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Contents PlayStation (console) The PlayStation[a] (codenamed PSX, abbreviated as PS, and retroactively PS1 or PS one) is a home video game console developed and marketed by Sony Computer Entertainment. It was released in Japan on 3 December 1994, followed by North America on 9 September 1995, Europe on 29 September 1995, and other regions following thereafter. As a fifth-generation console, the PlayStation primarily competed with the Nintendo 64 and the Sega Saturn. Sony began developing the PlayStation after a failed venture with Nintendo to create a CD-ROM peripheral for the Super Nintendo Entertainment System in the early 1990s. The console was primarily designed by Ken Kutaragi and Sony Computer Entertainment in Japan, while additional development was outsourced in the United Kingdom. An emphasis on 3D polygon graphics was placed at the forefront of the console's design. PlayStation game production was designed to be streamlined and inclusive, enticing the support of many third party developers. The console proved popular for its extensive game library, popular franchises, low retail price, and aggressive youth marketing which advertised it as the preferable console for adolescents and adults. Critically acclaimed games that defined the console include Gran Turismo, Crash Bandicoot, Spyro the Dragon, Tomb Raider, Resident Evil, Metal Gear Solid, Tekken 3, and Final Fantasy VII. Sony ceased production of the PlayStation on 23 March 2006—over eleven years after it had been released, and in the same year the PlayStation 3 debuted. More than 4,000 PlayStation games were released, with cumulative sales of 962 million units. The PlayStation signaled Sony's rise to power in the video game industry. It received acclaim and sold strongly; in less than a decade, it became the first computer entertainment platform to ship over 100 million units. Its use of compact discs heralded the game industry's transition from cartridges. The PlayStation's success led to a line of successors, beginning with the PlayStation 2 in 2000. In the same year, Sony released a smaller and cheaper model, the PS one. History The PlayStation was conceived by Ken Kutaragi, a Sony executive who managed a hardware engineering division and was later dubbed "the Father of the PlayStation". Kutaragi's interest in working with video games stemmed from seeing his daughter play games on Nintendo's Famicom. Kutaragi convinced Nintendo to use his SPC-700 sound processor in the Super Nintendo Entertainment System (SNES) through a demonstration of the processor's capabilities. His willingness to work with Nintendo was derived from both his admiration of the Famicom and conviction in video game consoles becoming the main home-use entertainment systems. Although Kutaragi was nearly fired because he worked with Nintendo without Sony's knowledge, president Norio Ohga recognised the potential in Kutaragi's chip and decided to keep him as a protégé. The inception of the PlayStation dates back to a 1988 joint venture between Nintendo and Sony. Nintendo had produced floppy disk technology to complement cartridges in the form of the Family Computer Disk System, and wanted to continue this complementary storage strategy for the SNES. Since Sony was already contracted to produce the SPC-700 sound processor for the SNES, Nintendo contracted Sony to develop a CD-ROM add-on, tentatively titled the "Play Station" or "SNES-CD". The PlayStation name had already been trademarked by Yamaha, but Nobuyuki Idei liked it so much that he agreed to acquire it for an undisclosed sum rather than search for an alternative. Sony was keen to obtain a foothold in the rapidly expanding video game market. Having been the primary manufacturer of the MSX home computer format, Sony had wanted to use their experience in consumer electronics to produce their own video game hardware. Although the initial agreement between Nintendo and Sony was about producing a CD-ROM drive add-on, Sony had also planned to develop a SNES-compatible Sony-branded console. This iteration was intended to be more of a home entertainment system, playing both SNES cartridges and a new CD format named the "Super Disc", which Sony would design. Under the agreement, Sony would retain sole international rights to every Super Disc game, giving them a large degree of control despite Nintendo's leading position in the video game market. Furthermore, Sony would also be the sole benefactor of licensing related to music and film software that it had been aggressively pursuing as a secondary application. The Play Station was to be announced at the 1991 Consumer Electronics Show (CES) in Las Vegas. However, Nintendo president Hiroshi Yamauchi was wary of Sony's increasing leverage at this point and deemed the original 1988 contract unacceptable upon realising it essentially handed Sony control over all games written on the SNES CD-ROM format. Although Nintendo was dominant in the video game market, Sony possessed a superior research and development department. Wanting to protect Nintendo's existing licensing structure, Yamauchi cancelled all plans for the joint Nintendo–Sony SNES CD attachment without telling Sony. He sent Nintendo of America president Minoru Arakawa (his son-in-law) and chairman Howard Lincoln to Amsterdam to form a more favourable contract with Dutch conglomerate Philips, Sony's rival. This contract would give Nintendo total control over their licences on all Philips-produced machines. Kutaragi and Nobuyuki Idei, Sony's director of public relations at the time, learned of Nintendo's actions two days before the CES was due to begin. Kutaragi telephoned numerous contacts, including Philips, to no avail. On the first day of the CES, Sony announced their partnership with Nintendo and their new console, the Play Station. At 9 am on the next day, in what has been called "the greatest ever betrayal" in the industry, Howard Lincoln stepped onto the stage and revealed that Nintendo was now allied with Philips and would abandon their work with Sony. Incensed by Nintendo's renouncement, Ohga and Kutaragi decided that Sony would develop their own console. Nintendo's contract-breaking was met with consternation in the Japanese business community, as they had broken an "unwritten law" of native companies not turning against each other in favour of foreign ones. Sony's American branch considered allying with Sega to produce a CD-ROM-based machine called the Sega Multimedia Entertainment System, but the Sega board of directors in Tokyo vetoed the idea when Sega of America CEO Tom Kalinske presented them the proposal. Kalinske recalled them saying: "That's a stupid idea, Sony doesn't know how to make hardware. They don't know how to make software either. Why would we want to do this?" Sony halted their research, but decided to develop what it had developed with Nintendo and Sega into a console based on the SNES. Despite the tumultuous events at the 1991 CES, negotiations between Nintendo and Sony were still ongoing. A deal was proposed: the Play Station would still have a port for SNES games, on the condition that it would still use Kutaragi's audio chip and that Nintendo would own the rights and receive the bulk of the profits. Roughly two hundred prototype machines were created, and some software entered development. Many within Sony were still opposed to their involvement in the video game industry, with some resenting Kutaragi for jeopardising the company. Kutaragi remained adamant that Sony not retreat from the growing industry and that a deal with Nintendo would never work. Knowing that they had to take decisive action, Sony severed all ties with Nintendo on 4 May 1992. To determine the fate of the PlayStation project, Ohga chaired a meeting in June 1992, consisting of Kutaragi and several senior Sony board members. Kutaragi unveiled a proprietary CD-ROM-based system he had been secretly working on which played games with immersive 3D graphics. Kutaragi was confident that his LSI chip could accommodate one million logic gates, which exceeded the capabilities of Sony's semiconductor division at the time. Despite gaining Ohga's enthusiasm, there remained opposition from a majority present at the meeting. Older Sony executives also opposed it, who saw Nintendo and Sega as "toy" manufacturers. The opposers felt the game industry was too culturally offbeat and asserted that Sony should remain a central player in the audiovisual industry, where companies were familiar with one another and could conduct "civili[s]ed" business negotiations. After Kutaragi reminded him of the humiliation he suffered from Nintendo, Ohga retained the project and became one of Kutaragi's most staunch supporters. Ohga shifted Kutaragi and nine of his team from Sony's main headquarters to Sony Music Entertainment Japan (SMEJ), a subsidiary of the main Sony group, so as to retain the project and maintain relationships with Philips for the MMCD development project. The involvement of SMEJ proved crucial to the PlayStation's early development as the process of manufacturing games on CD-ROM format was similar to that used for audio CDs, with which Sony's music division had considerable experience. While at SMEJ, Kutaragi worked with Epic/Sony Records founder Shigeo Maruyama and Akira Sato; both later became vice-presidents of the division that ran the PlayStation business. Sony Computer Entertainment (SCE) was jointly established by Sony and SMEJ to handle the company's ventures into the video game industry. On 27 October 1993, Sony publicly announced that it was entering the game console market with the PlayStation. According to Maruyama, there was uncertainty over whether the console should primarily focus on 2D, sprite-based graphics or 3D polygon graphics. After Sony witnessed the success of Sega's Virtua Fighter (1993) in Japanese arcades, the direction of the PlayStation became "instantly clear" and 3D polygon graphics became the console's primary focus. SCE president Teruhisa Tokunaka expressed gratitude for Sega's timely release of Virtua Fighter as it proved "just at the right time" that making games with 3D imagery was possible. Maruyama claimed that Sony further wanted to emphasise the new console's ability to utilise redbook audio from the CD-ROM format in its games alongside high quality visuals and gameplay. Wishing to distance the project from the failed enterprise with Nintendo, Sony initially branded the PlayStation the "PlayStation X" (PSX). Sony formed their European division and North American division, known as Sony Computer Entertainment Europe (SCEE) and Sony Computer Entertainment America (SCEA), in January and May 1995. The divisions planned to market the new console under the alternative branding "PSX" following the negative feedback regarding "PlayStation" in focus group studies. Early advertising prior to the console's launch in North America referenced PSX, but the term was scrapped before launch. The console was not marketed with Sony's name in contrast to Nintendo's consoles. According to Phil Harrison, much of Sony's upper management feared that the Sony brand would be tarnished if associated with the console, which they considered a "toy". Since Sony had no experience in game development, it had to rely on the support of third-party game developers. This was in contrast to Sega and Nintendo, which had versatile and well-equipped in-house software divisions for their arcade games and could easily port successful games to their home consoles. Recent consoles like the Atari Jaguar and 3DO suffered low sales due to a lack of developer support, prompting Sony to redouble their efforts in gaining the endorsement of arcade-savvy developers. A team from Epic Sony visited more than a hundred companies throughout Japan in May 1993 in hopes of attracting game creators with the PlayStation's technological appeal. Sony found that many disliked Nintendo's practices, such as favouring their own games over others. Through a series of negotiations, Sony acquired initial support from Namco, Konami, and Williams Entertainment, as well as 250 other development teams in Japan alone. Namco in particular was interested in developing for PlayStation since Namco rivalled Sega in the arcade market. Attaining these companies secured influential games such as Ridge Racer (1993) and Mortal Kombat 3 (1995), Ridge Racer being one of the most popular arcade games at the time, and it was already confirmed behind closed doors that it would be the PlayStation's first game by December 1993, despite Namco being a longstanding Nintendo developer. Namco's research managing director Shegeichi Nakamura met with Kutaragi in 1993 to discuss the preliminary PlayStation specifications, with Namco subsequently basing the Namco System 11 arcade board on PlayStation hardware and developing Tekken to compete with Virtua Fighter. The System 11 launched in arcades several months before the PlayStation's release, with the arcade release of Tekken in September 1994. Despite securing the support of various Japanese studios, Sony had no developers of their own by the time the PlayStation was in development. This changed in 1993 when Sony acquired the Liverpudlian company Psygnosis (later renamed SCE Liverpool) for US$48 million, securing their first in-house development team. The acquisition meant that Sony could have more launch games ready for the PlayStation's release in Europe and North America. Ian Hetherington, Psygnosis' co-founder, was disappointed after receiving early builds of the PlayStation and recalled that the console "was not fit for purpose" until his team got involved with it. Hetherington frequently clashed with Sony executives over broader ideas; at one point it was suggested that a television with a built-in PlayStation be produced. In the months leading up to the PlayStation's launch, Psygnosis had around 500 full-time staff working on games and assisting with software development. The purchase of Psygnosis marked another turning point for the PlayStation as it played a vital role in creating the console's development kits. While Sony had provided MIPS R4000-based Sony NEWS workstations for PlayStation development, Psygnosis employees disliked the thought of developing on these expensive workstations and asked Bristol-based SN Systems to create an alternative PC-based development system. Andy Beveridge and Martin Day, owners of SN Systems, had previously supplied development hardware for other consoles such as the Mega Drive, Atari ST, and the SNES. When Psygnosis arranged an audience for SN Systems with Sony's Japanese executives at the January 1994 CES in Las Vegas, Beveridge and Day presented their prototype of the condensed development kit, which could run on an ordinary personal computer with two extension boards. Impressed, Sony decided to abandon their plans for a workstation-based development system in favour of SN Systems's, thus securing a cheaper and more efficient method for designing software. An order of over 600 systems followed, and SN Systems supplied Sony with additional software such as an assembler, linker, and a debugger. SN Systems produced development kits for future PlayStation systems, including the PlayStation 2 and was bought out by Sony in 2005. Sony strived to make game production as streamlined and inclusive as possible, in contrast to the relatively isolated approach of Sega and Nintendo. Phil Harrison, representative director of SCEE, believed that Sony's emphasis on developer assistance reduced most time-consuming aspects of development. As well as providing programming libraries, SCE headquarters in London, California, and Tokyo housed technical support teams that could work closely with third-party developers if needed. Sony did not favour their own over non-Sony products, unlike Nintendo; Peter Molyneux of Bullfrog Productions admired Sony's open-handed approach to software developers and lauded their decision to use PCs as a development platform, remarking that "[it was] like being released from jail in terms of the freedom you have". Another strategy that helped attract software developers was the PlayStation's use of the CD-ROM format instead of traditional cartridges. Nintendo cartridges were expensive to manufacture, and the company controlled all production, prioritising their own games, while inexpensive compact disc manufacturing occurred at dozens of locations around the world. The PlayStation's architecture and interconnectability with PCs was beneficial to many software developers. The use of the programming language C proved useful, as it safeguarded future compatibility of the machine should developers decide to make further hardware revisions. Despite the inherent flexibility, some developers found themselves restricted due to the console's lack of RAM. While working on beta builds of the PlayStation, Molyneux observed that its MIPS processor was not "quite as bullish" compared to that of a fast PC and said that it took his team two weeks to port their PC code to the PlayStation development kits and another fortnight to achieve a four-fold speed increase. An engineer from Ocean Software, one of Europe's largest game developers at the time, thought that allocating RAM was a challenging aspect given the 3.5 megabyte restriction. Kutaragi said that while it would have been easy to double the amount of RAM for the PlayStation, the development team refrained from doing so to keep the retail cost down. Kutaragi saw the biggest challenge in developing the system to be balancing the conflicting goals of high performance, low cost, and being easy to program for, and felt he and his team were successful in this regard. Its technical specifications were finalised in 1993 and its design during 1994. The PlayStation name and its final design were confirmed during a press conference on May 10, 1994, although the price and release dates had not been disclosed yet. Sony released the PlayStation in Japan on 3 December 1994, a week after the release of the Sega Saturn, at a price of ¥39,800. Sales in Japan began with a "stunning" success with long queues in shops. Ohga later recalled that he realised how important PlayStation had become for Sony when friends and relatives begged for consoles for their children. PlayStation sold 100,000 units on the first day and two million units within six months, although the Saturn outsold the PlayStation in the first few weeks due to the success of Virtua Fighter. By the end of 1994, 300,000 PlayStation units were sold in Japan compared to 500,000 Saturn units. A grey market emerged for PlayStations shipped from Japan to North America and Europe, with buyers of such consoles paying up to £700. "When September 1995 arrived and Sony's Playstation roared out of the gate, things immediately felt different than [sic] they did with the Saturn launch earlier that year. Sega dropped the Saturn $100 to match the Playstation's $299 debut price, but sales weren't even close—Playstations flew out the door as fast as we could get them in stock. Before the release in North America, Sega and Sony presented their consoles at the first Electronic Entertainment Expo (E3) in Los Angeles on 11 May 1995. At their keynote presentation, Sega of America CEO Tom Kalinske revealed that their Saturn console would be released immediately to select retailers at a price of $399. Next came Sony's turn: Olaf Olafsson, the head of SCEA, summoned Steve Race, the head of development, to the conference stage, who said "$299" and left the audience with a round of applause. The attention to the Sony conference was further bolstered by the surprise appearance of Michael Jackson and the showcase of highly anticipated games, including Wipeout (1995), Ridge Racer and Tekken (1994). In addition, Sony announced that no games would be bundled with the console. Although the Saturn had released early in the United States to gain an advantage over the PlayStation, the surprise launch upset many retailers who were not informed in time, harming sales. Some retailers such as KB Toys responded by dropping the Saturn entirely. The PlayStation went on sale in North America on 9 September 1995. It sold more units within two days than the Saturn had in five months, with almost all of the initial shipment of 100,000 units sold in advance and shops across the country running out of consoles and accessories. The well-received Ridge Racer contributed to the PlayStation's early success, — with some critics considering it superior to Sega's arcade counterpart Daytona USA (1994) — as did Battle Arena Toshinden (1995). There were over 100,000 pre-orders placed and 17 games available on the market by the time of the PlayStation's American launch, in comparison to the Saturn's six launch games. The PlayStation released in Europe on 29 September 1995 and in Australia on 15 November 1995. By November it had already outsold the Saturn by three to one in the United Kingdom, where Sony had allocated a £20 million marketing budget during the Christmas season compared to Sega's £4 million. Sony found early success in the United Kingdom by securing listings with independent shop owners as well as prominent High Street chains such as Comet and Argos. Within its first year, the PlayStation secured over 20% of the entire American video game market. From September to the end of 1995, sales in the United States amounted to 800,000 units, giving the PlayStation a commanding lead over the other fifth-generation consoles,[b] though the SNES and Mega Drive from the fourth generation still outsold it. Sony reported that the attach rate of sold games and consoles was four to one. To meet increasing demand, Sony chartered jumbo jets and ramped up production in Europe and North America. By early 1996, the PlayStation had grossed $2 billion (equivalent to $4.106 billion 2025) from worldwide hardware and software sales. By late 1996, sales in Europe totalled 2.2 million units, including 700,000 in the UK. Approximately 400 PlayStation games were in development, compared to around 200 games being developed for the Saturn and 60 for the Nintendo 64. In India, the PlayStation was launched in test market during 1999–2000 across Sony showrooms, selling 100 units. Sony finally launched the console (PS One model) countrywide on 24 January 2002 with the price of Rs 7,990 and 26 games available from start. PlayStation was also doing well in markets where it was never officially released. For example, in Brazil, due to the registration of the trademark by a third company, the console could not be released, which was why the market was taken over by the officially distributed Sega Saturn during the first period, but as the Sega console withdraws, PlayStation imports and large piracy increased. In another market, China, the most popular 32-bit console was Sega Saturn, but after leaving the market, PlayStation grown with a base of 300,000 users until January 2000, although Sony China did not have plans to release it. The PlayStation was backed by a successful marketing campaign, allowing Sony to gain an early foothold in Europe and North America. Initially, PlayStation demographics were skewed towards adults, but the audience broadened after the first price drop. While the Saturn was positioned towards 18- to 34-year-olds, the PlayStation was initially marketed exclusively towards teenagers. Executives from both Sony and Sega reasoned that because younger players typically looked up to older, more experienced players, advertising targeted at teens and adults would draw them in too. Additionally, Sony found that adults reacted best to advertising aimed at teenagers; Lee Clow surmised that people who started to grow into adulthood regressed and became "17 again" when they played video games. The console was marketed with advertising slogans stylised as "LIVE IN YUR WRLD. PLY IN URS" (Live in Your World. Play in Ours.) and "U R NOT E" (red E). The four geometric shapes were derived from the symbols for the four buttons on the controller. Clow thought that by invoking such provocative statements, gamers would respond to the contrary and say "'Bullshit. Let me show you how ready I am.'" As the console's appeal enlarged, Sony's marketing efforts broadened from their earlier focus on mature players to specifically target younger children as well. Shortly after the PlayStation's release in Europe, Sony tasked marketing manager Geoff Glendenning with assessing the desires of a new target audience. Sceptical over Nintendo and Sega's reliance on television campaigns, Glendenning theorised that young adults transitioning from fourth-generation consoles would feel neglected by marketing directed at children and teenagers. Recognising the influence early 1990s underground clubbing and rave culture had on young people, especially in the United Kingdom, Glendenning felt that the culture had become mainstream enough to help cultivate PlayStation's emerging identity. Sony partnered with prominent nightclub owners such as Ministry of Sound and festival promoters to organise dedicated PlayStation areas where demonstrations of select games could be tested. Sheffield-based graphic design studio The Designers Republic was contracted by Sony to produce promotional materials aimed at a fashionable, club-going audience. Psygnosis' Wipeout in particular became associated with nightclub culture as it was widely featured in venues. By 1997, there were 52 nightclubs in the United Kingdom with dedicated PlayStation rooms. Glendenning recalled that he had discreetly used at least £100,000 a year in slush fund money to invest in impromptu marketing. In 1996, Sony expanded their CD production facilities in the United States due to the high demand for PlayStation games, increasing their monthly output from 4 million discs to 6.5 million discs. This was necessary because PlayStation sales were running at twice the rate of Saturn sales, and its lead dramatically increased when both consoles dropped in price to $199 that year. The PlayStation also outsold the Saturn at a similar ratio in Europe during 1996, with 2.2 million consoles sold in the region by the end of the year. Sales figures for PlayStation hardware and software only increased following the launch of the Nintendo 64. Tokunaka speculated that the Nintendo 64 launch had actually helped PlayStation sales by raising public awareness of the gaming market through Nintendo's added marketing efforts. Despite this, the PlayStation took longer to achieve dominance in Japan. Tokunaka said that, even after the PlayStation and Saturn had been on the market for nearly two years, the competition between them was still "very close", and neither console had led in sales for any meaningful length of time. By 1998, Sega, encouraged by their declining market share and significant financial losses, launched the Dreamcast as a last-ditch attempt to stay in the industry. Although its launch was successful, the technically superior 128-bit console was unable to subdue Sony's dominance in the industry. Sony still held 60% of the overall video game market share in North America at the end of 1999. Sega's initial confidence in their new console was undermined when Japanese sales were lower than expected, with disgruntled Japanese consumers reportedly returning their Dreamcasts in exchange for PlayStation software. On 2 March 1999, Sony officially revealed details of the PlayStation 2, which Kutaragi announced would feature a graphics processor designed to push more raw polygons than any console in history, effectively rivalling most supercomputers. The PlayStation continued to sell strongly at the turn of the new millennium: in June 2000, Sony released the PSOne, a smaller, redesigned variant which went on to outsell all other consoles in that year, including the PlayStation 2. In 2005, PlayStation became the first console to ship 100 million units with the PlayStation 2 later achieving this faster than its predecessor. The combined successes of both PlayStation consoles led to Sega retiring the Dreamcast in 2001, and abandoning the console business entirely. The PlayStation was eventually discontinued on 23 March 2006—over eleven years after its release, and less than a year before the debut of the PlayStation 3. Hardware The main microprocessor is a R3000 CPU made by LSI Logic operating at a clock rate of 33.8688 MHz and 30 MIPS. This 32-bit CPU relies heavily on the "cop2" 3D and matrix math coprocessor on the same die to provide the necessary speed to render complex 3D graphics. The role of the separate GPU chip is to draw 2D polygons and apply shading and textures to them: the rasterisation stage of the graphics pipeline. Sony's custom 16-bit sound chip supports ADPCM sources with up to 24 sound channels and offers a sampling rate of up to 44.1 kHz and music sequencing. It features 2 MB of main RAM, with an additional 1 MB of video RAM. The PlayStation has a maximum colour depth of 16.7 million true colours with 32 levels of transparency and unlimited colour look-up tables. The PlayStation can output composite, S-Video or RGB video signals through its AV Multi connector (with older models also having RCA connectors for composite), displaying resolutions from 256×224 to 640×480 pixels. Different games can use different resolutions. Earlier models also had proprietary parallel and serial ports that could be used to connect accessories or multiple consoles together; these were later removed due to a lack of usage. The PlayStation uses a proprietary video compression unit, MDEC, which is integrated into the CPU and allows for the presentation of full motion video at a higher quality than other consoles of its generation. Unusual for the time, the PlayStation lacks a dedicated 2D graphics processor; 2D elements are instead calculated as polygons by the Geometry Transfer Engine (GTE) so that they can be processed and displayed on screen by the GPU. While running, the GPU can also generate a total of 4,000 sprites and 180,000 polygons per second, in addition to 360,000 per second flat-shaded. The PlayStation went through a number of variants during its production run. Externally, the most notable change was the gradual reduction in the number of external connectors from the rear of the unit. This started with the original Japanese launch units; the SCPH-1000, released on 3 December 1994, was the only model that had an S-Video port, as it was removed from the next model. Subsequent models saw a reduction in number of parallel ports, with the final version only retaining one serial port. Sony marketed a development kit for amateur developers known as the Net Yaroze (meaning "Let's do it together" in Japanese). It was launched in June 1996 in Japan, and following public interest, was released the next year in other countries. The Net Yaroze allowed hobbyists to create their own games and upload them via an online forum run by Sony. The console was only available to buy through an ordering service and with the necessary documentation and software to program PlayStation games and applications through C programming compilers. On 7 July 2000, Sony released the PS One (stylised as "PS one" or "PSone"), a smaller, redesigned version of the original PlayStation. It was the highest-selling console through the end of the year, outselling all other consoles—including the PlayStation 2. In 2002, Sony released a 5-inch (130 mm) LCD screen add-on for the PS One, referred to as the "Combo pack". It also included a car cigarette lighter adaptor adding an extra layer of portability. Production of the LCD "Combo Pack" ceased in 2004, when the popularity of the PlayStation began to wane in markets outside Japan. A total of 28.15 million PS One units had been sold by the time it was discontinued in March 2006. Three iterations of the PlayStation's controller were released over the console's lifespan. The first controller, the PlayStation controller, was released alongside the PlayStation in December 1994. It features four individual directional buttons (as opposed to a conventional D-pad), a pair of shoulder buttons on both sides, Start and Select buttons in the centre, and four face buttons consisting of simple geometric shapes: a green triangle, red circle, blue cross, and a pink square (, , , ). Rather than depicting traditionally used letters or numbers onto its buttons, the PlayStation controller established a trademark which would be incorporated heavily into the PlayStation brand. Teiyu Goto, the designer of the original PlayStation controller, said that the circle and cross represent "yes" and "no", respectively (though this layout is reversed in Western versions); the triangle symbolises a point of view and the square is equated to a sheet of paper to be used to access menus. The European and North American models of the original PlayStation controllers are roughly 10% larger than its Japanese variant, to account for the fact the average person in those regions has larger hands than the average Japanese person. Sony's first analogue gamepad, the PlayStation Analog Joystick (often erroneously referred to as the "Sony Flightstick"), was first released in Japan in April 1996. Featuring two parallel joysticks, it uses potentiometer technology previously used on consoles such as the Vectrex; instead of relying on binary eight-way switches, the controller detects minute angular changes through the entire range of motion. The stick also features a thumb-operated digital hat switch on the right joystick, corresponding to the traditional D-pad, and used for instances when simple digital movements were necessary. The Analog Joystick sold poorly in Japan due to its high cost and cumbersome size. The increasing popularity of 3D games prompted Sony to add analogue sticks to its controller design to give users more freedom over their movements in virtual 3D environments. The first official analogue controller, the Dual Analog Controller, was revealed to the public in a small glass booth at the 1996 PlayStation Expo in Japan, and released in April 1997 to coincide with the Japanese releases of analogue-capable games Tobal 2 and Bushido Blade. In addition to the two analogue sticks (which also introduced two new buttons mapped to clicking in the analogue sticks), the Dual Analog controller features an "Analog" button and LED beneath the "Start" and "Select" buttons which toggles analogue functionality on or off. The controller also features rumble support, though Sony decided that haptic feedback would be removed from all overseas iterations before the United States release. A Sony spokesman stated that the feature was removed for "manufacturing reasons", although rumours circulated that Nintendo had attempted to legally block the release of the controller outside Japan due to similarities with the Nintendo 64 controller's Rumble Pak. However, a Nintendo spokesman denied that Nintendo took legal action. Next Generation's Chris Charla theorised that Sony dropped vibration feedback to keep the price of the controller down. In November 1997, Sony introduced the DualShock controller. Its name derives from its use of two (dual) vibration motors (shock). Unlike its predecessor, its analogue sticks feature textured rubber grips, longer handles, slightly different shoulder buttons and has rumble feedback included as standard on all versions. The DualShock later replaced its predecessors as the default controller. Sony released a series of peripherals to add extra layers of functionality to the PlayStation. Such peripherals include memory cards, the PlayStation Mouse, the PlayStation Link Cable, the Multiplayer Adapter (a four-player multitap), the Memory Drive (a disk drive for 3.5-inch floppy disks), the GunCon (a light gun), and the Glasstron (a monoscopic head-mounted display). Released exclusively in Japan, the PocketStation is a memory card peripheral which acts as a miniature personal digital assistant. The device features a monochrome liquid crystal display (LCD), infrared communication capability, a real-time clock, built-in flash memory, and sound capability. Sharing similarities with the Dreamcast's VMU peripheral, the PocketStation was typically distributed with certain PlayStation games, enhancing them with added features. The PocketStation proved popular in Japan, selling over five million units. Sony planned to release the peripheral outside Japan but the release was cancelled, despite receiving promotion in Europe and North America. In addition to playing games, most PlayStation models are equipped to play CD-Audio. The Asian model SCPH-5903 can also play Video CDs. Like most CD players, the PlayStation can play songs in a programmed order, shuffle the playback order of the disc and repeat one song or the entire disc. Later PlayStation models use a music visualisation function called SoundScope. This function, as well as a memory card manager, is accessed by starting the console without either inserting a game or closing the CD tray, thereby accessing a graphical user interface (GUI) for the PlayStation BIOS. The GUI for the PS One and PlayStation differ depending on the firmware version: the original PlayStation GUI had a dark blue background with rainbow graffiti used as buttons, while the early PAL PlayStation and PS One GUI had a grey blocked background with two icons in the middle. PlayStation emulation is versatile and can be run on numerous modern devices. Bleem! was a commercial emulator which was released for IBM-compatible PCs and the Dreamcast in 1999. It was notable for being aggressively marketed during the PlayStation's lifetime, and was the centre of multiple controversial lawsuits filed by Sony. Bleem! was programmed in assembly language, which allowed it to emulate PlayStation games with improved visual fidelity, enhanced resolutions, and filtered textures that was not possible on original hardware. Sony sued Bleem! two days after its release, citing copyright infringement and accusing the company of engaging in unfair competition and patent infringement by allowing use of PlayStation BIOSs on a Sega console. Bleem! were subsequently forced to shut down in November 2001. Sony was aware that using CDs for game distribution could have left games vulnerable to piracy, due to the growing popularity of CD-R and optical disc drives with burning capability. To preclude illegal copying, a proprietary process for PlayStation disc manufacturing was developed that, in conjunction with an augmented optical drive in Tiger H/E assembly, prevented burned copies of games from booting on an unmodified console. Specifically, all genuine PlayStation discs were printed with a small section of deliberate irregular data, which the PlayStation's optical pick-up was capable of detecting and decoding. Consoles would not boot game discs without a specific wobble frequency contained in the data of the disc pregap sector (the same system was also used to encode discs' regional lockouts). This signal was within Red Book CD tolerances, so PlayStation discs' actual content could still be read by a conventional disc drive; however, the disc drive could not detect the wobble frequency (therefore duplicating the discs omitting it), since the laser pick-up system of any optical disc drive would interpret this wobble as an oscillation of the disc surface and compensate for it in the reading process. Early PlayStations, particularly early 1000 models, experience skipping full-motion video or physical "ticking" noises from the unit. The problems stem from poorly placed vents leading to overheating in some environments, causing the plastic mouldings inside the console to warp slightly and create knock-on effects with the laser assembly. The solution is to sit the console on a surface which dissipates heat efficiently in a well vented area or raise the unit up slightly from its resting surface. Sony representatives also recommended unplugging the PlayStation when it is not in use, as the system draws in a small amount of power (and therefore heat) even when turned off. The first batch of PlayStations use a KSM-440AAM laser unit, whose case and movable parts are all built out of plastic. Over time, the plastic lens sled rail wears out—usually unevenly—due to friction. The placement of the laser unit close to the power supply accelerates wear, due to the additional heat, which makes the plastic more vulnerable to friction. Eventually, one side of the lens sled will become so worn that the laser can tilt, no longer pointing directly at the CD; after this, games will no longer load due to data read errors. Sony fixed the problem by making the sled out of die-cast metal and placing the laser unit further away from the power supply on later PlayStation models. Due to an engineering oversight, the PlayStation does not produce a proper signal on several older models of televisions, causing the display to flicker or bounce around the screen. Sony decided not to change the console design, since only a small percentage of PlayStation owners used such televisions, and instead gave consumers the option of sending their PlayStation unit to a Sony service centre to have an official modchip installed, allowing play on older televisions. Game library The PlayStation featured a diverse game library which grew to appeal to all types of players. Critically acclaimed PlayStation games included Final Fantasy VII (1997), Crash Bandicoot (1996), Spyro the Dragon (1998), Metal Gear Solid (1998), all of which became established franchises. Final Fantasy VII is credited with allowing role-playing games to gain mass-market appeal outside Japan, and is considered one of the most influential and greatest video games ever made. The PlayStation's bestselling game is Gran Turismo (1997), which sold 10.85 million units. After the PlayStation's discontinuation in 2006, the cumulative software shipment was 962 million units. Following its 1994 launch in Japan, early games included Ridge Racer, Crime Crackers, King's Field, Motor Toon Grand Prix, Toh Shin Den (i.e. Battle Arena Toshinden), and Kileak: The Blood. The first two games available at its later North American launch were Jumping Flash! (1995) and Ridge Racer, with Jumping Flash! heralded as an ancestor for 3D graphics in console gaming. Wipeout, Air Combat, Twisted Metal, Warhawk and Destruction Derby were among the popular first-year games, and the first to be reissued as part of Sony's Greatest Hits or Platinum range. At the time of the PlayStation's first Christmas season, Psygnosis had produced around 70% of its launch catalogue; their breakthrough racing game Wipeout was acclaimed for its techno soundtrack and helped raise awareness of Britain's underground music community. Eidos Interactive's action-adventure game Tomb Raider contributed substantially to the success of the console in 1996, with its main protagonist Lara Croft becoming an early gaming icon and garnering unprecedented media promotion. Licensed tie-in video games of popular films were also prevalent; Argonaut Games' 2001 adaptation of Harry Potter and the Philosopher's Stone went on to sell over eight million copies late in the console's lifespan. Third-party developers committed largely to the console's wide-ranging game catalogue even after the launch of the PlayStation 2; some of the notable exclusives in this era include Harry Potter and the Philosopher's Stone, Fear Effect 2: Retro Helix, Syphon Filter 3, C-12: Final Resistance, Dance Dance Revolution Konamix and Digimon World 3.[c] Sony assisted with game reprints as late as 2008 with Metal Gear Solid: The Essential Collection, this being the last PlayStation game officially released and licensed by Sony. Initially, in the United States, PlayStation games were packaged in long cardboard boxes, similar to non-Japanese 3DO and Saturn games. Sony later switched to the jewel case format typically used for audio CDs and Japanese video games, as this format took up less retailer shelf space (which was at a premium due to the large number of PlayStation games being released), and focus testing showed that most consumers preferred this format. Reception The PlayStation was mostly well received upon release. Critics in the west generally welcomed the new console; the staff of Next Generation reviewed the PlayStation a few weeks after its North American launch, where they commented that, while the CPU is "fairly average", the supplementary custom hardware, such as the GPU and sound processor, is stunningly powerful. They praised the PlayStation's focus on 3D, and complemented the comfort of its controller and the convenience of its memory cards. Giving the system 41⁄2 out of 5 stars, they concluded, "To succeed in this extremely cut-throat market, you need a combination of great hardware, great games, and great marketing. Whether by skill, luck, or just deep pockets, Sony has scored three out of three in the first salvo of this war." Albert Kim from Entertainment Weekly praised the PlayStation as a technological marvel, rivalling that of Sega and Nintendo. Famicom Tsūshin scored the console a 19 out of 40, lower than the Saturn's 24 out of 40, in May 1995. In a 1997 year-end review, a team of five Electronic Gaming Monthly editors gave the PlayStation scores of 9.5, 8.5, 9.0, 9.0, and 9.5—for all five editors, the highest score they gave to any of the five consoles reviewed in the issue. They lauded the breadth and quality of the games library, saying it had vastly improved over previous years due to developers mastering the system's capabilities in addition to Sony revising their stance on 2D and role playing games. They also complimented the low price point of the games compared to the Nintendo 64's, and noted that it was the only console on the market that could be relied upon to deliver a solid stream of games for the coming year, primarily due to third party developers almost unanimously favouring it over its competitors. Legacy SCE was an upstart in the video game industry in late 1994, as the video game market in the early 1990s was dominated by Nintendo and Sega. Nintendo had been the clear leader in the industry since the introduction of the Nintendo Entertainment System in 1985 and the Nintendo 64 was initially expected to maintain this position. The PlayStation's target audience included the generation which was the first to grow up with mainstream video games, along with 18- to 29-year-olds who were not the primary focus of Nintendo. By the late 1990s, Sony became a highly regarded console brand due to the PlayStation, with a significant lead over second-place Nintendo, while Sega was relegated to a distant third. The PlayStation became the first "computer entertainment platform" to ship over 100 million units worldwide, with many critics attributing the console's success to third-party developers. It remains the sixth best-selling console of all time as of 2025[update], with a total of 102.49 million units sold. Around 7,900 individual games were published for the console during its 11-year life span, the second-most games ever produced for a console. Its success resulted in a significant financial boon for Sony as profits from their video game division contributed to 23%. Sony's next-generation PlayStation 2, which is backward compatible with the PlayStation's DualShock controller and games, was announced in 1999 and launched in 2000. The PlayStation's lead in installed base and developer support paved the way for the success of its successor, which overcame the earlier launch of the Sega's Dreamcast and then fended off competition from Microsoft's newcomer Xbox and Nintendo's GameCube. The PlayStation 2's immense success and failure of the Dreamcast were among the main factors which led to Sega abandoning the console market. To date, five PlayStation home consoles have been released, which have continued the same numbering scheme, as well as two portable systems. The PlayStation 3 also maintained backward compatibility with original PlayStation discs. Hundreds of PlayStation games have been digitally re-released on the PlayStation Portable, PlayStation 3, PlayStation Vita, PlayStation 4, and PlayStation 5. The PlayStation has often ranked among the best video game consoles. In 2018, Retro Gamer named it the third best console, crediting its sophisticated 3D capabilities as one of its key factors in gaining mass success, and lauding it as a "game-changer in every sense possible". In 2009, IGN ranked the PlayStation the seventh best console in their list, noting its appeal towards older audiences to be a crucial factor in propelling the video game industry, as well as its assistance in transitioning game industry to use the CD-ROM format. Keith Stuart from The Guardian likewise named it as the seventh best console in 2020, declaring that its success was so profound it "ruled the 1990s". In January 2025, Lorentio Brodesco announced the nsOne project, attempting to reverse engineer PlayStation's motherboard. Brodesco stated that "detailed documentation on the original motherboard was either incomplete or entirely unavailable". The project was successfully crowdfunded via Kickstarter. In June, Brodesco manufactured the first working motherboard, promising to bring a fully rooted version with multilayer routing as well as documentation and design files in the near future. The success of the PlayStation contributed to the demise of cartridge-based home consoles. While not the first system to use an optical disc format, it was the first highly successful one, and ended up going head-to-head with the proprietary cartridge-relying Nintendo 64,[d] which the industry had expected to use CDs like PlayStation. After the demise of the Sega Saturn, Nintendo was left as Sony's main competitor in Western markets. Nintendo chose not to use CDs for the Nintendo 64; they were likely concerned with the proprietary cartridge format's ability to help enforce copy protection, given their substantial reliance on licensing and exclusive games for their revenue. Besides their larger capacity, CD-ROMs could be produced in bulk quantities at a much faster rate than ROM cartridges, a week compared to two to three months. Further, the cost of production per unit was far cheaper, allowing Sony to offer games about 40% lower cost to the user compared to ROM cartridges while still making the same amount of net revenue. In Japan, Sony published fewer copies of a wide variety of games for the PlayStation as a risk-limiting step, a model that had been used by Sony Music for CD audio discs. The production flexibility of CD-ROMs meant that Sony could produce larger volumes of popular games to get onto the market quickly, something that could not be done with cartridges due to their manufacturing lead time. The lower production costs of CD-ROMs also allowed publishers an additional source of profit: budget-priced reissues of games which had already recouped their development costs. Tokunaka remarked in 1996: Choosing CD-ROM is one of the most important decisions that we made. As I'm sure you understand, PlayStation could just as easily have worked with masked ROM [cartridges]. The 3D engine and everything—the whole PlayStation format—is independent of the media. But for various reasons (including the economies for the consumer, the ease of the manufacturing, inventory control for the trade, and also the software publishers) we deduced that CD-ROM would be the best media for PlayStation. The increasing complexity of developing games pushed cartridges to their storage limits and gradually discouraged some third-party developers. Part of the CD format's appeal to publishers was that they could be produced at a significantly lower cost and offered more production flexibility to meet demand. As a result, some third-party developers switched to the PlayStation, including Square and Enix, whose Final Fantasy VII and Dragon Quest VII respectively had been planned for the Nintendo 64 (both companies later merged to form Square Enix). Other developers released fewer games for the Nintendo 64 (Konami, releasing only thirteen N64 games but over fifty on the PlayStation). Nintendo 64 game releases were less frequent than the PlayStation's, with many being developed by either Nintendo themselves or second-parties such as Rare. The PlayStation Classic is a dedicated video game console made by Sony Interactive Entertainment that emulates PlayStation games. It was announced in September 2018 at the Tokyo Game Show, and released on 3 December 2018, the 24th anniversary of the release of the original console. As a dedicated console, the PlayStation Classic features 20 pre-installed games; the games run off the open source emulator PCSX. The console is bundled with two replica wired PlayStation controllers (those without analogue sticks), an HDMI cable, and a USB-Type A cable. Internally, the console uses a MediaTek MT8167a Quad A35 system on a chip with four central processing cores clocked at @ 1.5 GHz and a Power VR GE8300 graphics processing unit. It includes 16 GB of eMMC flash storage and 1 Gigabyte of DDR3 SDRAM. The PlayStation Classic is 45% smaller than the original console. The PlayStation Classic received negative reviews from critics and was compared unfavorably to Nintendo's rival Nintendo Entertainment System Classic Edition and Super Nintendo Entertainment System Classic Edition. Criticism was directed at its meagre game library, user interface, emulation quality, use of PAL versions for certain games, use of the original controller, and high retail price, though the console's design received praise. The console sold poorly. See also Notes References |
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[SOURCE: https://en.wikipedia.org/wiki/FriendFeed] | [TOKENS: 481] |
Contents FriendFeed FriendFeed was a real-time feed aggregator that consolidated updates from social media and social networking websites, social bookmarking websites, blogs and microblogging updates, as well as any type of RSS/Atom feed. It was created in 2007 by Bret Taylor, Jim Norris, Paul Buchheit and Sanjeev Singh. It was possible to use this stream of information to create customized feeds to share, as well as originate new posts-discussions, (and comment) with friends. Friendfeed was built on top of Tornado. The service was shut down at about 21:00 GMT on April 10, 2015, though the service blog announced it a month before. The goal of FriendFeed according to their website was to make content on the Web more relevant and useful by using existing social networks as a tool for discovering interesting information. Users could be an individual, business or organization. Bloggers writing about FriendFeed said that this service addresses the shortcomings of social media services which exclusively facilitate tracking of their own members' social media activities on that particular social media service, whereas FriendFeed provided the facility to track these activities (such as posting on blogs, Twitter, and Flickr) across a broad range of different social networks. Some bloggers had concerns about readers commenting on their posts on FriendFeed instead of on their blogs, resulting in fewer page views for the blogger. The founders were all former Google employees who were involved in the launch of services such as Gmail and Google Maps. They included Bret Taylor, Jim Norris, Sanjeev Singh and Paul Buchheit. Along with the latter two founders, venture capital agency Benchmark Capital was involved with the investment funding. FriendFeed was based in Mountain View, California, and had on average one million monthly visitors. Employees of FriendFeed created the Simple Update Protocol to reduce the load put on sites by aggregators such as theirs. On August 10, 2009, Facebook agreed to acquire FriendFeed. FriendFeed was bought for $15 million in cash, and $32.5 million in Facebook stock. Facebook, along with a small but active community of users, kept the service going until its pre-announced closure on April 9, 2015. Supported services A user could configure their FriendFeed account to aggregate content from the following services: Blogging Bookmarking Books News Photos Status Music Video Comments Miscellaneous References External links |
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[SOURCE: https://en.wikipedia.org/wiki/Category:Harv_and_Sfn_template_errors] | [TOKENS: 796] |
Contents Category:Harv and Sfn template errors This category holds articles that use any of the short-cite templates ({{harv}} and {{sfn}} template families, and {{harvc}}) where one or more of those short-cite templates do not properly link to a full citation, the target, or where multiple full cites can be the target of a single short-cite template. Due to technical limitations, Category:Harv and Sfn no-target errors contains many articles with false-positive errors. No-target error messages are hidden by default. Articles with multiple-target errors are listed in Category:Harv and Sfn multiple-target errors. Multiple-target errors are not susceptible to false-positive errors so those errors are not suppressed. Several options to view error messages are detailed below, as well as possible ways to resolve errors. Displaying error messages Currently, two user scripts relatively reliably detect errors as well as a third experimental method based on customizing a .css page. The three methods are Error messages If short-cite template error messages are enabled, editors can see these messages: Similar (although not identical) messages are emitted by the user scripts. See the script documentation. Resolving errors Ways of resolving legitimate no target errors include: Ways of resolving false positive no target errors include: Ways of resolving multiple targets errors include: No advice is given for resolving false-positive errors. Current limitations and false-positive errors When a short-cite template links to a full citation that is rendered by a template that wraps a CS1 template, like {{cite DNB}} (which wraps {{cite encyclopedia}}), a no target error may be displayed even when the short-cite template is valid and the link works. That is a "false positive" error. If you find what looks like a false positive error, please report it on the talk page for this category, and another editor will either fix the article or add the template in question to Module:Footnotes/whitelist. The short-cite templates employ an article reader to read the article's raw wikitext (the same text that you see in the source editor's edit window). While reading the wikitext, the article reader looks for a variety of templates that can create anchor IDs. For each such template found, the article reader attempts to extract the necessary information to determine the template's anchor ID, if it produces one. For cs1|2, the most common long-form citation templates, the article reader looks for: The article reader extracts similar information from other templates as appropriate for those templates. Each long-form citation anchor ID is saved in a list along with a tally indicating how many of that ID the article reader found. When the short-cite template renders its output, it looks for its target anchor ID in the anchor-ID list: The no target errors may be true errors or may be false-positive errors. For true errors, there is no anchor ID in the article to match the anchor ID expected by the short-cite template. A false-positive error occurs because the article reader can only read the article's raw wikitext, it cannot burrow into wrapper templates. Wrapper templates enclose the template that creates the anchor ID. This enclosure hides the necessary details, so the article reader cannot determine that wrapper template's anchor ID. For example, {{cite DNB}} is a wrapper template that encloses {{cite encyclopedia}}. The values assigned to the {{cite DNB}} parameters |year= and |supplement= tell {{Cite DNB}} how to set editor names and date in its call to the enclosed {{cite encyclopedia}}, which uses them to create the wrapper template's anchor ID. When a wrapped template creates a matching anchor ID that the article reader cannot see; the link from short-cite to long-form citation works but is marked with a no target false-positive error message. Subcategories This category has the following 2 subcategories, out of 2 total. |
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[SOURCE: https://en.wikipedia.org/wiki/Babylonian_Talmud] | [TOKENS: 12049] |
Contents Talmud The Talmud (/ˈtɑːlmʊd, -məd, ˈtæl-/; Hebrew: תַּלְמוּד, romanized: Talmūḏ, 'study' or 'learning') is the central text of Rabbinic Judaism and second in authority only to the Hebrew Bible (Tanakh), the first five books of which form the Torah. It is a primary source of Jewish law (הֲלָכָה, Halakha) and Jewish theology. It consists of the part of the Oral Torah compiled in the Mishnah and its commentaries, the Gemara. It records the teachings, opinions and disagreements of thousands of rabbis and Torah scholars—collectively referred to as Chazal—on a variety of subjects, including Halakha, Jewish ethics, philosophy, customs, history, and folklore among other topics. Until the Haskalah in the 18th and 19th centuries, the Talmud was the centerpiece of Jewish culture in nearly all communities and foundational to "all Jewish thought and aspirations", serving also as "the guide for the daily life" of Jews. "Talmud" is used interchangeably with "Gemara".[a] The text is made up of 63 tractates, each covering one subject area. The language of the Talmud is Jewish Babylonian Aramaic. Talmudic tradition emerged and was compiled between the destruction of the Second Temple in 70 CE and the Arab conquest in the early seventh century. Traditionally, it is thought that the Talmud itself was compiled by Rav Ashi and Ravina II around 500 CE, although it is more likely that this happened in the middle of the sixth century. The word "Talmud" commonly refers to the Babylonian Talmud (Talmud Bavli), not the earlier Jerusalem Talmud (Talmud Yerushalmi). The Babylonian Talmud is the more extensive of the two and is considered the more important. Etymology Talmud translates as "instruction, learning", from the Semitic root lmd, meaning "teach, study". The two Talmuds In antiquity, the two major centres of Jewish scholarship were the Talmudic academies in Syria Palaestina and Babylonia. A Talmud was compiled in each of these regional centres. The earlier of the two compilations took place in Galilee, either in the late fourth or early fifth century, and it came to be known as the Jerusalem Talmud (Jewish Palestinian Aramaic: תַּלְמוּד יְרוּשַׁלְמִי, romanized: Talmud Yerushalmi). Later, and likely some time in the sixth century, the Babylonian Talmud was compiled (Jewish Babylonian Aramaic: תַּלְמוּד בַּבְלִי, romanized: Talmud Bavli). The latter Talmud is usually what is meant when the word "Talmud" is used without qualification. Traditions of the Jerusalem Talmud and its sages had a significant influence on the milieu out of which the Babylonian Talmud arose. The Jerusalem Talmud is known by several other names, including the Palestinian Talmud (which is more accurate, given that it was not compiled in Jerusalem), and the Talmud of the Land of Israel (Talmuda de-Eretz Yisrael or Talmud Eretz Yisrael). The Jerusalem Talmud was a written codification of oral tradition that had been circulating for centuries, representing a compilation of the Palestinian rabbis' teachings about and textual analyses of the Mishnah (especially those concerning agricultural laws) found across regional centres of the Land of Israel in the Galilee (principally those of Tiberias, Sepphoris, and Caesarea). It is written largely in Jewish Palestinian Aramaic, a Western Aramaic language that differs from Jewish Babylonian Aramaic, its Babylonian counterpart. The compilation was likely made between the late fourth to the first half of the fifth century. Despite its incomplete state, the Jerusalem Talmud remains an indispensable source for the study of the development of Halakha in the Holy Land. It was also an important primary source for the study of the Babylonian Talmud by the Kairouan school of Chananel ben Chushiel and Nissim ben Jacob, with the result being that opinions ultimately based on the Jerusalem Talmud found their way into the Tosafot and the Mishneh Torah by Maimonides. Ethical maxims in the Jerusalem Talmud are scattered and interspersed throughout the legal discussions of the several treatises, many of which differ from those in the Babylonian Talmud. The Babylonian Talmud (Talmud Bavli) consists of documents compiled over the period of late antiquity (3rd to 6th centuries). During this period, the most important of the Mesopotamian Jewish centres of learning included the Talmudic academies in Babylonia, such as Nehardea, Nisibis (now Nusaybin), Mahoza (al-Mada'in, south of modern Baghdad), Pumbedita (near present-day al Anbar Governorate), and the Sura Academy, which was probably located about 60 km (37 mi) south of Baghdad. The Babylonian Talmud is the culmination of centuries of analysis and dialectic of the Mishnah and Hebrew Bible in the Talmudic academies in Babylonia. According to tradition, the foundations of this process of analysis were laid by Abba Arika (175–247), a disciple of Judah ha-Nasi. Tradition ascribes the compilation of the Babylonian Talmud in its present form to two Babylonian sages, Rav Ashi and Ravina II. Rav Ashi was the president of the Sura Academy from 375 to 427. At this time, he began compiling the Talmud, a written project passed on and completed by Ravina II, the final Amoraic expounder of the Oral Torah. Traditionally, the latest year for the compilation of the Talmud is typically placed at 475, the year Ravina II died. However, even among those who hold traditional views, a final redaction is still thought to have been made by the Savoraim (Jewish Babylonian Aramaic: סָבוֹרָאִים, lit. 'Reasoners') in the sixth century. Unlike the Western Aramaic dialect of the Jerusalem Talmud, the Babylonian Talmud uses a Babylonian Aramaic dialect. The Jerusalem is also more fragmentary (and difficult to read) due to an incomplete redaction process. Discussions in the Babylonian Talmud are more discursive, rambling, and rely more heavily on anecdote and argumentation by syllogism and Inductive reasoning; those in the Jerusalem Talmud are more factual and apply argumentation through logical deductive reasoning. The Babylonian Talmud is much longer, with about 2.5 million words in total. Proportionally more of the Babylonian material is non-halakhic Aggadah (אַגָּדָה, 'legend'), constituting a third of its material, compared to a sixth of the Jerusalem. The Babylonian Talmud has received significantly more interest and coverage from commentators. Maimonides drew influence from both Babylonian and Jerusalem Talmuds, although he favored the latter over the former when principles between them conflicted. As the Palestinian Jewish community declined in influence and the Babylonian community became the intellectual center of the Jewish diaspora, the Babylonian Talmud became the more widely accepted and popular version. Whereas the Jerusalem Talmud only includes the opinions of Palestinian rabbis (the Ma'arava), the Babylonian Talmud also includes Babylonian authorities (in addition to later authorities because of its later date). As such, it is regarded as more comprehensive. Neither Talmud covers the entire Mishnah. For example, the Babylonian commentary only covers 37 of 63 Mishnaic tractates. In particular: Structure The structure of the Talmud follows that of the Mishnah, divided into Six Orders (known as the Shisha Sedarim, or Shas) of general subject matter are divided into 63 tractates (masekhtot; singular: masekhet) of more focused subject compilations, though not all tractates have Gemara. Each tractate is divided into chapters (perakim; singular: perek), 517 in total, that are both numbered according to the Hebrew alphabet and given names, usually using the first one or two words in the first Mishnah. A perek may continue over several (up to tens of) pages. Each perek will contain several mishnayot. The Mishnah is a compilation of legal opinions and debates. Statements in the Mishnah are typically terse, recording brief opinions of the rabbis debating a subject; or recording only an unattributed ruling, apparently representing a consensus view. The rabbis recorded in the Mishnah are known as the Tannaim (literally, "repeaters", or "teachers"). These tannaim—rabbis of the second century CE—"who produced the Mishnah and other tannaic works, must be distinguished from the rabbis of the third to fifth centuries, known as amoraim (literally, "speakers"), who produced the two Talmudim and other amoraic works". Since it sequences its laws by subject matter instead of by biblical context, the Mishnah discusses individual subjects more thoroughly than the Midrash, and it includes a much broader selection of halakhic subjects than the Midrash. The Mishnah's topical organization thus became the framework of the Talmud as a whole. But not every tractate in the Mishnah has a corresponding Gemara. Also, the order of the tractates in the Talmud differs in some cases from that in the Mishnah. The Gemara is broadly speaking a commentary on the Mishnah. This commentary arises from a longstanding tradition of rabbis analyzing, debating, and discussing the Mishnah—shakla v'tarya—ever since it was compiled. The rabbis who participated in the process that produced this commentarial tradition are known as the Amoraim. Each discussion is presented in a self-contained, edited passage known as a sugya. Much of the Gemara is legal in nature. Each analysis begins with a Mishnaic legal statement. With each sugya, the statement may be analyzed and compared with other statements. This process can be framed as an exchange between two (often anonymous, possibly metaphorical) disputants, termed the makshan (questioner) and tartzan (answerer). Gemara also commonly tries to find the correct biblical basis for a given law in the Mishnah as well as the logical process that connects the biblical to the Mishnaic tradition. This process was known as talmud, long before the "Talmud" itself became a text. In addition, the Gemara contains a wide range of narratives, homiletical or exegetical passages, sayings, and other non-legal content, termed aggadah. A story told in a sugya of the Babylonian Talmud may draw upon the Mishnah, the Jerusalem Talmud, midrash, and other sources. The traditions that the Gemara comments on are not limited to what is found in the Mishnah, but the Baraita as well (a term that broadly designates Oral Torah traditions that did not end up in the Mishnah). The baraitot cited in the Gemara are often quotations from the Tosefta (a tannaitic compendium of halakha parallel to the Mishnah) and the Midrash halakha (specifically Mekhilta, Sifra and Sifre). Some baraitot, however, are known only through traditions cited in the Gemara, and are not part of any other collection. In addition to the Six Orders, the Talmud contains a series of short treatises of a later date, usually printed at the end of Seder Nezikin. These are not divided into Mishnah and Gemara. Language The work is largely in Jewish Babylonian Aramaic, although quotations in the Gemara of the Mishnah, the Baraitas and Tanakh appear in Mishnaic or Biblical Hebrew. Some other dialects of Aramaic occur in quotations of other older works, like the Megillat Taanit. The reason why earlier texts occur in Hebrew, and later texts in Aramaic, is because of the adoption of the latter (which was the spoken vernacular) by rabbinic circles during the period of the Amoraim (rabbis cited in the Gemara) beginning around the year 200. A second Aramaic dialect is used in Nedarim, Nazir, Temurah, Keritot, and Me'ilah; the second is closer in style to the Targum. Manuscripts The only complete manuscript of the Talmud, Munich Codex Hebraica 95, dates from 1342 (view scan). Other manuscripts of the Talmud include: Dating The Talmud itself (BM 86a) incorporates a statement that "Ravina and Rav Ashi were the end of instruction". Likewise, Sherira ben Hanina writes that "instruction ended" with the death of Ravina II in 811 SE (500 CE), and "the Talmud stopped with the end of instruction in the days of Rabbah Jose (fl. 476–514)". Seder Olam Zutta records that "in 811 SE (500 CE) Ravina the End of Instruction died, and the Talmud was stopped", and the same text is found in Codex Gaster 83. Another medieval chronicle records that "On Wednesday, 13 Kislev, 811 SE (500 CE), Ravina the End of Instruction son of Rav Huna died, and the Talmud stopped." Abraham ibn Daud gives 821 SE (510 CE) for the same event, and Joseph ibn Tzaddik writes that "Mareimar and Mar bar Rav Assi et al. completed the Babylonian Talmud ... in 4265 AM (505 CE)". Nachmanides dated the Talmud's compilation to "400 years after the Destruction", which is 470 CE if taken as exact. According to Moses da Rieti, "Ravina and Rav Ashi compiled the Talmud but they did not complete it, and Mar bar Rav Ashi and Mareimar et al. sealed it in the days of Rabbah Jose ... he headed the academy for 38 years after succeeding Ravina, until 4274 AM (514 CE), and in his days the Babylonian Talmud was sealed, which was begun and largely redacted in the days of Rav Ashi and Ravina". The Wikkuah, a description of the 1240 Disputation of Paris, records that Yechiel of Paris claimed that "the Talmud is 1,500 years old", which would put it in the 3rd century BCE. Pietro Capelli suggests that it must have been traditional among medieval Ashkenazic Jews to date the Talmud from its beginning instead of its completion. Later manuscripts of the Wikkuah adopt the usual system of dating it to the time of Ravina II. Nicholas Donin, by contrast, claimed that the Talmud was only composed "400 years" before, i.e. around 840 CE. A wide range of dates have been proposed for the Babylonian Talmud by historians. The text was most likely completed, however, in the 6th century, or prior to the early Muslim conquests in the mid-7th century at the latest, on the basis that the Talmud lacks loanwords or syntax deriving from Arabic. By comparison, Islamic-era rabbinic documents are heavily influenced by Arabic writing, convention, and loanwords, and rabbinic writings came to be exclusively written in Arabic by the 8th century. Recently,[when?] it has been extensively argued that Talmud is an expression and product of Sasanian culture, as well as other Greek-Roman, Middle Persian, and Syriac sources up to the same period of time. The contents of the text likely trace to this time regardless of the date of the final redaction/compilation. Additional external evidence for a latest possible date for the composition of the Babylonian Talmud are uses of it by external sources such as Letter of Baboi (c. 813) and chronicles like the Seder Tannaim veAmoraim (9th century) and the Iggeret of Rabbi Sherira Gaon (987). As for the earliest possible date of the Babylonian Talmud, it must post-date the early 5th century given its reliance on the Jerusalem Talmud. In Jewish scholarship From the time of its completion, the Talmud became integral to Jewish scholarship. A maxim in Pirkei Avot advocates its study from the age of 15. Rabbi Adin Steinsaltz writes that "If the Bible is the cornerstone of Judaism, then the Talmud is the central pillar ... No other work has had a comparable influence on the theory and practice of Jewish life, shaping influence on the theory and practice of Jewish life" and states: The Talmud is the repository of thousands of years of Jewish wisdom, and the oral law, which is as ancient and significant as the written law (the Torah) finds expression therein. It is a conglomerate of law, legend, and philosophy, a blend of unique logic and shrewd pragmatism, of history and science, anecdotes and humor ... Although its main objective is to interpret and comment on a book of law, it is, simultaneously, a work of art that goes beyond legislation and its practical application. And although the Talmud is, to this day, the primary source of Jewish law, it cannot be cited as an authority for purposes of ruling ... Though based on the principles of tradition and the transmission of authority from generation to generation, it is unparalleled in its eagerness to question and reexamine convention and accepted views and to root out underlying causes. The talmudic method of discussion and demonstration tries to approximate mathematical precision, but without having recourse to mathematical or logical symbols. ... the Talmud is the embodiment of the great concept of mitzvat talmud Torah – the positive religious duty of studying Torah, of acquiring learning and wisdom, study which is its own end and reward. The following subsections outline some of the major areas of Talmudic study. One area of Talmudic scholarship developed out of the need to ascertain the Halakha (Jewish rabbinical law). Early commentators such as Isaac Alfasi (North Africa, 1013–1103) attempted to extract and determine the binding legal opinions from the vast corpus of the Talmud. Alfasi's work was highly influential, attracted several commentaries in its own right and later served as a basis for the creation of halakhic codes. Another influential medieval Halakhic work following the order of the Babylonian Talmud, and to some extent modelled on Alfasi, was "the Mordechai", a compilation by Mordechai ben Hillel (c. 1250–1298). A third such work was that of Asher ben Yechiel (d. 1327). All these works and their commentaries are printed in the Vilna and many subsequent editions of the Talmud. A 15th-century Spanish rabbi, Jacob ibn Habib (d. 1516), compiled the Ein Yaakov, which extracts nearly all the Aggadic material from the Talmud. It was intended to familiarize the public with the ethical parts of the Talmud and to dispute many of the accusations surrounding its contents. Geonic-era (6th-11th centuries) commentaries have largely been lost, but are known to exist from partial quotations in later medieval and early modern texts. Because of this, it is known that now-lost commentaries on the Talmud were written by Paltoi Gaon, Sherira, Hai Gaon, and Saadya (though in this case, Saadiya is not likely to be the true author). Of these, the commentary of Paltoi ben Abaye (c. 840) is the earliest. His son, Zemah ben Paltoi paraphrased and explained the passages which he quoted; and he composed, as an aid to the study of the Talmud, a lexicon which Abraham Zacuto consulted in the fifteenth century. Saadia Gaon is said to have composed commentaries on the Talmud, aside from his Arabic commentaries on the Mishnah. The first surviving commentary on the entire Talmud is that of Chananel ben Chushiel. Many medieval authors also composed commentaries focusing on the content of specific tractates, including Nissim ben Jacob and Gershom ben Judah. The commentary of Rashi, covering most of the Talmud, has become a classic. Sections in the commentary covering a few tractates (Pes, BB and Mak) were completed by his students, especially Judah ben Nathan, and a sections dealing with specific tractates (Ned, Naz, Hor and MQ) of the commentary that appear in some print editions of Rashi's commentary today were not composed by him. In the twelfth and thirteenth centuries, a genre of rabbinic literature emerged surrounding Rashi's commentary, with the purpose of supplementing it and addressing internal contradictions via the technique of pilpul. This genre of commentary is known as the Tosafot and focuses on specific passages instead of a running continuous commentary across the entire Talmud. Many Talmudic passages are difficult to understand, sometimes owing to the use of Greek or Persian loanwords whose meaning had become obscure. A major area of Talmudic scholarship developed to explain these passages and words. Some early commentators such as Rabbenu Gershom of Mainz (10th century) and Rabbenu Ḥananel (early 11th century) produced running commentaries to various tractates. These commentaries could be read with the text of the Talmud and would help explain the meaning of the text. Another important work is the Sefer ha-Mafteaḥ (Book of the Key) by Nissim Gaon, which contains a preface explaining the different forms of Talmudic argumentation and then explains abbreviated passages in the Talmud by cross-referring to parallel passages where the same thought is expressed in full. Commentaries (ḥiddushim) by Joseph ibn Migash on two tractates, Bava Batra and Shevuot, based on Ḥananel and Alfasi, also survive, as does a compilation by Zechariah Aghmati called Sefer ha-Ner. The Tosafot are collected commentaries by various medieval Ashkenazic rabbis on the Talmud (known as Tosafists or Ba'alei Tosafot). One of the main goals of the Tosafot is to explain and interpret contradictory statements in the Talmud. Unlike Rashi, the Tosafot is not a running commentary, but rather comments on selected matters. Often the explanations of Tosafot differ from those of Rashi. Among the founders of the Tosafist school were Rabbeinu Tam, who was a grandson of Rashi, and, Rabbenu Tam's nephew, Isaac ben Samuel. The Tosafot commentaries were collected in different editions in the various schools. The benchmark collection of Tosafot for Northern France was that of Eliezer of Touques. The standard collection for Spain was Rabbenu Asher's Tosefot haRosh. The Tosafot that are printed in the standard Vilna edition of the Talmud are an edited version compiled from the various medieval collections, predominantly that of Touques.[full citation needed] Over time, the approach of the Tosafists spread to other Jewish communities, particularly those in Spain. This led to the composition of many other commentaries in similar styles. Among these are the commentaries of Nachmanides (Ramban), Solomon ben Adret (Rashba), Yom Tov of Seville (Ritva) and Nissim of Gerona (Ran); these are often titled “Chiddushei ...” (“Novellae of ...”). A comprehensive anthology consisting of extracts from all these is the Shitah Mekubezet of Bezalel Ashkenazi. Other commentaries produced in Spain and Provence were not influenced by the Tosafist style. Two of the most significant of these are the Yad Ramah by rabbi Meir Abulafia and Bet Habechirah by rabbi Menahem haMeiri, commonly referred to as "Meiri". While the Bet Habechirah is extant for all of Talmud, we only have the Yad Ramah for Tractates Sanhedrin, Baba Batra and Gittin. Like the commentaries of Ramban and the others, these are generally printed as independent works, though some Talmud editions include the Shitah Mekubezet in an abbreviated form. In later centuries, focus partially shifted from direct Talmudic interpretation to the analysis of previously written Talmudic commentaries. Well known are "Maharshal" (Solomon Luria), "Maharam" (Meir Lublin) and "Maharsha" (Samuel Edels), which analyze Rashi and Tosafot together; other such commentaries include Ma'adanei Yom Tov by Yom-Tov Lipmann Heller, in turn a commentary on the Rosh (see below), and the glosses by Zvi Hirsch Chajes. These later commentaries are generally appended to the tractate. Commentaries discussing the Halachik-legal content – outlined above – include "Rosh", "Rif" and "Mordechai"; these are now standard appendices to each volume. Rambam's Mishneh Torah is invariably studied alongside these three; although a code, and therefore not in the same order as the Talmud, the relevant location is identified via the Ein Mishpat, following. (A recent project, Halacha Brura, founded by Abraham Isaac Kook, presents the Talmud and a summary of the halachic codes side by side, so as to enable the collation of Talmud with resultant Halacha.) Found in almost all editions of the Talmud, is the "study-aid" consisting of the marginal notes Torah Or, Ein Mishpat Ner Mitzvah and Masoret ha-Shas by the Italian rabbi Joshua Boaz, which give references respectively: to the cited Biblical passages, to the relevant halachic codes (Mishneh Torah, Tur, Shulchan Aruch, and Se'mag) and to related Talmudic passages. Most editions of the Talmud include also the brief marginal notes by Akiva Eger under the name Gilyon ha-Shas, and textual notes by Joel Sirkes and the Vilna Gaon. During the 15th and 16th centuries, a new intensive form of Talmud study arose. Complicated logical arguments were used to explain minor points of contradiction within the Talmud. The term pilpul was applied to this type of study. Usage of pilpul in this sense (that of "sharp analysis") harks back to the Talmudic era and refers to the intellectual sharpness this method demanded. Pilpul practitioners posited that the Talmud could contain no redundancy or contradiction whatsoever. New categories and distinctions (hillukim) were therefore created, resolving seeming contradictions within the Talmud by novel logical means. In the Ashkenazi world the founders of pilpul are generally considered to be Jacob Pollak (1460–1541) and Shalom Shachna. This kind of study reached its height in the 16th and 17th centuries when expertise in pilpulistic analysis was considered an art form and became a goal in and of itself within the yeshivot of Poland and Lithuania. But the popular new method of Talmud study was not without critics; already in the 15th century, the ethical tract Orhot Zaddikim ("Paths of the Righteous" in Hebrew) criticized pilpul for an overemphasis on intellectual acuity. Many 16th- and 17th-century rabbis were also critical of pilpul. Among them are Judah Loew ben Bezalel (the Maharal of Prague), Isaiah Horowitz, and Yair Bacharach. By the 18th century, pilpul study waned. Other styles of learning such as that of the school of Elijah b. Solomon, the Vilna Gaon, became popular. The term "pilpul" was increasingly applied derogatorily to novellae deemed casuistic and hairsplitting. Authors referred to their own commentaries as "al derekh ha-peshat" (by the simple method) to contrast them with pilpul.[full citation needed] Among Sephardi and Italian Jews from the 15th century on, some authorities sought to apply the methods of Aristotelian logic, as reformulated by Averroes. This method was first recorded, though without explicit reference to Aristotle, by Isaac Campanton (d. Spain, 1463) in his Darkhei ha-Talmud ("The Ways of the Talmud"), and is also found in the works of Moses Chaim Luzzatto. According to the present-day Sephardi scholar José Faur, traditional Sephardic Talmud study could take place on any of three levels. In the late 19th century another trend in Talmud study arose. Hayyim Soloveitchik (1853–1918) of Brisk (Brest-Litovsk) developed and refined this style of study. Brisker method involves a reductionistic analysis of rabbinic arguments within the Talmud or among the Rishonim, explaining the differing opinions by placing them within a categorical structure. The Brisker method is highly analytical and is often criticized as being a modern-day version of pilpul. Nevertheless, the influence of the Brisker method is great. Most modern-day Yeshivot study the Talmud using the Brisker method in some form. One feature of this method is the use of Maimonides' Mishneh Torah as a guide to Talmudic interpretation, as distinct from its use as a source of practical halakha. Rival methods were those of the Mir and Telz yeshivas. See Chaim Rabinowitz § Telshe and Yeshiva Ohel Torah-Baranovich § Style of learning. Textual criticism The text of the Talmud has been subject to some level of critical scrutiny throughout its history. Rabbinic tradition holds that the people cited in both Talmuds did not have a hand in its writings; rather, their teachings were edited into a rough form around 450 CE (Talmud Yerushalmi) and 550 CE (Talmud Bavli). The text of the Bavli especially was not firmly fixed at that time. Gaonic responsa literature addresses this issue. Teshuvot Geonim Kadmonim, section 78, deals with mistaken biblical readings in the Talmud. This Gaonic responsum states: But you must examine carefully in every case when you feel uncertainty [as to the credibility of the text] – what is its source? Whether a scribal error? Or the superficiality of a second rate student who was not well versed? ... after the manner of many mistakes found among those superficial second-rate students, and certainly among those rural memorizers who were not familiar with the biblical text. And since they erred in the first place ... [they compounded the error.] — Teshuvot Geonim Kadmonim, Ed. Cassel, Berlin 1858, Photographic reprint Tel Aviv 1964, 23b. In the early medieval era, Rashi already concluded that some statements in the extant text of the Talmud were insertions from later editors. On Shevuot 3b Rashi writes "A mistaken student wrote this in the margin of the Talmud, and copyists [subsequently] put it into the Gemara."[b] The emendations of Yoel Sirkis and the Vilna Gaon are included in all standard editions of the Talmud, in the form of marginal glosses entitled Hagahot ha-Bach and Hagahot ha-Gra respectively; further emendations by Solomon Luria are set out in commentary form at the back of each tractate. The Vilna Gaon's emendations were often based on his quest for internal consistency in the text rather than on manuscript evidence; nevertheless many of the Gaon's emendations were later verified by textual critics, such as Solomon Schechter, who had Cairo Genizah texts with which to compare our standard editions. In the 19th century, Raphael Nathan Nota Rabinovicz published a multi-volume work entitled Dikdukei Soferim, showing textual variants from the Munich and other early manuscripts of the Talmud, and further variants are recorded in the Complete Israeli Talmud and Gemara Shelemah editions (see § Critical editions, above). Today many more manuscripts have become available, in particular from the Cairo Geniza. The Academy of the Hebrew Language has prepared a text on CD-ROM for lexicographical purposes, containing the text of each tractate according to the manuscript it considers most reliable, and images of some of the older manuscripts may be found on the website of the National Library of Israel (formerly the Jewish National and University Library). The NLI, the Lieberman Institute (associated with the Jewish Theological Seminary of America), the Institute for the Complete Israeli Talmud (part of Yad Harav Herzog) and the Friedberg Jewish Manuscript Society all maintain searchable websites on which the viewer can request variant manuscript readings of a given passage. Some trends within contemporary Talmud scholarship are listed below. Translations There are six contemporary translations of the Talmud into English: Index "A widely accepted and accessible index" was the goal driving several such projects.: Editions The first complete edition of the Babylonian Talmud was printed in Venice by Daniel Bomberg between 1520 and 1523 with the support of Pope Leo X. In addition to the Mishnah and Gemara, Bomberg's edition contained the commentaries of Rashi and Tosafot. Almost all printings since Bomberg have followed the same pagination. Bomberg's edition was considered relatively free of censorship. Ambrosius Frobenius collaborated with the scholar Israel Ben Daniel Sifroni from Italy. His most extensive work was a Talmud edition published, with great difficulty, in 1578–1581. Following Ambrosius Frobenius's publication of most of the Talmud in installments in Basel, Immanuel Benveniste published the whole Talmud in installments in Amsterdam 1644–1648, Although according to Raphael Rabbinovicz the Benveniste Talmud may have been based on the Lublin Talmud and included many of the censors' errors. It is noteworthy due to the inclusion of Avodah Zarah, omitted due to Church censorship from several previous editions, and when printed, often lacking a title page. The edition of the Talmud published by the Szapira brothers in Slavita was published in 1817, and it is particularly prized by many rebbes of Hasidic Judaism. In 1835, after a religious community copyright[attribution needed] was nearly over, and following an acrimonious dispute with the Szapira family, a new edition of the Talmud was printed by Menachem Romm of Vilna. Known as the Vilna Edition Shas, this edition (and later ones printed by his widow and sons, the Romm publishing house) has been used in the production of more recent editions of Talmud Bavli. A page number in the Vilna Talmud refers to a double-sided page, known as a daf, or folio in English; each daf has two amudim labeled א and ב, sides A and B (recto and verso). The convention of referencing by daf is relatively recent and dates from the early Talmud printings of the 17th century, though the actual pagination goes back to the Bomberg edition. Earlier rabbinic literature generally refers to the tractate or chapters within a tractate (e.g. Berachot Chapter 1, ברכות פרק א׳). It sometimes also refers to the specific Mishnah in that chapter, where "Mishnah" is replaced with "Halakha", here meaning route, to "direct" the reader to the entry in the Gemara corresponding to that Mishna (e.g. Berachot Chapter 1 Halakha 1, ברכות פרק א׳ הלכה א׳, would refer to the first Mishnah of the first chapter in Tractate Berachot, and its corresponding entry in the Gemara). However, this form is nowadays more commonly (though not exclusively) used when referring to the Jerusalem Talmud. Nowadays, reference is usually made in format [Tractate daf a/b] (e.g. Berachot 23b, ברכות כג ב׳). Increasingly, the symbols "." and ":" are used to indicate Recto and Verso, respectively (thus, e.g. Berachot 23:, :ברכות כג). These references always refer to the pagination of the Vilna Talmud. The text of the Vilna editions is considered by scholars not to be uniformly reliable, and there have been a number of attempts to collate textual variants. There have been critical editions of particular tractates (e.g., Henry Malter's edition of Ta'anit), but there is no modern critical edition of the whole Talmud. Modern editions such as those of the Oz ve-Hadar Institute correct misprints and restore passages that in earlier editions were modified or excised by censorship but do not attempt a comprehensive account of textual variants. One edition, by Yosef Amar, represents the Yemenite tradition, and takes the form of a photostatic reproduction of a Vilna-based print to which Yemenite vocalization and textual variants have been added by hand, together with printed introductory material. Collations of the Yemenite manuscripts of some tractates have been published by Columbia University. A number of editions have been aimed at bringing the Talmud to a wider audience. Aside from the Steinsaltz and Artscroll/Schottenstein sets there are: Lazarus Goldschmidt published an edition from the "uncensored text" of the Babylonian Talmud with a German translation in 9 volumes (commenced Leipzig, 1897–1909; edition completed, following emigration to England in 1933, by 1936). Twelve volumes of the Babylonian Talmud were published by Mir Yeshiva refugees during the years 1942 thru 1946 while they were in Shanghai. The major tractates, one per volume, were: "Shabbat, Eruvin, Pesachim, Gittin, Kiddushin, Nazir, Sotah, Bava Kama, Sanhedrin, Makot, Shevuot, Avodah Zara" (with some volumes having, in addition, "Minor Tractates"). A Survivors' Talmud was published, encouraged by President Truman's "responsibility toward these victims of persecution" statement. The U.S. Army (despite "the acute shortage of paper in Germany") agreed to print "fifty copies of the Talmud, packaged into 16-volume sets" during 1947–1950. The plan was extended: 3,000 copies, in 19-volume sets. In visual arts Rabbis and Talmudists studying and debating Talmud abound in the art of Austrian painter Carl Schleicher (1825–1903); active in Vienna, especially c. 1859–1871. Reception outside of Judaism The study of Talmud is not restricted to those of the Jewish religion and has attracted interest in other cultures. Christian scholars have long shown interest in the study of the Talmud, which has helped illuminate their own scriptures. The Talmud contains biblical exegesis and commentary on the Tanakh that often clarifies elliptical and esoteric passages. The Talmud contains possible references to Jesus and his disciples, while the Christian canon mentions Talmudic figures and contains teachings that can be paralleled in the Talmud and Midrash. The Talmud provides cultural and historical context to the Gospel and the writings of the Apostles. South Koreans reportedly hope to emulate Jews' high academic standards by studying Jewish literature. Almost every household has a translated copy of a book they call "Talmud", which parents read to their children, and the book is part of the primary-school curriculum. The "Talmud" in this case is usually one of several possible volumes, the earliest translated into Korean from the Japanese. The original Japanese books were created through the collaboration of Japanese writer Hideaki Kase and Marvin Tokayer, an Orthodox American rabbi serving in Japan in the 1960s and 70s. The first collaborative book was 5,000 Years of Jewish Wisdom: Secrets of the Talmud Scriptures, created over a three-day period in 1968 and published in 1971. The book contains actual stories from the Talmud, proverbs, ethics, Jewish legal material, biographies of Talmudic rabbis, and personal stories about Tokayer and his family. Tokayer and Kase published a number of other books on Jewish themes together in Japanese. The first South Korean publication of 5,000 Years of Jewish Wisdom was in 1974, by Tae Zang publishing house. Many different editions followed in both Korea and China, often by black-market publishers. Between 2007 and 2009, Yong-soo Hyun of the Shema Yisrael Educational Institute published a 6-volume edition of the Korean Talmud, bringing together material from a variety of Tokayer's earlier books. He worked with Tokayer to correct errors and Tokayer is listed as the author. Tutoring centers based on this and other works called "Talmud" for both adults and children are popular in Korea and "Talmud" books (all based on Tokayer's works and not the original Talmud) are widely read and known. In 2012, then-Vice President of Iran, Mohammad Reza Rahimi, claimed that the Talmud was the cause of the spread of narcotics in the country. Criticism Historian Michael Levi Rodkinson, in his book The History of the Talmud, wrote that detractors of the Talmud, both during and subsequent to its formation, "have varied in their character, objects and actions" and the book documents a number of critics and persecutors, including Nicholas Donin, Johannes Pfefferkorn, Johann Andreas Eisenmenger, the Frankists, and August Rohling. Many of the attacks come from antisemitic sources such as in modern times Justinas Pranaitis, Elizabeth Dilling, and David Duke. Criticisms also arise from Christian, Muslim, and Jewish sources, such as Israel Shahak, as well as from atheists and skeptics such as Christopher Hitchens and Denis Diderot. Accusations against the Talmud, particularly those from antisemitic sources, include alleged: Scholars point out that many of these criticisms are either outright falsehoods or based on quotations that are misrepresented or taken out of context. Some critics misrepresent the meaning of the Talmud's text; it is a detailed record of discussions that preserved statements by and disagreements among a variety of sages, a record of debate from which rejected statements and opinions were never edited out. At the very time that the Babylonian savoraim put the finishing touches to the redaction of the Talmud, the emperor Justinian issued his edict against deuterosis (doubling, repetition) of the Hebrew Bible. It is disputed whether, in this context, deuterosis means "Mishnah" or "Targum": in patristic literature, the word is used in both senses. Full-scale attacks on the Talmud took place in the 13th century in France, where Talmudic study was then flourishing. In the 1230s Nicholas Donin, a Jewish convert to Christianity, pressed 35 charges against the Talmud to Pope Gregory IX by translating a series of allegedly blasphemous passages about Jesus, Mary or Christianity. There is a quoted Talmudic passage, for example, where a person named Yeshu who some people have claimed is Jesus of Nazareth is sent to Gehenna to be boiled in excrement for eternity. Donin also selected an injunction of the Talmud that permits Jews to kill non-Jews. This led to the Disputation of Paris, which took place in 1240 at the court of Louis IX of France, where four rabbis, including Yechiel of Paris and Moses ben Jacob of Coucy, defended the Talmud against the accusations of Nicholas Donin. The translation of the Talmud from Aramaic to non-Jewish languages stripped Jewish discourse from its covering, something that was resented by Jews as a profound violation. The Disputation of Paris led to the condemnation and the first burning of copies of the Talmud in Paris in 1242.[c] The burning of copies of the Talmud continued.[full citation needed] The Talmud was likewise the subject of the Disputation of Barcelona in 1263 between Nahmanides and Pablo Christiani, a Jewish convert to Christianity, in which they argued whether Jesus was the messiah prophesized in Judaism. This same Pablo Christiani made an attack on the Talmud that resulted in a papal bull against the Talmud and in the first censorship, which was undertaken at Barcelona by a commission of Dominicans, who ordered the cancellation of passages deemed objectionable from a Christian perspective (1264). At the Disputation of Tortosa in 1413, Geronimo de Santa Fé brought forward a number of accusations, including the fateful assertion that the condemnations of "pagans", "heathens", and "apostates" found in the Talmud were, in reality, veiled references to Christians. These assertions were denied by the Jewish community and its scholars, who contended that Judaic thought made a sharp distinction between those classified as heathen or pagan, being polytheistic, and those who acknowledge one true God (such as the Christians) even while worshipping the true monotheistic God incorrectly. Thus, Jews viewed Christians as misguided and in error, but not among the "heathens" or "pagans" discussed in the Talmud. Both Pablo Christiani and Geronimo de Santa Fé, in addition to criticizing the Talmud, also regarded it as a source of authentic traditions, some of which could be used as arguments in favor of Christianity. Examples of such traditions were statements that the Messiah was born around the time of the destruction of the Temple and that the Messiah sat at the right hand of God. In 1415, Antipope Benedict XIII, who had convened the Tortosa disputation, issued a papal bull (which was destined, however, to remain inoperative) forbidding the Jews to read the Talmud, and ordering the destruction of all copies of it. Far more important were the charges made in the early part of the 16th century by the convert Johannes Pfefferkorn, the agent of the Dominicans. The result of these accusations was a struggle in which the emperor and the pope acted as judges, the advocate of the Jews being Johann Reuchlin, who was opposed by the obscurantists; and this controversy, which was carried on for the most part by means of pamphlets, became in the eyes of some a precursor of the Reformation. An unexpected result of this affair was the complete printed edition of the Babylonian Talmud issued in 1520 by Daniel Bomberg at Venice, under the protection of a papal privilege. Three years later, in 1523, Bomberg published the first edition of the Jerusalem Talmud. In 1553, during the heightened tensions of the Counter-Reformation and following the Bragadin-Giustiniani dispute, new attacks were made again the Talmud and the Roman Inquisition advocated the burning of the Talmud. The primary reason was not that the Talmud contained alleged blasphemies but that the Inquisition saw the Talmud as an obstacle in the conversion of Jews to Christianity. Thus, on the New Year, Rosh Hashanah (September 9, 1553) the copies of the Talmud confiscated by a decree of the Inquisition and burned in Campo de' Fiori in Rome. Other burnings took place in other Italian cities, such as the one instigated by Joshua dei Cantori at Cremona in 1559. Censorship of the Talmud and other Hebrew works was introduced by a papal bull issued in 1554; five years later the Talmud was included in the first Index Expurgatorius. In 1564, Pope Pius IV abolished the prohibition against the Talmud, but decreed that it would need to be censored and could not have "Talmud" written on its title page. The convention of referring to the work as "Shas" (shishah sidre Mishnah) instead of "Talmud" dates from this time. The first edition of the expurgated Talmud, on which most subsequent editions were based, appeared at Basel (1578–1581) with the omission of the entire treatise of 'Abodah Zarah and of passages considered inimical to Christianity, together with modifications of certain phrases. In 1581, however, Pope Gregory XIII ordered the confiscation of all Hebrew books including the Talmud and though his successor Sixtus V renounced this policy and preparations were made for a new edition of the Talmud, the successor of Sixtus V, Clement VIII Clement VIII renewed in his bull Cum hebraeorum malitia the 1557 ban on all Hebrew books except the Bible. The increasing study of the Talmud in Poland led to the issue of a complete edition (Kraków, 1602–1605), with a restoration of the original text; an edition containing, so far as known, only two treatises had previously been published at Lublin (1559–1576). After an attack on the Talmud took place in Poland (in what is now Ukrainian territory) in 1757, when Bishop Dembowski, at the instigation of the Frankists, convened a public disputation at Kamieniec Podolski, and ordered all copies of the work found in his bishopric to be confiscated and burned. A "1735 edition of Moed Katan, printed in Frankfurt am Oder" is among those that survived from that era. "Situated on the Oder River, three separate editions of the Talmud were printed there between 1697 and 1739."[attribution needed] The external history of the Talmud includes also the literary attacks made upon it by some Christian theologians after the Reformation since these onslaughts on Judaism were directed primarily against that work, the leading example being Eisenmenger's Entdecktes Judenthum (Judaism Unmasked) (1700). In contrast, the Talmud was a subject of rather more sympathetic study by many Christian theologians, jurists and Orientalists from the Renaissance on, including Johann Reuchlin, John Selden, Petrus Cunaeus, John Lightfoot and Johannes Buxtorf father and son. The Flemish scholar Andreas Masius considered that the attack on the Talmud and Hebrew literature would result in greatest damage to Christianity and that a certain knowledge of rabbinic literature was necessary for Christian studies. The Vilna edition of the Talmud was subject to Russian government censorship, or self-censorship to meet government expectations, though this was less severe than some previous attempts: the title "Talmud" was retained and the tractate Avodah Zarah was included. Most modern editions are either copies of or closely based on the Vilna edition, and therefore still omit most of the disputed passages. Although they were not available for many generations, the removed sections of the Talmud, Rashi, Tosafot and Maharsha were preserved through rare printings of lists of errata, known as Chesronos Hashas ("Omissions of the Talmud"). Many of these censored portions were recovered from uncensored manuscripts in the Vatican Library. Some modern editions of the Talmud contain some or all of this material, either at the back of the book, in the margin, or in its original location in the text. In 1830, during a debate in the French Chamber of Peers regarding state recognition of the Jewish faith, Admiral Verhuell declared himself unable to forgive the Jews whom he had met during his travels throughout the world either for their refusal to recognize Jesus as the Messiah or for their possession of the Talmud.[full citation needed] In the same year the Abbé Chiarini published a voluminous work entitled Théorie du Judaïsme, in which he announced a translation of the Talmud, advocating for the first time a version that would make the work generally accessible, and thus serve for attacks on Judaism: only two out of the projected six volumes of this translation appeared. In a like spirit 19th-century antisemitic agitators often urged that a translation be made; and this demand was even brought before legislative bodies, as in Vienna. The Talmud and the "Talmud Jew" thus became objects of antisemitic attacks, for example in August Rohling's Der Talmudjude (1871), although, on the other hand, they were defended by many Christian students of the Talmud, notably Hermann Strack. Further attacks from antisemitic sources include Justinas Pranaitis' The Talmud Unmasked: The Secret Rabbinical Teachings Concerning Christians (1892) and Elizabeth Dilling's The Plot Against Christianity (1964). The criticisms of the Talmud in many modern pamphlets and websites are often recognizable as verbatim quotations from one or other of these. Historians Will and Ariel Durant noted a lack of consistency between the many authors of the Talmud, with some tractates in the wrong order, or subjects dropped and resumed without reason. According to the Durants, the Talmud "is not the product of deliberation, it is the deliberation itself." The Internet is another source of criticism of the Talmud. The Anti-Defamation League's report on this topic states that antisemitic critics of the Talmud frequently use erroneous translations or selective quotations in order to distort the meaning of the Talmud's text, and sometimes fabricate passages. In addition, the critics rarely provide the full context of the quotations and fail to provide contextual information about the culture that the Talmud was composed in, nearly 2,000 years ago. One such example concerns the line: "If a Jew be called upon to explain any part of the rabbinic books, he ought to give only a false explanation. One who transgresses this commandment will be put to death." This is alleged to be a quote from a book titled Libbre David (alternatively Livore David ). No such book exists in the Talmud or elsewhere. The title is assumed to be a corruption of Dibre David, a work published in 1671. Reference to the quote is found in an early Holocaust denial book, The Six Million Reconsidered by William Grimstad. In addition there have been fabricated interpretations such as the 19th-century antisemitic book "The Talmudic Jew" by German Catholic theologian August Rohling, a popular text with the anti-Jewish newspaper Der Stürmer in the years leading up to the Holocaust and the rise of the Third Reich. The book, which claims to lift passages from the Talmud has been utilized by antisemites like internet personality Candace Owens as justification for anti-Jewish bigotry, making ahistorical and conspiratorial claims about Jewish influence. See also References On individual tractates Historical study External links |
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[SOURCE: https://www.mako.co.il/food-weekend/restaurant-reviews/Article-35ee3c44f307c91026.htm] | [TOKENS: 13545] |
מדברים בשקטסניור לא רוצה לטלטל את עולמכם, לפתוח לכם את הראש או לשלוח אתכם הביתה עם מחשבות על מנה אוונגרדית שלעולם לא הייתם מצליחים לשחזר בבית. מה שהיא כן רוצה זה להעביר אתכם ערב נעים, מהנה ושקט (גם ליטרלית, זאת מסעדה שאפשר לשוחח בה בלי לצעוק), עם שירות קשוב ואיכותי ומנות טובות ולא מסובכות. עכשיו נותר רק לקוות שתצליח לנצח את הסטטיסטיקהריטה גולדשטייןmako אוכלפורסם: 19.02.26, 21:28צילום: נמרוד סונדרס, יחסי ציבורהקישור הועתקיש משהו מעורר תמיהה במסעדת סניור הקטנה באזור המוסכים החף כמעט מבתי אוכל בתל אביב, לא רחוק מדרך איילון ויצחק שדה. מצד אחד מדובר במסעדת שף חדשה ומדוברת, שבחודשים שחלפו מאז פתיחתה כתבו עליה לא מעט (בעיקר שבחים). מצד שני - המיקום המשונה, החלל הצנוע, האווירה הנינוחה והווייב הנונשלנטי המורגש כבר בכניסה מגיעים כמעט בניגוד מוחלט למילים הגדולות שנכתבו ולתואר הרשמי של המקום, שבהחלט מייצרים ים של ציפיות.אופרציה קטנטנה ומעוררת חיבהאת סניור פתחו גל נוי והשף אייל סניור, שניים בעלי רזומה עשיר של פעילות במסעדות מוכרות בתל אביב ומחוצה לה (טאיזו, יפו תל אביב, סלאס, קרפצ'יו בר, מטבחצר ועוד). שניהם מאסו בסטרס ובעבודה עבור אחרים והחליטו לייצר לעצמם מקום חלוצי, שבו יוכלו לעבוד במה שהם אוהבים מבלי לשקוע תחת עול השכירויות והדוחק שמאפיין את המקומות שנפתחים במרכז תל אביב. במקביל הם גם שאפו להמשיך ולהיות אנשי משפחה - תואר נדיר למסעדנים, שלרוב מושקעים כל כולם בבית העסק שלהם. התוצאה של השילוב בין שני המסעדנים הוותיקים - סניור באגף המטבח ונוי באגף הניהול והפלור - היא מקום שמשרה תחושת נוחות ואינטימיות כמעט מיידית. מין חלל מנותק שמרגיש משוחרר מהצורך הבולט של מרבית מסעדות השף לייצר רושם ותחושת שואו. ככזה, הוא אנטיתזה למרבית המקומות החדשים מהתקופה האחרונה או בכלל.מסעדת סניור. יש בה משהו מעורר תמיהה | צילום: נמרוד סונדרס, יחסי ציבורהחלל מעוצב בפשטות ובניקיון, עם תאורה שמבליטה את העובדה שהתרגלנו לסעוד כמעט בחושך מוחלט ופסקול רגוע שאשכרה מאפשר לך לשמוע את מי שהגעת איתו מבלי להתאמץ יותר מדי. אין כאן מסיבה, יש מסעדה שכונתית. הכל משדר ענווה ומינימליזם. גם התפריט (שמתחלף לא מעט בהתאם לעונה) ממשיך את הרושם, עם צלחות שלא בולטות בבומבסטיות ובשילובים נועזים, וללא מנות שנועדו לייצר משיכה ברשתות החברתיות. רוב רובה של הרשימה פה אינו מרתיע, ומוכר לכל מי שיצא לאכול בשנים האחרונות בחוץ. מקרפצ'יו סלק עם גבינת פנחס, דרך סשימי אינטיאס עם הדרים, ריזוטו שרימפס ושקדי עגל על קרם ארטישוק ירושלמי - מנת חורף שהפכה להיות סוג של סטנדרט עונתי בכל מסעדה שנייה - ועד קצת פסטות כמו אטריות סיניות לצד מח עצם ופרגיות או טורטליני בצל וגבינת פקורינו ברוטב חמאת בצל ופטריות.סניור פועלת רק מספר מצומצם של ערבים בשבוע, וכשניסינו להזמין לכאן מקום גילינו ששולחנות רבים, בעיקר לקראת סוף השבוע, תפוסים מראש. זה כשלעצמו סימן לפופולריות של הקונספט, או לטרנדיות הזמנית שלו בקרב הקהל התל אביבי הסקרן. זה גם מה שגרם לנו להגיע הנה בערב שקט למדי של אמצע השבוע. נכנסנו, התמקמנו על הבר הקטן ועוד בטרם הוגש לנו תפריט קיבלו את פנינו עם כוס מים צוננים, מה שמעיד על שירות טוב והבנה של הלקוח (שלצערי הפכו נדירים מאוד במסעדות בימינו). באופן כללי, אין כאן מלצרים או יותר מדי ידיים במטבח. שני טבחים, שני אנשי צוות שדואגים שהכול יתקתק, לוקחים הזמנות, מגישים ומסבירים, וזהו. אופרציה קטנטנה ומעוררת חיבה.לא להרשים בכוחהתחלנו עם 2 מנות ירקות - ברוקולי, בצל ספרדי וקולרבי שנצלו והוגשו על קרם שום וסלסת סלרי (64 שקלים); וצלחת של חסה צלויה על גריל פחמים ברוטב קיסר עם אגוזים קלויים מתובלים (68 שקלים). ליד הירקות הוגשו שתי פרוסות לחם מצוינות ממאפיית הלחם של חגי בפלורנטין. הפתיחה המוצלחת יותר הייתה הווריאציה על סלט הקיסר הקלאסי, עם חסות צלויות ששמרו על פריכות ועסיסיות ושולבו היטב עם רוטב קיסר קרמי ואגוזי מלך קלויים, פריכים ונעימים. חסה צלויה היא תמיד רעיון טוב, וברגע שמפסיקים לחשוש מהקונספט היא הופכת לאחת הדרכים המהנות ביותר לצרוך את הירק מלא החיים הזה, שבואו נודה באמת, יכול להיות משעמם להחריד. מנת הירקות החורפיים הצלויים הציגה עבודה נכונה עם כל אחד מהירקות: הקולרבי היה רך ומתמסר, הברוקולי שמר על מרקם ונגיסה ולא התפרק והבצל הספרדי היה החרוך מכולם, ירק עז טעמים שהוא הכלאה מעניינת בין בצל ירוק לבצל לבן מתקתק - הביס הכי פחות שגרתי בצלחת. יחד עם קרם השום המעודן וסלסת הסלרי שתרמה רעננות ועניין, זאת הייתה פתיחה אלגנטית וטובה.פרסומתחסה צלויה על גריל פחמים. סניור | צילום: יובל נוי וולפיש, יחסי ציבורהמשכנו לטורטליני טלה בציר עוף אסייתי עם אפונה טרייה ואפונת שלג (102 שקלים) - מנה שהדרך הטובה ביותר לתאר אותה היא "שקטה". באופן כללי, לא עובדים בסניור על הרצון לפוצץ את החך באינספור רשמים. האוכל כאן ברובו הגדול מדבר בשקט, בדיוק כמו המקום והבעלים, וטורטליני הטלה הזה הוא אחת הדוגמאות הבולטות לכך. בציר עוף עם טעמים מעט אניסיים (שאחראים כנראה להגדרה "אסייתי") שחו להן קציצות טלה קטנות עטופות בצק פסטה דקיק וטוב. ממלאים מלוא הכף בציר וכיסון, מוסיפים קצת אפונים מתוקים וטריים שבשיאם כעת, והפה מוצף תחושת חורף מעודנת ונעימה. רק אפונת השלג, אף שתמיד כיף לנשנש ממנה בידיים, הרגישה לא מאוד רלוונטית למנה. במבט כללי זאת לא הייתה צלחת מסעירה בטעמיה, אבל בהחלט כזאת שקולעת לחובבי העדינות וטומנת בחובה לא מעט השקעה.טורטליני טלה. סניור | צילום: גיל חובב, יחסי ציבורצלחת שווארמה דג בתערובת תבלינים בוהקת (102 שקלים), שהוגשה על יוגורט טחינה לצד סלט ירקות צבעוני, הייתה החלק הנועז ביותר בכל הארוחה שלנו כאן. מנה כמעט מנוגדת לכיסונים שקדמו לה, שלא חוששת מתיבול דומיננטי. המחיר אומנם עומד בסתירה מסוימת לקונספט הנינוח כאן, אבל זאת הייתה שווארמת דגים טעימה עם שפע נתחי דג לבן בשרניים, שתובלו בצורה מצוינת והוגשו עם רוטב מאזן ועשיר של טחינה ויוגורט. אחת המנות המוצלחות ביותר של הערב, שהפגינה עליית מדרגה מסוימת עם אוכל שלא מפחד להותיר רושם עז.פרסומתשווארמה דג. סניור | צילום: יובל נוי וולפיש, יחסי ציבורהקינוחים בסניור ממשיכים את הקו הבסיסי שלא מתאמץ להרשים בכוח, וכוללים מוס שוקולד ועוגת מייפל עם קרם גבינה. אלה קינוחים פשוטים, מוכרים ולא מסורבלים, שהם גם מה שמתחשק לאכול בסיום ארוחה באותו הטון. אנחנו בחרנו בפרוסה דשנה של עוגת מייפל חביבה (48 שקלים), שהרגישה ביתית ומהנה, לחה ועשירה בטעמי מייפל טובים, לצד קרם גבינה שהצליח להוציא אותה ממחוזות המטבח הביתי מדי ושדרג במעטפת קרמית ועשירה יותר.עוגת מייפל. סניור | צילום: יובל נוי וולפיש, יחסי ציבורכוונו את הציפיותאם אתם מזדמנים הרבה למסעדות שף, כנראה אף מנה בסניור לא תהיה כזאת שלא ראיתם קודם. זאת גם בדיוק הייתה כוונת המשורר. נדיר להגיע למסעדה שלא מתכוונת להרעיד את אמות הסיפים של חושינו, אלא פשוט להעביר אותנו ערב מהנה. האוכל כאן הוא סוג של מפלט מוכר ונעים, שמבוצע במסירות (גם אם לעיתים הייתה מסייעת לו קצת יותר נועזות בתיבול או בביצוע). כמו האוכל כך גם המקום עצמו, שמספק בילוי נעים באווירה חברית ומשוחררת מאוד ולא מחפש לטלטל את הסירה. לערב זוגי, חברי או משפחתי, סניור היא אחד המקומות היותר נעימים שאפשר להגיע אליהם היום בתל אביב - אבל רק בתנאי שהציפיות שלכם כוונו בהתאם.פרסומתאם אתם מסוג האנשים שיוצאים למסעדה ומצפים שכל מנה תותיר עליכם חותם, וגם בחלומות לא תצליחו לשחזר אותה בבית – סניור היא לא הכתובת. זה גם לא מקום זול, למרות שמרבית המנות כאן מתומחרות בצורה קצת פחות פרועה מהרף שהפך לסטנדרט בעיר. מדובר במסעדה מחוץ למסלול המוכר, גם כצורת ביטוי וגם בפועל, בפאתי תל אביב, בלי הייפ, יחסי ציבור וסרטוני טיקטוק מפוצצים. פשוט מסעדה חביבה ומנומקת, עם אוכל לא מסובך ומהנה ברובו, בסביבה צנועה ועם שירות מקצועי שמקפיץ למעלה את כל החוויה.האם זה מספיק בשביל לבלוט לאורך זמן ולשמר את סניור כפנינה ייחודית בין מקומות מפוארים שמאחורי כל אחד מהם קונספט, משקיעים ומיתוג? במבחן שוק המסעדנות התל אביבי התזזיתי ומונע הטרנדים, קיים סיכוי מאוד סביר שלא. על סניור ובעליה מוטלת כעת חובת ההוכחה שהחזון שלהם לא רק מקסים רעיונית אלא גם בר קיימה. בתקווה ובהרבה עבודה עקבית, אולי הם יצליחו לנצח את הסטטיסטיקה.סניור. רבניצקי 4, תל אביב. 077-3034202מסעדות בתל אביבמצאתם טעות לשון? מדברים בשקט סניור לא רוצה לטלטל את עולמכם, לפתוח לכם את הראש או לשלוח אתכם הביתה עם מחשבות על מנה אוונגרדית שלעולם לא הייתם מצליחים לשחזר בבית. מה שהיא כן רוצה זה להעביר אתכם ערב נעים, מהנה ושקט (גם ליטרלית, זאת מסעדה שאפשר לשוחח בה בלי לצעוק), עם שירות קשוב ואיכותי ומנות טובות ולא מסובכות. עכשיו נותר רק לקוות שתצליח לנצח את הסטטיסטיקה יש משהו מעורר תמיהה במסעדת סניור הקטנה באזור המוסכים החף כמעט מבתי אוכל בתל אביב, לא רחוק מדרך איילון ויצחק שדה. מצד אחד מדובר במסעדת שף חדשה ומדוברת, שבחודשים שחלפו מאז פתיחתה כתבו עליה לא מעט (בעיקר שבחים). מצד שני - המיקום המשונה, החלל הצנוע, האווירה הנינוחה והווייב הנונשלנטי המורגש כבר בכניסה מגיעים כמעט בניגוד מוחלט למילים הגדולות שנכתבו ולתואר הרשמי של המקום, שבהחלט מייצרים ים של ציפיות. את סניור פתחו גל נוי והשף אייל סניור, שניים בעלי רזומה עשיר של פעילות במסעדות מוכרות בתל אביב ומחוצה לה (טאיזו, יפו תל אביב, סלאס, קרפצ'יו בר, מטבחצר ועוד). שניהם מאסו בסטרס ובעבודה עבור אחרים והחליטו לייצר לעצמם מקום חלוצי, שבו יוכלו לעבוד במה שהם אוהבים מבלי לשקוע תחת עול השכירויות והדוחק שמאפיין את המקומות שנפתחים במרכז תל אביב. במקביל הם גם שאפו להמשיך ולהיות אנשי משפחה - תואר נדיר למסעדנים, שלרוב מושקעים כל כולם בבית העסק שלהם. התוצאה של השילוב בין שני המסעדנים הוותיקים - סניור באגף המטבח ונוי באגף הניהול והפלור - היא מקום שמשרה תחושת נוחות ואינטימיות כמעט מיידית. מין חלל מנותק שמרגיש משוחרר מהצורך הבולט של מרבית מסעדות השף לייצר רושם ותחושת שואו. ככזה, הוא אנטיתזה למרבית המקומות החדשים מהתקופה האחרונה או בכלל. החלל מעוצב בפשטות ובניקיון, עם תאורה שמבליטה את העובדה שהתרגלנו לסעוד כמעט בחושך מוחלט ופסקול רגוע שאשכרה מאפשר לך לשמוע את מי שהגעת איתו מבלי להתאמץ יותר מדי. אין כאן מסיבה, יש מסעדה שכונתית. הכל משדר ענווה ומינימליזם. גם התפריט (שמתחלף לא מעט בהתאם לעונה) ממשיך את הרושם, עם צלחות שלא בולטות בבומבסטיות ובשילובים נועזים, וללא מנות שנועדו לייצר משיכה ברשתות החברתיות. רוב רובה של הרשימה פה אינו מרתיע, ומוכר לכל מי שיצא לאכול בשנים האחרונות בחוץ. מקרפצ'יו סלק עם גבינת פנחס, דרך סשימי אינטיאס עם הדרים, ריזוטו שרימפס ושקדי עגל על קרם ארטישוק ירושלמי - מנת חורף שהפכה להיות סוג של סטנדרט עונתי בכל מסעדה שנייה - ועד קצת פסטות כמו אטריות סיניות לצד מח עצם ופרגיות או טורטליני בצל וגבינת פקורינו ברוטב חמאת בצל ופטריות. סניור פועלת רק מספר מצומצם של ערבים בשבוע, וכשניסינו להזמין לכאן מקום גילינו ששולחנות רבים, בעיקר לקראת סוף השבוע, תפוסים מראש. זה כשלעצמו סימן לפופולריות של הקונספט, או לטרנדיות הזמנית שלו בקרב הקהל התל אביבי הסקרן. זה גם מה שגרם לנו להגיע הנה בערב שקט למדי של אמצע השבוע. נכנסנו, התמקמנו על הבר הקטן ועוד בטרם הוגש לנו תפריט קיבלו את פנינו עם כוס מים צוננים, מה שמעיד על שירות טוב והבנה של הלקוח (שלצערי הפכו נדירים מאוד במסעדות בימינו). באופן כללי, אין כאן מלצרים או יותר מדי ידיים במטבח. שני טבחים, שני אנשי צוות שדואגים שהכול יתקתק, לוקחים הזמנות, מגישים ומסבירים, וזהו. אופרציה קטנטנה ומעוררת חיבה. התחלנו עם 2 מנות ירקות - ברוקולי, בצל ספרדי וקולרבי שנצלו והוגשו על קרם שום וסלסת סלרי (64 שקלים); וצלחת של חסה צלויה על גריל פחמים ברוטב קיסר עם אגוזים קלויים מתובלים (68 שקלים). ליד הירקות הוגשו שתי פרוסות לחם מצוינות ממאפיית הלחם של חגי בפלורנטין. הפתיחה המוצלחת יותר הייתה הווריאציה על סלט הקיסר הקלאסי, עם חסות צלויות ששמרו על פריכות ועסיסיות ושולבו היטב עם רוטב קיסר קרמי ואגוזי מלך קלויים, פריכים ונעימים. חסה צלויה היא תמיד רעיון טוב, וברגע שמפסיקים לחשוש מהקונספט היא הופכת לאחת הדרכים המהנות ביותר לצרוך את הירק מלא החיים הזה, שבואו נודה באמת, יכול להיות משעמם להחריד. מנת הירקות החורפיים הצלויים הציגה עבודה נכונה עם כל אחד מהירקות: הקולרבי היה רך ומתמסר, הברוקולי שמר על מרקם ונגיסה ולא התפרק והבצל הספרדי היה החרוך מכולם, ירק עז טעמים שהוא הכלאה מעניינת בין בצל ירוק לבצל לבן מתקתק - הביס הכי פחות שגרתי בצלחת. יחד עם קרם השום המעודן וסלסת הסלרי שתרמה רעננות ועניין, זאת הייתה פתיחה אלגנטית וטובה. המשכנו לטורטליני טלה בציר עוף אסייתי עם אפונה טרייה ואפונת שלג (102 שקלים) - מנה שהדרך הטובה ביותר לתאר אותה היא "שקטה". באופן כללי, לא עובדים בסניור על הרצון לפוצץ את החך באינספור רשמים. האוכל כאן ברובו הגדול מדבר בשקט, בדיוק כמו המקום והבעלים, וטורטליני הטלה הזה הוא אחת הדוגמאות הבולטות לכך. בציר עוף עם טעמים מעט אניסיים (שאחראים כנראה להגדרה "אסייתי") שחו להן קציצות טלה קטנות עטופות בצק פסטה דקיק וטוב. ממלאים מלוא הכף בציר וכיסון, מוסיפים קצת אפונים מתוקים וטריים שבשיאם כעת, והפה מוצף תחושת חורף מעודנת ונעימה. רק אפונת השלג, אף שתמיד כיף לנשנש ממנה בידיים, הרגישה לא מאוד רלוונטית למנה. במבט כללי זאת לא הייתה צלחת מסעירה בטעמיה, אבל בהחלט כזאת שקולעת לחובבי העדינות וטומנת בחובה לא מעט השקעה. צלחת שווארמה דג בתערובת תבלינים בוהקת (102 שקלים), שהוגשה על יוגורט טחינה לצד סלט ירקות צבעוני, הייתה החלק הנועז ביותר בכל הארוחה שלנו כאן. מנה כמעט מנוגדת לכיסונים שקדמו לה, שלא חוששת מתיבול דומיננטי. המחיר אומנם עומד בסתירה מסוימת לקונספט הנינוח כאן, אבל זאת הייתה שווארמת דגים טעימה עם שפע נתחי דג לבן בשרניים, שתובלו בצורה מצוינת והוגשו עם רוטב מאזן ועשיר של טחינה ויוגורט. אחת המנות המוצלחות ביותר של הערב, שהפגינה עליית מדרגה מסוימת עם אוכל שלא מפחד להותיר רושם עז. הקינוחים בסניור ממשיכים את הקו הבסיסי שלא מתאמץ להרשים בכוח, וכוללים מוס שוקולד ועוגת מייפל עם קרם גבינה. אלה קינוחים פשוטים, מוכרים ולא מסורבלים, שהם גם מה שמתחשק לאכול בסיום ארוחה באותו הטון. אנחנו בחרנו בפרוסה דשנה של עוגת מייפל חביבה (48 שקלים), שהרגישה ביתית ומהנה, לחה ועשירה בטעמי מייפל טובים, לצד קרם גבינה שהצליח להוציא אותה ממחוזות המטבח הביתי מדי ושדרג במעטפת קרמית ועשירה יותר. אם אתם מזדמנים הרבה למסעדות שף, כנראה אף מנה בסניור לא תהיה כזאת שלא ראיתם קודם. זאת גם בדיוק הייתה כוונת המשורר. נדיר להגיע למסעדה שלא מתכוונת להרעיד את אמות הסיפים של חושינו, אלא פשוט להעביר אותנו ערב מהנה. האוכל כאן הוא סוג של מפלט מוכר ונעים, שמבוצע במסירות (גם אם לעיתים הייתה מסייעת לו קצת יותר נועזות בתיבול או בביצוע). כמו האוכל כך גם המקום עצמו, שמספק בילוי נעים באווירה חברית ומשוחררת מאוד ולא מחפש לטלטל את הסירה. לערב זוגי, חברי או משפחתי, סניור היא אחד המקומות היותר נעימים שאפשר להגיע אליהם היום בתל אביב - אבל רק בתנאי שהציפיות שלכם כוונו בהתאם. אם אתם מסוג האנשים שיוצאים למסעדה ומצפים שכל מנה תותיר עליכם חותם, וגם בחלומות לא תצליחו לשחזר אותה בבית – סניור היא לא הכתובת. זה גם לא מקום זול, למרות שמרבית המנות כאן מתומחרות בצורה קצת פחות פרועה מהרף שהפך לסטנדרט בעיר. מדובר במסעדה מחוץ למסלול המוכר, גם כצורת ביטוי וגם בפועל, בפאתי תל אביב, בלי הייפ, יחסי ציבור וסרטוני טיקטוק מפוצצים. פשוט מסעדה חביבה ומנומקת, עם אוכל לא מסובך ומהנה ברובו, בסביבה צנועה ועם שירות מקצועי שמקפיץ למעלה את כל החוויה. האם זה מספיק בשביל לבלוט לאורך זמן ולשמר את סניור כפנינה ייחודית בין מקומות מפוארים שמאחורי כל אחד מהם קונספט, משקיעים ומיתוג? במבחן שוק המסעדנות התל אביבי התזזיתי ומונע הטרנדים, קיים סיכוי מאוד סביר שלא. על סניור ובעליה מוטלת כעת חובת ההוכחה שהחזון שלהם לא רק מקסים רעיונית אלא גם בר קיימה. בתקווה ובהרבה עבודה עקבית, אולי הם יצליחו לנצח את הסטטיסטיקה. סניור. רבניצקי 4, תל אביב. 077-3034202 |
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Contents Thirty-seventh government of Israel The thirty-seventh government of Israel is the current cabinet of Israel, formed on 29 December 2022, following the Knesset election the previous month. The coalition government currently consists of five parties — Likud, Shas, Otzma Yehudit, Religious Zionist Party and New Hope — and is led by Benjamin Netanyahu, who took office as the prime minister of Israel for the sixth time. The government is widely regarded as the most right-wing government in the country's history, and includes far-right politicians. Several of the government's policy proposals have led to controversies, both within Israel and abroad, with the government's attempts at reforming the judiciary leading to a wave of demonstrations across the country. Following the outbreak of the Gaza war, opposition leader Yair Lapid initiated discussions with Netanyahu on the formation of an emergency government. On 11 October 2023, National Unity MKs Benny Gantz, Gadi Eisenkot, Gideon Sa'ar, Hili Tropper, and Yifat Shasha-Biton joined the Security Cabinet of Israel to form an emergency national unity government. Their accession to the Security Cabinet and to the government (as ministers without portfolio) was approved by the Knesset the following day. Gantz, Netanyahu, and Defense Minister Yoav Gallant became part of the newly formed Israeli war cabinet, with Eisenkot and Ron Dermer serving as observers. National Unity left the government in June 2024. New Hope rejoined the government in September. Otzma Yehudit announced on 19 January 2025 that it had withdrawn from the government, which took effect on 21 January, following the cabinet's acceptance of the three-phase Gaza war ceasefire proposal, though it rejoined two months later. United Torah Judaism left the government in July 2025 over dissatisfaction with the government's draft conscription law. Shas left the government several days later, though it remains part of the coalition. Background The right-wing bloc of parties, led by Benjamin Netanyahu, known in Israel as the national camp, won 64 of the 120 seats in the elections for the Knesset, while the coalition led by the incumbent prime minister Yair Lapid won 51 seats. The new majority has been variously described as the most right-wing government in Israeli history, as well as Israel's most religious government. Shortly after the elections, Lapid conceded to Netanyahu, and congratulated him, wishing him luck "for the sake of the Israeli people". On 15 November, the swearing-in ceremony for the newly elected members of the 25th Knesset was held during the opening session. The vote to appoint a new Speaker of the Knesset, which is usually conducted at the opening session, as well as the swearing in of cabinet members were postponed since ongoing coalition negotiations had not yet resulted in agreement on these positions. Government formation Yair Lapid Yesh Atid Benjamin Netanyahu Likud On 3 November 2022, Netanyahu told his aide Yariv Levin to begin informal coalition talks with allied parties, after 97% of the vote was counted. The leader of the Shas party Aryeh Deri met with Yitzhak Goldknopf, the leader of United Torah Judaism and its Agudat Yisrael faction, on 4 November. The two parties agreed to cooperate as members of the next government. The Degel HaTorah faction of United Torah Judaism stated on 5 November that it will maintain its ideological stance about not seeking any ministerial posts, as per the instruction of its spiritual leader Rabbi Gershon Edelstein, but will seek other senior posts like Knesset committee chairmen and deputy ministers. Netanyahu himself started holding talks on 6 November. He first met with Moshe Gafni, the leader of Degel HaTorah, and then with Goldknopf. Meanwhile, the Religious Zionist Party leader Bezalel Smotrich and the leader of its Otzma Yehudit faction Itamar Ben-Gvir pledged that they would not enter the coalition without the other faction. Gafni later met with Smotrich for coalition talks. Smotrich then met with Netanyahu. On 7 November, Netanyahu met with Ben-Gvir who demanded the Ministry of Public Security with expanded powers for himself and the Ministry of Education or Transport and Road Safety for Yitzhak Wasserlauf. A major demand among all of Netanyahu's allies was that the Knesset be allowed to ignore the rulings of the Supreme Court. Netanyahu met with the Noam faction leader and its sole MK Avi Maoz on 8 November after he threatened to boycott the coalition. He demanded complete control of the Western Wall by the Haredi rabbinate and removal of what he considered as anti-Zionist and anti-Jewish content in schoolbooks. President Isaac Herzog began consultations with heads of all the political parties on 9 November after the election results were certified. During the consultations, he expressed his reservations about Ben-Gvir becoming a member in the next government. Shas met with Likud for coalition talks on 10 November. By 11 November, Netanyahu had secured recommendations from 64 MKs, which constituted a majority. He was given the mandate to form the thirty-seventh government of Israel by President Herzog on 13 November. Otzma Yehudit and Noam officially split from Religious Zionism on 20 November as per a pre-election agreement. On 25 November, Otzma Yehudit and Likud signed a coalition agreement, under which Ben-Gvir will assume the newly created position of National Security Minister, whose powers would be more expansive than that of the Minister of Public Security, including overseeing the Israel Police and the Israel Border Police in the West Bank, as well as giving powers to authorities to shoot thieves stealing from military bases. Yitzhak Wasserlauf was given the Ministry for the Development of the Negev and the Galilee with expanded powers to regulate new West Bank settlements, while separating it from the "Periphery" portfolio, which will be given to Shas. The deal also includes giving the Ministry of Heritage to Amihai Eliyahu, separating it from the "Jerusalem Affairs" portfolio, the chairmanship of the Knesset's Public Security Committee to Zvika Fogel and that of the Special Committee for the Israeli Citizens' Fund to Limor Son Har-Melech, the post of Deputy Economic Minister to Almog Cohen, establishment of a national guard, and expansion of mobilization of reservists in the Border Police. Netanyahu and Maoz signed a coalition agreement on 27 November, under which the latter would become a deputy minister, would head an agency on Jewish identity in the Prime Minister's Office, and would also head Nativ, which processes the aliyah from the former Soviet Union. The agency for Jewish identity would have authority over educational content taught outside the regular curriculum in schools, in addition to the department of the Ministry of Education overseeing external teaching and partnerships, which would bring nonofficial organisations permitted to teach and lecture at schools under its purview. Likud signed a coalition agreement with the Religious Zionist Party on 1 December. Under the deal, Smotrich would serve as the Minister of Finance in rotation with Aryeh Deri, and the party will receive the post of a minister within the Ministry of Defense with control over the departments administering settlement and open lands under the Coordinator of Government Activities in the Territories, in addition to another post of a deputy minister. The deal also includes giving the post of Minister of Aliyah and Integration to Ofir Sofer, the newly created National Missions Ministry to Orit Strook, and the chairmanship of the Knesset's Constitution, Law and Justice Committee to Simcha Rothman. Likud and United Torah Judaism signed a coalition agreement on 6 December, to allow request for an extension to the deadline. Under it, the party would receive the Ministry of Construction and Housing, the chairmanship of the Knesset Finance Committee which will be given to Moshe Gafni, the Ministry of Jerusalem and Tradition (which would replace the Ministry of Jerusalem Affairs and Heritage), in addition to several posts of deputy ministers and chairmanships of Knesset committees. Likud also signed a deal with Shas by 8 December, securing interim coalition agreements with all of their allies. Under the deal, Deri will first serve as the Minister of Interior and Health, before rotating posts with Smotrich after two years. The party will also receive the Ministry of Religious Services and Welfare Ministries, as well as posts of deputy ministers in the Ministry of Education and Interior. The vote to replace then-incumbent Knesset speaker Mickey Levy was scheduled for 13 December, after Likud and its allies secured the necessary number of signatures for it. Yariv Levin of Likud was elected as an interim speaker by 64 votes, while his opponents Merav Ben-Ari of Yesh Atid and Ayman Odeh of Hadash received 45 and five votes respectively. Netanyahu asked Herzog for a 14-day extension after the agreement with Shas to finalise the roles his allied parties would play. Herzog on 9 December extended the deadline to 21 December. On that date, Netanyahu informed Herzog that he had succeeded in forming a coalition, with the new government expected to be sworn in by 2 January 2023. The government was sworn in on 29 December 2022. Timeline Israeli law stated that people convicted of crimes cannot serve in the government. An amendment to that law was made in late 2022, known colloquially as the Deri Law, to allow those who had been convicted without prison time to serve. This allowed Deri to be appointed to the cabinet. Shas leader Aryeh Deri was appointed to be Minister of Health, Minister of the Interior, and Vice Prime Minister in December 2022. He was fired in January 2023, following a Supreme Court decision that his appointment was unreasonable, since he had been convicted of fraud, and had promised not to seek government roles through a plea deal. In March 2023, Defence Minister Yoav Gallant called on the government to delay legislation related to the judicial reform. Prime Minister Netanyahu announced that he had been dismissed from his position, leading to the continuation of mass protests across the country (which had started in January in Tel Aviv). Gallant continued to serve as a minister as he had not received formal notice of dismissal, and two weeks later it was announced that Netanyahu had reversed his decision. Public Safety Minister Itamar Ben-Gvir (Otzma Yehudit leader) and Minister of Justice Yariv Levin (Likud) both threatened to resign if the judicial reform was delayed.[better source needed] After the outbreak of the Gaza war, five members of the National Unity party joined the government as ministers without portfolio, with leader Benny Gantz being made a member of the new Israeli war cabinet (along with Netanyahu and Gallant). As the war progressed, minister of national security Itamar Ben-Gvir threatened to leave the government if the war was ended. A month later in mid December, he again threatened to leave if the war did not maintain "full strength". Gideon Sa'ar stated on 16 March that his New Hope party would resign from the government and join the opposition if Prime Minister Benjamin Netanyahu did not appoint him to the Israeli war cabinet. Netanyahu did not do so, resulting in Sa'ar's New Hope party leaving the government nine days later, reducing the size of the coalition from 76 MKs to 72. Ben-Gvir and Bezalel Smotrich, of the National Religious Party–Religious Zionism party, have indicated that they will withdraw their parties from the government if the January 2025 Gaza war ceasefire is adopted, which would bring down the government. Ben-Gvir announced on 5 June that the members of his party would be allowed to vote as they wish, though his party resumed support on 9 June. On 18 May, Gantz set an 8 June deadline for withdrawal from the coalition, which was delayed by a day following the 2024 Nuseirat rescue operation. Gantz and his party left the government on 9 June, giving the government 64 seats in the Knesset. Sa'ar and his New Hope party rejoined the Netanyahu government on 30 September, increasing the number of seats held by the government to 68. The High Court of Justice ruled on 28 March 2024 that yeshiva funds would no longer be available for students who are "eligible for enlistment", effectively allowing ultra-Orthodox Jews to be drafted into the IDF. Attorney general Gali Baharav-Miara indicated on 31 March that the conscription process must begin on 1 April. The court ruled on 25 June that the IDF must begin to draft yeshiva students. Likud announced on 7 July that it would not put forward any legislation after Shas and United Torah Judaism said that they would boycott the plenary session over the lack of legislation dealing with the Haredi draft. The Ultra-Orthodox boycott continued for a second day, with UTJ briefly ending its boycott on 9 July to unsuccessfully vote in favor of a bill which would have weakened the Law of Return. Yuli Edelstein, who was replaced by Boaz Bismuth on the Foreign Affairs and Defense Committee in early August, published a draft version of the conscription law shortly before his ouster. Bismuth cancelled the work on the draft law in September 2025, which Edelstein called "a shame." Bismuth released the official version of the draft law in late November 2025. It weakened penalties for draft evaders, with Edelstein saying it was "the exact opposite" of the bill which he attempted to pass. Members of Otzma Yehudit resigned from the government on 19 January 2025 over the January 2025 Gaza war ceasefire, which took effect on 21 January. The members rejoined in March, following the "resumption" of the war in Gaza. Avi Maoz of the Noam party left the government in March 2025. On 4 June 2025, senior rabbis for United Torah Judaism Dov Lando and Moshe Hillel Hirsch instructed the party's MKs to pass a bill which would dissolve the Knesset. Yesh Atid, Yisrael Beytenu and The Democrats announced that they will "submit a bill" for dissolution on 11 June, with Yesh Atid tabling the bill on 4 June. There were also reports that Shas would vote in favor of Knesset dissolution amidst division within the governing coalition on Haredi conscription. This jeopardized the coalition's majority and would have triggered new elections if the bill passed. The following day, Agudat Yisrael, one of the United Torah Judaism factions, confirmed that it would submit a bill to dissolve the Knesset. Asher Medina, a Shas spokesman, indicated on 9 June that the party would vote in favor of a preliminary bill to dissolve the Knesset. The rabbis of Degel HaTorah instructed the parties' MKs on 12 June 2025 to oppose the dissolution of the Knesset, which was followed by Yuli Edelstein and the Shas and Degel HaTorah parties announcing that a deal had been reached, with "rabbinical leaders" telling their parties to delay the dissolution vote by a week. Shas and Degel HaTorah voted against the dissolution bill, which led to the bill failing its preliminary reading in a vote of 61 against and 53 in favor. MKs Ya'akov Tessler and Moshe Roth of Agudat Yisrael voted in favor of dissolution. Another dissolution bill will be unable to be brought forward for six months. If the bill had passed its preliminary reading, in addition to three more readings, an election would have been held in approximately three months; The Jerusalem Post posited it would have been held in October. Degel HaTorah announced on 14 July 2025 that it would leave the government because members of the party were dissatisfied after viewing the proposed draft bill by Yuli Edelstein regarding Haredi exemptions from the Israeli draft. Several hours later, Agudat Yisrael announced that it would also leave the government. Deputy Transportation Minister Uri Maklev, Moshe Gafni, the head of the Knesset Finance Committee, Ya'akov Asher, the head of the Knesset Interior and Environment Protection Committee and Jerusalem Affairs minister Meir Porush all submitted their resignations, with their resignations taking effect in 48 hours. Sports Minister Ya'akov Tessler and "Special Committee for Public Petitions Chair" Yitzhak Pindrus also submitted resignations. Yisrael Eichler submitted his resignation as the "head of the Knesset Labor and Welfare Committee" the same day. The resignations will leave Netanyahu's government with a 60-seat majority in the Knesset, as Avi Maoz, of the Noam party, left the government in March 2025. Despite Edelstein's ouster in August, a spokesman for UTJ head Yitzhak Goldknopf remarked that it would not change the faction's withdrawal from the government. The religious council for Shas, called the Moetzet Chachmei HaTorah, instructed the party on 16 July to leave the government, but stay in the coalition. The following day, various cabinet ministers submitted their resignations, including "Interior Minister Moshe Arbel, Social Affairs Minister Ya'akov Margi and Religious Services Minister Michael Malchieli." Malchieli reportedly has postponed his resignation so he could attend a 20 July meeting of the panel investigating whether attorney general Gali Baharav-Miara should be dismissed. Deputy Minister of Agriculture Moshe Abutbul, Minister of Health Uriel Buso and Haim Biton, a minister in the Education Ministry, also submitted their resignation letters, while Arbel retracted his resignation letter. The last cabinet member from the party to submit it was Labor Minister Yoav Ben-Tzur. The ministers who resigned will return to the Knesset, replacing MKs Moshe Roth, Yitzhak Pindrus and Eliyahu Baruchi. Members of government Listed below are the current ministers in the government: Principles and priorities According to the agreements signed between Likud and each of its coalition partners, and the incoming government's published guideline principles, its stated priorities are to combat the cost of living, further centralize Orthodox control over the state religious services, pass judicial reforms which include legislation to reduce judicial controls on executive and legislative power, expand settlements in the West Bank, and consider an annexation of the West Bank. Before the vote of confidence in his new government in the Knesset, Netanyahu presented three top priorities for the new government: internal security and governance, halting the nuclear program of Iran, and the development of infrastructure, with a focus on further connecting the center of the country with its periphery. Policies The government's flagship program, centered around reforms in the judicial branch, drew widespread criticism. Critics said it would have negative effects on the separation of powers, the office of the Attorney General, the economy, public health, women and minorities, workers' rights, scientific research, the overall strength of Israel's democracy and its foreign relations. After weeks of public protests on Israel's streets, joined by a growing number of military reservists, Minister of Defense Yoav Gallant spoke against the reform on 25 March, calling for a halt of the legislative process "for the sake of Israel's security". The next day, Netanyahu announced that he would be removed from his post, sparking another wave of protest across Israel and ultimately leading to Netanyahu agreeing to pause the legislation. On 10 April, Netanyahu announced that Gallant would keep his post. On 27 March 2023, after the public protests and general strikes, Netanyahu announced a pause in the reform process to allow for dialogue with opposition parties. However, negotiations aimed at reaching a compromise collapsed in June, and the government resumed its plans to unilaterally pass parts of the legislation. On 24 July 2023, the Knesset passed a bill that curbs the power of the Supreme Court to declare government decisions unreasonable; on 1 January 2024, the Supreme Court struck the bill down. The Knesset passed a "watered-down" version of the judicial reform package in late March 2025 which "changes the composition" of the judicial selection committee. In December 2022 Minister of National Security Itamar Ben-Gvir sought to amend the law that regulates the operations of the Israel Police, such that the ministry will have more direct control of its forces and policies, including its investigative priorities. Attorney General Gali Baharav-Miara objected to the draft proposal, raising concerns that the law would enable the politicization of police work, and the draft was amended to partially address those concerns. Nevertheless, in March 2023 Deputy Attorney General Gil Limon stated that the Attorney General's fears had been realized, referring to several instances of ministerial involvement in the day-to-day work of the otherwise independent police force – statements that were repeated by the Attorney General herself two days later. Separately, Police Commissioner Kobi Shabtai instructed Deputy Commissioners to avoid direct communication with the minister, later stating that "the Israel Police will remain apolitical, and act only according to law". Following appeals by the Association for Civil Rights in Israel and the Movement for Quality Government in Israel, the High Court of Justice instructed Ben-Gvir "to refrain from giving operational directions to the police... [especially] as regards to protests and demonstrations against the government." As talks of halting the judicial reform gained wind during March 2023, Minister of National Security Itamar Ben-Gvir threatened to resign if the legislation implementing the changes was suspended. To appease Ben-Gvir, Prime Minister Netanyahu announced that the government would promote the creation of a new National Guard, to be headed by Ben-Gvir. On 29 March, thousands of Israelis demonstrated in Tel Aviv, Haifa and Jerusalem against this decision. On 1 April, the New York Times quoted Gadeer Nicola, head of the Arab department at the Association for Civil Rights in Israel, as saying "If this thing passes, it will be an imminent danger to the rights of Arab citizens in this country. This will create two separate systems of applying the law. The regular police which will operate against Jewish citizens — and a militarized militia to deal only with Arab citizens." The same day, while speaking on Israel's Channel 13 about those whom he'd like to see enlist in the National Guard, Ben-Gvir specifically mentioned La Familia, the far-right fan club of the Beitar Jerusalem soccer team. On 2 April, Israel's cabinet approved the establishment of a law enforcement body that would operate independently of the police, under Ben-Gvir's authority. According to the decision, the Minister was to establish a committee chaired by the Director General of the Ministry of National Security, with representatives of the ministries of defense, justice and finance, as well as the police and the IDF, to outline the operations of the new organization. The committee's recommendations will be submitted to the government for consideration. Addressing a conference on 4 April, Police Commissioner Kobi Shabtai said that he is not opposed to the establishment of a security body which would answer to the police, but "a separate body? Absolutely not." The police chief said he had warned Ben-Gvir that the establishment of a security body separate from the police is "unnecessary, with extremely high costs that may harm citizens' personal security." During a press conference on 10 April, Prime Minister Netanyahu said, in what has been seen by some news outlets as a concession to the protesters, that "This will not be anyone's militia, it will be a security body, orderly, professional, that will be subordinate to one of the [existing] security bodies." The committee established by the government recommended the government to order the establishment of the National Guard immediately while allocating budgets. The National Guard, under whose command will be a superintendent of the police, will not be subordinate to Ben-Gvir. It will be subordinate to the police commissioner and will be part of Israel Border Police. The Ministry of Defense and Finance opposed the conclusions. The Israeli National Security Council called for further discussion on this. The coalition's efforts to expand the purview of Rabbinical courts; force some organizations, such as hospitals, to enforce certain religious practices; amend the Law Prohibiting Discrimination to allow gender segregation and discrimination on the grounds of religious belief; expand funding for religious causes; and put into law the exemption of yeshiva and kolel students from conscription have drawn criticism. According to the Haaretz op-ed of 7 March 2023, "the current coalition is interested... in modifying the public space so it suits the religious lifestyle. The legal coup is meant to castrate anyone who can prevent it, most of all the HCJ." Several banks and institutional investors, including the Israel Discount Bank and AIG have committed to avoid investing in, or providing credit to any organization that will discriminate against others on ground of religion, race, gender or sexual orientation. A series of technology companies and investment firms including Wiz, Intel Israel, Salesforce and Microsoft Israel Research and Development, have criticized the proposed changes to the Law Prohibiting Discrimination, with Wiz stating that it will require its suppliers to commit to preventing discrimination. Over sixty prominent law firms pledged that they will neither represent, nor do business with discriminating individuals and organizations. Insight Partners, a major private equity fund operating in Israel, released a statement warning against intolerance and any attempt to harm personal liberties. Orit Lahav, chief executive of the women's rights organization Mavoi Satum ("Dead End"), said that "the Rabbinical courts are the most discriminatory institution in the State of Israel... Limiting the HCJ[d] while expanding the jurisdiction of the Rabbinical courts would... cause significant harm to women." Anat Thon Ashkenazy, Director of the Center for Democratic Values and Institutions at the Israel Democracy Institute, said that "almost every part of the reform could harm women... the meaning of an override clause is that even if the court says that the law on gender segregation is illegitimate, is harmful, the Knesset could say 'Okay, we say otherwise'". She added that "there is a very broad institutional framework here, after which there will come legislation that harms women's right and we will have no way of protecting or stopping it." During July 2023, 20 professional medical associations signed a letter of position warning against the ramifications to public health that would result from the exclusion of women from the public sphere. They cited, among others, a rise in prevalence of risk factors for cardiovascular disease, pregnancy-related ailments, psychological distress, and the risk of suicide. On 30 July the Knesset passed an amendment to penal law adding sexual offenses to those offenses whose penalty can be doubled if done on grounds of "nationalistic terrorism, racism or hostility towards a certain community". According to MK Limor Son Har-Melech, the bill is meant to penalize any individual who "[intends to] harm a woman sexually based on her Jewishness". The law was criticized by MK Gilad Kariv as "populist, nationalistic, and dangerous towards the Arab citizens of Israel", and by MK Ahmad Tibi as a "race law", and was objected to by legal advisors at the Ministry of Justice and the Knesset Committee on National Security. Activist Orit Kamir wrote that "the amendment... is neither feminist, equal, nor progressive, but the opposite: it subordinates women's sexuality to the nationalistic, racist patriarchy. It hijacks the Law for Prevention of Sexual Harassment to serve a world view that tags women as sexual objects that personify the nation's honor." Yael Sherer, director of the Lobby to Combat Sexual Violence, criticized the law as being informed by dated ideas about sexual assault, and proposed that MKs "dedicate a session... to give victims of sexual assault an opportunity to come out of the darkness... instead of [submitting] declarative bills that change nothing and are not meant but for grabbing headlines". In Israel, during 2022, 24 women "were murdered because they were women," which was an increase of 50% compared to 2021. A law permitting courts to order men subject to a restraining order following domestic violence offenses to wear electronic tags was drafted during the previous Knesset and had passed its first reading unanimously. On 22 March 2023, the Knesset voted to reject the bill. It had been urged to do so by National Security Minister Itamar Ben-Gvir, who said that the bill was unfair to men. Earlier in the week, Ben-Gvir had blocked the measure from advancing in the ministerial legislative committee. The MKs voting against the bill included Prime Minister Netanyahu. The Association of Families of Murder Victims said that by rejecting the law, National Security Minister Itamar Ben-Gvir "brings joy to violent men and abandons the women threatened with murder… unsupervised restraining orders endanger women's lives even more. They give women the illusion of being protected, and then they are murdered." MK Pnina Tamano-Shata, chairwoman of the Knesset Committee on the Status of Women and Gender Equality, said that "the coalition proved today that it despises women's lives." The NGO Amutat Bat Melech [he], which assists Orthodox and ultra-Orthodox women who suffer from domestic violence, said that: "Rejecting the electronic bracelet bill is disconnected from the terrible reality of seven femicides since the beginning of the year. This is an effective tool of the first degree that could have saved lives and reduced the threat to women suffering from domestic violence. This is a matter of life and death, whose whole purpose is to provide a solution to defend women." The agreement signed by the coalition parties includes the setting up of a committee to draft changes to the Law of Return. Israeli religious parties have long demanded that the "grandchild clause" of the Law of Return be cancelled. This clause grants citizenship to anyone with at least one Jewish grandparent, as long as they do not practice another religion. If the grandchild clause were to be removed from the Law of Return then around 3 million people who are currently eligible for aliyah would no longer be eligible. The heads of the Jewish Agency, the Jewish Federations of North America, the World Zionist Organization and Keren Hayesod sent a joint letter to Prime Minister Netanyahu, expressing their "deep concern" about any changes to the Law of Return, adding that "Any change in the delicate and sensitive status quo on issues such as the Law of Return or conversion could threaten to unravel the ties between us and keep us away from each other." The Executive Council of Australian Jewry and the Zionist Federation of Australia issued a joint statement saying "We… view with deep concern… proposals in relation to religious pluralism and the law of return that risk damaging Israel's… relationship with Diaspora Jewry." On 19 March 2023, Israeli Finance Minister Bezalel Smotrich spoke in Paris at a memorial service for a Likud activist. The lectern at which Smotrich spoke was covered with a flag depicting the 'Greater Land of Israel,' encompassing the whole of Mandatory Palestine, as well as Trans-Jordan. During his speech, Smotrich said that "there's no such thing as Palestinians because there's no such thing as a Palestinian people." He added that the Palestinian people are a fictitious nation invented only to fight the Zionist movement, asking "Is there a Palestinian history or culture? There isn't any." The event received widespread media coverage. On 21 March, a spokesman for the US State Department sharply criticized Smotrich's comments. "The comments, which were delivered at a podium adorned with an inaccurate and provocative map, are offensive, they are deeply concerning, and, candidly, they're dangerous. The Palestinians have a rich history and culture, and the United States greatly values our partnership with the Palestinian people," he said. The Jordanian Foreign Ministry also voiced disapproval: "The Israeli Minister of Finance's use, during his participation in an event held yesterday in Paris, of a map of Israel that includes the borders of the Hashemite Kingdom of Jordan and the occupied Palestinian territories represents a reckless inflammatory act, and a violation of international norms and the Jordanian-Israeli peace treaty." Additionally, a map encompassing Mandatory Palestine and Trans-Jordan with a Jordanian flag on it was placed on a central lectern in the Jordanian Parliament. Jordan's parliament voted to expel the Israeli ambassador. Israel's Ministry of Foreign Affairs released a clarification relating to the matter, stating that "Israel is committed to the 1994 peace agreement with Jordan. There has been no change in the position of the State of Israel, which recognizes the territorial integrity of the Hashemite Kingdom of Jordan". Ahead of a Europe Day event due to take place on 9 May 2023, far-right wing National Security Minister Itamar Ben-Gvir was assigned as a representative of the government and a speaker at the event by the government secretariat, which deals with placing ministers at receptions on the occasion of the national days of the foreign embassies. The European Union requested that Ben-Gvir not attend, but the government did not make changes to the plan. On 8 May, the European delegation to Israel cancelled the reception, stating that: "The EU Delegation to Israel is looking forward to celebrating Europe Day on May 9, as it does every year. Regrettably, this year we have decided to cancel the diplomatic reception, as we do not want to offer a platform to someone whose views contradict the values the European Union stands for. However, the Europe Day cultural event for the Israeli public will be maintained to celebrate with our friends and partners in Israel the strong and constructive bilateral relationship". Israel's Opposition Leader Yair Lapid stated: "Sending Itamar Ben-Gvir to a gathering of EU ambassadors is a serious professional mistake. The government is embarrassing a large group of friendly countries, jeopardizing future votes in international institutions, and damaging our foreign relations. Last year, after a decade of efforts, we succeeded in signing an economic-political agreement with the European Union that will contribute to the Israeli economy and our foreign relations. Why risk it, and for what? Ben-Gvir is not a legitimate person in the international community (and not really in Israel either), and sometimes you have to be both wise and just and simply send someone else". On 23 February 2023, Defense Minister Gallant signed an agreement assigning governmental powers in the West Bank to a body to be headed by Minister Bezalel Smotrich, who will effectively become the governor of the West Bank, controlling almost all areas of life in the area, including planning, building and infrastructure. Israeli governments have hitherto been careful to keep the occupation as a military government. The temporary holding of power by an occupying military force, pending a negotiated settlement, is a principle of international law – an expression of the prohibition against obtaining sovereignty through conquest that was introduced in the wake of World War II. An editorial in Haaretz noted that the assignment of governmental powers in the West Bank to a civilian governor, alongside the plan to expand the dual justice system so that Israeli law will apply fully to settlers in the West Bank, constitutes de jure annexation of the West Bank. On 26 February 2023, following the 2023 Huwara shooting in which two Israelis were killed by an unidentified attacker, hundreds of Israeli settlers attacked the Palestinian town of Huwara and three nearby villages, setting alight hundreds of Palestinian homes (some with people in them), businesses, a school, and numerous vehicles, killing one Palestinian man and injuring 100 others. Bezalel Smotrich subsequently called on Twitter for Huwara to be "wiped out" by the Israeli government. Zvika Fogel MK, of the ultra-nationalist Otzma Yehudit, which forms part of the governing coalition, said that he "looks very favorably upon" the results of the rampage. Members of the coalition proposed an amendment to the Disengagement Law, which would allow Israelis to resettle settlements vacated during the 2005 Israeli disengagement from Gaza and the northern West Bank. The evacuated settlements were considered illegal under international law, according to most countries. The proposal was approved for voting by the Foreign Affairs and Defense Committee on 9 March 2023, while the committee was still waiting for briefing materials from the NSS, IDF, MFA and Shin Bet, and was passed on 21 March. The US has requested clarification from Israeli ambassador Michael Herzog. A US State Department spokesman stated that "The U.S. strongly urges Israel to refrain from allowing the return of settlers to the area covered by the legislation, consistent with both former Prime Minister Sharon and the current Israeli Government's commitment to the United States," noting that the actions represent a clear violation of undertakings given by the Sharon government to the Bush administration in 2005 and Netanyahu's far-right coalition to the Biden administration the previous week. Minister of Communication Shlomo Karhi had initially intended to cut the funding of the Israeli Public Broadcasting Corporation (also known by its blanket branding Kan) by 400 million shekels – roughly half of its total budget – closing several departments, and privatizing content creation. In response, the Director-General of the European Broadcasting Union, Noel Curran, sent two urgent letters to Netanyahu, expressing his concerns and calling on the Israeli government to "safeguard the independence of our Member KAN and ensure it is allowed to operate in a sustainable way, with funding that is both stable, adequate, fair, and transparent." On 25 January 2023, nine journalist organizations representing some of Kan's competitors issued a statement of concern, acknowledging the "important contribution of public broadcasting in creating a worthy, unbiased and non-prejudicial journalistic platform", and noting that "the existence of the [broadcasting] corporation as a substantial public broadcast organization strengthens media as a whole, adding to the competition in the market rather than weakening it." They also expressed their concern that the "real reason" for the proposal was actually "an attempt to silence voices from which... [the Minister] doesn't always draw satisfaction". The same day, hundreds of journalists, actors and filmmakers protested in Tel Aviv. The proposal was eventually put on hold. On 22 February 2023 it was reported that Prime Minister Netanyahu was attempting to appoint his close associate Yossi Shelley as the deputy to the National Statistician — a highly sensitive position in charge of providing accurate data for decision makers. The appointment of Shelley, who did not possess the required qualifications for the role, was withdrawn following publication. In its daily editorial, Haaretz tied this attempt with the judicial reform: "once they take control of the judiciary, law enforcement and public media, they wish to control the state's data base, the dry numerical data it uses to plan its future". Netanyahu also proposed Avi Simhon for the role, and eventually froze all appointments at the Israel Central Bureau of Statistics. Also on 22 February 2023, it was revealed that Yoav Kish, the Minister of Education, was promoting a draft government decision change to the National Library of Israel board of directors which would grant him more power over the institution. In response, the Hebrew University — which owned the library until 2008 – announced that if the draft is accepted, it will withdraw its collections from the library. The university's collections, which according to the university constitute some 80% of the library's collection, include the Agnon archive, the original manuscript of Hatikvah, and the Rothschild Haggadah, the oldest known Haggadah. A group of 300 authors and poets signed an open letter against the move, further noting their objection against "political takeover" of public broadcasting, as well as "any legislation that will castrate the judiciary and damage the democratic foundations of the state of Israel". Several days later, it was reported that a series of donors decided to withhold their donations to the library, totaling some 80 million shekels. On 3 March a petition against the move by 1,500 academics, including Israel Prize laureates, was sent to Kish. The proposal has been seen by some as retribution against Shai Nitzan, the former State Attorney and the library's current rector. On 5 March it was reported that the Legal Advisor to the Ministry of Finance, Asi Messing, was withholding the proposal. According to Messing, the proposal – which was being promoted as part of the Economic Arrangements Law – "was not reviewed... by the qualified personnel in the Ministry of Finance, does not align with any of the common goals of the economic plan, was not agreed to by myself and was not approved by the Attorney General." As of February 2023, the government has been debating several proposals that will significantly weaken the Ministry of Environmental Protection, including reducing the environmental regulation of planning and development and electricity production. One of the main proposals, the transferal of a 3 billion shekel fund meant to finance waste management plants from the Ministry of Environmental Protection to the Ministry of the Interior, was eventually withdrawn. The Minister of Environmental Protection, Idit Silman, has been criticized for using for meeting with climate change denialists, for wasteful and personally-motivated travel on the ministry's expense, for politicizing the role, and for engaging in political activity on the ministry's time. The government has been noted for an unusually high number of dismissals and resignations of senior career civil servants, and for the frequent attempts to replace them with candidates with known political associations, who are often less competent. According to sources, Netanyahu and people in his vicinity are seeking out civil servants who were appointed by the previous government, intent on replacing them with people loyal to him. Governmental nominees for various positions have been criticized for lack of expertise. In addition to the nominee to the position of Deputy National Statistician (see above), the Director General of the Ministry of Finance, Shlomi Heisler; the Director General of the Ministry of Justice, Itamar Donenfeld; and the Director General of Ministry of Transport, Moshe Ben Zaken, have all been criticized for incompetence, lack of familiarity with their Ministries' subject matter, lack of interest in the job, or lack of experience in managing large organizations. It has been reported that in some ministries, senior officials were enacting slowdowns as a means for dealing with the new ministers and director generals. On 28 July the director general of the Ministry of Education resigned, citing as reason the societal "rift". Asaf Zalel, a retired Air Force Brigadier General, was appointed in January. When asked about attempts to appoint his personal friend and attorney to the board of directors of a state-owned company, Minister David Amsalem replied: "that is my job, due to my authority to appoint directors. I put forward people that I know and hold in esteem". Under Minister of Transport Miri Regev, the ministry has either dismissed or lost the heads of the National Public Transport Authority, Israel Airports Authority, National Road Safety Authority, Israel Railways, and several officials in Netivei Israel. The current chair of Netivei Israel is Likud member and Regev associate Yigal Amadi, and the legal counsel is Einav Abuhzira, daughter of a former Likud branch chair. Abuhzira was appointed instead of Elad Berdugo, nephew of Netanyahu surrogate Yaakov Bardugo, after he was disqualified for the role by the Israel Government Companies Authority. In July 2023 the Ministry of Communications, Shlomo Karhi, and the minister in charge of the Israel Government Companies Authority, Dudi Amsalem, deposed the chair of the Israel Postal Company, Michael Vaknin. The chair, who was hired to lead the company's financial recovery after years of operational loss and towards privatization, has gained the support of officials at the Authority and at the Ministry of Finance; nevertheless, the ministers claimed that his performance is inadequate, and nominated in his place Yiftah Ron-Tal, who has known ties to Netanyahu and Smotrich. They also nominated four new directors, two of which have known political associations, and a third who was a witness in Netanyahu's trial. The coalition is allowed to spend a portion of the state's budget on a discretionary basis, meant to coax member parties to reach an agreement on the budget. As of May 2023, the government was pushing an allocation of over 13 billion shekels over two years - almost seven times the amount allocated by the previous government. Most of the funds will be allocated for uses associated with the religious, orthodox and settler communities. The head of the Budget Department at the Ministry of Finance, Yoav Gardos, objected to the allocations, claiming they would exacerbate unemployment in the Orthodox community, which is projected to cost the economy a total of 6.7 trillion shekels in lost produce by 2065. At the onset of the Gaza war and the declaration of a state of national emergency, Minister of Finance Bezalel Smotrich instructed government agencies to continue with the planned distribution of discretionary funds. Corruption During March 2023, the government was promoting an amendment to the Law on Public Service (Gifts) that would allow Netanyahu to receive donations to fund his legal defense. The amendment follows a decision by the High Court of Justice (HCJ) that forced Netanyahu to refund US$270,000 given to him and his wife by his late cousin, Nathan Mileikowsky, for their legal defense. This is in contrast to past statements by Minister of Justice Yariv Levin, who spoke against the possible conflict of interests that can result from such transactions. The bill was opposed by the Attorney General Gali Baharav-Miara, who stressed that it could "create a real opportunity for governmental corruption", and was eventually withdrawn at the end of March. As of March 2023, the coalition was promoting a bill that would prevent judicial review of ministerial appointments. The bill is intended to prevent the HCJ from reviewing the appointment of the twice-convicted chairman of Shas, Aryeh Deri (convicted of bribery, fraud, and breach of trust), to a ministerial position, after his previous appointment was annulled on grounds of unreasonableness. The bill follows on the heels of another amendment, that relaxed the ban on the appointment of convicted criminals, so that Deri - who was handed a suspended sentence after his second conviction - could be appointed. The bill is opposed by the Attorney General, as well as by the Knesset Legal Adviser, Sagit Afik. Israeli law allows for declaring a Prime Minister (as well as several other high-ranking public officials) to be temporarily or permanently incapacitated, but does not specify the conditions which can lead to a declaration of incapacitation. In the case of the Prime Minister, the authority to do so is given to the Attorney General. In March 2023, the coalition advanced a bill that passes this authority from the Attorney General to the government with the approval of the Knesset committee, and clarified that incapacitation can only result from medical or mental conditions. On 3 January 2024, the Supreme Court ruled by a majority of 6 out of 11 that the validity of the law will be postponed to the next Knesset because the bill in its immediate application is a personal law and is intended to serve a distinct personal purpose. Later, the court rejected a petition regarding the definition of Netanyahu as an incapacitated prime minister due to his ongoing trial and conflict of interests. Notes References External links |
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Contents Occupied Enemy Territory Administration The Occupied Enemy Territory Administration (OETA) was a joint British, French and Arab military administration over the Levantine provinces – which had been part of the Ottoman Empire for four centuries – between 1918 and 1920, set up on 23 October 1918 following the Sinai and Palestine Campaign and Arab Revolt of World War I. Although it was declared by the British military, who were in control of the region, it was preceded on 30 September 1918 by the 1918 Anglo-French Modus Vivendi, in which it was agreed that the British would give the French control in certain areas, and the Hashemites were given joint control of the Eastern area per T. E. Lawrence's November 1918 "Sharifian plan". Following the occupation of the Adana Vilayet (the region of Cilicia) in December 1918, a new territory, OETA North, was set up. The administration ended in OETA West and OETA South in 1920, following the assignment of the Mandate for Syria and the Lebanon and British Mandate for Palestine at the 19–26 April 1920 San Remo conference. In OETA East, British administration ended following the withdrawal of British forces from the territory in November 1919, and the subsequent declaration of the Arab Kingdom of Syria over the same area. The area was split into two after the French defeated King Faisal in July 1920; the northern part of the territory was combined with the French-administered OETA West, and the southern part became a no man's land and later became the Emirate of Transjordan. Due to the success of the Turkish War of Independence, Marash, Aintab and Urfa sanjaks of former Aleppo Vilayet remained part of Turkey after 1921. Also, the Antakya and İskenderun kazas of Aleppo Sanjak were collectively detached as the Republic of Hatay in 1938; which was then annexed by Turkey after a disputed referendum in 1939. History On 23 October 1918, following the British and Arab forces' defeat of the Ottoman Empire, Field Marshal Edmund Allenby announced that Ottoman Syria was to be split into three administrative sub-units, which varied very little from the previous Ottoman divisions: In December 1918, following the occupation of the region of Cilicia, a new territory was set up. Under this administration the immediate needs of the people were provided for, seed grain and live-stock were imported and distributed, finance on easy terms was made available through the Army bankers, a stable currency was set up and postal services restored. Allenby insisted that as long as military administration was required, it was to remain his responsibility. Military administrators The area was divided into four districts: Jerusalem, Jaffa, Majdal and Beersheba, each under a military governor. Both of the first two British administrators, Generals Money and Watson, were removed by London for not favouring the Zionists over the Arabs; when the OETA administration ended, Liberal party politician (and former British Home Secretary) Herbert Samuel was installed as the first civilian administrator. Samuel recorded his acceptance of the role, and the end of military administration, in an often-quoted document: "Received from Major-General Sir Louis J. Bols K.C.B.—One Palestine, complete." OETA East was a joint Arab-British military administration. The Arab and British armies entered Damascus on 1 October 1918, and on 3 October 1918 Ali Rida al-Rikabi was appointed Military Governor of OETA East. Prince Faisal son of King Hussain of Mecca entered Damascus as on 4 October and appointed Rikabi Chief of the Council of Directors (i.e. prime minister) of Syria. The boundary definition of OETA East left uncertainties to the south and east, leading to competing claims from the Kingdom of Hejaz and Occupied Iraq respectively – see Occupation of Ma'an and Occupation of Zor for further details. Initiation and administration The OETA was established on 23 October 1918, under the accepted rules of military occupation, and defined as follows: The three areas and their Chief Administrators are : - 2. The system of administration will be in accordance with the Laws and Usages of War as laid down in Ch. XIV, S.8, Manual of Military Law. Departures from these principles will not be permitted except with the approval of the Commander-in-Chief. As far as possible the Turkish system of government will be continued, and the existing machinery of government will be utilized. 3. The Administration will be required to provide for all necessary government services, and the extent to which these services can be developed, during the state of war, is left to the discretion of the Chief Administrator concerned. 4. As far as possible it is desired to retain Turkish administrative areas, and in this way to utilise existing Turkish records. 5. The Administration of the Ottoman Public Debt will be permitted to continue its functions, subject to the general control of the Chief Administrator. 6. The Régie Tobacco Monopoly will likewise continue its functions under similar conditions. 7. Chief Administrators will communicate with the Commander-in-Chief through the Deputy-Adjutant General, G.H.Q., to whom all reports will be addressed. 8. Chief Administrators will submit reports on the general situation in their areas, by 15th of each month. Disestablishment The OETA administrations were disestablished at different times in each of the regions, following the formal appointment of civil administrations (prior to the formal coming into force of the mandates): See also References Bibliography |
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Contents List of cities by GDP This is a list of cities in the world by nominal gross domestic product (GDP). The United Nations uses three definitions for what constitutes a city, as not all cities may be classified using the same criteria. Cities may be defined as the cities proper, by the extent of their urban area, or their metropolitan regions. The methodology of calculating GDP may differ between the studies and are widely based on projections and sometimes approximate estimations, notably for cities that are not within the OECD. Refer to sources for more information. GDP for cities that have different sources might not be comparable as the definition of a city differs between them. List 60.282 (2023) 243.793 (2022) Cities (metropolitan areas) by percentage of national GDP This table contains only the first metropolitan area from a given country by GDP. Data for metropolitan areas is as in the previous section of this article. Data for countries is from List of countries by GDP (nominal) (IMF). Luxembourg City-Trier is partially in France but only Luxembourg's national GDP is considered. See also Notes References |
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[SOURCE: https://en.wikipedia.org/wiki/Sephardi_Jews] | [TOKENS: 20533] |
Contents Sephardic Jews Sephardic Jews,[a] also known as Sephardi Jews or Sephardim,[b] and rarely as Iberian Peninsular Jews, are a Jewish diaspora population associated with the historic Jewish communities of the Iberian Peninsula (Spain and Portugal) and their descendants. The term "Sephardic" comes from Sepharad, the Hebrew word for Iberia. These communities flourished for centuries in Iberia until they were expelled in the late 15th century. Over time, "Sephardic" has also come to refer more broadly to Jews, particularly in the Middle East and North Africa, who adopted Sephardic religious customs and legal traditions, often due to the influence of exiles. In some cases, Ashkenazi Jews who settled in Sephardic communities and adopted their liturgy are also included under this term. Today, Sephardic Jews form a major component of the global Jewish population, with the largest population living in Israel. The earliest documented Jewish presence in the Iberian Peninsula dates to the Roman period, beginning in the first centuries CE. After facing persecution under the Pagan and later Christian Visigothic Kingdom, Jewish communities flourished for centuries under Muslim rule in Al-Andalus following the Umayyad conquest (711–720s), a period often seen as a golden age. Their status declined under the radical Almoravid and Almohad dynasties and during the Christian Reconquista. In 1391, anti-Jewish riots in Castile and Aragon led to massacres and mass forced conversions. In 1492, the Alhambra Decree by the Catholic Monarchs expelled Jews from Spain, and in 1496, King Manuel I of Portugal issued a similar edict. These events led to migrations, forced conversions, and executions. Sephardic Jews dispersed widely: many found refuge in the Ottoman Empire, settling in cities such as Istanbul, Salonica, and İzmir; others relocated to North African centers like Fez, Algiers, and Tunis; Italian ports including Venice and Livorno; and parts of the Balkans, the Levant (notably Safed), and the Netherlands (notably Amsterdam). Smaller communities also emerged in France, England, and the Americas, where Sephardim often played key roles in commerce and diplomacy. Historically, the vernacular languages of the Sephardic Jews and their descendants have been variants of either Spanish, Portuguese, or Catalan, though they have also adopted and adapted other languages. The historical forms of Spanish that differing Sephardic communities spoke communally were related to the date of their departure from Iberia and their status at that time as either New Christians or Jews. Judaeo-Spanish and Judaeo-Portuguese, also called Ladino, is a Romance language derived from Old Spanish and Old Portuguese that was spoken by the eastern Sephardic Jews who settled in the Eastern Mediterranean after their expulsion from Spain in 1492; Haketia (also known as "Tetuani Ladino" in Algeria), an Arabic-influenced variety of Judaeo-Spanish, was spoken by North African Sephardic Jews who settled in the region after the 1492 Spanish expulsion. In 2015, more than five centuries after the expulsion, both Spain and Portugal enacted laws allowing Sephardic Jews who could prove their ancestral origins in those countries to apply for citizenship. The Spanish law that offered citizenship to descendants of Sephardic Jews expired in 2019, although subsequent extensions were granted by the Spanish government —due to the COVID-19 pandemic— in order to file pending documents and sign delayed declarations before a notary public in Spain. In the case of Portugal, the nationality law was modified in 2022 with very stringent requirements for new Sephardic applicants, effectively ending the possibility of successful applications without evidence of a personal travel history to Portugal —which is tantamount to prior permanent residency— or ownership of inherited property or concerns on Portuguese soil. Etymology The name Sephardi means "Iberian" or "Hispanic", derived from Sepharad (Hebrew: סְפָרַד, Modern: Sfarád, Tiberian: Səp̄āráḏ), a Biblical location. The location of the Biblical Sepharad points to the Iberian peninsula, then the westernmost outpost of Phoenician maritime trade. Jewish presence in Iberia is believed to have started during the reign of King Solomon, whose excise imposed taxes on Iberian exiles. Although the first date of arrival of Jews in Iberia is the subject of ongoing archaeological research, there is evidence of established Jewish communities as early as the 1st century CE. Modern transliteration of Hebrew romanizes the consonant פ (pe without a dagesh dot placed in its center) as the digraph ph, in order to represent fe or the single phoneme /f/ , the English sound that is voiceless labiodental fricative. In other languages and scripts, "Sephardi" may be translated as plural Hebrew: סְפָרַדִּים, Modern: Sfaraddim, Tiberian: Səp̄āraddîm; Spanish: sefardíes; Portuguese: sefarditas; Catalan: sefardites; Aragonese: safardís; Basque: Sefardiak; French: Séfarades; Galician: sefardís; Italian: sefarditi; Greek: Σεφαρδίτες, romanized: Sephardites; Serbo-Croatian: Сефарди, Sefardi; Ladino: sefaradies, sefaradim; and Arabic: سفارديون, romanized: Safārdiyyūn. Definition In the narrower ethnic definition, a Sephardic Jew is one descended from the Jews who lived in the Iberian Peninsula in the late 15th century, immediately prior to the issuance of the Alhambra Decree of 1492 by order of the Catholic Monarchs in Spain, and the decree of 1496 in Portugal by order of King Manuel I. In Hebrew, the term "Sephardim Tehorim" (ספרדים טהורים, literally "Pure Sephardim"), derived from a misunderstanding of the initials ס"ט "Samekh Tet" traditionally used with some proper names (which stand for sofo tov, "may his end be good" or "sin v'tin", "mire and mud" has in recent times been used in some quarters to distinguish Sephardim proper, "who trace their lineage back to the Iberian/Spanish population", from Sephardim in the broader religious sense. This distinction has also been made in reference to 21st-century genetic findings in research on 'Pure Sephardim', in contrast to other communities of Jews today who are part of the broad classification of Sephardi. Ethnic Sephardic Jews have had a presence in North Africa and various parts of the Mediterranean and Western Asia due to their expulsion from Spain. There have also been Sephardic communities in South America and India.[citation needed] Originally the Jews spoke of Sefarad referring to Al-Andalus and not the entire peninsula, nor as it is understood today, in which the term Sefarad is used in modern Hebrew to refer to Spain. This has caused a long misunderstanding, since traditionally the entire Iberian Diaspora has been included in a single group. But the historiographical research reveals that that word, seen as homogeneous, was actually divided into distinct groups: the Sephardim, coming from the countries of the Castilian crown, Castilian language speakers, and the Katalanim [ca] / Katalaní, originally from the Crown of Aragon, Judeo-Catalan speakers. The modern Israeli Hebrew definition of Sephardi is a much broader, religious based, definition that generally excludes ethnic considerations. In its most basic form, this broad religious definition of a Sephardi refers to any Jew, of any ethnic background, who follows the customs and traditions of Sepharad. For religious purposes, and in modern Israel, "Sephardim" is most often used in this wider sense. It encompasses most non-Ashkenazi Jews who are not ethnically Sephardi, but are in most instances of West Asian or North African origin. They are classified as Sephardi because they commonly use a Sephardic style of liturgy; this constitutes a majority of Mizrahi Jews in the 21st century. The term Sephardi in the broad sense, describes the nusach (Hebrew language, "liturgical tradition") used by Sephardic Jews in their Siddur (prayer book). A nusach is defined by a liturgical tradition's choice of prayers, order of prayers, text of prayers and melodies used in the singing of prayers. Sephardim traditionally pray using Minhag Sefarad. The term Nusach Sefard or Nusach Sfarad does not refer to the liturgy generally recited by Sephardim proper or even Sephardi in a broader sense, but rather to an alternative Eastern European liturgy used by many Hasidim, who are Ashkenazi. Additionally, Ethiopian Jews, whose branch of practiced Judaism is known as Haymanot, have been included under the oversight of Israel's already broad Sephardic Chief Rabbinate. History in Spain and Portugal The earliest significant Jewish presence in the Iberian Peninsula is typically traced back to the Roman period, during the first centuries CE. Evidence includes an amphora discovered in Ibiza, stamped with two Hebrew letters in relief, indicating possible trade between Judaea and the Balearics in the first century. Additionally, the Epistle to the Romans records Paul's intent to visit Spain, hinting at a Jewish community in the region during the mid-first century CE. Josephus writes that Herod Antipas was deposed and exiled to Spain, possibly to Lugdunum Convenarum, in 39 CE. Archaeological evidence of a Jewish presence in Spain prior to the third century CE is limited. However, from the third to sixth centuries, inscriptions confirm the existence of Jewish communities, particularly in the more Romanized regions of the south and east, such as Toledo, Mérida, Seville, and Tarragona. Additionally, these inscriptions suggest a Jewish presence in other locations, including Elche, Tortosa, Adra, and the Balearic Islands. Rabbinic literature from the Amoraic era references Spain as a distant land with a Jewish presence. For example, a tradition passed down by Rabbi Berekiah and Rabbi Shimon bar Yochai, quoting second-century tanna Rabbi Meir, states: "Do not fear, O Israel, for I help you from remote lands, and your seed from the land of their captivity, from Gaul, from Spain, and from their neighbors." Medieval legends often traced the arrival of Jews in Spain to the First Temple period, with some associating the biblical Tarshish with Tartessus and suggesting Jewish traders were active in Spain during the Phoenician and Carthaginian eras. One such legend from the 16th century claimed that a funeral inscription in Murviedro belonged to Adoniram, a commander of King Solomon, who had supposedly died in Spain while collecting tribute. Another legend spoke of a letter allegedly sent by the Jews of Toledo to Judaea in 30 CE, asking to prevent the crucifixion of Jesus. These legends aimed to establish that Jews had settled in Spain well before the Roman period and to absolve them of any responsibility for the death of Jesus, a charge often leveled at them in later centuries. Rabbi and scholar Abraham ibn Daud wrote in 1161: "A tradition exists with the [Jewish] community of Granada that they are from the inhabitants of Jerusalem, of the descendants of Judah and Benjamin, rather than from the villages, the towns in the outlying districts [of Israel]." Elsewhere, he writes about his maternal grandfather's family and how they came to Spain after Jerusalem's destruction in 70 CE: "When Titus prevailed over Jerusalem, his officer who was appointed over Hispania appeased him, requesting that he send to him captives made-up of the nobles of Jerusalem, and so he sent a few of them to him, and there were amongst them those who made curtains and who were knowledgeable in the work of silk, and [one] whose name was Baruch, and they remained in Mérida." Around 300 CE, the Synod of Elvira, an ecclesiastical council convened in southern Spain, and enacted several decrees to restrict interactions between Christians and Jews. Among the measures were prohibitions on intermarriage between Jews and Christians, communal dining, and the participation of Jews in blessing fields. Despite these efforts, aimed to diminish Jewish influence on Christian communities, evidence indicates that everyday social relations between Jews and Christians continued to be prevalent in various locales. By the mid-5th century, Spain came under the control of the Visigothic Kingdom, following a period of significant instability caused by Barbarian invasions that led to the collapse of the Western Roman Empire. Initially, the Christian Visigoths practiced Arianism and, while they generally did not engage in the persecution of Jews, they did not extend particular favor to them either. It was not until the reign of Alaric II (484–507) that a Visigothic king concerned himself with the Jews, as evidenced by the publication of the Breviary of Alaric in 506, which incorporated Roman legal precedents into Visigothic law.[citation needed] The situation for Jews in Spain shifted dramatically after the conversion of the Visigothic monarchs to Catholicism under King Reccared in 587. As the Visigoths sought to unify the realm under their new religion, their policies towards Jews evolved from initial marginalization to increasingly aggressive measures aimed at their complete eradication from the kingdom. Under successive Visigothic kings and under ecclesiastical authority, many orders of expulsion, forced conversion, isolation, enslavement, execution, and other punitive measures were made. By 612–621, the situation for Jews became intolerable and many left Spain for nearby northern Africa. In 711, thousands of Jews from North Africa accompanied the Muslims who invaded Spain, subsuming Catholic Spain and turning much of it into an Arab state, Al-Andalus. In 711, Muslim forces crossed the Strait of Gibraltar from North Africa and launched a successful military campaign in the Iberian Peninsula. This conquest resulted in the establishment of Muslim rule over much of the region, which they referred to as "Al-Andalus". The territory would remain under varying degrees of Muslim control for several centuries. The Jewish community, having faced persecution under Visigothic rule, largely welcomed the new Muslim rulers who offered greater religious tolerance. Under Islamic rule, Jews, like Christians, were designated as dhimmis—protected but second-class monotheists—permitted to practice their religion with relative autonomy in exchange for paying a special tax. Within half a century of the Islamic conquest, the Umayyad dynasty—overthrown by the Abbasids in 750—established an independent emirate in al-Andalus, with Córdoba as its capital. In 929, the Umayyad emir 'Abd al-Raḥmān III declared himself caliph, asserting full political and religious independence from eastern Islamic authority and initiating a new era of prosperity that increasingly attracted Jewish migrants from the less stable east. During this period of rising stability and cultural exchange, Ḥasdai ibn Shaprūṭ, a Jewish physician, scholar, and court official, emerged as a trusted advisor to the caliph. He played a key role in the Jewish cultural renaissance of the period, fostering the work of Hebrew poets and scholars such as Menaḥem ben Saruq and Dunash ben Labraṭ. He benefitted world Jewry not only indirectly by creating a favorable environment for scholarly pursuits within Iberia, but also by using his influence to intervene on behalf of foreign Jews: in his letter to Byzantine Princess Helena, he requested protection for the Jews under Byzantine rule, attesting to the fair treatment of the Christians of al-Andalus, and perhaps indicating that such was contingent on the treatment of Jews abroad. During this period, the Jews served as merchants, artisans and craftsmen, and were hired by the government for those services. By the ninth century, some members of the Sephardic community felt confident enough to take part in proselytizing amongst Christians. This included the heated correspondences sent between Bodo Eleazar, a former Christian deacon who had converted to Judaism in 838, and the Bishop of Córdoba Paulus Albarus, who had converted from Judaism to Christianity. Each man, using such epithets as "wretched compiler", tried to convince the other to return to his former faith, to no avail.[citation needed] In 1031, the Umayyad Caliphate of Córdoba disintegrated into smaller Muslim principalities known as taifas. Some were ruled by Berber military leaders, and Jewish courtiers often held influential roles. Jewish intellectual life flourished in Spain's major urban centers. Commentaries on the Bible and Talmud were developed, and a vibrant poetic tradition emerged. One of its most prominent figures was Samuel ha-Nagid (Samuel ibn Naghrillah), who served as vizier and military commander of the Muslim principality of Granada between 993 and 1056. A prolific poet and halakhic scholar, Samuel emphasized his Jewish identity and role as a representative of the Jewish community in official correspondence. The cultural Golden Age of Jewish life in Muslim Spain produced major Hebrew poets whose works spanned from secular themes—such as love, friendship, and nature—to sacred hymns and religious reflection. Among the most prominent were Solomon ibn Gabirol, Moses ibn Ezra, and Judah ha-Levi (c. 1075–1141). Born in Tudela, ha-Levi became renowned for both his secular and liturgical poetry, particularly his celebrated "Zion poems" that express deep yearning for the Land of Israel. He also authored The Kuzari, a philosophical dialogue defending Judaism and critiquing rationalist philosophy and other faiths; in it, he ultimately affirms the centrality of the Land of Israel and reflects that remaining in the diaspora is a form of hypocrisy. One notable contribution to Christian intellectualism from this period is Ibn Gabirol's neo-Platonic Fons Vitae ("The Source of Life;" "Mekor Hayyim"). Thought by many to have been written by a Christian, this work was admired by Christians and studied in monasteries throughout the Middle Ages, though the work of Solomon Munk in the 19th century proved that the author of Fons Vitae was the Jewish ibn Gabirol. Arabic culture, of course, also made a lasting impact on Sephardic cultural development. General re-evaluation of scripture was prompted by Muslim anti-Jewish polemics and the spread of rationalism, as well as the anti-Rabbanite polemics of Karaites. The cultural and intellectual achievements of the Arabs, and much of the scientific and philosophical speculation of Ancient Greek culture, which had been best preserved by Arab scholars, was made available to the educated Jew. The meticulous regard the Arabs had for grammar and style also had the effect of stimulating an interest in philological matters in general among Jews. Arabic became the main language of Sephardic science, philosophy, and everyday business, as had been the case with Babylonian geonim. This thorough adoption of the Arabic language also greatly facilitated the assimilation of Jews into Moorish culture, and Jewish activity in a variety of professions, including medicine, commerce, finance, and agriculture increased. The first major and most violent persecution in Islamic Spain was the 1066 Granada massacre, which occurred on 30 December, when a Muslim mob stormed the royal palace in Granada, crucified Jewish vizier Joseph ibn Naghrela and massacred most of the Jewish population of the city after rumors spread that the powerful vizier was plotting to kill the weak-minded and drunk King Badis ibn Habus. An estimated 4,000 Jews were reportedly killed during the Granada riots, though some historians question this figure, viewing it as a possible exaggeration typical of historical number reporting. In the late 11th century, Christian kingdoms in northern Iberia intensified their campaign to reconquer Muslim-held territories, known as the "Reconquista". The conquest of Toledo by King Alfonso VI of Castile in 1085 marked a turning point. Facing mounting external pressure, Muslim rulers invited the Almoravids—a fundamentalist Berber group—to defend their lands. The Almoravids established an empire spanning parts of Iberia and West Africa and expelled Jews from administrative positions in Granada and Seville. Despite relatively better conditions, Jews in Christian Spain also faced restrictions. In 1081, Pope Gregory VII forbade the Castilian king from appointing Jews to positions of power. In 1108, the Jewish advisor Solomon ibn Farusal was murdered, and by 1118, Alfonso VII banned both Jews and recent Jewish converts to Christianity from holding authority in Toledo. Nevertheless, Jewish scholarship persisted. The historian Abraham ibn Daud, active in Toledo during this time, authored the Sefer ha-Qabbalah and translated key works across disciplines. In 1147–1148, much of Islamic Spain fell to the Almohads, another Berber dynasty, even more intolerant than the Almoravids. They abolished the protected status for Jews and Christians, imposing forced conversions. As a result, many Jews fled to other parts of the Muslim world or sought refuge in Christian Iberia and southern France. Among them were members of the Ibn Tibbon family, who became renowned translators of Jewish and philosophical texts. One of the most significant Jewish figures of this era was Moses ben Maimon, known as Maimonides (or the Rambam). Born in Córdoba, he was forced to flee persecution multiple times—first to Fez, Morocco, later to the Land of Israel, and finally to Egypt, where he settled in Fustat. A towering figure in Jewish thought, Maimonides was a physician, legal codifier, philosopher, and religious leader. His Mishneh Torah systematized Jewish law, earning widespread authority, while his Guide for the Perplexed sought to reconcile Jewish theology with Aristotelian philosophy. His writings influenced both Jewish and broader intellectual traditions across the medieval world. Meanwhile, Jewish cultural life continued in Christian Spain. Authors such as Yehuda Alharizi, Meshullam da Piera, and Todros Abulafia contributed to a growing body of Hebrew prose and poetry. In Portugal, the Sephardim were given important roles in the sociopolitical sphere and enjoyed a certain amount of protection from the Crown (e.g. Yahia Ben Yahia, first "Rabino Maior" of Portugal and supervisor of the public revenue of the first King of Portugal, D. Afonso Henriques). Even with the increasing pressure from the Catholic Church, this state of affairs remained more or less constant and the number of Jews in Portugal grew with those fleeing from Spain. By the 13th century, Jewish life in Spain had largely shifted to Christian territories, following a decline under Almoravid rule and the harsh repression of the Almohads, with only small communities remaining under Muslim control. Alfonso X of Castile, nicknamed The Wise, ruled from 1252 to 1284 and was noted for his patronage of literature, science, and translation. Alfonso surrounded himself with scholars of diverse backgrounds, including Jews, and promoted the School of Translators of Toledo. This institution became a major intellectual hub, facilitating the translation of works from Arabic and Hebrew, thus contributing to the transmission of classical and scientific knowledge in medieval Europe. Under Alfonso's reign, the Siete Partidas, a comprehensive legal code, was compiled and promulgated, imposing significant restrictions on Jews. These included regulations inspired by the Fourth Council of the Lateran (1215), such as the mandatory wearing of distinguishing clothing, prohibitions on the construction of new houses of worship, residential segregation, bans on interfaith marriages and nursing arrangements, and other forms of social and legal marginalization. Additionally, Alfonso's Cantigas de Santa Maria, a celebrated collection of devotional songs, contains several compositions that reflect negative views toward Jews. A pivotal moment in Jewish–Christian relations during this period was the Barcelona Disputation of 1263, a formal debate convened by royal order between Jewish and Christian scholars. Representing the Jewish side was Nachmanides, a prominent philosopher, kabbalist, and commentator from Girona. The debate, while framed as a theological exchange, was part of broader Church efforts to challenge Jewish beliefs and promote conversion. Around 1280, Moses de León, a Jewish mystic and writer in Castile, composed or disseminated the Zohar, a foundational work of Kabbalah. Written in Aramaic and attributed pseudepigraphically to the 2nd-century sage Rabbi Shimon bar Yochai, the Zohar became one of the most influential texts in Jewish mystical tradition. The 14th century witnessed increasing hostility toward Jews, partly fueled by the activities of Dominican preachers, who traveled across the Iberian Peninsula delivering sermons against Judaism and inciting anti-Jewish sentiment among Christian populations. One of the most prominent figures was Vicente Ferrer, a Dominican friar active in the latter half of the century. His preaching played a significant role in the social atmosphere that culminated in the pogroms of 1391, a wave of violent anti-Jewish riots that devastated Jewish communities across Spain. In the summer of 1391, a wave of violent anti-Jewish riots swept across the Iberian Peninsula and the Balearic Islands. The unrest began in Seville and rapidly spread to other parts of Castile and Aragon, affecting towns such as Córdoba, Toledo, Cuenca, Burgos, Palma de Mallorca, Barcelona, and Girona. Only the Jews of Portugal and Navarre were spared. During the riots, Jewish quarters were attacked and looted, synagogues were destroyed, thousands of Jews were murdered, and thousands more were forcibly baptized into Christianity. While many Jews fled or resisted, others accepted conversion under extreme duress; some chose martyrdom, and a few prominent figures converted voluntarily. One of those was Solomon ha-Levi, a leading rabbi from Burgos who converted and later became known as Pablo de Santa María, a bishop and vocal opponent of Judaism. The Jewish communities of Valencia and Barcelona were wiped out entirely, while others were severely diminished, prompting many survivors to relocate to rural regions. The 15th century saw the intensification in the persecution of Jews across the Iberian Peninsula. Beginning in 1411, the Dominican friar Vincent Ferrer led preaching campaigns, prompting both forced conversions and harsh segregation measures. In the 1410s, a new wave of violence and restrictive legislation targeted Jewish communities. The same decade saw the Disputation of Tortosa (1413–1414), a prolonged public spectacle initiated by Pope Benedict XIII and led by the convert Gerónimo de Santa Fe. Though framed as a religious debate, it forced Jewish scholars to defend their faith under duress. The event, lasting nearly two years, led to widespread despair, numerous conversions, and harsh new laws. During this period, the first Limpieza de sangre (Purity of Blood) laws emerged, barring conversos from certain positions based on ancestry. The earliest known case arose in Toledo in 1449, amid a tax revolt that also targeted conversos. Though Pope Nicholas V condemned these laws, certain religious orders, such as the Hieronymites, later received papal permission to enforce them as criteria for entry into monastic life. In 1478, the Catholic Monarchs, Ferdinand II of Aragon and Isabella I of Castile, received papal authorization to establish the Spanish Inquisition as a permanent tribunal under royal control. Its purpose was to identify and punish conversos suspected of secretly practicing Judaism. The first tribunal was established in Seville in 1480, and additional ones were gradually established throughout Spain. At the Inquisition's helm stood Tomás de Torquemada, a Dominican friar who led a powerful faction at court advocating for the expulsion of the Jews. In January 1483, likely with royal approval, the Inquisition ordered the expulsion of Jews from Andalusia. In the following years, several murder accusations were leveled against Jews. In 1485, the inquisitor Pedro de Arbués was assassinated at the cathedral of Zaragoza in a plot attributed primarily to conversos; although contemporary sources noted the involvement of some old Christians, only conversos were prosecuted, with many tortured, executed, or having their property confiscated, suggesting that the trials were also used to remove influential converso officials. In 1491, the infamous 'Holy Child of La Guardia' blood libel involved the false accusation of Jews and conversos for the ritual murder of a Christian child; confessions were extracted under torture, and all defendants were burned at the stake, despite no evidence that a child had disappeared. With the fall of the Emirate of Granada, the last Muslim stronghold in Iberia, in January 1492, Ferdinand and Isabella quickly moved to expel the Jewish population from their kingdoms. On March 31, 1492, they issued the Alhambra Decree, mandating that all Jews in Castile and Aragon either convert to Christianity or leave the country within four months. Although Jews were technically allowed to sell their property and take portable goods (excluding gold, silver, and currency), the short timeframe, restrictions, and widespread exploitation made fair transactions nearly impossible. Several thousand chose baptism and remained, and some of them continued to practice Judaism in secret. Others chose exile, but the exact number is unknown. Estimates range from a few tens of thousands to approximately 200,000 expelled. Abraham Senior, the elderly court rabbi of Castile, converted to Christianity under royal sponsorship. In contrast, Don Isaac Abravanel, a leading financier, biblical commentator, and statesman, joined his fellow Jews in leaving Spain. Many Jews fled to the nearby kingdoms of Portugal and Navarre, where they were temporarily welcomed, while others sailed to more distant lands across the Mediterranean and beyond. In 1497, just five years after the expulsion from Spain, King Manuel I of Portugal issued a decree mandating the forced conversion of all Jews in his realm. Although initially welcoming Jewish refugees from Spain, Manuel reversed course under pressure from the Catholic Monarchs, whose daughter Isabella of Aragon he sought to marry. Rather than permitting Jews to leave the country, as many had planned, Manuel banned emigration and orchestrated mass baptisms. Jewish families were told to bring their children to public squares under the pretense of official registration or medical inspection, only for the children to be taken and baptized without parental consent. In other cases, entire communities were herded into churches and forcibly converted en masse. These coerced converts, known as New Christians (Cristãos-Novos), were legally forbidden from practicing Judaism, yet many continued to observe Jewish customs in secret. Expulsion and dispersion Following the eradication of Jewish life in Spain and Portugal in the late 15th century, many Jews found refuge in the lands of the Ottoman Empire, where they established vibrant communities. Over the course of a few generations, these communities emerged as the heart of the Sephardic world. Census data confirm a dramatic demographic shift: Istanbul's Jewish population quintupled to around 40,000 people between 1477 and 1535, while Thessaloniki's Jewish community, nonexistent in 1478, grew to over 16,500 by 1519, comprising more than 60% of the city's population by 1567–68. Similar growth occurred in cities such as Edirne and Bursa. Similarly, Safed expanded rapidly in the 16th century, emerging as a major spiritual and scholarly center that drew scholars from across the Ottoman Empire, Italy, and North Africa. Under the leadership of figures such as Solomon Alkabetz, Moses Cordovero, and Isaac Luria, the town produced influential works of Jewish liturgy and mysticism. The halakhic codification by Joseph Karo in his Beit Yosef and Shulchan Aruch established normative standards across the Jewish world. In Algiers, Sephardic figures such as Simon ben Zemah Duran, who fled Mallorca after 1391, and his son Solomon became prominent leaders in both rabbinic and scientific thought. Meanwhile, Abraham Zacuto, who fled Portugal in 1497, continued his astronomical work in Tunis. A sizable Sephardic community had settled in Morocco and other Northern African countries, which were colonized by France in the 19th century. Jews in Algeria were given French citizenship in 1870 by the décret Crémieux (previously Jews and Muslims could apply for French citizenship, but had to renounce the use of traditional religious courts and laws, which many did not want to do). When France withdrew from Algeria in 1962, the local Jewish communities largely relocated to France. There are some tensions between some of those communities and the earlier French Jewish population (who were mostly Ashkenazi Jews), and with Arabic-Muslim communities. The Sephardim distinguished themselves as physicians and statesmen, and won the favor of rulers and princes, in both the Christian and the Islamic world. That the Sephardim were selected for prominent positions in every country where they settled was only in part due to the fact that Spanish had become a world-language through the expansion of Spain into the world-spanning Spanish Empire—the cosmopolitan cultural background after long associations with Islamic scholars of the Sephardic families also made them extremely well educated for the times, even well into the European Enlightenment. Following the expulsions of Jews from Spain and Portugal, substantial populations of conversos remained in both kingdoms. While many assimilated over time, others secretly preserved aspects of Jewish life, a phenomenon now known as crypto-Judaism. These individuals were often referred to pejoratively as marranos in Iberian sources. Suspicions of "Judaizing" led to episodes of violence, most notably the 1506 Lisbon Massacre, in which a mob, incited by Dominican friars, murdered up to 2,000 New Christians over three days. Joining the Spanish Inquisition was the Portuguese Inquisition, established in 1536; both targeted conversos for investigation and punishment for centuries to come. As Spain and Portugal expanded their empires, many converso families migrated to colonial territories, where local inquisitorial tribunals continued to investigate and prosecute suspected crypto-Jews. Inquisition records reveal widespread surveillance and prosecution of conversos for suspected “Judaizing.” Individuals were denounced for actions such as lighting candles on Friday evenings, fasting on Yom Kippur, wearing clean white garments before the Sabbath, or preparing traditional Jewish foods on holidays. Suspects were frequently subjected to torture during interrogations. As ecclesiastical courts lacked the authority to impose capital punishment, those found guilty were transferred to secular authorities, who carried out sentences such as execution by burning—a penalty justified within Church doctrine as the purification of the soul through suffering. The inquisitions staged autos-de-fé—ritualized public ceremonies that included processions, sermons, confessions, and executions—sometimes in the presence of monarchs. Those who confessed were forced to wear sanbenitos, humiliating garments bearing their alleged offenses, with their names publicly displayed in churches for generations. Even the deceased or those who had fled could be condemned in absentia, with effigies burned or graves exhumed and desecrated as symbolic acts of punishment. Despite these persecutions, many conversos continued to observe aspects of Judaism in secret. In Portugal, emigration of converso families to more tolerant regions continued for centuries. Upon reaching relative safety, such as in parts of the Ottoman Empire, North Africa, or the Netherlands, some families openly returned to Judaism. Others remained in Iberia and preserved their traditions covertly. A notable example is the community of Belmonte in central Portugal, where crypto-Jewish practices were maintained in isolation for generations and only came to light in the early 20th century, after external contact revealed to them the broader Jewish world. With their social equals they associated freely, without regard to religion and more likely with regard to equivalent or comparative education, for they were generally well read, which became a tradition and expectation. They were received at the courts of sultans, kings, and princes, and often were employed as ambassadors, envoys, or agents. The number of Sephardim who have rendered important services to different countries is considerable as Samuel Abravanel (or "Abrabanel"—financial councilor to the viceroy of Naples) or Moses Curiel (or "Jeromino Nunes da Costa"-serving as Agent to the Crown of Portugal in the United Provinces). Among other names mentioned are those of Belmonte, Nasi, Francisco Pacheco, Blas, Pedro de Herrera, Palache, Pimentel, Azevedo, Sagaste, Salvador, Sasportas, Costa, Curiel, Cansino, Schönenberg, Sapoznik (Zapatero), Toledo, Miranda, Toledano, Pereira, and Teixeira. Sephardic Jews came to England in the mid-17th century. Initially arriving from France and Portugal, often passing through Holland, they were the first Jewish group to settle in England in significant numbers after the Jews had been expelled in 1290. By 1680, there were about 2,000 Sephardic Jews in London. In Amsterdam, where Jews were especially prominent in the 17th century on account of their number, wealth, education, and influence, they established poetical academies after Spanish models; two of these were the Academia de Los Sitibundos and the Academia de Los Floridos. In the same city they also organized the first Jewish educational institution, with graduate classes in which, in addition to Talmudic studies, the instruction was given in the Hebrew language. The most important synagogue, or Esnoga, as it is usually called amongst Spanish and Portuguese Jews, is the Amsterdam Esnoga—usually considered the "mother synagogue", and the historical center of the Amsterdam minhag. In a letter dated 25 November 1622, King Christian IV of Denmark invites Jews of Amsterdam to settle in Glückstadt, where, among other privileges, the free exercise of their religion would be assured to them. Besides merchants, a great number of physicians were among the Spanish Jews in Amsterdam: Samuel Abravanel, David Nieto, Elijah Montalto, and the Bueno family; Joseph Bueno was consulted in the illness of Prince Maurice (April 1623). Jews were admitted as students at the university, where they studied medicine as the only branch of the science of practical use to them, for they were not permitted to practice law, and the oath they would be compelled to take excluded them from the professorships. Neither were Jews taken into the trade-guilds: a resolution passed by the city of Amsterdam in 1632 (the cities being autonomous) excluded them. Exceptions, however, were made in the case of trades that related to their religion: printing, bookselling, and the selling of meat, poultry, groceries, and drugs. In 1655 a Jew was, exceptionally, permitted to establish a sugar-refinery. The Sephardic kehilla in Zamość in the 16th and 17th centuries was one of its kind in all of Poland at that time. It was an autonomous institution, and until the mid-17th century it was not under the authority of the highest organ of the Jewish self-government in the Republic of Poland - the Council of Four Lands. The largest part of Spanish Jews expelled in 1492 fled to Portugal, where they eluded persecution for a few years. The Jewish community in Portugal was perhaps then some 15% of that country's population. They were declared Christians by Royal decree unless they left, but the King hindered their departure, needing their artisanship and working population for Portugal's overseas enterprises and territories. Later Sephardic Jews settled in many trade areas controlled by the Empire of Philip II and others. With various countries in Europe also the Sephardic Jews established commercial relations. Álvaro Caminha, in Cape Verde islands, who received the land as a grant from the crown, established a colony with Jews forced to stay on the island of São Tomé. Príncipe island was settled in 1500 under a similar arrangement. Attracting settlers proved difficult, however, the Jewish settlement was a success and their descendants settled many parts of Brazil. In 1579 Luis de Carvajal y de la Cueva a Portuguese-born Converso, Spanish-Crown officer, was awarded a large swath of territory in New Spain, known as Nuevo Reino de León. He founded settlements with other conversos that would later become Monterrey. In particular, Jews established relations between the Dutch and South America. They contributed to the establishment of the Dutch West Indies Company in 1621, and some were members of the directorate. The ambitious schemes of the Dutch for the conquest of Brazil were carried into effect through Francisco Ribeiro, a Portuguese captain, who is said to have had Jewish relations in the Netherlands. Some years afterward, when the Dutch in Brazil appealed to the Netherlands for craftsmen of all kinds, many Jews went to Brazil. About 600 Jews left Amsterdam in 1642, accompanied by two distinguished scholars—Isaac Aboab da Fonseca and Moses Raphael de Aguilar. Jews supported the Dutch in the struggle between the Netherlands and Portugal for possession of Brazil. In 1642, Aboab da Fonseca was appointed rabbi at Kahal Zur Israel Synagogue in the Dutch colony of Pernambuco (Recife), Brazil. Most of the white inhabitants of the town were Sephardic Jews from Portugal who had been banned by the Portuguese Inquisition to this town at the other side of the Atlantic Ocean. In 1624, the colony had been occupied by the Dutch. By becoming the rabbi of the community, Aboab da Fonseca was the first appointed rabbi of the Americas. The name of his congregation was Kahal Zur Israel Synagogue and the community had a synagogue, a mikveh and a yeshiva as well. However, during the time he was a rabbi in Pernambuco, the Portuguese re-occupied the place again in 1654, after a struggle of nine years. Aboab da Fonseca managed to return to Amsterdam after the occupation of the Portuguese. Members of his community immigrated to North America and were among the founders of New York City, but some Jews took refuge in Seridó. Jonathan Ray, a professor of Jewish theological studies, has argued that the community of Sephardim was formed more during the 1600s than the medieval period. He explains that prior to expulsion Spanish Jewish communities did not have a shared identity in the sense that developed in diaspora. They did not carry any particular Hispano-Jewish identity into exile with them, but certain shared cultural traits contributed to the formation of the diaspora community from what had historically been independent communities. Modern history The Holocaust that devastated European Jewry and virtually destroyed its centuries-old culture also wiped out the great European population centers of Sephardic Jewry and led to the almost complete destruction of its unique language and traditions. Sephardi Jewish communities from France and the Netherlands in the northwest to Yugoslavia and Greece in the southeast almost disappeared. On the eve of World War II, the European Sephardi community was concentrated in Southeastern Europe countries of Greece, Yugoslavia, and Bulgaria. Its leading centers were in Salonika, Sarajevo, Belgrade, and Sofia. The experience of Jewish communities in those countries during the war varied greatly and depended on the type of regime under which they fell. The Jewish communities of Yugoslavia and northern Greece, including the 50,000 Jews of Salonika, fell under direct German occupation in April 1941 and bore the full weight and intensity of Nazi repressive measures from dispossession, humiliation, and forced labor to hostage-taking, and finally deportation to the Auschwitz concentration camp and extermination. The Jewish population of southern Greece fell under the jurisdiction of the Italians who eschewed the enactment of anti-Jewish legislation and resisted whenever possible German efforts to transfer them to occupied Poland, until the surrender of Italy on 8 September 1943 brought the Jews under German control. Sephardi Jews in Bosnia and Croatia were ruled by a German-created Independent State of Croatia state from April 1941, which subjected them to pogrom-like actions before herding them into local camps where they were murdered side by side with Serbs and Roma (see Porajmos). The Jews of Macedonia and Thrace were controlled by Bulgarian occupation forces, which after rendering them stateless, rounded them up and turned them over to the Germans for deportation. Finally, the Jews of Bulgaria proper were under the rule of a Nazi ally that subjected them to ruinous anti-Jewish legislation, but ultimately yielded to pressure from Bulgarian parliamentarians, clerics, and intellectuals not to deport them. More than 50,000 Bulgarian Jews were thus saved. The Jews in North Africa identified themselves only as Jews or European Jews, having been westernized by French and Italian colonization. During World War II and until Operation Torch, the Jews of Morocco, Algeria, and Tunisia, governed by pro-Nazi Vichy France, suffered the same antisemitic legislation that Jews suffered in France mainland. They did not, however, directly suffer the more extreme Nazi Germany antisemitic policies, and nor did the Jews in Italian Libya. The Jewish communities in those European North Africa countries, in Bulgaria, and in Denmark were the only ones who were spared the mass deportation and mass murder that afflicted other Jewish communities. Operation Torch therefore saved more than 400,000 Jews in European North Africa. The Jews in French Algeria were awarded French citizenship by 1870 Crémieux Decree. They were therefore considered part of the European pieds noirs community in spite of having been established in North Africa for many centuries, rather than subject to the Indigénat status imposed on their Muslim former neighbors. Most consequently moved to France in the late 1950s and early 1960s after Tunisia, Morocco and Algeria became independent, and they now make up a majority of the French Jewish community. Today, the Sephardim have preserved the romances and the ancient melodies and songs of Spain and Portugal, as well as a large number of old Portuguese and Spanish proverbs. A number of children's plays, like, for example, El Castillo, are still popular among them, and they still manifest a fondness for the dishes peculiar to Iberia, such as the pastel, or pastelico, a sort of meat-pie, and the pan de España, or pan de León. At their festivals, they follow the Spanish custom of distributing dulces, or dolces, a confection wrapped in paper bearing a picture of the magen David (six-pointed star). In Mexico, the Sephardic community originates mainly from Syria, Turkey, Greece, and Bulgaria. In 1942 the Colegio Hebreo Tarbut was founded in collaboration with the Ashkenazi family and instruction was in Yiddish. In 1944 the Sephardim community established a separate "Colegio Hebreo Sefaradí" with 90 students where instruction was in Hebrew and complemented with classes on Jewish customs. By 1950 there were 500 students. In 1968 a group of young Sephardim created the group Tnuat Noar Jinujit Dor Jadash in support of the creation of the state of Israel. In 1972 the Majazike Tora institute is created aiming to prepare young male Jews for their Bar Mitzvah. While the majority of American Jews today are Ashkenazim, in Colonial times Sephardim made up the majority of the Jewish population. For example, the 1654 Jews who arrived in New Amsterdam fled from the colony of Recife, Brazil after the Portuguese seized it from the Dutch. Through most of the 18th century, American synagogues conducted and recorded their business in Portuguese, even if their daily language was English. It was not until widespread German immigration to the United States in the 19th century that the tables turned and Ashkenazim (initially from Germany but by the 20th century from Eastern Europe) began to dominate the American Jewish landscape. Since April 2013, Sephardim who are descendants of those expelled in the inquisition are entitled to claim Portuguese citizenship provided that they "belong to a Sephardic community of Portuguese origin with ties to Portugal". The amendment to Portugal's "Law on Nationality" was approved unanimously on 11 April 2013, and remains open to applications as of March 2023[update]. A similar law was approved in Spain in 2014 and passed in 2015. By the expiry date on 30 September 2019, Spain had received 127,000 applications, mostly from Latin America. Today, around 50,000 recognized Jews live in Spain, according to the Federation of Jewish Communities in Spain. The tiny Jewish community in Portugal is estimated between 1,740 and 3,000 people. Although some are of Ashkenazi origin, the majority are Sephardic Jews who returned to Spain after the end of the protectorate over northern Morocco. A community of 600 Sephardic Jews live in Gibraltar.[better source needed] In 2011 Rabbi Nissim Karelitz, a leading rabbi and Halachic authority and chairman of the Beit Din Tzedek rabbinical court in Bnei Brak, Israel, recognized the entire community of Sephardi descendants in Palma de Mallorca, the Chuetas, as Jewish. They number approximately 18,000 people or just over 2% of the entire population of the island. Of the Bnei Anusim community in Belmonte, Portugal, some officially returned to Judaism in the 1970s. They opened a synagogue, Bet Eliahu, in 1996. The Belmonte community of Bnei Anusim as a whole, however, have not yet been granted the same recognition as Jews that the Chuetas of Palma de Majorca achieved in 2011. Citizenship laws by descent In 1924, the Dictatorship of Primo de Rivera approved a decree to enable Sephardi Jews to obtain Spanish nationality. Although the deadline was originally the end of 1930, diplomat Ángel Sanz Briz used this decree as the basis for giving Spanish citizenship papers to Hungarian Jews in the Second World War to try to save them from the Nazis. Today, Spanish nationality law generally requires a period of residency in Spain before citizenship can be applied for. This had long been relaxed from ten to two years for Sephardi Jews, Hispanic Americans, and others with historical ties to Spain. In that context, Sephardi Jews were considered to be the descendants of Spanish Jews who were expelled or fled from the country five centuries ago following the expulsion of the Jews from Spain in 1492. In 2015 the Government of Spain passed Law 12/2015 of 24 June, whereby Sephardi Jews with a connection to Spain could obtain Spanish nationality by naturalization, without the usual residency requirement. Applicants must provide evidence of their Sephardi origin and some connection with Spain, and pass examinations on the language, government, and culture of Spain. The Law establishes the right to Spanish nationality of Sephardi Jews with a connection to Spain who apply within three years from 1 October 2015. The law defines Sephardic as Jews who lived in the Iberian Peninsula until their expulsion in the late fifteenth century, and their descendants. The law provides for the deadline to be extended by one year, to 1 October 2019; it was extended in March 2018. It was modified in 2015 to remove a provision that required persons acquiring Spanish nationality by law 12/2015 must renounce any other nationality held. Most applicants must pass tests of knowledge of the Spanish language and Spanish culture, but those who are under 18, or handicapped, are exempted. A Resolution in May 2017 also exempted those aged over 70. The Sephardic citizenship law was set to expire in October 2018 but was extended for an additional year by the Spanish government. The Law states that Spanish citizenship will be granted to "those Sephardic foreign nationals who prove that [Sephardic] condition and their special relationship with our country, even if they do not have legal residence in Spain, whatever their [current] ideology, religion or beliefs." Eligibility criteria for proving Sephardic descent include: a certificate issued by the Federation of Jewish Communities of Spain, or the production of a certificate from the competent rabbinic authority, legally recognized in the country of habitual residence of the applicant, or other documentation which might be considered appropriate for this purpose; or by justifying one's inclusion as a Sephardic descendant, or a direct descendant of persons included in the list of protected Sephardic families in Spain referred to in the Decree-Law of 29 December 1948, or descendants of those who obtained naturalization by way of the Royal Decree of 20 December 1924; or by the combination of other factors including surnames of the applicant, spoken family language (Spanish, Ladino, Haketia), and other evidence attesting descent from Sephardic Jews and a relationship to Spain. Surnames alone, language alone, or other evidence alone will not be determinative in the granting of Spanish nationality. The connection with Spain can be established, if kinship with a family on a list of Sephardic families in Spain is not available, by proving that Spanish history or culture have been studied, proof of charitable, cultural, or economic activities associated with Spanish people, or organizations, or Sephardic culture. The path to Spanish citizenship for Sephardic applicants remained costly and arduous. The Spanish government took about 8–10 months to decide on each case. By March 2018, some 6,432 people had been granted Spanish citizenship under the law. A total of about 132,000 applications were received, 67,000 of them in the month before the 30 September 2019 deadline. Applications for Portuguese citizenship for Sephardis remained open. The deadline for completing the requirements was extended until September 2021 due to delays due to the COVID-19 pandemic, but only for those who had made a preliminary application by 1 October 2019. In what appeared to be a reciprocal gesture, Natan Sharansky, chairman of the quasi-governmental Jewish Agency for Israel, said "the state of Israel must ease the way for their return", referring to the millions of descendants of conversos around Latin America and Iberia. Some hundreds of thousands maybe exploring ways to return to the Jewish people. In April 2013 Portugal amended its Law on Nationality to confer citizenship to descendants of Portuguese Sephardic Jews who were expelled from the country five centuries ago following the Portuguese Inquisition. The amended law gave descendants of Portuguese Sephardic Jews the right to become Portuguese citizens, wherever they lived, if they "belong to a Sephardic community of Portuguese origin with ties to Portugal." Portugal thus became the first country after Israel to enact a Jewish Law of Return. On 29 January 2015, the Portuguese Parliament ratified the legislation offering dual citizenship to descendants of Portuguese Sephardic Jews. Like the law later passed in Spain, the newly established legal rights in Portugal apply to all descendants of Portugal's Sephardic Jews, regardless of the current religion of the descendant, so long as the descendant can demonstrate "a traditional connection" to Portuguese Sephardic Jews. This may be through "family names, family language, and direct or collateral ancestry." Portuguese nationality law was amended to this effect by Decree-Law n.º 43/2013, and further amended by Decree-Law n.º 30-A/2015, which came into effect on 1 March 2015. «Applicants for Portuguese citizenship via this route are assessed by experts at one of Portugal's Jewish communities in either Lisbon or Porto». In a reciprocal response to the Portuguese legislation, Michael Freund, Chairman of Shavei Israel told news agencies in 2015 that he "call[s] on the Israeli government to embark on a new strategic approach and to reach out to the [Sephardic] Bnei Anousim, people whose Spanish and Portuguese Jewish ancestors were compelled to convert to Catholicism more than five centuries ago." By July 2017 the Portuguese government had received about 5,000 applications, mostly from Brazil, Israel, and Turkey. 400 had been granted, with a period between application and resolution of about two years. In 2017 a total of 1,800 applicants had been granted Portuguese citizenship. By February 2018, 12,000 applications were in process. Divisions The divisions among Sephardim and their descendants today are largely a result of the consequences of the royal edicts of expulsion. Both the Spanish and Portuguese crowns ordered their respective Jewish subjects to choose one of two options: In the case of the Alhambra Decree of 1492, the primary purpose was to eliminate Jewish influence on Spain's large converso population, and ensure they did not revert to Judaism. Over half of Spain's Jews had converted in the 14th century as a result of the religious persecution and pogroms which occurred in 1391. They and their Catholic descendants were not subject to the decree or to expulsion, yet were surveilled by the Spanish Inquisition. British scholar Henry Kamen has said that "the real purpose of the 1492 edict likely was not expulsion, but compulsory conversion and assimilation of all Spanish Jews, a process which had been underway for a number of centuries. Indeed, a further number of those Jews who had not yet joined the converso community finally chose to convert and avoid expulsion as a result of the edict. As a result of the Alhambra decree and persecution during the prior century, between 200,000 and 250,000 Jews converted to Catholicism and between one third and one half of Spain's remaining 100,000 non-converted Jews chose exile, with an indeterminate number returning to Spain in the years following the expulsion." The Portuguese king John II welcomed the Jewish refugees from Spain with the purpose of obtaining specialized artisans, which the Portuguese population lacked, imposing over them, however, a hefty fee for the right to stay in the country. His successor King Manuel I proved, at first, to also tolerate the Jewish population. However, King Manuel I issued his own expulsion decree four years later, presumably to satisfy a precondition that the Spanish monarchs had set for him in order to allow him to marry their daughter Isabella. While the stipulations were similar in the Portuguese decree, King Manuel largely prevented Portugal's Jews from leaving, by blocking Portugal's ports of exit, foreseeing a negative economic effect of a similar Jewish flight from Portugal. He decided that the Jews who stayed accepted Catholicism by default, proclaiming them New Christians by royal decree. Physical forced conversions, however, were also suffered by Jews throughout Portugal. These persecutions led to several recently converted families to flee Portugal, such as the family of Francisco Sanches who fled to Bordeaux. Sephardi Jews encompass Jews descended from those Jews who left the Iberian Peninsula as Jews by the expiration of the respective decreed deadlines. This group is further divided between those who fled south to North Africa, as opposed to those who fled eastwards to the Balkans, West Asia and beyond. Others fled east into Europe, with many settling in northern Italy and the Low Countries. Also included among Sephardi Jews are those who descend from "New Christian" conversos, but returned to Judaism after leaving Iberia, largely after reaching Southern and Western Europe.[citation needed] From these regions, many later migrated again, this time to the non-Iberian territories of the Americas. Additional to all these Sephardic Jewish groups are the descendants of those New Christian conversos who either remained in Iberia, or moved from Iberia directly to the Iberian colonial possessions in what are today the various Latin American countries. For historical reasons and circumstances, most of the descendants of this group of conversos never formally returned to the Jewish religion. All these sub-groups are defined by a combination of geography, identity, religious evolution, language evolution, and the timeframe of their reversion (for those who had in the interim undergone a temporary nominal conversion to Catholicism) or non-reversion back to Judaism. These Sephardic sub-groups are separate from any pre-existing local Jewish communities they encountered in their new areas of settlement. From the perspective of the present day, the first three sub-groups appeared to have developed as separate branches, each with its own traditions. In earlier centuries, and as late as the editing of the Jewish Encyclopedia at the beginning of the 20th century, the Sephardim were usually regarded as together forming a continuum. The Jewish community of Livorno, Italy acted as the clearing-house of personnel and traditions among the first three sub-groups; it also developed as the chief publishing centre.[improper synthesis?] Eastern Sephardim comprise the descendants of the expellees from Spain who left as Jews in 1492 or earlier. This sub-group of Sephardim settled mostly in various parts of the Ottoman Empire, which then included areas in West Asia's Near East such as Anatolia, the Levant and Egypt; in Southeastern Europe, some of the Dodecanese islands and the Balkans. They settled particularly in European cities ruled by the Ottoman Empire, including Salonica in present-day Greece; Constantinople, which today is known as Istanbul on the European portion of modern Turkey; and Sarajevo, in what is today Bosnia and Herzegovina. Sephardic Jews also lived in Bulgaria, where they absorbed into their community the Romaniote Jews they found already living there. They had a presence as well in Walachia in what is today southern Romania, where there is still a functioning Sephardic Synagogue. Their traditional language is referred to as Judezmo ("Jewish [language]"). It is Judaeo-Spanish, also known as Ladino, which consisted of the medieval Spanish and Portuguese they spoke in Iberia, with admixtures of Hebrew, and the languages around them, especially Turkish. It was often written in Rashi script. Regarding the Middle East, some Sephardim went further east into the West Asian territories of the Ottoman Empire, settling among the long-established Arabic-speaking Jewish communities in Damascus and Aleppo in Syria, as well as in the Land of Israel, and as far as Baghdad in Iraq. Although technically Egypt was a North African Ottoman region, those Jews who settled in Alexandria are included in this group, due to Egypt's cultural proximity to the other West Asian provinces under Ottoman rule. For the most part, Eastern Sephardim did not maintain their own separate Sephardic religious and cultural institutions from pre-existing Jews. Instead the local Jews came to adopt the liturgical customs of the recent Sephardic arrivals. Eastern Sephardim in European areas of the Ottoman Empire, as well as in Palestine, retained their culture and language, but those in the other parts of the West Asian portion gave up their language and adopted the local Judeo-Arabic dialect. This latter phenomenon is just one of the factors which have today led to the broader and eclectic religious definition of Sephardi Jews. Thus, the Jewish communities in Palestine, Lebanon, Syria, and Egypt are partly of Spanish Jewish origin and they are counted as Sephardim proper. The great majority of the Jewish communities in Iraq, and all of those in Iran, Eastern Syria, Yemen, and Eastern Turkey, are descendants of pre-existing indigenous Jewish populations. They adopted the Sephardic rites and traditions through cultural diffusion, and are properly termed Mizrahi Jews.[citation needed] Going even further into South Asia, a few of the Eastern Sephardim followed the spice trade routes as far as the Malabar coast of southern India, where they settled among the established Cochin Jewish community. Their culture and customs were absorbed by the local Jews. [citation needed]. Additionally, there was a large community of Jews and crypto-Jews of Portuguese origin in the Portuguese colony of Goa. Gaspar Jorge de Leão Pereira, the first archbishop of Goa, wanted to suppress or expel that community, calling for the initiation of the Goa Inquisition against the Sephardic Jews in India. In recent times, principally after 1948, most Eastern Sephardim have since relocated to Israel, and others to the US and Latin America. Eastern Sephardim still often carry common Spanish surnames, as well as other specifically Sephardic surnames from 15th-century Spain with Arabic or Hebrew language origins (such as Azoulay, Abulafia, Abravanel) which have since disappeared from Spain when those that stayed behind as conversos adopted surnames that were solely Spanish in origin. Other Eastern Sephardim have since also translated their Hispanic surnames into the languages of the regions they settled in, or have modified them to make them sound more local. North African Sephardim consists of the descendants of the expellees from Spain who also left as Jews in 1492. This branch settled in North Africa (except Egypt, see Eastern Sephardim above). Settling mostly in Morocco and Algeria, they spoke a variant of Judaeo-Spanish known as Haketia. They also spoke Judeo-Arabic in a majority of cases. They settled in the areas with already established Arabic-speaking Jewish communities in North Africa and eventually merged with them to form new communities based solely on Sephardic customs.[citation needed] Several of the Moroccan Jews emigrated back to the Iberian Peninsula to form the core of the Gibraltar Jews.[citation needed] In the 19th century, modern Spanish, French and Italian gradually replaced Haketia and Judeo-Arabic as the mother tongue among most Moroccan Sephardim and other North African Sephardim. In recent times, with the Jewish exodus from Arab and Muslim countries, principally after the creation of Israel in 1948, most North African Sephardim have relocated to Israel (total pop. est. 1,400,000 in 2015), and most others to France (361,000) and the US (300,000), as well as other countries. As of 2015 there was a significant community still in Morocco (10,000). In 2021, among Arab countries, the largest Jewish community now exists in Morocco with about 2,000 Jews and in Tunisia with about 1,000. North African Sephardim still also often carry common Spanish surnames, as well as other specifically Sephardic surnames from 15th century Spain with Arabic or Hebrew language origins (such as Azoulay, Abulafia, Abravanel) which have since disappeared from Spain when those that stayed behind as conversos adopted surnames that were solely Spanish in origin. Other North African Sephardim have since also translated their Hispanic surnames into local languages or have modified them to sound local.[citation needed] Western Sephardim (also known more ambiguously as "Spanish and Portuguese Jews", "Spanish Jews", "Portuguese Jews" and "Jews of the Portuguese Nation") are the community of Jewish ex-conversos whose families initially remained in Spain and Portugal as ostensible New Christians, that is, as Anusim or "forced [converts]". Western Sephardim are further sub-divided into an Old World branch and a New World branch. Henry Kamen and Joseph Perez estimate that of the total Jewish origin population of Spain at the time of the issuance of the Alhambra Decree, those who chose to remain in Spain represented the majority, up to 300,000 of a total Jewish origin population of 350,000. Furthermore, a significant number returned to Spain in the years following the expulsion, on condition of converting to Catholicism, the Crown guaranteeing they could recover their property at the same price at which it was sold. Discrimination against this large community of conversos nevertheless remained, and those who secretly practiced the Jewish faith specifically suffered severe episodes of persecution by the Inquisition. The last such episode of persecution occurred in the mid-18th century. External migrations out of the Iberian peninsula coincided with these episodes of increased persecution by the Inquisition. As a result of this discrimination and persecution, a small number of marranos (conversos who secretly still practiced Judaism) later emigrated to more religiously tolerant Old World countries outside the Iberian cultural sphere, such as the Netherlands, Belgium, France, Italy, Germany and England.[citation needed] In these lands conversos reverted to Judaism, rejoining the Jewish community sometimes up to the third or even fourth generations after the initial decrees stipulating conversion, expulsion, or death. It is these returnees to Judaism that represent Old World Western Sephardim. Among this community of Sephardic Jews, the philosopher Baruch de Spinoza was born from a Portuguese Jewish family. He was also, famously, expelled from said community over his religious and philosophical views. New World Western Sephardim, on the other hand, are the descendants of those Jewish-origin New Christian conversos who accompanied the millions of Old Christian Spaniards and Portuguese that emigrated to the Americas. More specifically, New World Western Sephardim are those Western Sephardim whose converso ancestors migrated to various of the non-Iberian colonies in the Americas in whose jurisdictions they could return to Judaism. New World Western Sephardim are juxtaposed to yet another group of descendants of conversos who settled in the Iberian colonies of the Americas who could not revert to Judaism. These comprise the related but distinct group known as Sephardic Bnei Anusim (see the section below). Due to the presence of the Spanish and Portuguese Inquisition in the Iberian American territories, initially, converso immigration was barred throughout much of Ibero-America. Because of this, very few converso immigrants in Iberian American colonies ever reverted to Judaism. Of those conversos in the New World who did return to Judaism, it was principally those who had come via an initial respite of refuge in the Netherlands or who were settling the New World Dutch colonies such as Curaçao and the area then known as New Holland (also called Dutch Brazil). Dutch Brazil was the northern portion of the colony of Brazil ruled by the Dutch for under a quarter of a century before it also fell to the Portuguese who ruled the remainder of Brazil. Jews who had only recently reverted in Dutch Brazil then again had to flee to other Dutch-ruled colonies in the Americas, including joining brethren in Curaçao, but also migrating to New Amsterdam, in what is today Lower Manhattan in New York City. The oldest congregations in the non-Iberian colonial possessions in the Americas were founded by Western Sephardim, many who arrived in the then Dutch-ruled New Amsterdam, with their synagogues being in the tradition of "Spanish and Portuguese Jews". In the United States in particular, Congregation Shearith Israel, established in 1654, in what is now New York City, is the oldest Jewish congregation in the United States. Its present building dates from 1897. Congregation Jeshuat Israel in Newport, Rhode Island, is dated to sometime after the arrival of Western Sephardim there in 1658 and prior to the 1677 purchase of a communal cemetery, now known as Touro Cemetery. See also List of the oldest synagogues in the United States. The intermittent period of residence in Portugal (after the initial fleeing from Spain) for the ancestors of many Western Sephardim (whether Old World or New World) is a reason why the surnames of many Western Sephardim tend to be Portuguese variations of common Spanish surnames, though some are still Spanish. Among a few notable figures with roots in Western Sephardim are the current president of Venezuela, Nicolás Maduro, and former Associate Justice of the Supreme Court of the United States, Benjamin N. Cardozo. Both descend from Western Sephardim who left Portugal for the Netherlands, and in the case of Maduro, from the Netherlands to Curaçao, and ultimately Venezuela. The Sephardic Bnei Anusim consists of the contemporary and largely nominal Christian descendants of assimilated 15th century Sephardic anusim. These descendants of Spanish and Portuguese Jews forced or coerced to convert to Catholicism remained, as conversos, in Iberia or moved to the Iberian colonial possessions across various Latin American countries during the Spanish colonization of the Americas. Due to historical reasons and circumstances, Sephardic Bnei Anusim had not been able to return to the Jewish faith over the last five centuries, although increasing numbers have begun emerging publicly in modern times, especially over the last two decades. Except for varying degrees of putatively rudimentary Jewish customs and traditions which had been retained as family traditions among individual families, Sephardic Bnei Anusim became a fully assimilated sub-group within the Iberian-descended Christian populations of Spain, Portugal, Hispanic America and Brazil. In the last 5 to 10 years,[when?] however, "organized groups of [Sephardic] Benei Anusim in Brazil, Colombia, Costa Rica, Chile, Ecuador, Mexico, Puerto Rico, Venezuela, Dominican Republic and in Sefarad [Iberia] itself" have now been established, some of whose members have formally reverted to Judaism, leading to the emergence of Neo-Western Sephardim (see group below). The Jewish Agency for Israel estimates the Sephardic Bnei Anusim population to number in the millions. Their population size is several times larger than the three Jewish-integrated Sephardi descendant sub-groups combined, consisting of Eastern Sephardim, North African Sephardim, and the ex-converso Western Sephardim (both New World and Old World branches). Although numerically superior, Sephardic Bnei Anusim is, however, the least prominent or known sub-group of Sephardi descendants. Sephardic Bnei Anusim are also more than twice the size of the total world Jewish population as a whole, which itself also encompasses Ashkenazi Jews, Mizrahi Jews and various other smaller groups. Unlike the Anusim ("forced [converts]") who were the conversos up to the third, fourth or fifth generation (depending on the Jewish responsa) who later reverted to Judaism, the Bnei Anusim ("[later] sons/children/descendants [of the] forced [converts]") were the subsequent generations of descendants of the Anusim who remained hidden ever since the Inquisition in the Iberian Peninsula and its New World franchises. At least some Sephardic Anusim in the Hispanosphere (in Iberia, but especially in their colonies in Ibero-America) had also initially tried to revert to Judaism, or at least maintain crypto-Jewish practices in privacy. This, however, was not feasible long-term in that environment, as Judaizing conversos in Iberia and Ibero-America remained persecuted, prosecuted, and liable to conviction and execution. The Inquisition itself was only finally formally disbanded in the 19th century. Historical documentation shedding new light on the diversity in the ethnic composition of the Iberian immigrants to the Spanish colonies of the Americas during the conquest era suggests that the number of New Christians of Sephardi origin that actively participated in the conquest and settlement was more significant than previously estimated. A number of Spanish conquerors, administrators, settlers, have now been confirmed to have been of Sephardi origin. [citation needed] Recent revelations have only come about as a result of modern DNA evidence and newly discovered records in Spain, which had been either lost or hidden, relating to conversions, marriages, baptisms, and Inquisition trials of the parents, grandparents and great-grandparents of the Sephardi-origin Iberian immigrants. Overall, it is now estimated that up to 20% of modern-day Spaniards and 10% of colonial Latin America's Iberian settlers may have been of Sephardic origin, although the regional distribution of their settlement was uneven throughout the colonies. Thus, Iberian settlers of New Christian Sephardi-origin ranged anywhere from none in most areas to as high as 1 in every 3 (approx. 30%) Iberian settlers in other areas. With Latin America's current population standing at close to 590 million people, the bulk of which consists of persons of full or partial Iberian ancestry (both New World Hispanics and Brazilians, whether they're criollos, mestizos or mulattos), it is estimated that up to 50 million of these possess Sephardic Jewish ancestry to some degree. In Iberia, settlements of known and attested populations of Bnei Anusim include those in Belmonte, in Portugal, and the Xuetes of Palma de Mallorca, in Spain. In 2011 Rabbi Nissim Karelitz, a leading rabbi and Halachic authority and chairman of the Beit Din Tzedek rabbinical court in Bnei Brak, Israel, recognized the entire Xuete community of Bnei Anusim in Palma de Mallorca, as Jews. That population alone represented approximately 18,000 to 20,000 people, or just over 2% of the entire population of the island. The proclamation of the Jews' default acceptance of Catholicism by the Portuguese king actually resulted in a high percentage being assimilated into the Portuguese population. Besides the Xuetas, the same is true of Spain. Many of their descendants observe a syncretist form of Christian worship known as Xueta Christianity. Almost all Sephardic Bnei Anusim carry surnames which are known to have been used by Sephardim during the 15th century. However, almost all of these surnames are not specifically Sephardic per se, and most are in fact surnames of gentile Spanish or gentile Portuguese origin which only became common among Bnei Anusim because they deliberately adopted them during their conversions to Catholicism, in an attempt to obscure their Jewish heritage. Given that conversion made New Christians subject to Inquisitorial prosecution as Catholics, crypto-Jews formally recorded Christian names and gentile surnames to be publicly used as their aliases in notarial documents, government relations and commercial activities, while keeping their given Hebrew names and Jewish surnames secret. As a result, very few Sephardic Bnei Anusim carry surnames that are specifically Sephardic in origin, or that are exclusively found among Bnei Anusim. Distribution Prior to 1492, substantial Jewish populations existed in most Spanish and Portuguese provinces. Among the larger Jewish populations were the Jewish communities in cities like Lisbon, Toledo, Córdoba, Seville, Málaga and Granada. In these cities, however, Jews constituted only substantial minorities of the overall population. An exception may have been Medieval Lucena, reputedly home to an entirely Jewish population, and Granada, where Jews may have comprised the majority; the city was popularly known as Gharnāṭat al-Yahūd—"Granada of the Jews." In several smaller towns, however, Jews composed majorities or pluralities, as the towns were founded or inhabited principally by Jews. Among these towns were Ocaña, Guadalajara, Buitrago del Lozoya, Lucena, Ribadavia, Hervás, Llerena, and Almazán. In Castile, Aranda de Duero, Ávila, Alba de Tormes, Arévalo, Burgos, Calahorra, Carrión de los Condes, Cuéllar, Herrera del Duque, León, Medina del Campo, Ourense, Salamanca, Segovia, Soria, and Villalón were home to large Jewish communities or aljamas. Aragon had substantial Jewish communities in the Calls of Girona, Barcelona, Tarragona, Valencia and Palma (Majorca), with the Girona Synagogue serving as the centre of Catalonian Jewry The first Jews to leave Spain settled in what is today Algeria after the various persecutions that took place in 1391. The Alhambra Decree (also known as the Edict of Expulsion) was an edict issued on 31 March 1492, by the joint Catholic Monarchs of Spain (Isabella I of Castile and Ferdinand II of Aragon) ordering the expulsion of practicing Jews from the Kingdoms of Castile and Aragon and its territories and possessions by 31 July, of that year. The primary purpose was to eliminate their influence on Spain's large converso population and ensure they did not revert to Judaism. Over half of Spain's Jews had converted as a result of the religious persecution and pogroms which occurred in 1391, and as such were not subject to the Decree or to expulsion. A further number of those remaining chose to avoid expulsion as a result of the edict. As a result of the Alhambra decree and persecution in prior years, over 200,000 Jews converted to Catholicism, and between 40,000 and 100,000 were expelled, an indeterminate number returning to Spain in the years following the expulsion. The Spanish Jews who chose to leave Spain instead of converting dispersed throughout the region of North Africa known as the Maghreb. In those regions, they often intermingled with the already existing Mizrahi Arabic-speaking communities, becoming the ancestors of the Moroccan, Algerian, Tunisian, and Libyan Jewish communities. Many Spanish Jews fled to the Ottoman Empire where they had been given refuge. Sultan Bayezid II of the Ottoman Empire, learning about the expulsion of Jews from Spain, dispatched the Ottoman Navy to bring the Jews safely to Ottoman lands, mainly to the cities of Salonika (currently Thessaloniki, now in Greece) and Smyrna (now known in English as İzmir, currently in Turkey).[better source needed] Some believe that Persian Jewry (Iranian Jews), as the only community of Jews living under the Shiites, probably suffered more than any Sephardic community (Persian Jews are not Sephardic in descent). Many of these Jews also settled in other parts of the Balkans ruled by the Ottomans such as the areas that are now Bulgaria, Serbia, and Bosnia. Throughout history, scholars have given widely differing numbers of Jews expelled from Spain. However, the figure is likely preferred by minimalist scholars to be below the 100,000 Jews - while others suggest larger numbers - who had not yet converted to Christianity by 1492, possibly as low as 40,000 and as high as 200,000 (while Don Isaac Abarbanel stated he led 300,000 Jews out of Spain) dubbed "Megorashim" ("Expelled Ones", in contrast to the local Jews they met whom they called "Toshavim" - "Citizens") in the Hebrew they had spoken. Many went to Portugal, gaining only a few years of respite from persecution. The Jewish community in Portugal (perhaps then some 10% of that country's population) were then declared Christians by Royal decree unless they left. Such figures exclude the significant number of Jews who returned to Spain due to the hostile reception they received in their countries of refuge, notably Fez. The situation of returnees was legalized with the Ordinance of 10 November 1492 which established that civil and church authorities should be witness to baptism and, in the case that they were baptized before arrival, proof and witnesses of baptism were required. Furthermore, all property could be recovered by returnees at the same price at which it was sold. Returnees are documented as late as 1499. On the other hand, the Provision of the Royal Council of 24 October 1493 set harsh sanctions for those who slandered these New Christians with insulting terms such as tornados. As a result of the more recent Jewish exodus from Arab lands, many of the Sephardim Tehorim from Western Asia and North Africa relocated to either Israel or France, where they form a significant portion of the Jewish communities today. Other significant communities of Sephardim Tehorim also migrated in more recent times from the Near East to New York City, Argentina, Costa Rica, Mexico, Montreal, Gibraltar, Puerto Rico, Uruguay and Dominican Republic.[better source needed] Because of poverty and turmoil in Latin America, another wave of Sephardic Jews joined other Latin Americans who migrated to the United States, Canada, Spain, and other countries of Europe. According to the genetic study "The Genetic Legacy of Religious Diversity and Intolerance: Paternal Lineages of Christians, Jews, and Muslims in the Iberian Peninsula" at the University Pompeu Fabra of Barcelona and the University of Leicester, led by Briton Mark Jobling, Francesc Calafell, and Elena Bosch, published by the American Journal of Human Genetics, genetic markers show that nearly 20% of Spaniards have Sephardic Jewish markers (direct male descent male for Y, equivalent weight for female mitochondria); residents of Catalonia have approximately 6%. This shows that there was historic intermarriage between ethnic Jews and other Spaniards, and essentially, that some Jews remained in Spain. Similarly, the study showed that some 11% of the population has DNA associated with the Moors. During the medieval period, a considerable number of Ashkenazi Jews from historic "Ashkenaz" (Germany and France) had moved to study Kabbalah and Torah under the guidance of Sephardic Jewish Rabbis in Iberia. These Ashkenazi Jews who assimilated into the Sephardic society eventually gained the surnames "Ashkenazi" if they came from Germany and "Zarfati" if they came from France. Sephardi-Ashkenazi relations have at times been strained by racial tension, with both sides claiming the inferiority of the other, based upon such features as physical traits and culture. In some instances, Sephardi Jews have joined Ashkenazi communities, and have intermarried. Language and literature The most typical traditional language of Sephardim is Judeo-Spanish, also called Judezmo or Ladino. It is a Romance language derived mainly from Old Castilian (Spanish), with many borrowings from Turkish, and to a lesser extent from Greek, Arabic, Hebrew, and French. Until recently, two different dialects of Judeo-Spanish were spoken in the Mediterranean region: Eastern Judeo-Spanish (in various distinctive regional variations) and Western or North African Judeo-Spanish (also known as Ḥakitía). The latter was once spoken, with little regional distinction, in six towns in Northern Morocco. Because of later emigration, it was also spoken by Sephardim in Ceuta and Melilla (Spanish cities in North Africa), Gibraltar, Casablanca (Morocco), and Oran (Algeria). The Eastern Sephardic dialect is typified by its greater conservatism, its retention of numerous Old Spanish features in phonology, morphology, and lexicon, and its numerous borrowings from Turkish and, to a lesser extent, also from Greek and South Slavic. Both dialects have (or had) numerous borrowings from Hebrew, especially in reference to religious matters. But the number of Hebraisms in everyday speech or writing is in no way comparable to that found in Yiddish, the first language for some time among Ashkenazi Jews in Europe. On the other hand, the North African Sephardic dialect was, until the early 20th century, also highly conservative; its abundant Colloquial Arabic loan words retained most of the Arabic phonemes as functional components of a new, enriched Hispano-Semitic phonological system. During the Spanish colonial occupation of Northern Morocco (1912–1956), Ḥakitía was subjected to pervasive, massive influence from Modern Standard Spanish. Most Moroccan Jews now speak a colloquial, Andalusian form of Spanish, with only occasional use of the old language as a sign of in-group solidarity. Similarly, American Jews may now use an occasional Yiddishism in colloquial speech. Except for certain younger individuals, who continue to practice Ḥakitía as a matter of cultural pride, this dialect, probably the most Arabized of the Romance languages apart from Mozarabic, has essentially ceased to exist. By contrast, Eastern Judeo-Spanish has fared somewhat better, especially in Israel, where newspapers, radio broadcasts, and elementary school and university programs strive to keep the language alive. But the old regional variations (i.e. Bosnia, Macedonia, Bulgaria, Romania, Greece, and Turkey for instance) are already either extinct or doomed to extinction. Only time will tell whether Judeo-Spanish koiné, now evolving in Israel—similar to that which developed among Sephardic immigrants to the United States early in the 20th century- will prevail and survive into the next generation. Judæo-Portuguese was used by Sephardim — especially among the Spanish and Portuguese Jews. The pidgin forms of Portuguese spoken among slaves and their Sephardic owners were an influence in the development of Papiamento and the Creole languages of Suriname. A Jewish ethnolect of Papiamentu, documented in the work of the author May Henriquez, once developed in Curaçao. Jewish Papiamentu has largely disappeared; very few speakers (mostly elderly) are still aware of its existence. Judeo-Catalan has also been proposed as the main language used by the Jewish communities in Catalonia, Balearic Isles and the Valencian region, although its nature or even existence is debated. Other languages associated with Sephardic Jews are mostly extinct, e. g. Corfiot Italkian, formerly spoken by some Sephardic communities in Italy. Judeo-Arabic and its dialects have been a large vernacular language for Sephardim who settled in North African kingdoms and Arabic-speaking parts of the Ottoman Empire. Low German (Low Saxon), formerly used as the vernacular by Sephardim around Hamburg and Altona in Northern Germany, is no longer in use as a specifically Jewish vernacular. Through their diaspora, Sephardim have been a polyglot population, often learning or exchanging words with the language of their host population, most commonly Italian, Arabic, Greek, Turkish, and Dutch. They were easily integrated with the societies that hosted them. Within the last centuries and, more particularly the 19th and 20th centuries, two languages have become dominant in the Sephardic diaspora: French, introduced first by the Alliance Israélite Universelle, and then by absorption of new immigrants to France after Tunisia, Morocco and Algeria became independent, and Hebrew in the state of Israel. [citation needed] For a long time, the Sephardim took an active part in Spanish literature; they wrote in prose and in rhyme, and were the authors of theological, philosophical, belletristic (aesthetic rather than content-based writing), pedagogic (teaching), and mathematical works. The rabbis, who, in common with all the Sephardim, emphasized a pure and euphonious pronunciation of Hebrew, delivered their sermons in Spanish or in Portuguese. Several of these sermons have appeared in print. Their thirst for knowledge, together with the fact that they associated freely with the outer world, led the Sephardim to establish new educational systems. Wherever they settled, they founded schools that used Spanish as the medium of instruction. Theatre in Constantinople was in Judæo-Spanish since it was forbidden to Muslims. The doctrine of galut is considered by scholars to be one of the most important concepts in Jewish history, if not the most important. In Jewish literature glut, the Hebrew word for diaspora, invoked common motifs of oppression, martyrdom, and suffering in discussing the collective experience of exile in diaspora that has been uniquely formative in Jewish culture. This literature was shaped for centuries by the expulsions from Spain and Portugal and thus featured prominently in a wide range of medieval Jewish literature from rabbinic writings to profane poetry. Even so, the treatment of glut diverges in Sephardic sources, which scholar David A. Wacks says "occasionally belie the relatively comfortable circumstances of the Jewish community of Sefarad." Sephardic surnames and pedigrees Sephardic Jews have a diverse repertoire of surnames, with some originating in the Iberian Peninsula before the 1492 expulsion. Others were adopted afterward, either by Marrano families during forced conversions or by those returning to Judaism in their new centers of migration. Additionally, many Sephardic surnames were created or adapted in the countries where they resettled. Sephardic surnames are generally older than Ashkenazi surnames, as many originated in the Middle Ages, while Ashkenazi surnames were largely adopted in the 18th and 19th centuries due to legal mandates. Place names are a significant category, with many surnames originating from specific locations in Spain and Portugal. For example, surnames like Algranati, Almanzi, Bejerano, Carvajal, Castro, Leon, Navarro, Robles, Saragoti and Toledano come from places in Spain, while Portuguese surnames include Almeida, Carvallo, Miranda, and Pieba. Patronymic surnames, derived from a father's name, are also common among Sephardic Jews. These surnames often include prefixes meaning "son of," such as the Hebrew "ben" (already attested in the Bible), the Aramaic "bar" (from the Talmudic/Gaonite eras), and the Arabic "ibn." Initially used as titles connecting father to son, these prefixes eventually evolved into surnames. For example, "Ibn Dana" became Abendana, and "Benelisha" (son of Elisha) transformed into Belish. Another example is the surname Behar, which originated as a Hebrew acronym for "ben kavod rabbi" (son of the honorable rabbi), initially followed by the rabbi's name, but later becoming a family name. The third type of Sephardic surnames consists of patronymic names borrowed from Christians, which in Jewish usage often became artificial and lost their patronymic function. Examples include Rodriguez, Perez, and Mendez. These were likely chosen by Jews due to its common use in Spanish society, not tied to a specific ancestor. Similarly, Sephardic surnames in North Africa, like Bencassem, Benjamil, and Boukhris, originate from Arabic names commonly used by Muslims, suggesting they were likely borrowed from Muslim neighbors. Notable Sephardic pedigrees include: After 1492, many marranos changed their names to hide their Jewish origins and avoid persecution, adopting professions and even translating such patronyms to local languages like Arabic and even German.[citation needed] It was common to choose the name of the Parish Church where they have been baptized into the Christian faith, such as Santa Cruz or the common name of the word "Messiah" (Savior/Salvador) or adopted the name of their Christian godparents. Dr. Mark Hilton's research demonstrated in IPS DNA testing that the last name of Marranos linked with the location of the local parish was correlated 89.3% In contrast to Ashkenazic Jews, who do not name newborn children after living relatives, Sephardic Jews often name their children after the children's grandparents, even if they are still alive. According to Sephardic tradition, the first son is named after the paternal grandfather, and the second son is named after the maternal grandfather. After that, additional children's names are "free", so to speak, meaning that one can choose whatever name, without any more "naming obligations." The only instance in which Sephardic Jews will not name after their own parents is when one of the spouses shares a common first name with a mother/father-in-law (since Jews will not name their children after themselves.) There are times though when the "free" names are used to honor the memory of a deceased relative who died young or childless. These conflicting naming conventions can be troublesome when children are born into mixed Ashkenazic-Sephardic households. A notable exception to the distinct Ashkenazi and Sephardi naming traditions is found among Dutch Jews, where Ashkenazim have for centuries followed the tradition otherwise attributed to Sephardim. See Chuts. Genetics Genetically, Sephardic Jews are closely related to their Ashkenazi Jewish counterparts and studies have revealed that they mainly have a mixed Middle Eastern (Levantine) and Southern European ancestry. Due to their origin in the Mediterranean basin and strict practice of endogamy, there is a higher incidence of certain hereditary diseases and inherited disorders in Sephardi Jews. However, there are no specifically Sephardic genetic diseases, since the diseases in this group are not necessarily common to Sephardic Jews specifically, but are instead common in the particular country of birth, and sometimes among many other Jewish groups generally. The most important ones are: Prominent Sephardic Jews See also Notes References Bibliography External links Genealogy: Genetics: History and community: Philosophical: Music and liturgy: |
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Contents Animal Animals are multicellular, eukaryotic organisms belonging to the biological kingdom Animalia (/ˌænɪˈmeɪliə/). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development. Animals form a clade, meaning that they arose from a single common ancestor. Over 1.5 million living animal species have been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology, and the study of animal behaviour is known as ethology. The animal kingdom is divided into five major clades, namely Porifera, Ctenophora, Placozoa, Cnidaria and Bilateria. Most living animal species belong to the clade Bilateria, a highly proliferative clade whose members have a bilaterally symmetric and significantly cephalised body plan, and the vast majority of bilaterians belong to two large clades: the protostomes, which includes organisms such as arthropods, molluscs, flatworms, annelids and nematodes; and the deuterostomes, which include echinoderms, hemichordates and chordates, the latter of which contains the vertebrates. The much smaller basal phylum Xenacoelomorpha have an uncertain position within Bilateria. Animals first appeared in the fossil record in the late Cryogenian period and diversified in the subsequent Ediacaran period in what is known as the Avalon explosion. Nearly all modern animal phyla first appeared in the fossil record as marine species during the Cambrian explosion, which began around 539 million years ago (Mya), and most classes during the Ordovician radiation 485.4 Mya. Common to all living animals, 6,331 groups of genes have been identified that may have arisen from a single common ancestor that lived about 650 Mya during the Cryogenian period. Historically, Aristotle divided animals into those with blood and those without. Carl Linnaeus created the first hierarchical biological classification for animals in 1758 with his Systema Naturae, which Jean-Baptiste Lamarck expanded into 14 phyla by 1809. In 1874, Ernst Haeckel divided the animal kingdom into the multicellular Metazoa (now synonymous with Animalia) and the Protozoa, single-celled organisms no longer considered animals. In modern times, the biological classification of animals relies on advanced techniques, such as molecular phylogenetics, which are effective at demonstrating the evolutionary relationships between taxa. Humans make use of many other animal species for food (including meat, eggs, and dairy products), for materials (such as leather, fur, and wool), as pets and as working animals for transportation, and services. Dogs, the first domesticated animal, have been used in hunting, in security and in warfare, as have horses, pigeons and birds of prey; while other terrestrial and aquatic animals are hunted for sports, trophies or profits. Non-human animals are also an important cultural element of human evolution, having appeared in cave arts and totems since the earliest times, and are frequently featured in mythology, religion, arts, literature, heraldry, politics, and sports. Etymology The word animal comes from the Latin noun animal of the same meaning, which is itself derived from Latin animalis 'having breath or soul'. The biological definition includes all members of the kingdom Animalia. In colloquial usage, the term animal is often used to refer only to nonhuman animals. The term metazoa is derived from Ancient Greek μετα meta 'after' (in biology, the prefix meta- stands for 'later') and ζῷᾰ zōia 'animals', plural of ζῷον zōion 'animal'. A metazoan is any member of the group Metazoa. Characteristics Animals have several characteristics that they share with other living things. Animals are eukaryotic, multicellular, and aerobic, as are plants and fungi. Unlike plants and algae, which produce their own food, animals cannot produce their own food, a feature they share with fungi. Animals ingest organic material and digest it internally. Animals have structural characteristics that set them apart from all other living things: Typically, there is an internal digestive chamber with either one opening (in Ctenophora, Cnidaria, and flatworms) or two openings (in most bilaterians). Animal development is controlled by Hox genes, which signal the times and places to develop structures such as body segments and limbs. During development, the animal extracellular matrix forms a relatively flexible framework upon which cells can move about and be reorganised into specialised tissues and organs, making the formation of complex structures possible, and allowing cells to be differentiated. The extracellular matrix may be calcified, forming structures such as shells, bones, and spicules. In contrast, the cells of other multicellular organisms (primarily algae, plants, and fungi) are held in place by cell walls, and so develop by progressive growth. Nearly all animals make use of some form of sexual reproduction. They produce haploid gametes by meiosis; the smaller, motile gametes are spermatozoa and the larger, non-motile gametes are ova. These fuse to form zygotes, which develop via mitosis into a hollow sphere, called a blastula. In sponges, blastula larvae swim to a new location, attach to the seabed, and develop into a new sponge. In most other groups, the blastula undergoes more complicated rearrangement. It first invaginates to form a gastrula with a digestive chamber and two separate germ layers, an external ectoderm and an internal endoderm. In most cases, a third germ layer, the mesoderm, also develops between them. These germ layers then differentiate to form tissues and organs. Repeated instances of mating with a close relative during sexual reproduction generally leads to inbreeding depression within a population due to the increased prevalence of harmful recessive traits. Animals have evolved numerous mechanisms for avoiding close inbreeding. Some animals are capable of asexual reproduction, which often results in a genetic clone of the parent. This may take place through fragmentation; budding, such as in Hydra and other cnidarians; or parthenogenesis, where fertile eggs are produced without mating, such as in aphids. Ecology Animals are categorised into ecological groups depending on their trophic levels and how they consume organic material. Such groupings include carnivores (further divided into subcategories such as piscivores, insectivores, ovivores, etc.), herbivores (subcategorised into folivores, graminivores, frugivores, granivores, nectarivores, algivores, etc.), omnivores, fungivores, scavengers/detritivores, and parasites. Interactions between animals of each biome form complex food webs within that ecosystem. In carnivorous or omnivorous species, predation is a consumer–resource interaction where the predator feeds on another organism, its prey, who often evolves anti-predator adaptations to avoid being fed upon. Selective pressures imposed on one another lead to an evolutionary arms race between predator and prey, resulting in various antagonistic/competitive coevolutions. Almost all multicellular predators are animals. Some consumers use multiple methods; for example, in parasitoid wasps, the larvae feed on the hosts' living tissues, killing them in the process, but the adults primarily consume nectar from flowers. Other animals may have very specific feeding behaviours, such as hawksbill sea turtles which mainly eat sponges. Most animals rely on biomass and bioenergy produced by plants and phytoplanktons (collectively called producers) through photosynthesis. Herbivores, as primary consumers, eat the plant material directly to digest and absorb the nutrients, while carnivores and other animals on higher trophic levels indirectly acquire the nutrients by eating the herbivores or other animals that have eaten the herbivores. Animals oxidise carbohydrates, lipids, proteins and other biomolecules in cellular respiration, which allows the animal to grow and to sustain basal metabolism and fuel other biological processes such as locomotion. Some benthic animals living close to hydrothermal vents and cold seeps on the dark sea floor consume organic matter produced through chemosynthesis (via oxidising inorganic compounds such as hydrogen sulfide) by archaea and bacteria. Animals originated in the ocean; all extant animal phyla, except for Micrognathozoa and Onychophora, feature at least some marine species. However, several lineages of arthropods begun to colonise land around the same time as land plants, probably between 510 and 471 million years ago, during the Late Cambrian or Early Ordovician. Vertebrates such as the lobe-finned fish Tiktaalik started to move on to land in the late Devonian, about 375 million years ago. Other notable animal groups that colonized land environments are Mollusca, Platyhelmintha, Annelida, Tardigrada, Onychophora, Rotifera, Nematoda. Animals occupy virtually all of earth's habitats and microhabitats, with faunas adapted to salt water, hydrothermal vents, fresh water, hot springs, swamps, forests, pastures, deserts, air, and the interiors of other organisms. Animals are however not particularly heat tolerant; very few of them can survive at constant temperatures above 50 °C (122 °F) or in the most extreme cold deserts of continental Antarctica. The collective global geomorphic influence of animals on the processes shaping the Earth's surface remains largely understudied, with most studies limited to individual species and well-known exemplars. Diversity The blue whale (Balaenoptera musculus) is the largest animal that has ever lived, weighing up to 190 tonnes and measuring up to 33.6 metres (110 ft) long. The largest extant terrestrial animal is the African bush elephant (Loxodonta africana), weighing up to 12.25 tonnes and measuring up to 10.67 metres (35.0 ft) long. The largest terrestrial animals that ever lived were titanosaur sauropod dinosaurs such as Argentinosaurus, which may have weighed as much as 73 tonnes, and Supersaurus which may have reached 39 metres. Several animals are microscopic; some Myxozoa (obligate parasites within the Cnidaria) never grow larger than 20 μm, and one of the smallest species (Myxobolus shekel) is no more than 8.5 μm when fully grown. The following table lists estimated numbers of described extant species for the major animal phyla, along with their principal habitats (terrestrial, fresh water, and marine), and free-living or parasitic ways of life. Species estimates shown here are based on numbers described scientifically; much larger estimates have been calculated based on various means of prediction, and these can vary wildly. For instance, around 25,000–27,000 species of nematodes have been described, while published estimates of the total number of nematode species include 10,000–20,000; 500,000; 10 million; and 100 million. Using patterns within the taxonomic hierarchy, the total number of animal species—including those not yet described—was calculated to be about 7.77 million in 2011.[a] 3,000–6,500 4,000–25,000 Evolutionary origin Evidence of animals is found as long ago as the Cryogenian period. 24-Isopropylcholestane (24-ipc) has been found in rocks from roughly 650 million years ago; it is only produced by sponges and pelagophyte algae. Its likely origin is from sponges based on molecular clock estimates for the origin of 24-ipc production in both groups. Analyses of pelagophyte algae consistently recover a Phanerozoic origin, while analyses of sponges recover a Neoproterozoic origin, consistent with the appearance of 24-ipc in the fossil record. The first body fossils of animals appear in the Ediacaran, represented by forms such as Charnia and Spriggina. It had long been doubted whether these fossils truly represented animals, but the discovery of the animal lipid cholesterol in fossils of Dickinsonia establishes their nature. Animals are thought to have originated under low-oxygen conditions, suggesting that they were capable of living entirely by anaerobic respiration, but as they became specialised for aerobic metabolism they became fully dependent on oxygen in their environments. Many animal phyla first appear in the fossil record during the Cambrian explosion, starting about 539 million years ago, in beds such as the Burgess Shale. Extant phyla in these rocks include molluscs, brachiopods, onychophorans, tardigrades, arthropods, echinoderms and hemichordates, along with numerous now-extinct forms such as the predatory Anomalocaris. The apparent suddenness of the event may however be an artefact of the fossil record, rather than showing that all these animals appeared simultaneously. That view is supported by the discovery of Auroralumina attenboroughii, the earliest known Ediacaran crown-group cnidarian (557–562 mya, some 20 million years before the Cambrian explosion) from Charnwood Forest, England. It is thought to be one of the earliest predators, catching small prey with its nematocysts as modern cnidarians do. Some palaeontologists have suggested that animals appeared much earlier than the Cambrian explosion, possibly as early as 1 billion years ago. Early fossils that might represent animals appear for example in the 665-million-year-old rocks of the Trezona Formation of South Australia. These fossils are interpreted as most probably being early sponges. Trace fossils such as tracks and burrows found in the Tonian period (from 1 gya) may indicate the presence of triploblastic worm-like animals, roughly as large (about 5 mm wide) and complex as earthworms. However, similar tracks are produced by the giant single-celled protist Gromia sphaerica, so the Tonian trace fossils may not indicate early animal evolution. Around the same time, the layered mats of microorganisms called stromatolites decreased in diversity, perhaps due to grazing by newly evolved animals. Objects such as sediment-filled tubes that resemble trace fossils of the burrows of wormlike animals have been found in 1.2 gya rocks in North America, in 1.5 gya rocks in Australia and North America, and in 1.7 gya rocks in Australia. Their interpretation as having an animal origin is disputed, as they might be water-escape or other structures. Phylogeny Animals are monophyletic, meaning they are derived from a common ancestor. Animals are the sister group to the choanoflagellates, with which they form the Choanozoa. Ros-Rocher and colleagues (2021) trace the origins of animals to unicellular ancestors, providing the external phylogeny shown in the cladogram. Uncertainty of relationships is indicated with dashed lines. The animal clade had certainly originated by 650 mya, and may have come into being as much as 800 mya, based on molecular clock evidence for different phyla. Holomycota (inc. fungi) Ichthyosporea Pluriformea Filasterea The relationships at the base of the animal tree have been debated. Other than Ctenophora, the Bilateria and Cnidaria are the only groups with symmetry, and other evidence shows they are closely related. In addition to sponges, Placozoa has no symmetry and was often considered a "missing link" between protists and multicellular animals. The presence of hox genes in Placozoa shows that they were once more complex. The Porifera (sponges) have long been assumed to be sister to the rest of the animals, but there is evidence that the Ctenophora may be in that position. Molecular phylogenetics has supported both the sponge-sister and ctenophore-sister hypotheses. In 2017, Roberto Feuda and colleagues, using amino acid differences, presented both, with the following cladogram for the sponge-sister view that they supported (their ctenophore-sister tree simply interchanging the places of ctenophores and sponges): Porifera Ctenophora Placozoa Cnidaria Bilateria Conversely, a 2023 study by Darrin Schultz and colleagues uses ancient gene linkages to construct the following ctenophore-sister phylogeny: Ctenophora Porifera Placozoa Cnidaria Bilateria Sponges are physically very distinct from other animals, and were long thought to have diverged first, representing the oldest animal phylum and forming a sister clade to all other animals. Despite their morphological dissimilarity with all other animals, genetic evidence suggests sponges may be more closely related to other animals than the comb jellies are. Sponges lack the complex organisation found in most other animal phyla; their cells are differentiated, but in most cases not organised into distinct tissues, unlike all other animals. They typically feed by drawing in water through pores, filtering out small particles of food. The Ctenophora and Cnidaria are radially symmetric and have digestive chambers with a single opening, which serves as both mouth and anus. Animals in both phyla have distinct tissues, but these are not organised into discrete organs. They are diploblastic, having only two main germ layers, ectoderm and endoderm. The tiny placozoans have no permanent digestive chamber and no symmetry; they superficially resemble amoebae. Their phylogeny is poorly defined, and under active research. The remaining animals, the great majority—comprising some 29 phyla and over a million species—form the Bilateria clade, which have a bilaterally symmetric body plan. The Bilateria are triploblastic, with three well-developed germ layers, and their tissues form distinct organs. The digestive chamber has two openings, a mouth and an anus, and in the Nephrozoa there is an internal body cavity, a coelom or pseudocoelom. These animals have a head end (anterior) and a tail end (posterior), a back (dorsal) surface and a belly (ventral) surface, and a left and a right side. A modern consensus phylogenetic tree for the Bilateria is shown below. Xenacoelomorpha Ambulacraria Chordata Ecdysozoa Spiralia Having a front end means that this part of the body encounters stimuli, such as food, favouring cephalisation, the development of a head with sense organs and a mouth. Many bilaterians have a combination of circular muscles that constrict the body, making it longer, and an opposing set of longitudinal muscles, that shorten the body; these enable soft-bodied animals with a hydrostatic skeleton to move by peristalsis. They also have a gut that extends through the basically cylindrical body from mouth to anus. Many bilaterian phyla have primary larvae which swim with cilia and have an apical organ containing sensory cells. However, over evolutionary time, descendant spaces have evolved which have lost one or more of each of these characteristics. For example, adult echinoderms are radially symmetric (unlike their larvae), while some parasitic worms have extremely simplified body structures. Genetic studies have considerably changed zoologists' understanding of the relationships within the Bilateria. Most appear to belong to two major lineages, the protostomes and the deuterostomes. It is often suggested that the basalmost bilaterians are the Xenacoelomorpha, with all other bilaterians belonging to the subclade Nephrozoa. However, this suggestion has been contested, with other studies finding that xenacoelomorphs are more closely related to Ambulacraria than to other bilaterians. Protostomes and deuterostomes differ in several ways. Early in development, deuterostome embryos undergo radial cleavage during cell division, while many protostomes (the Spiralia) undergo spiral cleavage. Animals from both groups possess a complete digestive tract, but in protostomes the first opening of the embryonic gut develops into the mouth, and the anus forms secondarily. In deuterostomes, the anus forms first while the mouth develops secondarily. Most protostomes have schizocoelous development, where cells simply fill in the interior of the gastrula to form the mesoderm. In deuterostomes, the mesoderm forms by enterocoelic pouching, through invagination of the endoderm. The main deuterostome taxa are the Ambulacraria and the Chordata. Ambulacraria are exclusively marine and include acorn worms, starfish, sea urchins, and sea cucumbers. The chordates are dominated by the vertebrates (animals with backbones), which consist of fishes, amphibians, reptiles, birds, and mammals. The protostomes include the Ecdysozoa, named after their shared trait of ecdysis, growth by moulting, Among the largest ecdysozoan phyla are the arthropods and the nematodes. The rest of the protostomes are in the Spiralia, named for their pattern of developing by spiral cleavage in the early embryo. Major spiralian phyla include the annelids and molluscs. History of classification In the classical era, Aristotle divided animals,[d] based on his own observations, into those with blood (roughly, the vertebrates) and those without. The animals were then arranged on a scale from man (with blood, two legs, rational soul) down through the live-bearing tetrapods (with blood, four legs, sensitive soul) and other groups such as crustaceans (no blood, many legs, sensitive soul) down to spontaneously generating creatures like sponges (no blood, no legs, vegetable soul). Aristotle was uncertain whether sponges were animals, which in his system ought to have sensation, appetite, and locomotion, or plants, which did not: he knew that sponges could sense touch and would contract if about to be pulled off their rocks, but that they were rooted like plants and never moved about. In 1758, Carl Linnaeus created the first hierarchical classification in his Systema Naturae. In his original scheme, the animals were one of three kingdoms, divided into the classes of Vermes, Insecta, Pisces, Amphibia, Aves, and Mammalia. Since then, the last four have all been subsumed into a single phylum, the Chordata, while his Insecta (which included the crustaceans and arachnids) and Vermes have been renamed or broken up. The process was begun in 1793 by Jean-Baptiste de Lamarck, who called the Vermes une espèce de chaos ('a chaotic mess')[e] and split the group into three new phyla: worms, echinoderms, and polyps (which contained corals and jellyfish). By 1809, in his Philosophie Zoologique, Lamarck had created nine phyla apart from vertebrates (where he still had four phyla: mammals, birds, reptiles, and fish) and molluscs, namely cirripedes, annelids, crustaceans, arachnids, insects, worms, radiates, polyps, and infusorians. In his 1817 Le Règne Animal, Georges Cuvier used comparative anatomy to group the animals into four embranchements ('branches' with different body plans, roughly corresponding to phyla), namely vertebrates, molluscs, articulated animals (arthropods and annelids), and zoophytes (radiata) (echinoderms, cnidaria and other forms). This division into four was followed by the embryologist Karl Ernst von Baer in 1828, the zoologist Louis Agassiz in 1857, and the comparative anatomist Richard Owen in 1860. In 1874, Ernst Haeckel divided the animal kingdom into two subkingdoms: Metazoa (multicellular animals, with five phyla: coelenterates, echinoderms, articulates, molluscs, and vertebrates) and Protozoa (single-celled animals), including a sixth animal phylum, sponges. The protozoa were later moved to the former kingdom Protista, leaving only the Metazoa as a synonym of Animalia. In human culture The human population exploits a large number of other animal species for food, both of domesticated livestock species in animal husbandry and, mainly at sea, by hunting wild species. Marine fish of many species are caught commercially for food. A smaller number of species are farmed commercially. Humans and their livestock make up more than 90% of the biomass of all terrestrial vertebrates, and almost as much as all insects combined. Invertebrates including cephalopods, crustaceans, insects—principally bees and silkworms—and bivalve or gastropod molluscs are hunted or farmed for food, fibres. Chickens, cattle, sheep, pigs, and other animals are raised as livestock for meat across the world. Animal fibres such as wool and silk are used to make textiles, while animal sinews have been used as lashings and bindings, and leather is widely used to make shoes and other items. Animals have been hunted and farmed for their fur to make items such as coats and hats. Dyestuffs including carmine (cochineal), shellac, and kermes have been made from the bodies of insects. Working animals including cattle and horses have been used for work and transport from the first days of agriculture. Animals such as the fruit fly Drosophila melanogaster serve a major role in science as experimental models. Animals have been used to create vaccines since their discovery in the 18th century. Some medicines such as the cancer drug trabectedin are based on toxins or other molecules of animal origin. People have used hunting dogs to help chase down and retrieve animals, and birds of prey to catch birds and mammals, while tethered cormorants have been used to catch fish. Poison dart frogs have been used to poison the tips of blowpipe darts. A wide variety of animals are kept as pets, from invertebrates such as tarantulas, octopuses, and praying mantises, reptiles such as snakes and chameleons, and birds including canaries, parakeets, and parrots all finding a place. However, the most kept pet species are mammals, namely dogs, cats, and rabbits. There is a tension between the role of animals as companions to humans, and their existence as individuals with rights of their own. A wide variety of terrestrial and aquatic animals are hunted for sport. The signs of the Western and Chinese zodiacs are based on animals. In China and Japan, the butterfly has been seen as the personification of a person's soul, and in classical representation the butterfly is also the symbol of the soul. Animals have been the subjects of art from the earliest times, both historical, as in ancient Egypt, and prehistoric, as in the cave paintings at Lascaux. Major animal paintings include Albrecht Dürer's 1515 The Rhinoceros, and George Stubbs's c. 1762 horse portrait Whistlejacket. Insects, birds and mammals play roles in literature and film, such as in giant bug movies. Animals including insects and mammals feature in mythology and religion. The scarab beetle was sacred in ancient Egypt, and the cow is sacred in Hinduism. Among other mammals, deer, horses, lions, bats, bears, and wolves are the subjects of myths and worship. See also Notes References External links |
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במקום הטנקים: מעדנייה חדשה ושווה בצפוןלא אחת ולא שתיים, אלא ארבע מעדניות חדשות נפתחו בצפון. הן פתוחות גם במהלך בסופי השבוע ומציעות את כל מה שמחפשים לעצירה חלומית בזמן טיול בצפון היפה של ישראל: כריכי בשר מעולים, מאפים, נקניקים, גבינות ולא מעט ייןלין לויmakoפורסם: 19.02.26, 16:08 | עודכן: 20.02.26, 13:16מזטי דלי | צילום: לין לוי, mako אוכלהקישור הועתקרנטומעדניית רנטו של מושיקו ממן פועלת בקונספט מהמדף לצלחת ומתפקדת גם כבר יין. היא נפתחה ב-2023 בשדה אליעזר וב-2025 עברה ללוקיישן חדש בתוך מושב יסוד המעלה. גזרת היין מציאה בקבוקים חדשים וטרנדיים וגם בורגון, כשהדגש הוא על יין טבעי. וטווח המחירים רחב ונע בין 3 בקבוקים ב-110 ועד 400 שקלים לבקבוק. אפשר לבחור יין מהמדף ולשלם דמי חליצה של 40 שקלים או ללכת על מה שבאותו היום פתוח לכוסות, כשבדרך כלל יש מבחר של 3-4 יינות שונים.רנטו דלי החדש | צילום: לין לוי, mako אוכל הדגש כאן הוא על וואליו פור מאני. בימי שישי מתווספים להיצע המעולה גם לחמים של שלום עלחם. מבט קטן על המדפים מגלה שפע שאין סיכוי שלא תרצו לקחת ממנו משהו הביתה. הרעיון של מושיקו היה לייצר חנות שמספקת רכישות מפנקות לרשימת הקניות היומיומית, עם תוצרת שלא מגיעה בדרך כלל לצפון הרחוק. מה אוכלים ברנטו?בתפריט האוכל הקטן יש כריכים, מתוקים ומנות ככמו כריך סלט ביצים, כריך סנט מור, כריך פורל מעושן וכריך פפרוני שמוגשים עד 15:00 (32-44 שקלים). בנוסף יש גם צלחת גבינות (89 שקלים), צלחת נקניקים (99 שקלים), ברוסקטה טונה עם לימון כבוש (41 שקלים), סלט דוכס (טייק אוף לסלט קיסר) - עלים של חסה עם רוטב קיסר עם אנשובי וגרנד פדנה (46 שקלים) וגם איקרא עם מטיאס ובצל סגול (41 שקלים) ופונדנט שוקולד חם או דייניש ריקוטה מקמח כוסמין לקינוח.בוויז: רנטו דלי יסוד המעלה. שני-חמישי 10:00-18:00, שישי 08:00-14:00דג על הדןמתחם דג על הדן עם מסעדת הדגים הוותיקה הוא יעד צפנוי מוכר, אבל לפני חצי שנה נפתחה בו מעדנייה חדשה וממש לאחרונה התווסף למקום גם בית קפה חדש בשם "קפה על הדן". לפני שנתיים עמדו כאן בחנייה טנקים של צה"ל והיום עומדים בו אוטובוסים של מטיילים. המתחם נבנה כולו מעל נחל שניר, עם מקומות ישיבה מפוזרים בין העצים תחת כיפת השמיים. במעדנייה אפשר לקנות דגים טריים שמגדלים באזור, פורל בעישון עדין טעים ביותר ומוצרי מזווה של היצרנים מהאזור.פרסומתלפני שנתיים בדג על הדן | צילום: עינם אבישיהמעדניה של דג על הדן | צילום: לין לוי, mako אוכלמה אוכלים בדג על הדן?המעדנייה ובית הקפה מציעים אלטרנטיבה למי שלא מעוניינים בארוחת דגים. במעדנייה אפשר לקנות פיש אנד צ'יפס שיכולים לאכול במקום או לקחת לטייק אווי ובקרוב, כך הבטיחו לנו, יהיו גם כריכים עם דגים. התפריט בבית הקפה כולל מנות כמו ירקות פריכים (52 שקלים), סלטים, ברוסקטה מקושקשת (52 שקלים), טוסט גבינה פתוח (48 שקלים) ומקושקשת פורל מעושן עם תפוח אדמה וקרם פרש. אפשר גם ללכת על "בראנץ'" - 2 מנות לבחירה מהתפריט, 3 מנות קטנות ולחם ב-189 שקלים.בוויז: דג על הדן. המעדנייה: ראשון 09:00-15:30, שני-שבת 09:00-17:00. בית קפה: שני-שבת 08:30-15:30. לא כשרפרסומתמזטי דליהמעדנייה של ניתאי מצא ממוקמת במבנה לשימור בכניסה למושב בני יהודה. בתור מי שגדל על התוצרת של מזרע, אייקון קולינרי של האזור, הוא יודע להכין כריך טוב, אבל מזטי היא לא כריכייה אלא מעדנייה שאפשר גם לקנות בה דברים טעימים הביתה.הכריכים של דלי מזטי | צילום: לין לוי, mako אוכלמה אוכלים במזטי?הכריכים שניתאי מכין פה גדולים, עשירים ומפנקים. הוא אורז אותם בתוך ג'בטה מחמצת ויש גם גרסה נטולת גלוטן. לפני הנקניקים הוא מורח אותה בממרחים כמו קרם פלפלים קלויים, חמאות מתובלות ופסטו, וחוץ מנקניק וגבינה הוא מוסיף גם קונפי שום. המבחר כולל 8 כריכים עם נקניקים או גבינות, גם וגם וכריך טבעוני אחד: כריך הודו; כריך לבן חם עם בייקון, צ'דר חמאה וחרדל; כריך סלמי; כריך ברי ואגסים; וכריך הדגל - רוסטביף חם שכדאי להוסיף לו גם צ'דר. טווח המחירים של הכריכים נע בין 40-49 שקלים כשלכל אחד מהם אפשר להוסיף צ'דר, ברי, גאודה נקניקים (9-16 שקלים לכריך). חוץ מכריכים יש גם סלט בוראטה עם קרוטונים ועגבניות (65 שקלים), סלט עם מנצ'גו (45 שקלים) וסלט קרניבורים עם מיקס נקניקים (65 שקלים).בוויז: מזטי. בכניסה למושב בני יהודה, דרום רמת הגולן. ראשון-חמישי 10:00-19:00, שישי 09:00-15:30, שבת 10:00-17:00, לא כשרכריכים של מקצוענים. מזטי בני יהודה | צילום: לין לוי, mako אוכלפרסומתהמעדנייה של יקב אסףמרכז המבקרים של יקב אסף הוא מהיפים בארץ. ממוקם בתוך מבנה אבן וסביבו חצר גדולה עם עצים ומזרקה. השולחנות מפוזרים תחת כיפת השמים, ובתוך החלל המקורה הגדול יש ספות ושולחנות. המעדנייה נפתחה לפני שנה ופועלת במתכונת בשירות עצמי. אם בעבר היה צריך לקבוע ביקור מראשלסיור ביקב וטעימות יין, היום כבר אפשר להגיע רק למעדנייה.המעדניה ביקב אסף | צילום: לין לוי, mako אוכלמאפים של עדי במעדניה של יקב אסף | צילום: לין לוי, mako אוכלמה אוכלים במעדנייה של יקב אסף?טועמים בעמדה הייעודית יינות, בוחרים מה שותים ועוברים ללקט את המטעמים של עדי, הבת של אסף שאחראית כאן על האוכל. היא שפית בוגרת לימודי בישול בחו"ל והאוכל שהיא מכינה בסגנון כפרי, מהסוג הטוב ביותר: ירקות טריים, מאפים מעולים, פוקצ'ות מצוינות ולידן טוסטר אובן לחימום לפי הצורך. במקררים מחכות גבינות ממשקים באזור ומטבלים טעימים שהיא מכינה כמו ממרח שמנת, זיתים ובצל ירוק, קרם חציל, קרם סלק וטפנד זיתים.מסיימים ללקט מטעמים, בוחרים מקום לשבת ובסוף משלמים. אם בכל זאת מעוניינים סיור ביקב, יש אחד כזה כל יום ב-13:30 בימים ראשון-חמישי. ביום שישי אין סיורים, אבל המעדנייה פתוחה כרגיל.בוויז: יקב אסף. רמת הגולן. ראשון 10:00-14:30, שני-חמישי 10:00-16:00, שישי 10:00-15:00. לא כשרמצאתם טעות לשון? במקום הטנקים: מעדנייה חדשה ושווה בצפון לא אחת ולא שתיים, אלא ארבע מעדניות חדשות נפתחו בצפון. הן פתוחות גם במהלך בסופי השבוע ומציעות את כל מה שמחפשים לעצירה חלומית בזמן טיול בצפון היפה של ישראל: כריכי בשר מעולים, מאפים, נקניקים, גבינות ולא מעט יין מעדניית רנטו של מושיקו ממן פועלת בקונספט מהמדף לצלחת ומתפקדת גם כבר יין. היא נפתחה ב-2023 בשדה אליעזר וב-2025 עברה ללוקיישן חדש בתוך מושב יסוד המעלה. גזרת היין מציאה בקבוקים חדשים וטרנדיים וגם בורגון, כשהדגש הוא על יין טבעי. וטווח המחירים רחב ונע בין 3 בקבוקים ב-110 ועד 400 שקלים לבקבוק. אפשר לבחור יין מהמדף ולשלם דמי חליצה של 40 שקלים או ללכת על מה שבאותו היום פתוח לכוסות, כשבדרך כלל יש מבחר של 3-4 יינות שונים. הדגש כאן הוא על וואליו פור מאני. בימי שישי מתווספים להיצע המעולה גם לחמים של שלום עלחם. מבט קטן על המדפים מגלה שפע שאין סיכוי שלא תרצו לקחת ממנו משהו הביתה. הרעיון של מושיקו היה לייצר חנות שמספקת רכישות מפנקות לרשימת הקניות היומיומית, עם תוצרת שלא מגיעה בדרך כלל לצפון הרחוק. מה אוכלים ברנטו? בתפריט האוכל הקטן יש כריכים, מתוקים ומנות ככמו כריך סלט ביצים, כריך סנט מור, כריך פורל מעושן וכריך פפרוני שמוגשים עד 15:00 (32-44 שקלים). בנוסף יש גם צלחת גבינות (89 שקלים), צלחת נקניקים (99 שקלים), ברוסקטה טונה עם לימון כבוש (41 שקלים), סלט דוכס (טייק אוף לסלט קיסר) - עלים של חסה עם רוטב קיסר עם אנשובי וגרנד פדנה (46 שקלים) וגם איקרא עם מטיאס ובצל סגול (41 שקלים) ופונדנט שוקולד חם או דייניש ריקוטה מקמח כוסמין לקינוח. בוויז: רנטו דלי יסוד המעלה. שני-חמישי 10:00-18:00, שישי 08:00-14:00 מתחם דג על הדן עם מסעדת הדגים הוותיקה הוא יעד צפנוי מוכר, אבל לפני חצי שנה נפתחה בו מעדנייה חדשה וממש לאחרונה התווסף למקום גם בית קפה חדש בשם "קפה על הדן". לפני שנתיים עמדו כאן בחנייה טנקים של צה"ל והיום עומדים בו אוטובוסים של מטיילים. המתחם נבנה כולו מעל נחל שניר, עם מקומות ישיבה מפוזרים בין העצים תחת כיפת השמיים. במעדנייה אפשר לקנות דגים טריים שמגדלים באזור, פורל בעישון עדין טעים ביותר ומוצרי מזווה של היצרנים מהאזור. מה אוכלים בדג על הדן? המעדנייה ובית הקפה מציעים אלטרנטיבה למי שלא מעוניינים בארוחת דגים. במעדנייה אפשר לקנות פיש אנד צ'יפס שיכולים לאכול במקום או לקחת לטייק אווי ובקרוב, כך הבטיחו לנו, יהיו גם כריכים עם דגים. התפריט בבית הקפה כולל מנות כמו ירקות פריכים (52 שקלים), סלטים, ברוסקטה מקושקשת (52 שקלים), טוסט גבינה פתוח (48 שקלים) ומקושקשת פורל מעושן עם תפוח אדמה וקרם פרש. אפשר גם ללכת על "בראנץ'" - 2 מנות לבחירה מהתפריט, 3 מנות קטנות ולחם ב-189 שקלים. בוויז: דג על הדן. המעדנייה: ראשון 09:00-15:30, שני-שבת 09:00-17:00. בית קפה: שני-שבת 08:30-15:30. לא כשר המעדנייה של ניתאי מצא ממוקמת במבנה לשימור בכניסה למושב בני יהודה. בתור מי שגדל על התוצרת של מזרע, אייקון קולינרי של האזור, הוא יודע להכין כריך טוב, אבל מזטי היא לא כריכייה אלא מעדנייה שאפשר גם לקנות בה דברים טעימים הביתה. מה אוכלים במזטי? הכריכים שניתאי מכין פה גדולים, עשירים ומפנקים. הוא אורז אותם בתוך ג'בטה מחמצת ויש גם גרסה נטולת גלוטן. לפני הנקניקים הוא מורח אותה בממרחים כמו קרם פלפלים קלויים, חמאות מתובלות ופסטו, וחוץ מנקניק וגבינה הוא מוסיף גם קונפי שום. המבחר כולל 8 כריכים עם נקניקים או גבינות, גם וגם וכריך טבעוני אחד: כריך הודו; כריך לבן חם עם בייקון, צ'דר חמאה וחרדל; כריך סלמי; כריך ברי ואגסים; וכריך הדגל - רוסטביף חם שכדאי להוסיף לו גם צ'דר. טווח המחירים של הכריכים נע בין 40-49 שקלים כשלכל אחד מהם אפשר להוסיף צ'דר, ברי, גאודה נקניקים (9-16 שקלים לכריך). חוץ מכריכים יש גם סלט בוראטה עם קרוטונים ועגבניות (65 שקלים), סלט עם מנצ'גו (45 שקלים) וסלט קרניבורים עם מיקס נקניקים (65 שקלים). בוויז: מזטי. בכניסה למושב בני יהודה, דרום רמת הגולן. ראשון-חמישי 10:00-19:00, שישי 09:00-15:30, שבת 10:00-17:00, לא כשר מרכז המבקרים של יקב אסף הוא מהיפים בארץ. ממוקם בתוך מבנה אבן וסביבו חצר גדולה עם עצים ומזרקה. השולחנות מפוזרים תחת כיפת השמים, ובתוך החלל המקורה הגדול יש ספות ושולחנות. המעדנייה נפתחה לפני שנה ופועלת במתכונת בשירות עצמי. אם בעבר היה צריך לקבוע ביקור מראשלסיור ביקב וטעימות יין, היום כבר אפשר להגיע רק למעדנייה. מה אוכלים במעדנייה של יקב אסף? טועמים בעמדה הייעודית יינות, בוחרים מה שותים ועוברים ללקט את המטעמים של עדי, הבת של אסף שאחראית כאן על האוכל. היא שפית בוגרת לימודי בישול בחו"ל והאוכל שהיא מכינה בסגנון כפרי, מהסוג הטוב ביותר: ירקות טריים, מאפים מעולים, פוקצ'ות מצוינות ולידן טוסטר אובן לחימום לפי הצורך. במקררים מחכות גבינות ממשקים באזור ומטבלים טעימים שהיא מכינה כמו ממרח שמנת, זיתים ובצל ירוק, קרם חציל, קרם סלק וטפנד זיתים. מסיימים ללקט מטעמים, בוחרים מקום לשבת ובסוף משלמים. אם בכל זאת מעוניינים סיור ביקב, יש אחד כזה כל יום ב-13:30 בימים ראשון-חמישי. ביום שישי אין סיורים, אבל המעדנייה פתוחה כרגיל. בוויז: יקב אסף. רמת הגולן. ראשון 10:00-14:30, שני-חמישי 10:00-16:00, שישי 10:00-15:00. לא כשר |
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[SOURCE: https://en.wikipedia.org/wiki/Bill_Joy] | [TOKENS: 1497] |
Contents Bill Joy William Nelson Joy (born November 8, 1954) is an American computer engineer and venture capitalist. He co-founded Sun Microsystems in 1982 along with Scott McNealy, Vinod Khosla, and Andy Bechtolsheim, and served as Chief Scientist and CTO at the company until 2003. He played an integral role in the early development of BSD UNIX while being a graduate student at Berkeley, and he is the original author of the vi text editor. He also wrote the 2000 essay "Why The Future Doesn't Need Us", in which he expressed deep concerns over the development of modern technologies. Joy was elected a member of the National Academy of Engineering (1999) for contributions to operating systems and networking software. Early career Joy was born in the Detroit suburb of Farmington Hills, Michigan, to William Joy, a school vice-principal and counselor, and Ruth Joy. He earned a Bachelor of Science in electrical engineering from the University of Michigan and a Master of Science in electrical engineering and computer science from the University of California, Berkeley, in 1979. While a graduate student at Berkeley, he worked for Bob Fabry's Computer Systems Research Group (CSRG) on the Berkeley Software Distribution (BSD) version of the Unix operating system. He initially worked on a Pascal compiler left at Berkeley by Ken Thompson, who had been visiting the university when Joy had just started his graduate work. He later moved on to improving the Unix kernel, and also handled BSD distributions. Some of his most notable contributions were the ex and vi editors and the C shell. Joy's prowess as a computer programmer is legendary, with an oft-told anecdote that he wrote the vi editor in a weekend. Joy denies this assertion. A few of his other accomplishments have also been sometimes exaggerated; Eric Schmidt, CEO of Novell at the time, inaccurately reported during an interview in PBS's documentary Nerds 2.0.1 that Joy had personally rewritten the BSD kernel in a weekend. In 1980, he also wrote cat -v, about which Rob Pike and Brian W. Kernighan wrote that it went against Unix philosophy. According to a Salon article, during the early 1980s, DARPA had contracted the company Bolt, Beranek and Newman (BBN) to add TCP/IP to Berkeley UNIX. Joy had been instructed to plug BBN's stack into Berkeley Unix, but he refused to do so, as he had a low opinion of BBN's TCP/IP. So, Joy wrote his own high-performance TCP/IP stack. According to John Gage: BBN had a big contract to implement TCP/IP, but their stuff didn't work, and grad student Joy's stuff worked. So they had this big meeting and this grad student in a T-shirt shows up, and they said, "How did you do this?" And Bill said, "It's very simple – you read the protocol and write the code." — John Gage Rob Gurwitz, who was working at BBN at the time, disputes this version of events. Sun Microsystems In 1982, after the firm had been going for six months, Joy, Sun's sixteenth employee, was brought in with full co-founder status at Sun Microsystems. At Sun, Joy was an inspiration for the development of NFS, the SPARC microprocessors, the Java programming language, Jini/JavaSpaces, and JXTA. In 1986, Joy was awarded a Grace Murray Hopper Award by the ACM for his work on the Berkeley UNIX Operating System. On September 9, 2003, Sun announced Joy was leaving the company and that he "is taking time to consider his next move and has no definite plans". Post-Sun activities In 1999, Joy co-founded a venture capital firm, HighBAR Ventures, with two Sun colleagues, Andy Bechtolsheim and Roy Thiele-Sardiña. In January 2005 he was named a partner in venture capital firm Kleiner Perkins. There, Joy has made several investments in green energy industries, even though he does not have any credentials in the field. He once said, "My method is to look at something that seems like a good idea and assume it's true". In 2011, he was inducted as a Fellow of the Computer History Museum for his work on the Berkeley Software Distribution (BSD) Unix system and the co-founding of Sun Microsystems. Technology concerns In 2000, Joy gained notoriety with the publication of his article in Wired magazine, "Why The Future Doesn't Need Us", in which he declared, in what some have described as a "neo-Luddite" position, that he was convinced that growing advances in genetic engineering and nanotechnology would bring risks to humanity. He argued that intelligent robots would replace humanity, at the very least in intellectual and social dominance, in the relatively near future. He supports and promotes the idea of abandonment of GNR (genetics, nanotechnology, and robotics) technologies, instead of going into an arms race between negative uses of the technology and defense against those negative uses (good nano-machines patrolling and defending against Grey goo "bad" nano-machines). This stance of broad relinquishment was criticized by technologists such as technological-singularity thinker Ray Kurzweil, who instead advocates fine-grained relinquishment and ethical guidelines. Joy was also criticized by The American Spectator, which characterized Joy's essay as a (possibly unwitting) rationale for statism. A bar-room discussion of these technologies with Ray Kurzweil started to set Joy's thinking along this path. He states in his essay that during the conversation, he became surprised that other serious scientists were considering such possibilities likely, and even more astounded at what he felt was a lack of consideration of the contingencies. After bringing the subject up with a few more acquaintances, he states that he was further alarmed by what he felt was that although many people considered these futures possible or probable, that very few of them shared as serious a concern for the dangers as he seemed to. This concern led to his in-depth examination of the issue and the positions of others in the scientific community on it, and eventually, to his current activities regarding it. Despite this, he is a venture capitalist, investing in GNR technology companies. He has also raised a specialty venture fund to address the dangers of pandemic diseases, such as the H5N1 avian influenza and biological weapons. Joy's law In his 2013 book Makers, author Chris Anderson credited Joy with establishing "Joy's law" based on a quip: "No matter who you are, most of the smartest people work for someone else [other than you]." His argument was that companies use an inefficient process by not hiring the best employees, only those they are able to hire. His "law" was a continuation of Friedrich Hayek's "The Use of Knowledge in Society" and warned that the competition outside of a company would always have the potential to be greater than the company itself. Joy devised a formula in 1983, also called Joy's law, stating that the peak computer speed doubles each year and thus is given by a simple function of time. Specifically, in which S is the peak computer speed attained during year Y, expressed in MIPS. References External links |
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[SOURCE: https://en.wikipedia.org/wiki/Extraterrestrial_life#cite_ref-66] | [TOKENS: 11349] |
Contents Extraterrestrial life Extraterrestrial life, or alien life (colloquially aliens), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically or conclusively detected. Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more, or far less, advanced than humans. The Drake equation speculates about the existence of sapient life elsewhere in the universe. The science of extraterrestrial life is known as astrobiology. Speculation about inhabited worlds beyond Earth dates back to antiquity. Early Christian writers, including Augustine, discussed ideas from thinkers like Democritus and Epicurus about countless worlds in the vast universe. Pre-modern writers typically assumed extraterrestrial "worlds" were inhabited by living beings. William Vorilong, in the 15th century, acknowledged the possibility Jesus could have visited extraterrestrial worlds to redeem their inhabitants.: 26 In 1440, Nicholas of Cusa suggested Earth is a "brilliant star"; he theorized that all celestial bodies, even the Sun, could host life. Descartes wrote that there were no means to prove the stars were not inhabited by "intelligent creatures", but their existence was a matter of speculation.: 67 In comparison to the life-abundant Earth, the vast majority of intrasolar and extrasolar planets and moons have harsh surface conditions and disparate atmospheric chemistry, or lack an atmosphere. However, there are many extreme and chemically harsh ecosystems on Earth that do support forms of life and are often hypothesized to be the origin of life on Earth. Examples include life surrounding hydrothermal vents, acidic hot springs, and volcanic lakes, as well as halophiles and the deep biosphere. Since the mid-20th century, researchers have searched for extraterrestrial life and intelligence. Solar system studies focus on Venus, Mars, Europa, and Titan, while exoplanet discoveries now total 6,022 confirmed planets in 4,490 systems as of October 2025. Depending on the category of search, methods range from analysis of telescope and specimen data to radios used to detect and transmit interstellar communication. Interstellar travel remains largely hypothetical, with only the Voyager 1 and Voyager 2 probes confirmed to have entered the interstellar medium. The concept of extraterrestrial life, especially intelligent life, has greatly influenced culture and fiction. A key debate centers on contacting extraterrestrial intelligence: some advocate active attempts, while others warn it could be risky, given human history of exploiting other societies. Context Initially, after the Big Bang, the universe was too hot to allow life. It is estimated that the temperature of the universe was around 10 billion Kelvin at the one-second mark. Roughly 15 million years later, it cooled to temperate levels, though the elements of organic life were yet nonexistent. The only freely available elements at that point were hydrogen and helium. Carbon and oxygen (and later, water) would not appear until 50 million years later, created through stellar fusion. At that point, the difficulty for life to appear was not the temperature, but the scarcity of free heavy elements. Planetary systems emerged, and the first organic compounds may have formed in the protoplanetary disk of dust grains that would eventually create rocky planets like Earth. Although Earth was in a molten state after its birth and may have burned any organics that fell on it, it would have been more receptive once it cooled down. Once the right conditions on Earth were met, life started by a chemical process known as abiogenesis. Alternatively, life may have formed less frequently, then spread—by meteoroids, for example—between habitable planets in a process called panspermia. During most of its stellar evolution, stars combine hydrogen nuclei to make helium nuclei by stellar fusion, and the comparatively lighter weight of helium allows the star to release the extra energy. The process continues until the star uses all of its available fuel, with the speed of consumption being related to the size of the star. During its last stages, stars start combining helium nuclei to form carbon nuclei. The larger stars can further combine carbon nuclei to create oxygen and silicon, oxygen into neon and sulfur, and so on until iron. Ultimately, the star blows much of its content back into the stellar medium, where it would join clouds that would eventually become new generations of stars and planets. Many of those materials are the raw components of life on Earth. As this process takes place in all the universe, said materials are ubiquitous in the cosmos and not a rarity from the Solar System. Earth is a planet in the Solar System, a planetary system formed by a star at the center, the Sun, and the objects that orbit it: other planets, moons, asteroids, and comets. The sun is part of the Milky Way, a galaxy. The Milky Way is part of the Local Group, a galaxy group that is in turn part of the Laniakea Supercluster. The universe is composed of all similar structures in existence. The immense distances between celestial objects are a difficulty for studying extraterrestrial life. So far, humans have only set foot on the Moon and sent robotic probes to other planets and moons in the Solar System. Although probes can withstand conditions that may be lethal to humans, the distances cause time delays: the New Horizons took nine years after launch to reach Pluto. No probe has ever reached extrasolar planetary systems. The Voyager 2 left the Solar System at a speed of 50,000 kilometers per hour; if it headed towards the Alpha Centauri system, the closest one to Earth at 4.4 light years, it would reach it in 100,000 years. Under current technology, such systems can only be studied by telescopes, which have limitations. It is estimated that dark matter has a larger amount of combined matter than stars and gas clouds, but as it plays no role in the stellar evolution of stars and planets, it is usually not taken into account by astrobiology. There is an area around a star, the circumstellar habitable zone or "Goldilocks zone", wherein water may be at the right temperature to exist in liquid form at a planetary surface. This area is neither too close to the star, where water would become steam, nor too far away, where water would be frozen as ice. However, although useful as an approximation, planetary habitability is complex and defined by several factors. Being in the habitable zone is not enough for a planet to be habitable, not even to actually have such liquid water. Venus is located in the solar system's habitable zone, but does not have liquid water because of the conditions of its atmosphere. Jovian planets or gas giants are not considered habitable even if they orbit close enough to their stars as hot Jupiters, due to crushing atmospheric pressures. The actual distances for the habitable zones vary according to the type of star, and even the solar activity of each specific star influences the local habitability. The type of star also defines the time the habitable zone will exist, as its presence and limits will change along with the star's stellar evolution. The Big Bang occurred 13.8 billion years ago, the Solar System was formed 4.6 billion years ago, and the first hominids appeared 6 million years ago. Life on other planets may have started, evolved, given birth to extraterrestrial intelligences, and perhaps even faced a planetary extinction event millions or billions of years ago. When considered from a cosmic perspective, the brief times of existence of Earth's species may suggest that extraterrestrial life may be equally fleeting under such a scale. During a period of about 7 million years, from about 10 to 17 million years after the Big Bang, the background temperature was between 373 and 273 K (100 and 0 °C; 212 and 32 °F), allowing the possibility of liquid water if any planets existed. Avi Loeb (2014) speculated that primitive life might in principle have appeared during this window, which he called "the Habitable Epoch of the Early Universe". Life on Earth is quite ubiquitous across the planet and has adapted over time to almost all the available environments in it, extremophiles and the deep biosphere thrive at even the most hostile ones. As a result, it is inferred that life in other celestial bodies may be equally adaptive. However, the origin of life is unrelated to its ease of adaptation and may have stricter requirements. A celestial body may not have any life on it, even if it were habitable. Likelihood of existence Life in the cosmos beyond Earth has been observed. The hypothesis of ubiquitous extraterrestrial life relies on three main ideas. The first one, the size of the universe, allows for plenty of planets to have a similar habitability to Earth, and the age of the universe gives enough time for a long process analog to the history of Earth to happen there. The second is that the substances that make life, such as carbon and water, are ubiquitous in the universe. The third is that the physical laws are universal, which means that the forces that would facilitate or prevent the existence of life would be the same ones as on Earth. According to this argument, made by scientists such as Carl Sagan and Stephen Hawking, it would be improbable for life not to exist somewhere else other than Earth. This argument is embodied in the Copernican principle, which states that Earth does not occupy a unique position in the Universe, and the mediocrity principle, which states that there is nothing special about life on Earth. Other authors consider instead that life in the cosmos, or at least multicellular life, may actually be rare. The Rare Earth hypothesis maintains that life on Earth is possible because of a series of factors that range from the location in the galaxy and the configuration of the Solar System to local characteristics of the planet, and that it is unlikely that another planet simultaneously meets all such requirements. The proponents of this hypothesis consider that very little evidence suggests the existence of extraterrestrial life and that, at this point, it is just a desired result and not a reasonable scientific explanation for any gathered data. In 1961, astronomer and astrophysicist Frank Drake devised the Drake equation as a way to stimulate scientific dialogue at a meeting on the search for extraterrestrial intelligence (SETI). The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. The Drake equation is:: xix where: and Drake's proposed estimates are as follows, but numbers on the right side of the equation are agreed as speculative and open to substitution: 10,000 = 5 ⋅ 0.5 ⋅ 2 ⋅ 1 ⋅ 0.2 ⋅ 1 ⋅ 10,000 {\displaystyle 10{,}000=5\cdot 0.5\cdot 2\cdot 1\cdot 0.2\cdot 1\cdot 10{,}000} [better source needed] The Drake equation has proved controversial since, although it is written as a math equation, none of its values were known at the time. Although some values may eventually be measured, others are based on social sciences and are not knowable by their very nature. This does not allow one to make noteworthy conclusions from the equation. Based on observations from the Hubble Space Telescope, there are nearly 2 trillion galaxies in the observable universe. It is estimated that at least ten percent of all Sun-like stars have a system of planets. In other words, there are 6.25×1018 stars with planets orbiting them in the observable universe. Even if it is assumed that only one out of a billion of these stars has planets supporting life, there would be some 6.25 billion life-supporting planetary systems in the observable universe. A 2013 study based on results from the Kepler spacecraft estimated that the Milky Way contains at least as many planets as it does stars, resulting in 100–400 billion exoplanets. The Nebular hypothesis that explains the formation of the Solar System and other planetary systems would suggest that those can have several configurations, and not all of them may have rocky planets within the habitable zone. The apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilisations and the lack of evidence for such civilisations is known as the Fermi paradox. Dennis W. Sciama claimed that life's existence in the universe depends on various fundamental constants. Zhi-Wei Wang and Samuel L. Braunstein suggest that a random universe capable of supporting life is likely to be just barely able to do so, giving a potential explanation to the Fermi paradox. Biochemical basis If extraterrestrial life exists, it could range from simple microorganisms and multicellular organisms similar to animals or plants, to complex alien intelligences akin to humans. When scientists talk about extraterrestrial life, they consider all those types. Although it is possible that extraterrestrial life may have other configurations, scientists use the hierarchy of lifeforms from Earth for simplicity, as it is the only one known to exist. The first basic requirement for life is an environment with non-equilibrium thermodynamics, which means that the thermodynamic equilibrium must be broken by a source of energy. The traditional sources of energy in the cosmos are the stars, such as for life on Earth, which depends on the energy of the sun. However, there are other alternative energy sources, such as volcanoes, plate tectonics, and hydrothermal vents. There are ecosystems on Earth in deep areas of the ocean that do not receive sunlight, and take energy from black smokers instead. Magnetic fields and radioactivity have also been proposed as sources of energy, although they would be less efficient ones. Life on Earth requires water in a liquid state as a solvent in which biochemical reactions take place. It is highly unlikely that an abiogenesis process can start within a gaseous or solid medium: the atom speeds, either too fast or too slow, make it difficult for specific ones to meet and start chemical reactions. A liquid medium also allows the transport of nutrients and substances required for metabolism. Sufficient quantities of carbon and other elements, along with water, might enable the formation of living organisms on terrestrial planets with a chemical make-up and temperature range similar to that of Earth. Life based on ammonia rather than water has been suggested as an alternative, though this solvent appears less suitable than water. It is also conceivable that there are forms of life whose solvent is a liquid hydrocarbon, such as methane, ethane or propane. Another unknown aspect of potential extraterrestrial life would be the chemical elements that would compose it. Life on Earth is largely composed of carbon, but there could be other hypothetical types of biochemistry. A replacement for carbon would need to be able to create complex molecules, store information required for evolution, and be freely available in the medium. To create DNA, RNA, or a close analog, such an element should be able to bind its atoms with many others, creating complex and stable molecules. It should be able to create at least three covalent bonds: two for making long strings and at least a third to add new links and allow for diverse information. Only nine elements meet this requirement: boron, nitrogen, phosphorus, arsenic, antimony (three bonds), carbon, silicon, germanium and tin (four bonds). As for abundance, carbon, nitrogen, and silicon are the most abundant ones in the universe, far more than the others. On Earth's crust the most abundant of those elements is silicon, in the Hydrosphere it is carbon and in the atmosphere, it is carbon and nitrogen. Silicon, however, has disadvantages over carbon. The molecules formed with silicon atoms are less stable, and more vulnerable to acids, oxygen, and light. An ecosystem of silicon-based lifeforms would require very low temperatures, high atmospheric pressure, an atmosphere devoid of oxygen, and a solvent other than water. The low temperatures required would add an extra problem, the difficulty to kickstart a process of abiogenesis to create life in the first place. Norman Horowitz, head of the Jet Propulsion Laboratory bioscience section for the Mariner and Viking missions from 1965 to 1976 considered that the great versatility of the carbon atom makes it the element most likely to provide solutions, even exotic solutions, to the problems of survival of life on other planets. However, he also considered that the conditions found on Mars were incompatible with carbon based life. Even if extraterrestrial life is based on carbon and uses water as a solvent, like Earth life, it may still have a radically different biochemistry. Life is generally considered to be a product of natural selection. It has been proposed that to undergo natural selection a living entity must have the capacity to replicate itself, the capacity to avoid damage/decay, and the capacity to acquire and process resources in support of the first two capacities. Life on Earth may have started with an RNA world and later evolved to its current form, where some of the RNA tasks were transferred to DNA and proteins. Extraterrestrial life may still be stuck using RNA, or evolve into other configurations. It is unclear if our biochemistry is the most efficient one that could be generated, or which elements would follow a similar pattern. However, it is likely that, even if cells had a different composition to those from Earth, they would still have a cell membrane. Life on Earth jumped from prokaryotes to eukaryotes and from unicellular organisms to multicellular organisms through evolution. So far no alternative process to achieve such a result has been conceived, even if hypothetical. Evolution requires life to be divided into individual organisms, and no alternative organisation has been satisfactorily proposed either. At the basic level, membranes define the limit of a cell, between it and its environment, while remaining partially open to exchange energy and resources with it. The evolution from simple cells to eukaryotes, and from them to multicellular lifeforms, is not guaranteed. The Cambrian explosion took place thousands of millions of years after the origin of life, and its causes are not fully known yet. On the other hand, the jump to multicellularity took place several times, which suggests that it could be a case of convergent evolution, and so likely to take place on other planets as well. Palaeontologist Simon Conway Morris considers that convergent evolution would lead to kingdoms similar to our plants and animals, and that many features are likely to develop in alien animals as well, such as bilateral symmetry, limbs, digestive systems and heads with sensory organs. Scientists from the University of Oxford analysed it from the perspective of evolutionary theory and wrote in a study in the International Journal of Astrobiology that aliens may be similar to humans. The planetary context would also have an influence: a planet with higher gravity would have smaller animals, and other types of stars can lead to non-green photosynthesizers. The amount of energy available would also affect biodiversity, as an ecosystem sustained by black smokers or hydrothermal vents would have less energy available than those sustained by a star's light and heat, and so its lifeforms would not grow beyond a certain complexity. There is also research in assessing the capacity of life for developing intelligence. It has been suggested that this capacity arises with the number of potential niches a planet contains, and that the complexity of life itself is reflected in the information density of planetary environments, which in turn can be computed from its niches. It is common knowledge that the conditions on other planets in the solar system, in addition to the many galaxies outside of the Milky Way galaxy, are very harsh and seem to be too extreme to harbor any life. The environmental conditions on these planets can have intense UV radiation paired with extreme temperatures, lack of water, and much more that can lead to conditions that don't seem to favor the creation or maintenance of extraterrestrial life. However, there has been much historical evidence that some of the earliest and most basic forms of life on Earth originated in some extreme environments that seem unlikely to have harbored life at least at one point in Earth's history. Fossil evidence as well as many historical theories backed up by years of research and studies have marked environments like hydrothermal vents or acidic hot springs as some of the first places that life could have originated on Earth. These environments can be considered extreme when compared to the typical ecosystems that the majority of life on Earth now inhabit, as hydrothermal vents are scorching hot due to the magma escaping from the Earth's mantle and meeting the much colder oceanic water. Even in today's world, there can be a diverse population of bacteria found inhabiting the area surrounding these hydrothermal vents which can suggest that some form of life can be supported even in the harshest of environments like the other planets in the solar system. The aspects of these harsh environments that make them ideal for the origin of life on Earth, as well as the possibility of creation of life on other planets, is the chemical reactions forming spontaneously. For example, the hydrothermal vents found on the ocean floor are known to support many chemosynthetic processes which allow organisms to utilize energy through reduced chemical compounds that fix carbon. In return, these reactions will allow for organisms to live in relatively low oxygenated environments while maintaining enough energy to support themselves. The early Earth environment was reducing and therefore, these carbon fixing compounds were necessary for the survival and possible origin of life on Earth. With the little amount of information that scientists have found regarding the atmosphere on other planets in the Milky Way galaxy and beyond, the atmospheres are most likely reducing or with very low oxygen levels, especially when compared with Earth's atmosphere. If there were the necessary elements and ions on these planets, the same carbon fixing, reduced chemical compounds occurring around hydrothermal vents could also occur on these planets' surfaces and possibly result in the origin of extraterrestrial life. Planetary habitability in the Solar System The Solar System has a wide variety of planets, dwarf planets, and moons, and each one is studied for its potential to host life. Each one has its own specific conditions that may benefit or harm life. So far, the only lifeforms found are those from Earth. No extraterrestrial intelligence other than humans exists or has ever existed within the Solar System. Astrobiologist Mary Voytek points out that it would be unlikely to find large ecosystems, as they would have already been detected by now. The inner Solar System is likely devoid of life. However, Venus is still of interest to astrobiologists, as it is a terrestrial planet that was likely similar to Earth in its early stages and developed in a different way. There is a greenhouse effect, the surface is the hottest in the Solar System, sulfuric acid clouds, all surface liquid water is lost, and it has a thick carbon-dioxide atmosphere with huge pressure. Comparing both helps to understand the precise differences that lead to beneficial or harmful conditions for life. And despite the conditions against life on Venus, there are suspicions that microbial life-forms may still survive in high-altitude clouds. Mars is a cold and almost airless desert, inhospitable to life. However, recent studies revealed that water on Mars used to be quite abundant, forming rivers, lakes, and perhaps even oceans. Mars may have been habitable back then, and life on Mars may have been possible. But when the planetary core ceased to generate a magnetic field, solar winds removed the atmosphere and the planet became vulnerable to solar radiation. Ancient life-forms may still have left fossilised remains, and microbes may still survive deep underground. As mentioned, the gas giants and ice giants are unlikely to contain life. The most distant solar system bodies, found in the Kuiper Belt and outwards, are locked in permanent deep-freeze, but cannot be ruled out completely. Although the giant planets themselves are highly unlikely to have life, there is much hope to find it on moons orbiting these planets. Europa, from the Jovian system, has a subsurface ocean below a thick layer of ice. Ganymede and Callisto also have subsurface oceans, but life is less likely in them because water is sandwiched between layers of solid ice. Europa would have contact between the ocean and the rocky surface, which helps the chemical reactions. It may be difficult to dig so deep in order to study those oceans, though. Enceladus, a tiny moon of Saturn with another subsurface ocean, may not need to be dug, as it releases water to space in eruption columns. The space probe Cassini flew inside one of these, but could not make a full study because NASA did not expect this phenomenon and did not equip the probe to study ocean water. Still, Cassini detected complex organic molecules, salts, evidence of hydrothermal activity, hydrogen, and methane. Titan is the only celestial body in the Solar System besides Earth that has liquid bodies on the surface. It has rivers, lakes, and rain of hydrocarbons, methane, and ethane, and even a cycle similar to Earth's water cycle. This special context encourages speculations about lifeforms with different biochemistry, but the cold temperatures would make such chemistry take place at a very slow pace. Water is rock-solid on the surface, but Titan does have a subsurface water ocean like several other moons. However, it is of such a great depth that it would be very difficult to access it for study. Scientific search The science that searches and studies life in the universe, both on Earth and elsewhere, is called astrobiology. With the study of Earth's life, the only known form of life, astrobiology seeks to study how life starts and evolves and the requirements for its continuous existence. This helps to determine what to look for when searching for life in other celestial bodies. This is a complex area of study, and uses the combined perspectives of several scientific disciplines, such as astronomy, biology, chemistry, geology, oceanography, and atmospheric sciences. The scientific search for extraterrestrial life is being carried out both directly and indirectly. As of September 2017[update], 3,667 exoplanets in 2,747 systems have been identified, and other planets and moons in the Solar System hold the potential for hosting primitive life such as microorganisms. As of 8 February 2021, an updated status of studies considering the possible detection of lifeforms on Venus (via phosphine) and Mars (via methane) was reported. Scientists search for biosignatures within the Solar System by studying planetary surfaces and examining meteorites. Some claim to have identified evidence that microbial life has existed on Mars. In 1996, a controversial report stated that structures resembling nanobacteria were discovered in a meteorite, ALH84001, formed of rock ejected from Mars. Although all the unusual properties of the meteorite were eventually explained as the result of inorganic processes, the controversy over its discovery laid the groundwork for the development of astrobiology. An experiment on the two Viking Mars landers reported gas emissions from heated Martian soil samples that some scientists argue are consistent with the presence of living microorganisms. Lack of corroborating evidence from other experiments on the same samples suggests that a non-biological reaction is a more likely hypothesis. In February 2005 NASA scientists reported they may have found some evidence of extraterrestrial life on Mars. The two scientists, Carol Stoker and Larry Lemke of NASA's Ames Research Center, based their claim on methane signatures found in Mars's atmosphere resembling the methane production of some forms of primitive life on Earth, as well as on their own study of primitive life near the Rio Tinto river in Spain. NASA officials soon distanced NASA from the scientists' claims, and Stoker herself backed off from her initial assertions. In November 2011, NASA launched the Mars Science Laboratory that landed the Curiosity rover on Mars. It is designed to assess the past and present habitability on Mars using a variety of scientific instruments. The rover landed on Mars at Gale Crater in August 2012. A group of scientists at Cornell University started a catalog of microorganisms, with the way each one reacts to sunlight. The goal is to help with the search for similar organisms in exoplanets, as the starlight reflected by planets rich in such organisms would have a specific spectrum, unlike that of starlight reflected from lifeless planets. If Earth was studied from afar with this system, it would reveal a shade of green, as a result of the abundance of plants with photosynthesis. In August 2011, NASA studied meteorites found on Antarctica, finding adenine, guanine, hypoxanthine, and xanthine. Adenine and guanine are components of DNA, and the others are used in other biological processes. The studies ruled out pollution of the meteorites on Earth, as those components would not be freely available the way they were found in the samples. This discovery suggests that several organic molecules that serve as building blocks of life may be generated within asteroids and comets. In October 2011, scientists reported that cosmic dust contains complex organic compounds ("amorphous organic solids with a mixed aromatic-aliphatic structure") that could be created naturally, and rapidly, by stars. It is still unclear if those compounds played a role in the creation of life on Earth, but Sun Kwok, of the University of Hong Kong, thinks so. "If this is the case, life on Earth may have had an easier time getting started as these organics can serve as basic ingredients for life." In August 2012, and in a world first, astronomers at Copenhagen University reported the detection of a specific sugar molecule, glycolaldehyde, in a distant star system. The molecule was found around the protostellar binary IRAS 16293-2422, which is located 400 light years from Earth. Glycolaldehyde is needed to form ribonucleic acid, or RNA, which is similar in function to DNA. This finding suggests that complex organic molecules may form in stellar systems prior to the formation of planets, eventually arriving on young planets early in their formation. In December 2023, astronomers reported the first time discovery, in the plumes of Enceladus, moon of the planet Saturn, of hydrogen cyanide, a possible chemical essential for life as we know it, as well as other organic molecules, some of which are yet to be better identified and understood. According to the researchers, "these [newly discovered] compounds could potentially support extant microbial communities or drive complex organic synthesis leading to the origin of life." Although most searches are focused on the biology of extraterrestrial life, an extraterrestrial intelligence capable enough to develop a civilization may be detectable by other means as well. Technology may generate technosignatures, effects on the native planet that may not be caused by natural causes. There are three main types of techno-signatures considered: interstellar communications, effects on the atmosphere, and planetary-sized structures such as Dyson spheres. Organizations such as the SETI Institute search the cosmos for potential forms of communication. They started with radio waves, and now search for laser pulses as well. The challenge for this search is that there are natural sources of such signals as well, such as gamma-ray bursts and supernovae, and the difference between a natural signal and an artificial one would be in its specific patterns. Astronomers intend to use artificial intelligence for this, as it can manage large amounts of data and is devoid of biases and preconceptions. Besides, even if there is an advanced extraterrestrial civilization, there is no guarantee that it is transmitting radio communications in the direction of Earth. The length of time required for a signal to travel across space means that a potential answer may arrive decades or centuries after the initial message. The atmosphere of Earth is rich in nitrogen dioxide as a result of air pollution, which can be detectable. The natural abundance of carbon, which is also relatively reactive, makes it likely to be a basic component of the development of a potential extraterrestrial technological civilization, as it is on Earth. Fossil fuels may likely be generated and used on such worlds as well. The abundance of chlorofluorocarbons in the atmosphere can also be a clear technosignature, considering their role in ozone depletion. Light pollution may be another technosignature, as multiple lights on the night side of a rocky planet can be a sign of advanced technological development. However, modern telescopes are not strong enough to study exoplanets with the required level of detail to perceive it. The Kardashev scale proposes that a civilization may eventually start consuming energy directly from its local star. This would require giant structures built next to it, called Dyson spheres. Those speculative structures would cause an excess infrared radiation, that telescopes may notice. The infrared radiation is typical of young stars, surrounded by dusty protoplanetary disks that will eventually form planets. An older star such as the Sun would have no natural reason to have excess infrared radiation. The presence of heavy elements in a star's light-spectrum is another potential biosignature; such elements would (in theory) be found if the star were being used as an incinerator/repository for nuclear waste products. Some astronomers search for extrasolar planets that may be conducive to life, narrowing the search to terrestrial planets within the habitable zones of their stars. Since 1992, over four thousand exoplanets have been discovered (6,128 planets in 4,584 planetary systems including 1,017 multiple planetary systems as of 30 October 2025). The extrasolar planets so far discovered range in size from that of terrestrial planets similar to Earth's size to that of gas giants larger than Jupiter. The number of observed exoplanets is expected to increase greatly in the coming years.[better source needed] The Kepler space telescope has also detected a few thousand candidate planets, of which about 11% may be false positives. There is at least one planet on average per star. About 1 in 5 Sun-like stars[a] have an "Earth-sized"[b] planet in the habitable zone,[c] with the nearest expected to be within 12 light-years distance from Earth. Assuming 200 billion stars in the Milky Way,[d] that would be 11 billion potentially habitable Earth-sized planets in the Milky Way, rising to 40 billion if red dwarfs are included. The rogue planets in the Milky Way possibly number in the trillions. The nearest known exoplanet is Proxima Centauri b, located 4.2 light-years (1.3 pc) from Earth in the southern constellation of Centaurus. As of March 2014[update], the least massive exoplanet known is PSR B1257+12 A, which is about twice the mass of the Moon. The most massive planet listed on the NASA Exoplanet Archive is DENIS-P J082303.1−491201 b, about 29 times the mass of Jupiter, although according to most definitions of a planet, it is too massive to be a planet and may be a brown dwarf instead. Almost all of the planets detected so far are within the Milky Way, but there have also been a few possible detections of extragalactic planets. The study of planetary habitability also considers a wide range of other factors in determining the suitability of a planet for hosting life. One sign that a planet probably already contains life is the presence of an atmosphere with significant amounts of oxygen, since that gas is highly reactive and generally would not last long without constant replenishment. This replenishment occurs on Earth through photosynthetic organisms. One way to analyse the atmosphere of an exoplanet is through spectrography when it transits its star, though this might only be feasible with dim stars like white dwarfs. History and cultural impact The modern concept of extraterrestrial life is based on assumptions that were not commonplace during the early days of astronomy. The first explanations for the celestial objects seen in the night sky were based on mythology. Scholars from Ancient Greece were the first to consider that the universe is inherently understandable and rejected explanations based on supernatural incomprehensible forces, such as the myth of the Sun being pulled across the sky in the chariot of Apollo. They had not developed the scientific method yet and based their ideas on pure thought and speculation, but they developed precursor ideas to it, such as that explanations had to be discarded if they contradict observable facts. The discussions of those Greek scholars established many of the pillars that would eventually lead to the idea of extraterrestrial life, such as Earth being round and not flat. The cosmos was first structured in a geocentric model that considered that the sun and all other celestial bodies revolve around Earth. However, they did not consider them as worlds. In Greek understanding, the world was composed by both Earth and the celestial objects with noticeable movements. Anaximander thought that the cosmos was made from apeiron, a substance that created the world, and that the world would eventually return to the cosmos. Eventually two groups emerged, the atomists that thought that matter at both Earth and the cosmos was equally made of small atoms of the classical elements (earth, water, fire and air), and the Aristotelians who thought that those elements were exclusive of Earth and that the cosmos was made of a fifth one, the aether. Atomist Epicurus thought that the processes that created the world, its animals and plants should have created other worlds elsewhere, along with their own animals and plants. Aristotle thought instead that all the earth element naturally fell towards the center of the universe, and that would make it impossible for other planets to exist elsewhere. Under that reasoning, Earth was not only in the center, it was also the only planet in the universe. Cosmic pluralism, the plurality of worlds, or simply pluralism, describes the philosophical belief in numerous "worlds" in addition to Earth, which might harbor extraterrestrial life. The earliest recorded assertion of extraterrestrial human life is found in ancient scriptures of Jainism. There are multiple "worlds" mentioned in Jain scriptures that support human life. These include, among others, Bharat Kshetra, Mahavideh Kshetra, Airavat Kshetra, and Hari kshetra. Medieval Muslim writers like Fakhr al-Din al-Razi and Muhammad al-Baqir supported cosmic pluralism on the basis of the Qur'an. Chaucer's poem The House of Fame engaged in medieval thought experiments that postulated the plurality of worlds. However, those ideas about other worlds were different from the current knowledge about the structure of the universe, and did not postulate the existence of planetary systems other than the Solar System. When those authors talk about other worlds, they talk about places located at the center of their own systems, and with their own stellar vaults and cosmos surrounding them. The Greek ideas and the disputes between atomists and Aristotelians outlived the fall of the Greek empire. The Great Library of Alexandria compiled information about it, part of which was translated by Islamic scholars and thus survived the end of the Library. Baghdad combined the knowledge of the Greeks, the Indians, the Chinese and its own scholars, and the knowledge expanded through the Byzantine Empire. From there it eventually returned to Europe by the time of the Middle Ages. However, as the Greek atomist doctrine held that the world was created by random movements of atoms, with no need for a creator deity, it became associated with atheism, and the dispute intertwined with religious ones. Still, the Church did not react to those topics in a homogeneous way, and there were stricter and more permissive views within the church itself. The first known mention of the term 'panspermia' was in the writings of the 5th-century BC Greek philosopher Anaxagoras. He proposed the idea that life exists everywhere. By the time of the late Middle Ages there were many known inaccuracies in the geocentric model, but it was kept in use because naked eye observations provided limited data. Nicolaus Copernicus started the Copernican Revolution by proposing that the planets revolve around the sun rather than Earth. His proposal had little acceptance at first because, as he kept the assumption that orbits were perfect circles, his model led to as many inaccuracies as the geocentric one. Tycho Brahe improved the available data with naked-eye observatories, which worked with highly complex sextants and quadrants. Tycho could not make sense of his observations, but Johannes Kepler did: orbits were not perfect circles, but ellipses. This knowledge benefited the Copernican model, which worked now almost perfectly. The invention of the telescope a short time later, perfected by Galileo Galilei, clarified the final doubts, and the paradigm shift was completed. Under this new understanding, the notion of extraterrestrial life became feasible: if Earth is but just a planet orbiting around a star, there may be planets similar to Earth elsewhere. The astronomical study of distant bodies also proved that physical laws are the same elsewhere in the universe as on Earth, with nothing making the planet truly special. The new ideas were met with resistance from the Catholic church. Galileo was tried for the heliocentric model, which was considered heretical, and forced to recant it. The best-known early-modern proponent of ideas of extraterrestrial life was the Italian philosopher Giordano Bruno, who argued in the 16th century for an infinite universe in which every star is surrounded by its own planetary system. Bruno wrote that other worlds "have no less virtue nor a nature different to that of our earth" and, like Earth, "contain animals and inhabitants". Bruno's belief in the plurality of worlds was one of the charges leveled against him by the Venetian Holy Inquisition, which tried and executed him. The heliocentric model was further strengthened by the postulation of the theory of gravity by Sir Isaac Newton. This theory provided the mathematics that explains the motions of all things in the universe, including planetary orbits. By this point, the geocentric model was definitely discarded. By this time, the use of the scientific method had become a standard, and new discoveries were expected to provide evidence and rigorous mathematical explanations. Science also took a deeper interest in the mechanics of natural phenomena, trying to explain not just the way nature works but also the reasons for working that way. There was very little actual discussion about extraterrestrial life before this point, as the Aristotelian ideas remained influential while geocentrism was still accepted. When it was finally proved wrong, it not only meant that Earth was not the center of the universe, but also that the lights seen in the sky were not just lights, but physical objects. The notion that life may exist in them as well soon became an ongoing topic of discussion, although one with no practical ways to investigate. The possibility of extraterrestrials remained a widespread speculation as scientific discovery accelerated. William Herschel, the discoverer of Uranus, was one of many 18th–19th-century astronomers who believed that the Solar System is populated by alien life. Other scholars of the period who championed "cosmic pluralism" included Immanuel Kant and Benjamin Franklin. At the height of the Enlightenment, even the Sun and Moon were considered candidates for extraterrestrial inhabitants. Speculation about life on Mars increased in the late 19th century, following telescopic observation of apparent Martian canals – which soon, however, turned out to be optical illusions. Despite this, in 1895, American astronomer Percival Lowell published his book Mars, followed by Mars and its Canals in 1906, proposing that the canals were the work of a long-gone civilisation. Spectroscopic analysis of Mars's atmosphere began in earnest in 1894, when U.S. astronomer William Wallace Campbell showed that neither water nor oxygen was present in the Martian atmosphere. By 1909 better telescopes and the best perihelic opposition of Mars since 1877 conclusively put an end to the canal hypothesis. As a consequence of the belief in the spontaneous generation there was little thought about the conditions of each celestial body: it was simply assumed that life would thrive anywhere. This theory was disproved by Louis Pasteur in the 19th century. Popular belief in thriving alien civilisations elsewhere in the solar system still remained strong until Mariner 4 and Mariner 9 provided close images of Mars, which debunked forever the idea of the existence of Martians and decreased the previous expectations of finding alien life in general. The end of the spontaneous generation belief forced investigation into the origin of life. Although abiogenesis is the more accepted theory, a number of authors reclaimed the term "panspermia" and proposed that life was brought to Earth from elsewhere. Some of those authors are Jöns Jacob Berzelius (1834), Kelvin (1871), Hermann von Helmholtz (1879) and, somewhat later, by Svante Arrhenius (1903). The science fiction genre, although not so named during the time, developed during the late 19th century. The expansion of the genre of extraterrestrials in fiction influenced the popular perception over the real-life topic, making people eager to jump to conclusions about the discovery of aliens. Science marched at a slower pace, some discoveries fueled expectations and others dashed excessive hopes. For example, with the advent of telescopes, most structures seen on the Moon or Mars were immediately attributed to Selenites or Martians, and later ones (such as more powerful telescopes) revealed that all such discoveries were natural features. A famous case is the Cydonia region of Mars, first imaged by the Viking 1 orbiter. The low-resolution photos showed a rock formation that resembled a human face, but later spacecraft took photos in higher detail that showed that there was nothing special about the site. The search and study of extraterrestrial life became a science of its own, astrobiology. Also known as exobiology, this discipline is studied by the NASA, the ESA, the INAF, and others. Astrobiology studies life from Earth as well, but with a cosmic perspective. For example, abiogenesis is of interest to astrobiology, not because of the origin of life on Earth, but for the chances of a similar process taking place in other celestial bodies. Many aspects of life, from its definition to its chemistry, are analyzed as either likely to be similar in all forms of life across the cosmos or only native to Earth. Astrobiology, however, remains constrained by the current lack of extraterrestrial life-forms to study, as all life on Earth comes from the same ancestor, and it is hard to infer general characteristics from a group with a single example to analyse. The 20th century came with great technological advances, speculations about future hypothetical technologies, and an increased basic knowledge of science by the general population thanks to science divulgation through the mass media. The public interest in extraterrestrial life and the lack of discoveries by mainstream science led to the emergence of pseudosciences that provided affirmative, if questionable, answers to the existence of aliens. Ufology claims that many unidentified flying objects (UFOs) would be spaceships from alien species, and ancient astronauts hypothesis claim that aliens would have visited Earth in antiquity and prehistoric times but people would have failed to understand it by then. Most UFOs or UFO sightings can be readily explained as sightings of Earth-based aircraft (including top-secret aircraft), known astronomical objects or weather phenomenons, or as hoaxes. Looking beyond the pseudosciences, Lewis White Beck strove to elevate the level of public discourse on the topic of extraterrestrial life by tracing the evolution of philosophical thought over the centuries from ancient times into the modern era. His review of the contributions made by Lucretius, Plutarch, Aristotle, Copernicus, Immanuel Kant, John Wilkins, Charles Darwin and Karl Marx demonstrated that even in modern times, humanity could be profoundly influenced in its search for extraterrestrial life by subtle and comforting archetypal ideas which are largely derived from firmly held religious, philosophical and existential belief systems. On a positive note, however, Beck further argued that even if the search for extraterrestrial life proves to be unsuccessful, the endeavor itself could have beneficial consequences by assisting humanity in its attempt to actualize superior ways of living here on Earth. By the 21st century, it was accepted that multicellular life in the Solar System can only exist on Earth, but the interest in extraterrestrial life increased regardless. This is a result of the advances in several sciences. The knowledge of planetary habitability allows to consider on scientific terms the likelihood of finding life at each specific celestial body, as it is known which features are beneficial and harmful for life. Astronomy and telescopes also improved to the point exoplanets can be confirmed and even studied, increasing the number of search places. Life may still exist elsewhere in the Solar System in unicellular form, but the advances in spacecraft allow to send robots to study samples in situ, with tools of growing complexity and reliability. Although no extraterrestrial life has been found and life may still be just a rarity from Earth, there are scientific reasons to suspect that it can exist elsewhere, and technological advances that may detect it if it does. Many scientists are optimistic about the chances of finding alien life. In the words of SETI's Frank Drake, "All we know for sure is that the sky is not littered with powerful microwave transmitters". Drake noted that it is entirely possible that advanced technology results in communication being carried out in some way other than conventional radio transmission. At the same time, the data returned by space probes, and giant strides in detection methods, have allowed science to begin delineating habitability criteria on other worlds, and to confirm that at least other planets are plentiful, though aliens remain a question mark. The Wow! signal, detected in 1977 by a SETI project, remains a subject of speculative debate. On the other hand, other scientists are pessimistic. Jacques Monod wrote that "Man knows at last that he is alone in the indifferent immensity of the universe, whence which he has emerged by chance". In 2000, geologist and paleontologist Peter Ward and astrobiologist Donald Brownlee published a book entitled Rare Earth: Why Complex Life is Uncommon in the Universe.[better source needed] In it, they discussed the Rare Earth hypothesis, in which they claim that Earth-like life is rare in the universe, whereas microbial life is common. Ward and Brownlee are open to the idea of evolution on other planets that is not based on essential Earth-like characteristics such as DNA and carbon. As for the possible risks, theoretical physicist Stephen Hawking warned in 2010 that humans should not try to contact alien life forms. He warned that aliens might pillage Earth for resources. "If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans", he said. Jared Diamond had earlier expressed similar concerns. On 20 July 2015, Hawking and Russian billionaire Yuri Milner, along with the SETI Institute, announced a well-funded effort, called the Breakthrough Initiatives, to expand efforts to search for extraterrestrial life. The group contracted the services of the 100-meter Robert C. Byrd Green Bank Telescope in West Virginia in the United States and the 64-meter Parkes Telescope in New South Wales, Australia. On 13 February 2015, scientists (including Geoffrey Marcy, Seth Shostak, Frank Drake and David Brin) at a convention of the American Association for the Advancement of Science, discussed Active SETI and whether transmitting a message to possible intelligent extraterrestrials in the Cosmos was a good idea; one result was a statement, signed by many, that a "worldwide scientific, political and humanitarian discussion must occur before any message is sent". Government responses The 1967 Outer Space Treaty and the 1979 Moon Agreement define rules of planetary protection against potentially hazardous extraterrestrial life. COSPAR also provides guidelines for planetary protection. A committee of the United Nations Office for Outer Space Affairs had in 1977 discussed for a year strategies for interacting with extraterrestrial life or intelligence. The discussion ended without any conclusions. As of 2010, the UN lacks response mechanisms for the case of an extraterrestrial contact. One of the NASA divisions is the Office of Safety and Mission Assurance (OSMA), also known as the Planetary Protection Office. A part of its mission is to "rigorously preclude backward contamination of Earth by extraterrestrial life." In 2016, the Chinese Government released a white paper detailing its space program. According to the document, one of the research objectives of the program is the search for extraterrestrial life. It is also one of the objectives of the Chinese Five-hundred-meter Aperture Spherical Telescope (FAST) program. In 2020, Dmitry Rogozin, the head of the Russian space agency, said the search for extraterrestrial life is one of the main goals of deep space research. He also acknowledged the possibility of existence of primitive life on other planets of the Solar System. The French space agency has an office for the study of "non-identified aero spatial phenomena". The agency is maintaining a publicly accessible database of such phenomena, with over 1600 detailed entries. According to the head of the office, the vast majority of entries have a mundane explanation; but for 25% of entries, their extraterrestrial origin can neither be confirmed nor denied. In 2020, chairman of the Israel Space Agency Isaac Ben-Israel stated that the probability of detecting life in outer space is "quite large". But he disagrees with his former colleague Haim Eshed who stated that there are contacts between an advanced alien civilisation and some of Earth's governments. In fiction Although the idea of extraterrestrial peoples became feasible once astronomy developed enough to understand the nature of planets, they were not thought of as being any different from humans. Having no scientific explanation for the origin of mankind and its relation to other species, there was no reason to expect them to be any other way. This was changed by the 1859 book On the Origin of Species by Charles Darwin, which proposed the theory of evolution. Now with the notion that evolution on other planets may take other directions, science fiction authors created bizarre aliens, clearly distinct from humans. A usual way to do that was to add body features from other animals, such as insects or octopuses. Costuming and special effects feasibility alongside budget considerations forced films and TV series to tone down the fantasy, but these limitations lessened since the 1990s with the advent of computer-generated imagery (CGI), and later on as CGI became more effective and less expensive. Real-life events sometimes captivate people's imagination and this influences the works of fiction. For example, during the Barney and Betty Hill incident, the first recorded claim of an alien abduction, the couple reported that they were abducted and experimented on by aliens with oversized heads, big eyes, pale grey skin, and small noses, a description that eventually became the grey alien archetype once used in works of fiction. See also Notes References Further reading External links |
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[SOURCE: https://news.ycombinator.com/item?id=47094149] | [TOKENS: 585] |
No, these are the cool ones that take stuff out of the ground, not the ones that destroy everything above them reply Then I clicked on one and saw it was the name of our local rock quarry. :) reply reply reply reply reply reply reply reply reply reply reply https://mrdata.usgs.gov/ reply reply reply reply reply reply reply reply reply reply reply reply reply (I guess technically a "surface mine" for "Construction Sand and Gravel".) reply reply reply reply Not every mine is a "classic" underground mine with tunnels, etc.See (for example) the W.Australian SuperPit gold mine which consolidated every shaft mine in a particular region into a single open pit that goes deeper than any pre existing underground mine in that area. See (for example) the W.Australian SuperPit gold mine which consolidated every shaft mine in a particular region into a single open pit that goes deeper than any pre existing underground mine in that area. reply reply reply reply reply reply reply reply reply reply To answer the question posed, "how many (US?) mine sites pose a danger of type {X}" requires crawling the US BLM datasets, the OSHA datasets, the archived (from when active) MSHA datasets, and having a some luck onside for various specific sites due to large gaps and periods of not caring at all.See:* https://www.epa.gov/epcra/does-msha-have-jurisdiction-over-i...* https://www.blm.gov/programs/aml-environmental-cleanup/amlVarious transnational global mining companies (Rio Tinto, et al) have extensive datasets on global resources and minesites, both operational, and past and potential future sites. See:* https://www.epa.gov/epcra/does-msha-have-jurisdiction-over-i...* https://www.blm.gov/programs/aml-environmental-cleanup/amlVarious transnational global mining companies (Rio Tinto, et al) have extensive datasets on global resources and minesites, both operational, and past and potential future sites. * https://www.epa.gov/epcra/does-msha-have-jurisdiction-over-i...* https://www.blm.gov/programs/aml-environmental-cleanup/amlVarious transnational global mining companies (Rio Tinto, et al) have extensive datasets on global resources and minesites, both operational, and past and potential future sites. * https://www.blm.gov/programs/aml-environmental-cleanup/amlVarious transnational global mining companies (Rio Tinto, et al) have extensive datasets on global resources and minesites, both operational, and past and potential future sites. Various transnational global mining companies (Rio Tinto, et al) have extensive datasets on global resources and minesites, both operational, and past and potential future sites. reply reply reply |
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[SOURCE: https://en.wikipedia.org/wiki/Fox_One] | [TOKENS: 525] |
Contents Fox One Fox One is a streaming television service owned by Fox Corporation that was launched on August 21, 2025. The service includes programming from all of Fox's broadcast and most of their cable properties, except Fox Soccer Plus, and is available in a bundle with Fox Nation. Pay TV providers which provide access to the company's networks through TV Everywhere authentication will automatically allow access to the service for their subscribers for no additional cost, including streaming access to Fox affiliates. History In July 2023, Fox shut down its TV Everywhere app "Fox Now", splitting up its networks and content amongst the Fox Sports, Fox News, Fox Local, and Tubi apps. Less than two years later, in February 2025, following the cancellation of the proposed joint venture Venu Sports, Fox hired Venu's former CEO, Pete Distad and announced a replacement service, named Fox One. In early August 2025, Fox announced the service would launch on August 21 and cost $19.99 per month at launch. A bundle with Fox Nation would cost $24.99 per month. There will be no original nor exclusive content specifically produced for the service. Fox One was officially launched in the United States on August 21, 2025, by Fox Corporation. The service was introduced as the company’s first unified streaming platform combining its news, sports, and entertainment programming, ignoring Fox Now's previous existence. On October 2, 2025, Fox One added a bundled subscription with ESPN Unlimited priced at $39.99 per month, giving subscribers access to ESPN’s linear networks, ESPN+, and other digital sports content. On October 20, 2025, it was announced that the service would launch in Mexico, replacing Caliente TV. It would be available on Claro Video starting that day, gradually on other platforms, and as a standalone app starting at the end of the year. Programming The service includes live and on-demand access to Fox Broadcasting Company, Fox's regional owned-and-operated stations, Fox News, Fox Business, Fox Weather, Fox Sports, Fox Sports 1, Fox Sports 2, Big Ten Network, and Fox Deportes. Subscribers are able to bundle Fox Nation, Big Ten Plus, and/or ESPN's direct-to-consumer streaming service for an additional fee. The platform features content from the Fox sports channel in Mexico, including Liga MX, Liga MX Femenil, UEFA Champions League, Concacaf Champions Cup, Premier League, Ligue 1, MLB, LMB, Formula E, among others. See also References External links |
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[SOURCE: https://en.wikipedia.org/wiki/Animal#cite_ref-Brusca2016_132-1] | [TOKENS: 6011] |
Contents Animal Animals are multicellular, eukaryotic organisms belonging to the biological kingdom Animalia (/ˌænɪˈmeɪliə/). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development. Animals form a clade, meaning that they arose from a single common ancestor. Over 1.5 million living animal species have been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology, and the study of animal behaviour is known as ethology. The animal kingdom is divided into five major clades, namely Porifera, Ctenophora, Placozoa, Cnidaria and Bilateria. Most living animal species belong to the clade Bilateria, a highly proliferative clade whose members have a bilaterally symmetric and significantly cephalised body plan, and the vast majority of bilaterians belong to two large clades: the protostomes, which includes organisms such as arthropods, molluscs, flatworms, annelids and nematodes; and the deuterostomes, which include echinoderms, hemichordates and chordates, the latter of which contains the vertebrates. The much smaller basal phylum Xenacoelomorpha have an uncertain position within Bilateria. Animals first appeared in the fossil record in the late Cryogenian period and diversified in the subsequent Ediacaran period in what is known as the Avalon explosion. Nearly all modern animal phyla first appeared in the fossil record as marine species during the Cambrian explosion, which began around 539 million years ago (Mya), and most classes during the Ordovician radiation 485.4 Mya. Common to all living animals, 6,331 groups of genes have been identified that may have arisen from a single common ancestor that lived about 650 Mya during the Cryogenian period. Historically, Aristotle divided animals into those with blood and those without. Carl Linnaeus created the first hierarchical biological classification for animals in 1758 with his Systema Naturae, which Jean-Baptiste Lamarck expanded into 14 phyla by 1809. In 1874, Ernst Haeckel divided the animal kingdom into the multicellular Metazoa (now synonymous with Animalia) and the Protozoa, single-celled organisms no longer considered animals. In modern times, the biological classification of animals relies on advanced techniques, such as molecular phylogenetics, which are effective at demonstrating the evolutionary relationships between taxa. Humans make use of many other animal species for food (including meat, eggs, and dairy products), for materials (such as leather, fur, and wool), as pets and as working animals for transportation, and services. Dogs, the first domesticated animal, have been used in hunting, in security and in warfare, as have horses, pigeons and birds of prey; while other terrestrial and aquatic animals are hunted for sports, trophies or profits. Non-human animals are also an important cultural element of human evolution, having appeared in cave arts and totems since the earliest times, and are frequently featured in mythology, religion, arts, literature, heraldry, politics, and sports. Etymology The word animal comes from the Latin noun animal of the same meaning, which is itself derived from Latin animalis 'having breath or soul'. The biological definition includes all members of the kingdom Animalia. In colloquial usage, the term animal is often used to refer only to nonhuman animals. The term metazoa is derived from Ancient Greek μετα meta 'after' (in biology, the prefix meta- stands for 'later') and ζῷᾰ zōia 'animals', plural of ζῷον zōion 'animal'. A metazoan is any member of the group Metazoa. Characteristics Animals have several characteristics that they share with other living things. Animals are eukaryotic, multicellular, and aerobic, as are plants and fungi. Unlike plants and algae, which produce their own food, animals cannot produce their own food, a feature they share with fungi. Animals ingest organic material and digest it internally. Animals have structural characteristics that set them apart from all other living things: Typically, there is an internal digestive chamber with either one opening (in Ctenophora, Cnidaria, and flatworms) or two openings (in most bilaterians). Animal development is controlled by Hox genes, which signal the times and places to develop structures such as body segments and limbs. During development, the animal extracellular matrix forms a relatively flexible framework upon which cells can move about and be reorganised into specialised tissues and organs, making the formation of complex structures possible, and allowing cells to be differentiated. The extracellular matrix may be calcified, forming structures such as shells, bones, and spicules. In contrast, the cells of other multicellular organisms (primarily algae, plants, and fungi) are held in place by cell walls, and so develop by progressive growth. Nearly all animals make use of some form of sexual reproduction. They produce haploid gametes by meiosis; the smaller, motile gametes are spermatozoa and the larger, non-motile gametes are ova. These fuse to form zygotes, which develop via mitosis into a hollow sphere, called a blastula. In sponges, blastula larvae swim to a new location, attach to the seabed, and develop into a new sponge. In most other groups, the blastula undergoes more complicated rearrangement. It first invaginates to form a gastrula with a digestive chamber and two separate germ layers, an external ectoderm and an internal endoderm. In most cases, a third germ layer, the mesoderm, also develops between them. These germ layers then differentiate to form tissues and organs. Repeated instances of mating with a close relative during sexual reproduction generally leads to inbreeding depression within a population due to the increased prevalence of harmful recessive traits. Animals have evolved numerous mechanisms for avoiding close inbreeding. Some animals are capable of asexual reproduction, which often results in a genetic clone of the parent. This may take place through fragmentation; budding, such as in Hydra and other cnidarians; or parthenogenesis, where fertile eggs are produced without mating, such as in aphids. Ecology Animals are categorised into ecological groups depending on their trophic levels and how they consume organic material. Such groupings include carnivores (further divided into subcategories such as piscivores, insectivores, ovivores, etc.), herbivores (subcategorised into folivores, graminivores, frugivores, granivores, nectarivores, algivores, etc.), omnivores, fungivores, scavengers/detritivores, and parasites. Interactions between animals of each biome form complex food webs within that ecosystem. In carnivorous or omnivorous species, predation is a consumer–resource interaction where the predator feeds on another organism, its prey, who often evolves anti-predator adaptations to avoid being fed upon. Selective pressures imposed on one another lead to an evolutionary arms race between predator and prey, resulting in various antagonistic/competitive coevolutions. Almost all multicellular predators are animals. Some consumers use multiple methods; for example, in parasitoid wasps, the larvae feed on the hosts' living tissues, killing them in the process, but the adults primarily consume nectar from flowers. Other animals may have very specific feeding behaviours, such as hawksbill sea turtles which mainly eat sponges. Most animals rely on biomass and bioenergy produced by plants and phytoplanktons (collectively called producers) through photosynthesis. Herbivores, as primary consumers, eat the plant material directly to digest and absorb the nutrients, while carnivores and other animals on higher trophic levels indirectly acquire the nutrients by eating the herbivores or other animals that have eaten the herbivores. Animals oxidise carbohydrates, lipids, proteins and other biomolecules in cellular respiration, which allows the animal to grow and to sustain basal metabolism and fuel other biological processes such as locomotion. Some benthic animals living close to hydrothermal vents and cold seeps on the dark sea floor consume organic matter produced through chemosynthesis (via oxidising inorganic compounds such as hydrogen sulfide) by archaea and bacteria. Animals originated in the ocean; all extant animal phyla, except for Micrognathozoa and Onychophora, feature at least some marine species. However, several lineages of arthropods begun to colonise land around the same time as land plants, probably between 510 and 471 million years ago, during the Late Cambrian or Early Ordovician. Vertebrates such as the lobe-finned fish Tiktaalik started to move on to land in the late Devonian, about 375 million years ago. Other notable animal groups that colonized land environments are Mollusca, Platyhelmintha, Annelida, Tardigrada, Onychophora, Rotifera, Nematoda. Animals occupy virtually all of earth's habitats and microhabitats, with faunas adapted to salt water, hydrothermal vents, fresh water, hot springs, swamps, forests, pastures, deserts, air, and the interiors of other organisms. Animals are however not particularly heat tolerant; very few of them can survive at constant temperatures above 50 °C (122 °F) or in the most extreme cold deserts of continental Antarctica. The collective global geomorphic influence of animals on the processes shaping the Earth's surface remains largely understudied, with most studies limited to individual species and well-known exemplars. Diversity The blue whale (Balaenoptera musculus) is the largest animal that has ever lived, weighing up to 190 tonnes and measuring up to 33.6 metres (110 ft) long. The largest extant terrestrial animal is the African bush elephant (Loxodonta africana), weighing up to 12.25 tonnes and measuring up to 10.67 metres (35.0 ft) long. The largest terrestrial animals that ever lived were titanosaur sauropod dinosaurs such as Argentinosaurus, which may have weighed as much as 73 tonnes, and Supersaurus which may have reached 39 metres. Several animals are microscopic; some Myxozoa (obligate parasites within the Cnidaria) never grow larger than 20 μm, and one of the smallest species (Myxobolus shekel) is no more than 8.5 μm when fully grown. The following table lists estimated numbers of described extant species for the major animal phyla, along with their principal habitats (terrestrial, fresh water, and marine), and free-living or parasitic ways of life. Species estimates shown here are based on numbers described scientifically; much larger estimates have been calculated based on various means of prediction, and these can vary wildly. For instance, around 25,000–27,000 species of nematodes have been described, while published estimates of the total number of nematode species include 10,000–20,000; 500,000; 10 million; and 100 million. Using patterns within the taxonomic hierarchy, the total number of animal species—including those not yet described—was calculated to be about 7.77 million in 2011.[a] 3,000–6,500 4,000–25,000 Evolutionary origin Evidence of animals is found as long ago as the Cryogenian period. 24-Isopropylcholestane (24-ipc) has been found in rocks from roughly 650 million years ago; it is only produced by sponges and pelagophyte algae. Its likely origin is from sponges based on molecular clock estimates for the origin of 24-ipc production in both groups. Analyses of pelagophyte algae consistently recover a Phanerozoic origin, while analyses of sponges recover a Neoproterozoic origin, consistent with the appearance of 24-ipc in the fossil record. The first body fossils of animals appear in the Ediacaran, represented by forms such as Charnia and Spriggina. It had long been doubted whether these fossils truly represented animals, but the discovery of the animal lipid cholesterol in fossils of Dickinsonia establishes their nature. Animals are thought to have originated under low-oxygen conditions, suggesting that they were capable of living entirely by anaerobic respiration, but as they became specialised for aerobic metabolism they became fully dependent on oxygen in their environments. Many animal phyla first appear in the fossil record during the Cambrian explosion, starting about 539 million years ago, in beds such as the Burgess Shale. Extant phyla in these rocks include molluscs, brachiopods, onychophorans, tardigrades, arthropods, echinoderms and hemichordates, along with numerous now-extinct forms such as the predatory Anomalocaris. The apparent suddenness of the event may however be an artefact of the fossil record, rather than showing that all these animals appeared simultaneously. That view is supported by the discovery of Auroralumina attenboroughii, the earliest known Ediacaran crown-group cnidarian (557–562 mya, some 20 million years before the Cambrian explosion) from Charnwood Forest, England. It is thought to be one of the earliest predators, catching small prey with its nematocysts as modern cnidarians do. Some palaeontologists have suggested that animals appeared much earlier than the Cambrian explosion, possibly as early as 1 billion years ago. Early fossils that might represent animals appear for example in the 665-million-year-old rocks of the Trezona Formation of South Australia. These fossils are interpreted as most probably being early sponges. Trace fossils such as tracks and burrows found in the Tonian period (from 1 gya) may indicate the presence of triploblastic worm-like animals, roughly as large (about 5 mm wide) and complex as earthworms. However, similar tracks are produced by the giant single-celled protist Gromia sphaerica, so the Tonian trace fossils may not indicate early animal evolution. Around the same time, the layered mats of microorganisms called stromatolites decreased in diversity, perhaps due to grazing by newly evolved animals. Objects such as sediment-filled tubes that resemble trace fossils of the burrows of wormlike animals have been found in 1.2 gya rocks in North America, in 1.5 gya rocks in Australia and North America, and in 1.7 gya rocks in Australia. Their interpretation as having an animal origin is disputed, as they might be water-escape or other structures. Phylogeny Animals are monophyletic, meaning they are derived from a common ancestor. Animals are the sister group to the choanoflagellates, with which they form the Choanozoa. Ros-Rocher and colleagues (2021) trace the origins of animals to unicellular ancestors, providing the external phylogeny shown in the cladogram. Uncertainty of relationships is indicated with dashed lines. The animal clade had certainly originated by 650 mya, and may have come into being as much as 800 mya, based on molecular clock evidence for different phyla. Holomycota (inc. fungi) Ichthyosporea Pluriformea Filasterea The relationships at the base of the animal tree have been debated. Other than Ctenophora, the Bilateria and Cnidaria are the only groups with symmetry, and other evidence shows they are closely related. In addition to sponges, Placozoa has no symmetry and was often considered a "missing link" between protists and multicellular animals. The presence of hox genes in Placozoa shows that they were once more complex. The Porifera (sponges) have long been assumed to be sister to the rest of the animals, but there is evidence that the Ctenophora may be in that position. Molecular phylogenetics has supported both the sponge-sister and ctenophore-sister hypotheses. In 2017, Roberto Feuda and colleagues, using amino acid differences, presented both, with the following cladogram for the sponge-sister view that they supported (their ctenophore-sister tree simply interchanging the places of ctenophores and sponges): Porifera Ctenophora Placozoa Cnidaria Bilateria Conversely, a 2023 study by Darrin Schultz and colleagues uses ancient gene linkages to construct the following ctenophore-sister phylogeny: Ctenophora Porifera Placozoa Cnidaria Bilateria Sponges are physically very distinct from other animals, and were long thought to have diverged first, representing the oldest animal phylum and forming a sister clade to all other animals. Despite their morphological dissimilarity with all other animals, genetic evidence suggests sponges may be more closely related to other animals than the comb jellies are. Sponges lack the complex organisation found in most other animal phyla; their cells are differentiated, but in most cases not organised into distinct tissues, unlike all other animals. They typically feed by drawing in water through pores, filtering out small particles of food. The Ctenophora and Cnidaria are radially symmetric and have digestive chambers with a single opening, which serves as both mouth and anus. Animals in both phyla have distinct tissues, but these are not organised into discrete organs. They are diploblastic, having only two main germ layers, ectoderm and endoderm. The tiny placozoans have no permanent digestive chamber and no symmetry; they superficially resemble amoebae. Their phylogeny is poorly defined, and under active research. The remaining animals, the great majority—comprising some 29 phyla and over a million species—form the Bilateria clade, which have a bilaterally symmetric body plan. The Bilateria are triploblastic, with three well-developed germ layers, and their tissues form distinct organs. The digestive chamber has two openings, a mouth and an anus, and in the Nephrozoa there is an internal body cavity, a coelom or pseudocoelom. These animals have a head end (anterior) and a tail end (posterior), a back (dorsal) surface and a belly (ventral) surface, and a left and a right side. A modern consensus phylogenetic tree for the Bilateria is shown below. Xenacoelomorpha Ambulacraria Chordata Ecdysozoa Spiralia Having a front end means that this part of the body encounters stimuli, such as food, favouring cephalisation, the development of a head with sense organs and a mouth. Many bilaterians have a combination of circular muscles that constrict the body, making it longer, and an opposing set of longitudinal muscles, that shorten the body; these enable soft-bodied animals with a hydrostatic skeleton to move by peristalsis. They also have a gut that extends through the basically cylindrical body from mouth to anus. Many bilaterian phyla have primary larvae which swim with cilia and have an apical organ containing sensory cells. However, over evolutionary time, descendant spaces have evolved which have lost one or more of each of these characteristics. For example, adult echinoderms are radially symmetric (unlike their larvae), while some parasitic worms have extremely simplified body structures. Genetic studies have considerably changed zoologists' understanding of the relationships within the Bilateria. Most appear to belong to two major lineages, the protostomes and the deuterostomes. It is often suggested that the basalmost bilaterians are the Xenacoelomorpha, with all other bilaterians belonging to the subclade Nephrozoa. However, this suggestion has been contested, with other studies finding that xenacoelomorphs are more closely related to Ambulacraria than to other bilaterians. Protostomes and deuterostomes differ in several ways. Early in development, deuterostome embryos undergo radial cleavage during cell division, while many protostomes (the Spiralia) undergo spiral cleavage. Animals from both groups possess a complete digestive tract, but in protostomes the first opening of the embryonic gut develops into the mouth, and the anus forms secondarily. In deuterostomes, the anus forms first while the mouth develops secondarily. Most protostomes have schizocoelous development, where cells simply fill in the interior of the gastrula to form the mesoderm. In deuterostomes, the mesoderm forms by enterocoelic pouching, through invagination of the endoderm. The main deuterostome taxa are the Ambulacraria and the Chordata. Ambulacraria are exclusively marine and include acorn worms, starfish, sea urchins, and sea cucumbers. The chordates are dominated by the vertebrates (animals with backbones), which consist of fishes, amphibians, reptiles, birds, and mammals. The protostomes include the Ecdysozoa, named after their shared trait of ecdysis, growth by moulting, Among the largest ecdysozoan phyla are the arthropods and the nematodes. The rest of the protostomes are in the Spiralia, named for their pattern of developing by spiral cleavage in the early embryo. Major spiralian phyla include the annelids and molluscs. History of classification In the classical era, Aristotle divided animals,[d] based on his own observations, into those with blood (roughly, the vertebrates) and those without. The animals were then arranged on a scale from man (with blood, two legs, rational soul) down through the live-bearing tetrapods (with blood, four legs, sensitive soul) and other groups such as crustaceans (no blood, many legs, sensitive soul) down to spontaneously generating creatures like sponges (no blood, no legs, vegetable soul). Aristotle was uncertain whether sponges were animals, which in his system ought to have sensation, appetite, and locomotion, or plants, which did not: he knew that sponges could sense touch and would contract if about to be pulled off their rocks, but that they were rooted like plants and never moved about. In 1758, Carl Linnaeus created the first hierarchical classification in his Systema Naturae. In his original scheme, the animals were one of three kingdoms, divided into the classes of Vermes, Insecta, Pisces, Amphibia, Aves, and Mammalia. Since then, the last four have all been subsumed into a single phylum, the Chordata, while his Insecta (which included the crustaceans and arachnids) and Vermes have been renamed or broken up. The process was begun in 1793 by Jean-Baptiste de Lamarck, who called the Vermes une espèce de chaos ('a chaotic mess')[e] and split the group into three new phyla: worms, echinoderms, and polyps (which contained corals and jellyfish). By 1809, in his Philosophie Zoologique, Lamarck had created nine phyla apart from vertebrates (where he still had four phyla: mammals, birds, reptiles, and fish) and molluscs, namely cirripedes, annelids, crustaceans, arachnids, insects, worms, radiates, polyps, and infusorians. In his 1817 Le Règne Animal, Georges Cuvier used comparative anatomy to group the animals into four embranchements ('branches' with different body plans, roughly corresponding to phyla), namely vertebrates, molluscs, articulated animals (arthropods and annelids), and zoophytes (radiata) (echinoderms, cnidaria and other forms). This division into four was followed by the embryologist Karl Ernst von Baer in 1828, the zoologist Louis Agassiz in 1857, and the comparative anatomist Richard Owen in 1860. In 1874, Ernst Haeckel divided the animal kingdom into two subkingdoms: Metazoa (multicellular animals, with five phyla: coelenterates, echinoderms, articulates, molluscs, and vertebrates) and Protozoa (single-celled animals), including a sixth animal phylum, sponges. The protozoa were later moved to the former kingdom Protista, leaving only the Metazoa as a synonym of Animalia. In human culture The human population exploits a large number of other animal species for food, both of domesticated livestock species in animal husbandry and, mainly at sea, by hunting wild species. Marine fish of many species are caught commercially for food. A smaller number of species are farmed commercially. Humans and their livestock make up more than 90% of the biomass of all terrestrial vertebrates, and almost as much as all insects combined. Invertebrates including cephalopods, crustaceans, insects—principally bees and silkworms—and bivalve or gastropod molluscs are hunted or farmed for food, fibres. Chickens, cattle, sheep, pigs, and other animals are raised as livestock for meat across the world. Animal fibres such as wool and silk are used to make textiles, while animal sinews have been used as lashings and bindings, and leather is widely used to make shoes and other items. Animals have been hunted and farmed for their fur to make items such as coats and hats. Dyestuffs including carmine (cochineal), shellac, and kermes have been made from the bodies of insects. Working animals including cattle and horses have been used for work and transport from the first days of agriculture. Animals such as the fruit fly Drosophila melanogaster serve a major role in science as experimental models. Animals have been used to create vaccines since their discovery in the 18th century. Some medicines such as the cancer drug trabectedin are based on toxins or other molecules of animal origin. People have used hunting dogs to help chase down and retrieve animals, and birds of prey to catch birds and mammals, while tethered cormorants have been used to catch fish. Poison dart frogs have been used to poison the tips of blowpipe darts. A wide variety of animals are kept as pets, from invertebrates such as tarantulas, octopuses, and praying mantises, reptiles such as snakes and chameleons, and birds including canaries, parakeets, and parrots all finding a place. However, the most kept pet species are mammals, namely dogs, cats, and rabbits. There is a tension between the role of animals as companions to humans, and their existence as individuals with rights of their own. A wide variety of terrestrial and aquatic animals are hunted for sport. The signs of the Western and Chinese zodiacs are based on animals. In China and Japan, the butterfly has been seen as the personification of a person's soul, and in classical representation the butterfly is also the symbol of the soul. Animals have been the subjects of art from the earliest times, both historical, as in ancient Egypt, and prehistoric, as in the cave paintings at Lascaux. Major animal paintings include Albrecht Dürer's 1515 The Rhinoceros, and George Stubbs's c. 1762 horse portrait Whistlejacket. Insects, birds and mammals play roles in literature and film, such as in giant bug movies. Animals including insects and mammals feature in mythology and religion. The scarab beetle was sacred in ancient Egypt, and the cow is sacred in Hinduism. Among other mammals, deer, horses, lions, bats, bears, and wolves are the subjects of myths and worship. See also Notes References External links |
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Contents Black hole A black hole is an astronomical body so compact that its gravity prevents anything, including light, from escaping. Albert Einstein's theory of general relativity predicts that a sufficiently compact mass will form a black hole. The boundary of no escape is called the event horizon. In general relativity, a black hole's event horizon seals an object's fate but produces no locally detectable change when crossed. General relativity also predicts that every black hole should have a central singularity, where the curvature of spacetime is infinite. In many ways, a black hole acts like an ideal black body, as it reflects no light. Quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass. This temperature is of the order of billionths of a kelvin for stellar black holes, making it essentially impossible to observe directly. Objects whose gravitational fields are too strong for light to escape were first considered in the 18th century by John Michell and Pierre-Simon Laplace. In 1916, Karl Schwarzschild found the first modern solution of general relativity that would characterise a black hole. Due to his influential research, the Schwarzschild metric is named after him. David Finkelstein, in 1958, first interpreted Schwarzschild's model as a region of space from which nothing can escape. Black holes were long considered a mathematical curiosity; it was not until the 1960s that theoretical work showed they were a generic prediction of general relativity. The first black hole known was Cygnus X-1, identified by several researchers independently in 1971. Black holes typically form when massive stars collapse at the end of their life cycle. After a black hole has formed, it can grow by absorbing mass from its surroundings. Supermassive black holes of millions of solar masses may form by absorbing other stars and merging with other black holes, or via direct collapse of gas clouds. There is consensus that supermassive black holes exist in the centres of most galaxies. The presence of a black hole can be inferred through its interaction with other matter and with electromagnetic radiation such as visible light. Matter falling toward a black hole can form an accretion disk of infalling plasma, heated by friction and emitting light. In extreme cases, this creates a quasar, some of the brightest objects in the universe. Merging black holes can also be detected by observation of the gravitational waves they emit. If other stars are orbiting a black hole, their orbits can be used to determine the black hole's mass and location. Such observations can be used to exclude possible alternatives such as neutron stars. In this way, astronomers have identified numerous stellar black hole candidates in binary systems and established that the radio source known as Sagittarius A*, at the core of the Milky Way galaxy, contains a supermassive black hole of about 4.3 million solar masses. History The idea of a body so massive that even light could not escape was first proposed in the late 18th century by English astronomer and clergyman John Michell and independently by French scientist Pierre-Simon Laplace. Both scholars proposed very large stars in contrast to the modern concept of an extremely dense object. Michell's idea, in a short part of a letter published in 1784, calculated that a star with the same density but 500 times the radius of the sun would not let any emitted light escape; the surface escape velocity would exceed the speed of light.: 122 Michell correctly hypothesized that such supermassive but non-radiating bodies might be detectable through their gravitational effects on nearby visible bodies. In 1796, Laplace mentioned that a star could be invisible if it were sufficiently large while speculating on the origin of the Solar System in his book Exposition du Système du Monde. Franz Xaver von Zach asked Laplace for a mathematical analysis, which Laplace provided and published in a journal edited by von Zach. In 1905, Albert Einstein showed that the laws of electromagnetism would be invariant under a Lorentz transformation: they would be identical for observers travelling at different velocities relative to each other. This discovery became known as the principle of special relativity. Although the laws of mechanics had already been shown to be invariant, gravity remained yet to be included.: 19 In 1907, Einstein published a paper proposing his equivalence principle, the hypothesis that inertial mass and gravitational mass have a common cause. Using the principle, Einstein predicted the redshift and half of the lensing effect of gravity on light; the full prediction of gravitational lensing required development of general relativity.: 19 By 1915, Einstein refined these ideas into his general theory of relativity, which explained how matter affects spacetime, which in turn affects the motion of other matter. This formed the basis for black hole physics. Only a few months after Einstein published the field equations describing general relativity, astrophysicist Karl Schwarzschild set out to apply the idea to stars. He assumed spherical symmetry with no spin and found a solution to Einstein's equations.: 124 A few months after Schwarzschild, Johannes Droste, a student of Hendrik Lorentz, independently gave the same solution. At a certain radius from the center of the mass, the Schwarzschild solution became singular, meaning that some of the terms in the Einstein equations became infinite. The nature of this radius, which later became known as the Schwarzschild radius, was not understood at the time. Many physicists of the early 20th century were skeptical of the existence of black holes. In a 1926 popular science book, Arthur Eddington critiqued the idea of a star with mass compressed to its Schwarzschild radius as a flaw in the then-poorly-understood theory of general relativity.: 134 In 1939, Einstein himself used his theory of general relativity in an attempt to prove that black holes were impossible. His work relied on increasing pressure or increasing centrifugal force balancing the force of gravity so that the object would not collapse beyond its Schwarzschild radius. He missed the possibility that implosion would drive the system below this critical value.: 135 By the 1920s, astronomers had classified a number of white dwarf stars as too cool and dense to be explained by the gradual cooling of ordinary stars. In 1926, Ralph Fowler showed that quantum-mechanical degeneracy pressure was larger than thermal pressure at these densities.: 145 In 1931, Subrahmanyan Chandrasekhar calculated that a non-rotating body of electron-degenerate matter below a certain limiting mass is stable, and by 1934 he showed that this explained the catalog of white dwarf stars.: 151 When Chandrasekhar announced his results, Eddington pointed out that stars above this limit would radiate until they were sufficiently dense to prevent light from exiting, a conclusion he considered absurd. Eddington and, later, Lev Landau argued that some yet unknown mechanism would stop the collapse. In the 1930s, Fritz Zwicky and Walter Baade studied stellar novae, focusing on exceptionally bright ones they called supernovae. Zwicky promoted the idea that supernovae produced stars with the density of atomic nuclei—neutron stars—but this idea was largely ignored.: 171 In 1939, based on Chandrasekhar's reasoning, J. Robert Oppenheimer and George Volkoff predicted that neutron stars below a certain mass limit, later called the Tolman–Oppenheimer–Volkoff limit, would be stable due to neutron degeneracy pressure. Above that limit, they reasoned that either their model would not apply or that gravitational contraction would not stop.: 380 John Archibald Wheeler and two of his students resolved questions about the model behind the Tolman–Oppenheimer–Volkoff (TOV) limit. Harrison and Wheeler developed the equations of state relating density to pressure for cold matter all the way through electron degeneracy and neutron degeneracy. Masami Wakano and Wheeler then used the equations to compute the equilibrium curve for stars, relating mass to circumference. They found no additional features that would invalidate the TOV limit. This meant that the only thing that could prevent black holes from forming was a dynamic process ejecting sufficient mass from a star as it cooled.: 205 The modern concept of black holes was formulated by Robert Oppenheimer and his student Hartland Snyder in 1939.: 80 In the paper, Oppenheimer and Snyder solved Einstein's equations of general relativity for an idealized imploding star, in a model later called the Oppenheimer–Snyder model, then described the results from far outside the star. The implosion starts as one might expect: the star material rapidly collapses inward. However, as the density of the star increases, gravitational time dilation increases and the collapse, viewed from afar, seems to slow down further and further until the star reaches its Schwarzschild radius, where it appears frozen in time.: 217 In 1958, David Finkelstein identified the Schwarzschild surface as an event horizon, calling it "a perfect unidirectional membrane: causal influences can cross it in only one direction". In this sense, events that occur inside of the black hole cannot affect events that occur outside of the black hole. Finkelstein created a new reference frame to include the point of view of infalling observers.: 103 Finkelstein's new frame of reference allowed events at the surface of an imploding star to be related to events far away. By 1962 the two points of view were reconciled, convincing many skeptics that implosion into a black hole made physical sense.: 226 The era from the mid-1960s to the mid-1970s was the "golden age of black hole research", when general relativity and black holes became mainstream subjects of research.: 258 In this period, more general black hole solutions were found. In 1963, Roy Kerr found the exact solution for a rotating black hole. Two years later, Ezra Newman found the cylindrically symmetric solution for a black hole that is both rotating and electrically charged. In 1967, Werner Israel found that the Schwarzschild solution was the only possible solution for a nonspinning, uncharged black hole, meaning that a Schwarzschild black hole would be defined by its mass alone. Similar identities were later found for Reissner-Nordstrom and Kerr black holes, defined only by their mass and their charge or spin respectively. Together, these findings became known as the no-hair theorem, which states that a stationary black hole is completely described by the three parameters of the Kerr–Newman metric: mass, angular momentum, and electric charge. At first, it was suspected that the strange mathematical singularities found in each of the black hole solutions only appeared due to the assumption that a black hole would be perfectly spherically symmetric, and therefore the singularities would not appear in generic situations where black holes would not necessarily be symmetric. This view was held in particular by Vladimir Belinski, Isaak Khalatnikov, and Evgeny Lifshitz, who tried to prove that no singularities appear in generic solutions, although they would later reverse their positions. However, in 1965, Roger Penrose proved that general relativity without quantum mechanics requires that singularities appear in all black holes. Astronomical observations also made great strides during this era. In 1967, Antony Hewish and Jocelyn Bell Burnell discovered pulsars and by 1969, these were shown to be rapidly rotating neutron stars. Until that time, neutron stars, like black holes, were regarded as just theoretical curiosities, but the discovery of pulsars showed their physical relevance and spurred a further interest in all types of compact objects that might be formed by gravitational collapse. Based on observations in Greenwich and Toronto in the early 1970s, Cygnus X-1, a galactic X-ray source discovered in 1964, became the first astronomical object commonly accepted to be a black hole. Work by James Bardeen, Jacob Bekenstein, Carter, and Hawking in the early 1970s led to the formulation of black hole thermodynamics. These laws describe the behaviour of a black hole in close analogy to the laws of thermodynamics by relating mass to energy, area to entropy, and surface gravity to temperature. The analogy was completed: 442 when Hawking, in 1974, showed that quantum field theory implies that black holes should radiate like a black body with a temperature proportional to the surface gravity of the black hole, predicting the effect now known as Hawking radiation. While Cygnus X-1, a stellar-mass black hole, was generally accepted by the scientific community as a black hole by the end of 1973, it would be decades before a supermassive black hole would gain the same broad recognition. Although, as early as the 1960s, physicists such as Donald Lynden-Bell and Martin Rees had suggested that powerful quasars in the center of galaxies were powered by accreting supermassive black holes, little observational proof existed at the time. However, the Hubble Space Telescope, launched decades later, found that supermassive black holes were not only present in these active galactic nuclei, but that supermassive black holes in the center of galaxies were ubiquitous: Almost every galaxy had a supermassive black hole at its center, many of which were quiescent. In 1999, David Merritt proposed the M–sigma relation, which related the dispersion of the velocity of matter in the center bulge of a galaxy to the mass of the supermassive black hole at its core. Subsequent studies confirmed this correlation. Around the same time, based on telescope observations of the velocities of stars at the center of the Milky Way galaxy, independent work groups led by Andrea Ghez and Reinhard Genzel concluded that the compact radio source in the center of the galaxy, Sagittarius A*, was likely a supermassive black hole. On 11 February 2016, the LIGO Scientific Collaboration and Virgo Collaboration announced the first direct detection of gravitational waves, named GW150914, representing the first observation of a black hole merger. At the time of the merger, the black holes were approximately 1.4 billion light-years away from Earth and had masses of 30 and 35 solar masses.: 6 In 2017, Rainer Weiss, Kip Thorne, and Barry Barish, who had spearheaded the project, were awarded the Nobel Prize in Physics for their work. Since the initial discovery in 2015, hundreds more gravitational waves have been observed by LIGO and another interferometer, Virgo. On 10 April 2019, the first direct image of a black hole and its vicinity was published, following observations made by the Event Horizon Telescope (EHT) in 2017 of the supermassive black hole in Messier 87's galactic centre. In 2022, the Event Horizon Telescope collaboration released an image of the black hole in the center of the Milky Way galaxy, Sagittarius A*; The data had been collected in 2017. In 2020, the Nobel Prize in Physics was awarded for work on black holes. Andrea Ghez and Reinhard Genzel shared one-half for their discovery that Sagittarius A* is a supermassive black hole. Penrose received the other half for his work showing that the mathematics of general relativity requires the formation of black holes. Cosmologists lamented that Hawking's extensive theoretical work on black holes would not be honored since he died in 2018. In December 1967, a student reportedly suggested the phrase black hole at a lecture by John Wheeler; Wheeler adopted the term for its brevity and "advertising value", and Wheeler's stature in the field ensured it quickly caught on, leading some to credit Wheeler with coining the phrase. However, the term was used by others around that time. Science writer Marcia Bartusiak traces the term black hole to physicist Robert H. Dicke, who in the early 1960s reportedly compared the phenomenon to the Black Hole of Calcutta, notorious as a prison where people entered but never left alive. The term was used in print by Life and Science News magazines in 1963, and by science journalist Ann Ewing in her article "'Black Holes' in Space", dated 18 January 1964, which was a report on a meeting of the American Association for the Advancement of Science held in Cleveland, Ohio. Definition A black hole is generally defined as a region of spacetime from which no information-carrying signals or objects can escape. However, verifying an object as a black hole by this definition would require waiting for an infinite time and at an infinite distance from the black hole to verify that indeed, nothing has escaped, and thus cannot be used to identify a physical black hole. Broadly, physicists do not have a precisely-agreed-upon definition of a black hole. Among astrophysicists, a black hole is a compact object with a mass larger than four solar masses. A black hole may also be defined as a reservoir of information: 142 or a region where space is falling inwards faster than the speed of light. Properties The no-hair theorem postulates that, once it achieves a stable condition after formation, a black hole has only three independent physical properties: mass, electric charge, and angular momentum; the black hole is otherwise featureless. If the conjecture is true, any two black holes that share the same values for these properties, or parameters, are indistinguishable from one another. The degree to which the conjecture is true for real black holes is currently an unsolved problem. The simplest static black holes have mass but neither electric charge nor angular momentum. According to Birkhoff's theorem, these Schwarzschild black holes are the only vacuum solution that is spherically symmetric. Solutions describing more general black holes also exist. Non-rotating charged black holes are described by the Reissner–Nordström metric, while the Kerr metric describes a non-charged rotating black hole. The most general stationary black hole solution known is the Kerr–Newman metric, which describes a black hole with both charge and angular momentum. The simplest static black holes have mass but neither electric charge nor angular momentum. Contrary to the popular notion of a black hole "sucking in everything" in its surroundings, from far away, the external gravitational field of a black hole is identical to that of any other body of the same mass. While a black hole can theoretically have any positive mass, the charge and angular momentum are constrained by the mass. The total electric charge Q and the total angular momentum J are expected to satisfy the inequality Q 2 4 π ϵ 0 + c 2 J 2 G M 2 ≤ G M 2 {\displaystyle {\frac {Q^{2}}{4\pi \epsilon _{0}}}+{\frac {c^{2}J^{2}}{GM^{2}}}\leq GM^{2}} for a black hole of mass M. Black holes with the maximum possible charge or spin satisfying this inequality are called extremal black holes. Solutions of Einstein's equations that violate this inequality exist, but they do not possess an event horizon. These are so-called naked singularities that can be observed from the outside. Because these singularities make the universe inherently unpredictable, many physicists believe they could not exist. The weak cosmic censorship hypothesis, proposed by Sir Roger Penrose, rules out the formation of such singularities, when they are created through the gravitational collapse of realistic matter. However, this theory has not yet been proven, and some physicists believe that naked singularities could exist. It is also unknown whether black holes could even become extremal, forming naked singularities, since natural processes counteract increasing spin and charge when a black hole becomes near-extremal. The total mass of a black hole can be estimated by analyzing the motion of objects near the black hole, such as stars or gas. All black holes spin, often fast—One supermassive black hole, GRS 1915+105 has been estimated to spin at over 1,000 revolutions per second. The Milky Way's central black hole Sagittarius A* rotates at about 90% of the maximum rate. The spin rate can be inferred from measurements of atomic spectral lines in the X-ray range. As gas near the black hole plunges inward, high energy X-ray emission from electron-positron pairs illuminates the gas further out, appearing red-shifted due to relativistic effects. Depending on the spin of the black hole, this plunge happens at different radii from the hole, with different degrees of redshift. Astronomers can use the gap between the x-ray emission of the outer disk and the redshifted emission from plunging material to determine the spin of the black hole. A newer way to estimate spin is based on the temperature of gasses accreting onto the black hole. The method requires an independent measurement of the black hole mass and inclination angle of the accretion disk followed by computer modeling. Gravitational waves from coalescing binary black holes can also provide the spin of both progenitor black holes and the merged hole, but such events are rare. A spinning black hole has angular momentum. The supermassive black hole in the center of the Messier 87 (M87) galaxy appears to have an angular momentum very close to the maximum theoretical value. That uncharged limit is J ≤ G M 2 c , {\displaystyle J\leq {\frac {GM^{2}}{c}},} allowing definition of a dimensionless spin magnitude such that 0 ≤ c J G M 2 ≤ 1. {\displaystyle 0\leq {\frac {cJ}{GM^{2}}}\leq 1.} Most black holes are believed to have an approximately neutral charge. For example, Michal Zajaček, Arman Tursunov, Andreas Eckart, and Silke Britzen found the electric charge of Sagittarius A* to be at least ten orders of magnitude below the theoretical maximum. A charged black hole repels other like charges just like any other charged object. If a black hole were to become charged, particles with an opposite sign of charge would be pulled in by the extra electromagnetic force, while particles with the same sign of charge would be repelled, neutralizing the black hole. This effect may not be as strong if the black hole is also spinning. The presence of charge can reduce the diameter of the black hole by up to 38%. The charge Q for a nonspinning black hole is bounded by Q ≤ G M , {\displaystyle Q\leq {\sqrt {G}}M,} where G is the gravitational constant and M is the black hole's mass. Classification Black holes can have a wide range of masses. The minimum mass of a black hole formed by stellar gravitational collapse is governed by the maximum mass of a neutron star and is believed to be approximately two-to-four solar masses. However, theoretical primordial black holes, believed to have formed soon after the Big Bang, could be far smaller, with masses as little as 10−5 grams at formation. These very small black holes are sometimes called micro black holes. Black holes formed by stellar collapse are called stellar black holes. Estimates of their maximum mass at formation vary, but generally range from 10 to 100 solar masses, with higher estimates for black holes progenated by low-metallicity stars. The mass of a black hole formed via a supernova has a lower bound: If the progenitor star is too small, the collapse may be stopped by the degeneracy pressure of the star's constituents, allowing the condensation of matter into an exotic denser state. Degeneracy pressure occurs from the Pauli exclusion principle—Particles will resist being in the same place as each other. Smaller progenitor stars, with masses less than about 8 M☉, will be held together by the degeneracy pressure of electrons and will become a white dwarf. For more massive progenitor stars, electron degeneracy pressure is no longer strong enough to resist the force of gravity and the star will be held together by neutron degeneracy pressure, which can occur at much higher densities, forming a neutron star. If the star is still too massive, even neutron degeneracy pressure will not be able to resist the force of gravity and the star will collapse into a black hole.: 5.8 Stellar black holes can also gain mass via accretion of nearby matter, often from a companion object such as a star. Black holes that are larger than stellar black holes but smaller than supermassive black holes are called intermediate-mass black holes, with masses of approximately 102 to 105 solar masses. These black holes seem to be rarer than their stellar and supermassive counterparts, with relatively few candidates having been observed. Physicists have speculated that such black holes may form from collisions in globular and star clusters or at the center of low-mass galaxies. They may also form as the result of mergers of smaller black holes, with several LIGO observations finding merged black holes within the 110-350 solar mass range. The black holes with the largest masses are called supermassive black holes, with masses more than 106 times that of the Sun. These black holes are believed to exist at the centers of almost every large galaxy, including the Milky Way. Some scientists have proposed a subcategory of even larger black holes, called ultramassive black holes, with masses greater than 109-1010 solar masses. Theoretical models predict that the accretion disc that feeds black holes will be unstable once a black hole reaches 50-100 billion times the mass of the Sun, setting a rough upper limit to black hole mass. Structure While black holes are conceptually invisible sinks of all matter and light, in astronomical settings, their enormous gravity alters the motion of surrounding objects and pulls nearby gas inwards at near-light speed, making the area around black holes the brightest objects in the universe. Some black holes have relativistic jets—thin streams of plasma travelling away from the black hole at more than one-tenth of the speed of light. A small faction of the matter falling towards the black hole gets accelerated away along the hole rotation axis. These jets can extend as far as millions of parsecs from the black hole itself. Black holes of any mass can have jets. However, they are typically observed around spinning black holes with strongly-magnetized accretion disks. Relativistic jets were more common in the early universe, when galaxies and their corresponding supermassive black holes were rapidly gaining mass. All black holes with jets also have an accretion disk, but the jets are usually brighter than the disk. Quasars, typically found in other galaxies, are believed to be supermassive black holes with jets; microquasars are believed to be stellar-mass objects with jets, typically observed in the Milky Way. The mechanism of formation of jets is not yet known, but several options have been proposed. One method proposed to fuel these jets is the Blandford-Znajek process, which suggests that the dragging of magnetic field lines by a black hole's rotation could launch jets of matter into space. The Penrose process, which involves extraction of a black hole's rotational energy, has also been proposed as a potential mechanism of jet propulsion. Due to conservation of angular momentum, gas falling into the gravitational well created by a massive object will typically form a disk-like structure around the object.: 242 As the disk's angular momentum is transferred outward due to internal processes, its matter falls farther inward, converting its gravitational energy into heat and releasing a large flux of x-rays. The temperature of these disks can range from thousands to millions of Kelvin, and temperatures can differ throughout a single accretion disk. Accretion disks can also emit in other parts of the electromagnetic spectrum, depending on the disk's turbulence and magnetization and the black hole's mass and angular momentum. Accretion disks can be defined as geometrically thin or geometrically thick. Geometrically thin disks are mostly confined to the black hole's equatorial plane and have a well-defined edge at the innermost stable circular orbit (ISCO), while geometrically thick disks are supported by internal pressure and temperature and can extend inside the ISCO. Disks with high rates of electron scattering and absorption, appearing bright and opaque, are called optically thick; optically thin disks are more translucent and produce fainter images when viewed from afar. Accretion disks of black holes accreting beyond the Eddington limit are often referred to as polish donuts due to their thick, toroidal shape that resembles that of a donut. Quasar accretion disks are expected to usually appear blue in color. The disk for a stellar black hole, on the other hand, would likely look orange, yellow, or red, with its inner regions being the brightest. Theoretical research suggests that the hotter a disk is, the bluer it should be, although this is not always supported by observations of real astronomical objects. Accretion disk colors may also be altered by the Doppler effect, with the part of the disk travelling towards an observer appearing bluer and brighter and the part of the disk travelling away from the observer appearing redder and dimmer. In Newtonian gravity, test particles can stably orbit at arbitrary distances from a central object. In general relativity, however, there exists a smallest possible radius for which a massive particle can orbit stably. Any infinitesimal inward perturbations to this orbit will lead to the particle spiraling into the black hole, and any outward perturbations will, depending on the energy, cause the particle to spiral in, move to a stable orbit further from the black hole, or escape to infinity. This orbit is called the innermost stable circular orbit, or ISCO. The location of the ISCO depends on the spin of the black hole and the spin of the particle itself. In the case of a Schwarzschild black hole (spin zero) and a particle without spin, the location of the ISCO is: r I S C O = 3 r s = 6 G M c 2 , {\displaystyle r_{\rm {ISCO}}=3\,r_{\text{s}}={\frac {6\,GM}{c^{2}}},} where r I S C O {\displaystyle r_{\rm {_{ISCO}}}} is the radius of the ISCO, r s {\displaystyle r_{\text{s}}} is the Schwarzschild radius of the black hole, G {\displaystyle G} is the gravitational constant, and c {\displaystyle c} is the speed of light. The radius of this orbit changes slightly based on particle spin. For charged black holes, the ISCO moves inwards. For spinning black holes, the ISCO is moved inwards for particles orbiting in the same direction that the black hole is spinning (prograde) and outwards for particles orbiting in the opposite direction (retrograde). For example, the ISCO for a particle orbiting retrograde can be as far out as about 9 r s {\displaystyle 9r_{\text{s}}} , while the ISCO for a particle orbiting prograde can be as close as at the event horizon itself. The photon sphere is a spherical boundary for which photons moving on tangents to that sphere are bent completely around the black hole, possibly orbiting multiple times. Light rays with impact parameters less than the radius of the photon sphere enter the black hole. For Schwarzschild black holes, the photon sphere has a radius 1.5 times the Schwarzschild radius; the radius for non-Schwarzschild black holes is at least 1.5 times the radius of the event horizon. When viewed from a great distance, the photon sphere creates an observable black hole shadow. Since no light emerges from within the black hole, this shadow is the limit for possible observations.: 152 The shadow of colliding black holes should have characteristic warped shapes, allowing scientists to detect black holes that are about to merge. While light can still escape from the photon sphere, any light that crosses the photon sphere on an inbound trajectory will be captured by the black hole. Therefore, any light that reaches an outside observer from the photon sphere must have been emitted by objects between the photon sphere and the event horizon. Light emitted towards the photon sphere may also curve around the black hole and return to the emitter. For a rotating, uncharged black hole, the radius of the photon sphere depends on the spin parameter and whether the photon is orbiting prograde or retrograde. For a photon orbiting prograde, the photon sphere will be 1-3 Schwarzschild radii from the center of the black hole, while for a photon orbiting retrograde, the photon sphere will be between 3-5 Schwarzschild radii from the center of the black hole. The exact location of the photon sphere depends on the magnitude of the black hole's rotation. For a charged, nonrotating black hole, there will only be one photon sphere, and the radius of the photon sphere will decrease for increasing black hole charge. For non-extremal, charged, rotating black holes, there will always be two photon spheres, with the exact radii depending on the parameters of the black hole. Near a rotating black hole, spacetime rotates similar to a vortex. The rotating spacetime will drag any matter and light into rotation around the spinning black hole. This effect of general relativity, called frame dragging, gets stronger closer to the spinning mass. The region of spacetime in which it is impossible to stay still is called the ergosphere. The ergosphere of a black hole is a volume bounded by the black hole's event horizon and the ergosurface, which coincides with the event horizon at the poles but bulges out from it around the equator. Matter and radiation can escape from the ergosphere. Through the Penrose process, objects can emerge from the ergosphere with more energy than they entered with. The extra energy is taken from the rotational energy of the black hole, slowing down the rotation of the black hole.: 268 A variation of the Penrose process in the presence of strong magnetic fields, the Blandford–Znajek process, is considered a likely mechanism for the enormous luminosity and relativistic jets of quasars and other active galactic nuclei. The observable region of spacetime around a black hole closest to its event horizon is called the plunging region. In this area it is no longer possible for free falling matter to follow circular orbits or stop a final descent into the black hole. Instead, it will rapidly plunge toward the black hole at close to the speed of light, growing increasingly hot and producing a characteristic, detectable thermal emission. However, light and radiation emitted from this region can still escape from the black hole's gravitational pull. For a nonspinning, uncharged black hole, the radius of the event horizon, or Schwarzschild radius, is proportional to the mass, M, through r s = 2 G M c 2 ≈ 2.95 M M ⊙ k m , {\displaystyle r_{\mathrm {s} }={\frac {2GM}{c^{2}}}\approx 2.95\,{\frac {M}{M_{\odot }}}~\mathrm {km,} } where rs is the Schwarzschild radius and M☉ is the mass of the Sun.: 124 For a black hole with nonzero spin or electric charge, the radius is smaller,[Note 1] until an extremal black hole could have an event horizon close to r + = G M c 2 , {\displaystyle r_{\mathrm {+} }={\frac {GM}{c^{2}}},} half the radius of a nonspinning, uncharged black hole of the same mass. Since the volume within the Schwarzschild radius increase with the cube of the radius, average density of a black hole inside its Schwarzschild radius is inversely proportional to the square of its mass: supermassive black holes are much less dense than stellar black holes. The average density of a 108 M☉ black hole is comparable to that of water. The defining feature of a black hole is the existence of an event horizon, a boundary in spacetime through which matter and light can pass only inward towards the center of the black hole. Nothing, not even light, can escape from inside the event horizon. The event horizon is referred to as such because if an event occurs within the boundary, information from that event cannot reach or affect an outside observer, making it impossible to determine whether such an event occurred.: 179 For non-rotating black holes, the geometry of the event horizon is precisely spherical, while for rotating black holes, the event horizon is oblate. To a distant observer, a clock near a black hole would appear to tick more slowly than one further from the black hole.: 217 This effect, known as gravitational time dilation, would also cause an object falling into a black hole to appear to slow as it approached the event horizon, never quite reaching the horizon from the perspective of an outside observer.: 218 All processes on this object would appear to slow down, and any light emitted by the object to appear redder and dimmer, an effect known as gravitational redshift. An object falling from half of a Schwarzschild radius above the event horizon would fade away until it could no longer be seen, disappearing from view within one hundredth of a second. It would also appear to flatten onto the black hole, joining all other material that had ever fallen into the hole. On the other hand, an observer falling into a black hole would not notice any of these effects as they cross the event horizon. Their own clocks appear to them to tick normally, and they cross the event horizon after a finite time without noting any singular behaviour. In general relativity, it is impossible to determine the location of the event horizon from local observations, due to Einstein's equivalence principle.: 222 Black holes that are rotating and/or charged have an inner horizon, often called the Cauchy horizon, inside of the black hole. The inner horizon is divided up into two segments: an ingoing section and an outgoing section. At the ingoing section of the Cauchy horizon, radiation and matter that fall into the black hole would build up at the horizon, causing the curvature of spacetime to go to infinity. This would cause an observer falling in to experience tidal forces. This phenomenon is often called mass inflation, since it is associated with a parameter dictating the black hole's internal mass growing exponentially, and the buildup of tidal forces is called the mass-inflation singularity or Cauchy horizon singularity. Some physicists have argued that in realistic black holes, accretion and Hawking radiation would stop mass inflation from occurring. At the outgoing section of the inner horizon, infalling radiation would backscatter off of the black hole's spacetime curvature and travel outward, building up at the outgoing Cauchy horizon. This would cause an infalling observer to experience a gravitational shock wave and tidal forces as the spacetime curvature at the horizon grew to infinity. This buildup of tidal forces is called the shock singularity. Both of these singularities are weak, meaning that an object crossing them would only be deformed a finite amount by tidal forces, even though the spacetime curvature would still be infinite at the singularity. This is as opposed to a strong singularity, where an object hitting the singularity would be stretched and squeezed by an infinite amount. They are also null singularities, meaning that a photon could travel parallel to the them without ever being intercepted. Ignoring quantum effects, every black hole has a singularity inside, points where the curvature of spacetime becomes infinite, and geodesics terminate within a finite proper time.: 205 For a non-rotating black hole, this region takes the shape of a single point; for a rotating black hole it is smeared out to form a ring singularity that lies in the plane of rotation.: 264 In both cases, the singular region has zero volume. All of the mass of the black hole ends up in the singularity.: 252 Since the singularity has nonzero mass in an infinitely small space, it can be thought of as having infinite density. Observers falling into a Schwarzschild black hole (i.e., non-rotating and not charged) cannot avoid being carried into the singularity once they cross the event horizon. As they fall further into the black hole, they will be torn apart by the growing tidal forces in a process sometimes referred to as spaghettification or the noodle effect. Eventually, they will reach the singularity and be crushed into an infinitely small point.: 182 However any perturbations, such as those caused by matter or radiation falling in, would cause space to oscillate chaotically near the singularity. Any matter falling in would experience intense tidal forces rapidly changing in direction, all while being compressed into an increasingly small volume. Alternative forms of general relativity, including addition of some quatum effects, can lead to regular, or nonsingular, black holes without singularities. For example, the fuzzball model, based on string theory, states that black holes are actually made up of quantum microstates and need not have a singularity or an event horizon. The theory of loop quantum gravity proposes that the curvature and density at the center of a black hole is large, but not infinite. Formation Black holes are formed by gravitational collapse of massive stars, either by direct collapse or during a supernova explosion in a process called fallback. Black holes can result from the merger of two neutron stars or a neutron star and a black hole. Other more speculative mechanisms include primordial black holes created from density fluctuations in the early universe, the collapse of dark stars, a hypothetical object powered by annihilation of dark matter, or from hypothetical self-interacting dark matter. Gravitational collapse occurs when an object's internal pressure is insufficient to resist the object's own gravity. At the end of a star's life, it will run out of hydrogen to fuse, and will start fusing more and more massive elements, until it gets to iron. Since the fusion of elements heavier than iron would require more energy than it would release, nuclear fusion ceases. If the iron core of the star is too massive, the star will no longer be able to support itself and will undergo gravitational collapse. While most of the energy released during gravitational collapse is emitted very quickly, an outside observer does not actually see the end of this process. Even though the collapse takes a finite amount of time from the reference frame of infalling matter, a distant observer would see the infalling material slow and halt just above the event horizon, due to gravitational time dilation. Light from the collapsing material takes longer and longer to reach the observer, with the delay growing to infinity as the emitting material reaches the event horizon. Thus the external observer never sees the formation of the event horizon; instead, the collapsing material seems to become dimmer and increasingly red-shifted, eventually fading away. Observations of quasars at redshift z ∼ 7 {\displaystyle z\sim 7} , less than a billion years after the Big Bang, has led to investigations of other ways to form black holes. The accretion process to build supermassive black holes has a limiting rate of mass accumulation and a billion years is not enough time to reach quasar status. One suggestion is direct collapse of nearly pure hydrogen gas (low metalicity) clouds characteristic of the young universe, forming a supermassive star which collapses into a black hole. It has been suggested that seed black holes with typical masses of ~105 M☉ could have formed in this way which then could grow to ~109 M☉. However, the very large amount of gas required for direct collapse is not typically stable to fragmentation to form multiple stars. Thus another approach suggests massive star formation followed by collisions that seed massive black holes which ultimately merge to create a quasar.: 85 A neutron star in a common envelope with a regular star can accrete sufficient material to collapse to a black hole or two neutron stars can merge. These avenues for the formation of black holes are considered relatively rare. In the current epoch of the universe, conditions needed to form black holes are rare and are mostly only found in stars. However, in the early universe, conditions may have allowed for black hole formations via other means. Fluctuations of spacetime soon after the Big Bang may have formed areas that were denser then their surroundings. Initially, these regions would not have been compact enough to form a black hole, but eventually, the curvature of spacetime in the regions become large enough to cause them to collapse into a black hole. Different models for the early universe vary widely in their predictions of the scale of these fluctuations. Various models predict the creation of primordial black holes ranging from a Planck mass (~2.2×10−8 kg) to hundreds of thousands of solar masses. Primordial black holes with masses less than 1015 g would have evaporated by now due to Hawking radiation. Despite the early universe being extremely dense, it did not re-collapse into a black hole during the Big Bang, since the universe was expanding rapidly and did not have the gravitational differential necessary for black hole formation. Models for the gravitational collapse of objects of relatively constant size, such as stars, do not necessarily apply in the same way to rapidly expanding space such as the Big Bang. In principle, black holes could be formed in high-energy particle collisions that achieve sufficient density, although no such events have been detected. These hypothetical micro black holes, which could form from the collision of cosmic rays and Earth's atmosphere or in particle accelerators like the Large Hadron Collider, would not be able to aggregate additional mass. Instead, they would evaporate in about 10−25 seconds, posing no threat to the Earth. Evolution Black holes can also merge with other objects such as stars or even other black holes. This is thought to have been important, especially in the early growth of supermassive black holes, which could have formed from the aggregation of many smaller objects. The process has also been proposed as the origin of some intermediate-mass black holes. Mergers of supermassive black holes may take a long time: As a binary of supermassive black holes approach each other, most nearby stars are ejected, leaving little for the remaining black holes to gravitationally interact with that would allow them to get closer to each other. This phenomenon has been called the final parsec problem, as the distance at which this happens is usually around one parsec. When a black hole accretes matter, the gas in the inner accretion disk orbits at very high speeds because of its proximity to the black hole. The resulting friction heats the inner disk to temperatures at which it emits vast amounts of electromagnetic radiation (mainly X-rays) detectable by telescopes. By the time the matter of the disk reaches the ISCO, between 5.7% and 42% of its mass will have been converted to energy, depending on the black hole's spin. About 90% of this energy is released within about 20 black hole radii. In many cases, accretion disks are accompanied by relativistic jets that are emitted along the black hole's poles, which carry away much of the energy. The mechanism for the creation of these jets is currently not well understood, in part due to insufficient data. Many of the universe's most energetic phenomena have been attributed to the accretion of matter on black holes. Active galactic nuclei and quasars are believed to be the accretion disks of supermassive black holes. X-ray binaries are generally accepted to be binary systems in which one of the two objects is a compact object accreting matter from its companion. Ultraluminous X-ray sources may be the accretion disks of intermediate-mass black holes. At a certain rate of accretion, the outward radiation pressure will become as strong as the inward gravitational force, and the black hole should unable to accrete any faster. This limit is called the Eddington limit. However, many black holes accrete beyond this rate due to their non-spherical geometry or instabilities in the accretion disk. Accretion beyond the limit is called Super-Eddington accretion and may have been commonplace in the early universe. Stars have been observed to get torn apart by tidal forces in the immediate vicinity of supermassive black holes in galaxy nuclei, in what is known as a tidal disruption event (TDE). Some of the material from the disrupted star forms an accretion disk around the black hole, which emits observable electromagnetic radiation. The correlation between the masses of supermassive black holes in the centres of galaxies with the velocity dispersion and mass of stars in their host bulges suggests that the formation of galaxies and the formation of their central black holes are related. Black hole winds from rapid accretion, particularly when the galaxy itself is still accreting matter, can compress gas nearby, accelerating star formation. However, if the winds become too strong, the black hole may blow nearly all of the gas out of the galaxy, quenching star formation. Black hole jets may also energize nearby cavities of plasma and eject low-entropy gas from out of the galactic core, causing gas in galactic centers to be hotter than expected. If Hawking's theory of black hole radiation is correct, then black holes are expected to shrink and evaporate over time as they lose mass by the emission of photons and other particles. The temperature of this thermal spectrum (Hawking temperature) is proportional to the surface gravity of the black hole, which is inversely proportional to the mass. Hence, large black holes emit less radiation than small black holes.: Ch. 9.6 A stellar black hole of 1 M☉ has a Hawking temperature of 62 nanokelvins. This is far less than the 2.7 K temperature of the cosmic microwave background radiation. Stellar-mass or larger black holes receive more mass from the cosmic microwave background than they emit through Hawking radiation and thus will grow instead of shrinking. To have a Hawking temperature larger than 2.7 K (and be able to evaporate), a black hole would need a mass less than the Moon. Such a black hole would have a diameter of less than a tenth of a millimetre. The Hawking radiation for an astrophysical black hole is predicted to be very weak and would thus be exceedingly difficult to detect from Earth. A possible exception is the burst of gamma rays emitted in the last stage of the evaporation of primordial black holes. Searches for such flashes have proven unsuccessful and provide stringent limits on the possibility of existence of low mass primordial black holes, with modern research predicting that primordial black holes must make up less than a fraction of 10−7 of the universe's total mass. NASA's Fermi Gamma-ray Space Telescope, launched in 2008, has searched for these flashes, but has not yet found any. The properties of a black hole are constrained and interrelated by the theories that predict these properties. When based on general relativity, these relationships are called the laws of black hole mechanics. For a black hole that is not still forming or accreting matter, the zeroth law of black hole mechanics states the black hole's surface gravity is constant across the event horizon. The first law relates changes in the black hole's surface area, angular momentum, and charge to changes in its energy. The second law says the surface area of a black hole never decreases on its own. Finally, the third law says that the surface gravity of a black hole is never zero. These laws are mathematical analogs of the laws of thermodynamics. They are not equivalent, however, because, according to general relativity without quantum mechanics, a black hole can never emit radiation, and thus its temperature must always be zero.: 11 Quantum mechanics predicts that a black hole will continuously emit thermal Hawking radiation, and therefore must always have a nonzero temperature. It also predicts that all black holes have entropy which scales with their surface area. When quantum mechanics is accounted for, the laws of black hole mechanics become equivalent to the classical laws of thermodynamics. However, these conclusions are derived without a complete theory of quantum gravity, although many potential theories do predict black holes having entropy and temperature. Thus, the true quantum nature of black hole thermodynamics continues to be debated.: 29 Observational evidence Millions of black holes with around 30 solar masses derived from stellar collapse are expected to exist in the Milky Way. Even a dwarf galaxy like Draco should have hundreds. Only a few of these have been detected. By nature, black holes do not themselves emit any electromagnetic radiation other than the hypothetical Hawking radiation, so astrophysicists searching for black holes must generally rely on indirect observations. The defining characteristic of a black hole is its event horizon. The horizon itself cannot be imaged, so all other possible explanations for these indirect observations must be considered and eliminated before concluding that a black hole has been observed.: 11 The Event Horizon Telescope (EHT) is a global system of radio telescopes capable of directly observing a black hole shadow. The angular resolution of a telescope is based on its aperture and the wavelengths it is observing. Because the angular diameters of Sagittarius A* and Messier 87* in the sky are very small, a single telescope would need to be about the size of the Earth to clearly distinguish their horizons using radio wavelengths. By combining data from several different radio telescopes around the world, the Event Horizon Telescope creates an effective aperture the diameter size of the Earth. The EHT team used imaging algorithms to compute the most probable image from the data in its observations of Sagittarius A* and M87*. Gravitational-wave interferometry can be used to detect merging black holes and other compact objects. In this method, a laser beam is split down two long arms of a tunnel. The laser beams reflect off of mirrors in the tunnels and converge at the intersection of the arms, cancelling each other out. However, when a gravitational wave passes, it warps spacetime, changing the lengths of the arms themselves. Since each laser beam is now travelling a slightly different distance, they do not cancel out and produce a recognizable signal. Analysis of the signal can give scientists information about what caused the gravitational waves. Since gravitational waves are very weak, gravitational-wave observatories such as LIGO must have arms several kilometers long and carefully control for noise from Earth to be able to detect these gravitational waves. Since the first measurements in 2016, multiple gravitational waves from black holes have been detected and analyzed. The proper motions of stars near the centre of the Milky Way provide strong observational evidence that these stars are orbiting a supermassive black hole. Since 1995, astronomers have tracked the motions of 90 stars orbiting an invisible object coincident with the radio source Sagittarius A*. In 1998, by fitting the motions of the stars to Keplerian orbits, the astronomers were able to infer that Sagittarius A* must be a 2.6×106 M☉ object must be contained within a radius of 0.02 light-years. Since then, one of the stars—called S2—has completed a full orbit. From the orbital data, astronomers were able to refine the calculations of the mass of Sagittarius A* to 4.3×106 M☉, with a radius of less than 0.002 light-years. This upper limit radius is larger than the Schwarzschild radius for the estimated mass, so the combination does not prove Sagittarius A* is a black hole. Nevertheless, these observations strongly suggest that the central object is a supermassive black hole as there are no other plausible scenarios for confining so much invisible mass into such a small volume. Additionally, there is some observational evidence that this object might possess an event horizon, a feature unique to black holes. The Event Horizon Telescope image of Sagittarius A*, released in 2022, provided further confirmation that it is indeed a black hole. X-ray binaries are binary systems that emit a majority of their radiation in the X-ray part of the electromagnetic spectrum. These X-ray emissions result when a compact object accretes matter from an ordinary star. The presence of an ordinary star in such a system provides an opportunity for studying the central object and to determine if it might be a black hole. By measuring the orbital period of the binary, the distance to the binary from Earth, and the mass of the companion star, scientists can estimate the mass of the compact object. The Tolman-Oppenheimer-Volkoff limit (TOV limit) dictates the largest mass a nonrotating neutron star can be, and is estimated to be about two solar masses. While a rotating neutron star can be slightly more massive, if the compact object is much more massive than the TOV limit, it cannot be a neutron star and is generally expected to be a black hole. The first strong candidate for a black hole, Cygnus X-1, was discovered in this way by Charles Thomas Bolton, Louise Webster, and Paul Murdin in 1972. Observations of rotation broadening of the optical star reported in 1986 lead to a compact object mass estimate of 16 solar masses, with 7 solar masses as the lower bound. In 2011, this estimate was updated to 14.1±1.0 M☉ for the black hole and 19.2±1.9 M☉ for the optical stellar companion. X-ray binaries can be categorized as either low-mass or high-mass; This classification is based on the mass of the companion star, not the compact object itself. In a class of X-ray binaries called soft X-ray transients, the companion star is of relatively low mass, allowing for more accurate estimates of the black hole mass. These systems actively emit X-rays for only several months once every 10–50 years. During the period of low X-ray emission, called quiescence, the accretion disk is extremely faint, allowing detailed observation of the companion star. Numerous black hole candidates have been measured by this method. Black holes are also sometimes found in binaries with other compact objects, such as white dwarfs, neutron stars, and other black holes. The centre of nearly every galaxy contains a supermassive black hole. The close observational correlation between the mass of this hole and the velocity dispersion of the host galaxy's bulge, known as the M–sigma relation, strongly suggests a connection between the formation of the black hole and that of the galaxy itself. Astronomers use the term active galaxy to describe galaxies with unusual characteristics, such as unusual spectral line emission and very strong radio emission. Theoretical and observational studies have shown that the high levels of activity in the centers of these galaxies, regions called active galactic nuclei (AGN), may be explained by accretion onto supermassive black holes. These AGN consist of a central black hole that may be millions or billions of times more massive than the Sun, a disk of interstellar gas and dust called an accretion disk, and two jets perpendicular to the accretion disk. Although supermassive black holes are expected to be found in most AGN, only some galaxies' nuclei have been more carefully studied in attempts to both identify and measure the actual masses of the central supermassive black hole candidates. Some of the most notable galaxies with supermassive black hole candidates include the Andromeda Galaxy, Messier 32, Messier 87, the Sombrero Galaxy, and the Milky Way itself. Another way black holes can be detected is through observation of effects caused by their strong gravitational field. One such effect is gravitational lensing: The deformation of spacetime around a massive object causes light rays to be deflected, making objects behind them appear distorted. When the lensing object is a black hole, this effect can be strong enough to create multiple images of a star or other luminous source. However, the distance between the lensed images may be too small for contemporary telescopes to resolve—this phenomenon is called microlensing. Instead of seeing two images of a lensed star, astronomers see the star brighten slightly as the black hole moves towards the line of sight between the star and Earth and then return to its normal luminosity as the black hole moves away. The turn of the millennium saw the first 3 candidate detections of black holes in this way, and in January 2022, astronomers reported the first confirmed detection of a microlensing event from an isolated black hole. This was also the first determination of an isolated black hole mass, 7.1±1.3 M☉. Alternatives While there is a strong case for supermassive black holes, the model for stellar-mass black holes assumes of an upper limit for the mass of a neutron star: objects observed to have more mass are assumed to be black holes. However, the properties of extremely dense matter are poorly understood. New exotic phases of matter could allow other kinds of massive objects. Quark stars would be made up of quark matter and supported by quark degeneracy pressure, a form of degeneracy pressure even stronger than neutron degeneracy pressure. This would halt gravitational collapse at a higher mass than for a neutron star. Even stronger stars called electroweak stars would convert quarks in their cores into leptons, providing additional pressure to stop the star from collapsing. If, as some extensions of the Standard Model posit, quarks and leptons are made up of the even-smaller fundamental particles called preons, a very compact star could be supported by preon degeneracy pressure. While none of these hypothetical models can explain all of the observations of stellar black hole candidates, a Q star is the only alternative which could significantly exceed the mass limit for neutron stars and thus provide an alternative for supermassive black holes.: 12 A few theoretical objects have been conjectured to match observations of astronomical black hole candidates identically or near-identically, but which function via a different mechanism. A dark energy star would convert infalling matter into vacuum energy; This vacuum energy would be much larger than the vacuum energy of outside space, exerting outwards pressure and preventing a singularity from forming. A black star would be gravitationally collapsing slowly enough that quantum effects would keep it just on the cusp of fully collapsing into a black hole. A gravastar would consist of a very thin shell and a dark-energy interior providing outward pressure to stop the collapse into a black hole or formation of a singularity; It could even have another gravastar inside, called a 'nestar'. Open questions According to the no-hair theorem, a black hole is defined by only three parameters: its mass, charge, and angular momentum. This seems to mean that all other information about the matter that went into forming the black hole is lost, as there is no way to determine anything about the black hole from outside other than those three parameters. When black holes were thought to persist forever, this information loss was not problematic, as the information can be thought of as existing inside the black hole. However, black holes slowly evaporate by emitting Hawking radiation. This radiation does not appear to carry any additional information about the matter that formed the black hole, meaning that this information is seemingly gone forever. This is called the black hole information paradox. Theoretical studies analyzing the paradox have led to both further paradoxes and new ideas about the intersection of quantum mechanics and general relativity. While there is no consensus on the resolution of the paradox, work on the problem is expected to be important for a theory of quantum gravity.: 126 Observations of faraway galaxies have found that ultraluminous quasars, powered by supermassive black holes, existed in the early universe as far as redshift z ≥ 7 {\displaystyle z\geq 7} . These black holes have been assumed to be the products of the gravitational collapse of large population III stars. However, these stellar remnants were not massive enough to produce the quasars observed at early times without accreting beyond the Eddington limit, the theoretical maximum rate of black hole accretion. Physicists have suggested a variety of different mechanisms by which these supermassive black holes may have formed. It has been proposed that smaller black holes may have also undergone mergers to produce the observed supermassive black holes. It is also possible that they were seeded by direct-collapse black holes, in which a large cloud of hot gas avoids fragmentation that would lead to multiple stars, due to low angular momentum or heating from a nearby galaxy. Given the right circumstances, a single supermassive star forms and collapses directly into a black hole without undergoing typical stellar evolution. Additionally, these supermassive black holes in the early universe may be high-mass primordial black holes, which could have accreted further matter in the centers of galaxies. Finally, certain mechanisms allow black holes to grow faster than the theoretical Eddington limit, such as dense gas in the accretion disk limiting outward radiation pressure that prevents the black hole from accreting. However, the formation of bipolar jets prevent super-Eddington rates. In fiction Black holes have been portrayed in science fiction in a variety of ways. Even before the advent of the term itself, objects with characteristics of black holes appeared in stories such as the 1928 novel The Skylark of Space with its "black Sun" and the "hole in space" in the 1935 short story Starship Invincible. As black holes grew to public recognition in the 1960s and 1970s, they began to be featured in films as well as novels, such as Disney's The Black Hole. Black holes have also been used in works of the 21st century, such as Christopher Nolan's science fiction epic Interstellar. Authors and screenwriters have exploited the relativistic effects of black holes, particularly gravitational time dilation. For example, Interstellar features a black hole planet with a time dilation factor of over 60,000:1, while the 1977 novel Gateway depicts a spaceship approaching but never crossing the event horizon of a black hole from the perspective of an outside observer due to time dilation effects. Black holes have also been appropriated as wormholes or other methods of faster-than-light travel, such as in the 1974 novel The Forever War, where a network of black holes is used for interstellar travel. Additionally, black holes can feature as hazards to spacefarers and planets: A black hole threatens a deep-space outpost in 1978 short story The Black Hole Passes, and a binary black hole dangerously alters the orbit of a planet in the 2018 Netflix reboot of Lost in Space. Notes References Further reading External links |
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[SOURCE: https://www.ynet.co.il/sport/article/bjr1yuqd11x] | [TOKENS: 248] |
סוס העבודה יכול להפוך לסוס אציל | תוכן גולשים יוסי אבוקסיס הוא אולי המאמן היותר מובהק של התפיסה שהמטרה מקדשת את האמצעים. ניצחון בכל מחיר. אם הנסיבות מחייבות ירידה להגנה, הוא ייסוג. אם צריך להתקיף, הוא יתנפל. גם לכם יש מה להגיד? כתבו לנו טורים לכתובת: kick@ynet.co.il |
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Contents Thirty-seventh government of Israel The thirty-seventh government of Israel is the current cabinet of Israel, formed on 29 December 2022, following the Knesset election the previous month. The coalition government currently consists of five parties — Likud, Shas, Otzma Yehudit, Religious Zionist Party and New Hope — and is led by Benjamin Netanyahu, who took office as the prime minister of Israel for the sixth time. The government is widely regarded as the most right-wing government in the country's history, and includes far-right politicians. Several of the government's policy proposals have led to controversies, both within Israel and abroad, with the government's attempts at reforming the judiciary leading to a wave of demonstrations across the country. Following the outbreak of the Gaza war, opposition leader Yair Lapid initiated discussions with Netanyahu on the formation of an emergency government. On 11 October 2023, National Unity MKs Benny Gantz, Gadi Eisenkot, Gideon Sa'ar, Hili Tropper, and Yifat Shasha-Biton joined the Security Cabinet of Israel to form an emergency national unity government. Their accession to the Security Cabinet and to the government (as ministers without portfolio) was approved by the Knesset the following day. Gantz, Netanyahu, and Defense Minister Yoav Gallant became part of the newly formed Israeli war cabinet, with Eisenkot and Ron Dermer serving as observers. National Unity left the government in June 2024. New Hope rejoined the government in September. Otzma Yehudit announced on 19 January 2025 that it had withdrawn from the government, which took effect on 21 January, following the cabinet's acceptance of the three-phase Gaza war ceasefire proposal, though it rejoined two months later. United Torah Judaism left the government in July 2025 over dissatisfaction with the government's draft conscription law. Shas left the government several days later, though it remains part of the coalition. Background The right-wing bloc of parties, led by Benjamin Netanyahu, known in Israel as the national camp, won 64 of the 120 seats in the elections for the Knesset, while the coalition led by the incumbent prime minister Yair Lapid won 51 seats. The new majority has been variously described as the most right-wing government in Israeli history, as well as Israel's most religious government. Shortly after the elections, Lapid conceded to Netanyahu, and congratulated him, wishing him luck "for the sake of the Israeli people". On 15 November, the swearing-in ceremony for the newly elected members of the 25th Knesset was held during the opening session. The vote to appoint a new Speaker of the Knesset, which is usually conducted at the opening session, as well as the swearing in of cabinet members were postponed since ongoing coalition negotiations had not yet resulted in agreement on these positions. Government formation Yair Lapid Yesh Atid Benjamin Netanyahu Likud On 3 November 2022, Netanyahu told his aide Yariv Levin to begin informal coalition talks with allied parties, after 97% of the vote was counted. The leader of the Shas party Aryeh Deri met with Yitzhak Goldknopf, the leader of United Torah Judaism and its Agudat Yisrael faction, on 4 November. The two parties agreed to cooperate as members of the next government. The Degel HaTorah faction of United Torah Judaism stated on 5 November that it will maintain its ideological stance about not seeking any ministerial posts, as per the instruction of its spiritual leader Rabbi Gershon Edelstein, but will seek other senior posts like Knesset committee chairmen and deputy ministers. Netanyahu himself started holding talks on 6 November. He first met with Moshe Gafni, the leader of Degel HaTorah, and then with Goldknopf. Meanwhile, the Religious Zionist Party leader Bezalel Smotrich and the leader of its Otzma Yehudit faction Itamar Ben-Gvir pledged that they would not enter the coalition without the other faction. Gafni later met with Smotrich for coalition talks. Smotrich then met with Netanyahu. On 7 November, Netanyahu met with Ben-Gvir who demanded the Ministry of Public Security with expanded powers for himself and the Ministry of Education or Transport and Road Safety for Yitzhak Wasserlauf. A major demand among all of Netanyahu's allies was that the Knesset be allowed to ignore the rulings of the Supreme Court. Netanyahu met with the Noam faction leader and its sole MK Avi Maoz on 8 November after he threatened to boycott the coalition. He demanded complete control of the Western Wall by the Haredi rabbinate and removal of what he considered as anti-Zionist and anti-Jewish content in schoolbooks. President Isaac Herzog began consultations with heads of all the political parties on 9 November after the election results were certified. During the consultations, he expressed his reservations about Ben-Gvir becoming a member in the next government. Shas met with Likud for coalition talks on 10 November. By 11 November, Netanyahu had secured recommendations from 64 MKs, which constituted a majority. He was given the mandate to form the thirty-seventh government of Israel by President Herzog on 13 November. Otzma Yehudit and Noam officially split from Religious Zionism on 20 November as per a pre-election agreement. On 25 November, Otzma Yehudit and Likud signed a coalition agreement, under which Ben-Gvir will assume the newly created position of National Security Minister, whose powers would be more expansive than that of the Minister of Public Security, including overseeing the Israel Police and the Israel Border Police in the West Bank, as well as giving powers to authorities to shoot thieves stealing from military bases. Yitzhak Wasserlauf was given the Ministry for the Development of the Negev and the Galilee with expanded powers to regulate new West Bank settlements, while separating it from the "Periphery" portfolio, which will be given to Shas. The deal also includes giving the Ministry of Heritage to Amihai Eliyahu, separating it from the "Jerusalem Affairs" portfolio, the chairmanship of the Knesset's Public Security Committee to Zvika Fogel and that of the Special Committee for the Israeli Citizens' Fund to Limor Son Har-Melech, the post of Deputy Economic Minister to Almog Cohen, establishment of a national guard, and expansion of mobilization of reservists in the Border Police. Netanyahu and Maoz signed a coalition agreement on 27 November, under which the latter would become a deputy minister, would head an agency on Jewish identity in the Prime Minister's Office, and would also head Nativ, which processes the aliyah from the former Soviet Union. The agency for Jewish identity would have authority over educational content taught outside the regular curriculum in schools, in addition to the department of the Ministry of Education overseeing external teaching and partnerships, which would bring nonofficial organisations permitted to teach and lecture at schools under its purview. Likud signed a coalition agreement with the Religious Zionist Party on 1 December. Under the deal, Smotrich would serve as the Minister of Finance in rotation with Aryeh Deri, and the party will receive the post of a minister within the Ministry of Defense with control over the departments administering settlement and open lands under the Coordinator of Government Activities in the Territories, in addition to another post of a deputy minister. The deal also includes giving the post of Minister of Aliyah and Integration to Ofir Sofer, the newly created National Missions Ministry to Orit Strook, and the chairmanship of the Knesset's Constitution, Law and Justice Committee to Simcha Rothman. Likud and United Torah Judaism signed a coalition agreement on 6 December, to allow request for an extension to the deadline. Under it, the party would receive the Ministry of Construction and Housing, the chairmanship of the Knesset Finance Committee which will be given to Moshe Gafni, the Ministry of Jerusalem and Tradition (which would replace the Ministry of Jerusalem Affairs and Heritage), in addition to several posts of deputy ministers and chairmanships of Knesset committees. Likud also signed a deal with Shas by 8 December, securing interim coalition agreements with all of their allies. Under the deal, Deri will first serve as the Minister of Interior and Health, before rotating posts with Smotrich after two years. The party will also receive the Ministry of Religious Services and Welfare Ministries, as well as posts of deputy ministers in the Ministry of Education and Interior. The vote to replace then-incumbent Knesset speaker Mickey Levy was scheduled for 13 December, after Likud and its allies secured the necessary number of signatures for it. Yariv Levin of Likud was elected as an interim speaker by 64 votes, while his opponents Merav Ben-Ari of Yesh Atid and Ayman Odeh of Hadash received 45 and five votes respectively. Netanyahu asked Herzog for a 14-day extension after the agreement with Shas to finalise the roles his allied parties would play. Herzog on 9 December extended the deadline to 21 December. On that date, Netanyahu informed Herzog that he had succeeded in forming a coalition, with the new government expected to be sworn in by 2 January 2023. The government was sworn in on 29 December 2022. Timeline Israeli law stated that people convicted of crimes cannot serve in the government. An amendment to that law was made in late 2022, known colloquially as the Deri Law, to allow those who had been convicted without prison time to serve. This allowed Deri to be appointed to the cabinet. Shas leader Aryeh Deri was appointed to be Minister of Health, Minister of the Interior, and Vice Prime Minister in December 2022. He was fired in January 2023, following a Supreme Court decision that his appointment was unreasonable, since he had been convicted of fraud, and had promised not to seek government roles through a plea deal. In March 2023, Defence Minister Yoav Gallant called on the government to delay legislation related to the judicial reform. Prime Minister Netanyahu announced that he had been dismissed from his position, leading to the continuation of mass protests across the country (which had started in January in Tel Aviv). Gallant continued to serve as a minister as he had not received formal notice of dismissal, and two weeks later it was announced that Netanyahu had reversed his decision. Public Safety Minister Itamar Ben-Gvir (Otzma Yehudit leader) and Minister of Justice Yariv Levin (Likud) both threatened to resign if the judicial reform was delayed.[better source needed] After the outbreak of the Gaza war, five members of the National Unity party joined the government as ministers without portfolio, with leader Benny Gantz being made a member of the new Israeli war cabinet (along with Netanyahu and Gallant). As the war progressed, minister of national security Itamar Ben-Gvir threatened to leave the government if the war was ended. A month later in mid December, he again threatened to leave if the war did not maintain "full strength". Gideon Sa'ar stated on 16 March that his New Hope party would resign from the government and join the opposition if Prime Minister Benjamin Netanyahu did not appoint him to the Israeli war cabinet. Netanyahu did not do so, resulting in Sa'ar's New Hope party leaving the government nine days later, reducing the size of the coalition from 76 MKs to 72. Ben-Gvir and Bezalel Smotrich, of the National Religious Party–Religious Zionism party, have indicated that they will withdraw their parties from the government if the January 2025 Gaza war ceasefire is adopted, which would bring down the government. Ben-Gvir announced on 5 June that the members of his party would be allowed to vote as they wish, though his party resumed support on 9 June. On 18 May, Gantz set an 8 June deadline for withdrawal from the coalition, which was delayed by a day following the 2024 Nuseirat rescue operation. Gantz and his party left the government on 9 June, giving the government 64 seats in the Knesset. Sa'ar and his New Hope party rejoined the Netanyahu government on 30 September, increasing the number of seats held by the government to 68. The High Court of Justice ruled on 28 March 2024 that yeshiva funds would no longer be available for students who are "eligible for enlistment", effectively allowing ultra-Orthodox Jews to be drafted into the IDF. Attorney general Gali Baharav-Miara indicated on 31 March that the conscription process must begin on 1 April. The court ruled on 25 June that the IDF must begin to draft yeshiva students. Likud announced on 7 July that it would not put forward any legislation after Shas and United Torah Judaism said that they would boycott the plenary session over the lack of legislation dealing with the Haredi draft. The Ultra-Orthodox boycott continued for a second day, with UTJ briefly ending its boycott on 9 July to unsuccessfully vote in favor of a bill which would have weakened the Law of Return. Yuli Edelstein, who was replaced by Boaz Bismuth on the Foreign Affairs and Defense Committee in early August, published a draft version of the conscription law shortly before his ouster. Bismuth cancelled the work on the draft law in September 2025, which Edelstein called "a shame." Bismuth released the official version of the draft law in late November 2025. It weakened penalties for draft evaders, with Edelstein saying it was "the exact opposite" of the bill which he attempted to pass. Members of Otzma Yehudit resigned from the government on 19 January 2025 over the January 2025 Gaza war ceasefire, which took effect on 21 January. The members rejoined in March, following the "resumption" of the war in Gaza. Avi Maoz of the Noam party left the government in March 2025. On 4 June 2025, senior rabbis for United Torah Judaism Dov Lando and Moshe Hillel Hirsch instructed the party's MKs to pass a bill which would dissolve the Knesset. Yesh Atid, Yisrael Beytenu and The Democrats announced that they will "submit a bill" for dissolution on 11 June, with Yesh Atid tabling the bill on 4 June. There were also reports that Shas would vote in favor of Knesset dissolution amidst division within the governing coalition on Haredi conscription. This jeopardized the coalition's majority and would have triggered new elections if the bill passed. The following day, Agudat Yisrael, one of the United Torah Judaism factions, confirmed that it would submit a bill to dissolve the Knesset. Asher Medina, a Shas spokesman, indicated on 9 June that the party would vote in favor of a preliminary bill to dissolve the Knesset. The rabbis of Degel HaTorah instructed the parties' MKs on 12 June 2025 to oppose the dissolution of the Knesset, which was followed by Yuli Edelstein and the Shas and Degel HaTorah parties announcing that a deal had been reached, with "rabbinical leaders" telling their parties to delay the dissolution vote by a week. Shas and Degel HaTorah voted against the dissolution bill, which led to the bill failing its preliminary reading in a vote of 61 against and 53 in favor. MKs Ya'akov Tessler and Moshe Roth of Agudat Yisrael voted in favor of dissolution. Another dissolution bill will be unable to be brought forward for six months. If the bill had passed its preliminary reading, in addition to three more readings, an election would have been held in approximately three months; The Jerusalem Post posited it would have been held in October. Degel HaTorah announced on 14 July 2025 that it would leave the government because members of the party were dissatisfied after viewing the proposed draft bill by Yuli Edelstein regarding Haredi exemptions from the Israeli draft. Several hours later, Agudat Yisrael announced that it would also leave the government. Deputy Transportation Minister Uri Maklev, Moshe Gafni, the head of the Knesset Finance Committee, Ya'akov Asher, the head of the Knesset Interior and Environment Protection Committee and Jerusalem Affairs minister Meir Porush all submitted their resignations, with their resignations taking effect in 48 hours. Sports Minister Ya'akov Tessler and "Special Committee for Public Petitions Chair" Yitzhak Pindrus also submitted resignations. Yisrael Eichler submitted his resignation as the "head of the Knesset Labor and Welfare Committee" the same day. The resignations will leave Netanyahu's government with a 60-seat majority in the Knesset, as Avi Maoz, of the Noam party, left the government in March 2025. Despite Edelstein's ouster in August, a spokesman for UTJ head Yitzhak Goldknopf remarked that it would not change the faction's withdrawal from the government. The religious council for Shas, called the Moetzet Chachmei HaTorah, instructed the party on 16 July to leave the government, but stay in the coalition. The following day, various cabinet ministers submitted their resignations, including "Interior Minister Moshe Arbel, Social Affairs Minister Ya'akov Margi and Religious Services Minister Michael Malchieli." Malchieli reportedly has postponed his resignation so he could attend a 20 July meeting of the panel investigating whether attorney general Gali Baharav-Miara should be dismissed. Deputy Minister of Agriculture Moshe Abutbul, Minister of Health Uriel Buso and Haim Biton, a minister in the Education Ministry, also submitted their resignation letters, while Arbel retracted his resignation letter. The last cabinet member from the party to submit it was Labor Minister Yoav Ben-Tzur. The ministers who resigned will return to the Knesset, replacing MKs Moshe Roth, Yitzhak Pindrus and Eliyahu Baruchi. Members of government Listed below are the current ministers in the government: Principles and priorities According to the agreements signed between Likud and each of its coalition partners, and the incoming government's published guideline principles, its stated priorities are to combat the cost of living, further centralize Orthodox control over the state religious services, pass judicial reforms which include legislation to reduce judicial controls on executive and legislative power, expand settlements in the West Bank, and consider an annexation of the West Bank. Before the vote of confidence in his new government in the Knesset, Netanyahu presented three top priorities for the new government: internal security and governance, halting the nuclear program of Iran, and the development of infrastructure, with a focus on further connecting the center of the country with its periphery. Policies The government's flagship program, centered around reforms in the judicial branch, drew widespread criticism. Critics said it would have negative effects on the separation of powers, the office of the Attorney General, the economy, public health, women and minorities, workers' rights, scientific research, the overall strength of Israel's democracy and its foreign relations. After weeks of public protests on Israel's streets, joined by a growing number of military reservists, Minister of Defense Yoav Gallant spoke against the reform on 25 March, calling for a halt of the legislative process "for the sake of Israel's security". The next day, Netanyahu announced that he would be removed from his post, sparking another wave of protest across Israel and ultimately leading to Netanyahu agreeing to pause the legislation. On 10 April, Netanyahu announced that Gallant would keep his post. On 27 March 2023, after the public protests and general strikes, Netanyahu announced a pause in the reform process to allow for dialogue with opposition parties. However, negotiations aimed at reaching a compromise collapsed in June, and the government resumed its plans to unilaterally pass parts of the legislation. On 24 July 2023, the Knesset passed a bill that curbs the power of the Supreme Court to declare government decisions unreasonable; on 1 January 2024, the Supreme Court struck the bill down. The Knesset passed a "watered-down" version of the judicial reform package in late March 2025 which "changes the composition" of the judicial selection committee. In December 2022 Minister of National Security Itamar Ben-Gvir sought to amend the law that regulates the operations of the Israel Police, such that the ministry will have more direct control of its forces and policies, including its investigative priorities. Attorney General Gali Baharav-Miara objected to the draft proposal, raising concerns that the law would enable the politicization of police work, and the draft was amended to partially address those concerns. Nevertheless, in March 2023 Deputy Attorney General Gil Limon stated that the Attorney General's fears had been realized, referring to several instances of ministerial involvement in the day-to-day work of the otherwise independent police force – statements that were repeated by the Attorney General herself two days later. Separately, Police Commissioner Kobi Shabtai instructed Deputy Commissioners to avoid direct communication with the minister, later stating that "the Israel Police will remain apolitical, and act only according to law". Following appeals by the Association for Civil Rights in Israel and the Movement for Quality Government in Israel, the High Court of Justice instructed Ben-Gvir "to refrain from giving operational directions to the police... [especially] as regards to protests and demonstrations against the government." As talks of halting the judicial reform gained wind during March 2023, Minister of National Security Itamar Ben-Gvir threatened to resign if the legislation implementing the changes was suspended. To appease Ben-Gvir, Prime Minister Netanyahu announced that the government would promote the creation of a new National Guard, to be headed by Ben-Gvir. On 29 March, thousands of Israelis demonstrated in Tel Aviv, Haifa and Jerusalem against this decision. On 1 April, the New York Times quoted Gadeer Nicola, head of the Arab department at the Association for Civil Rights in Israel, as saying "If this thing passes, it will be an imminent danger to the rights of Arab citizens in this country. This will create two separate systems of applying the law. The regular police which will operate against Jewish citizens — and a militarized militia to deal only with Arab citizens." The same day, while speaking on Israel's Channel 13 about those whom he'd like to see enlist in the National Guard, Ben-Gvir specifically mentioned La Familia, the far-right fan club of the Beitar Jerusalem soccer team. On 2 April, Israel's cabinet approved the establishment of a law enforcement body that would operate independently of the police, under Ben-Gvir's authority. According to the decision, the Minister was to establish a committee chaired by the Director General of the Ministry of National Security, with representatives of the ministries of defense, justice and finance, as well as the police and the IDF, to outline the operations of the new organization. The committee's recommendations will be submitted to the government for consideration. Addressing a conference on 4 April, Police Commissioner Kobi Shabtai said that he is not opposed to the establishment of a security body which would answer to the police, but "a separate body? Absolutely not." The police chief said he had warned Ben-Gvir that the establishment of a security body separate from the police is "unnecessary, with extremely high costs that may harm citizens' personal security." During a press conference on 10 April, Prime Minister Netanyahu said, in what has been seen by some news outlets as a concession to the protesters, that "This will not be anyone's militia, it will be a security body, orderly, professional, that will be subordinate to one of the [existing] security bodies." The committee established by the government recommended the government to order the establishment of the National Guard immediately while allocating budgets. The National Guard, under whose command will be a superintendent of the police, will not be subordinate to Ben-Gvir. It will be subordinate to the police commissioner and will be part of Israel Border Police. The Ministry of Defense and Finance opposed the conclusions. The Israeli National Security Council called for further discussion on this. The coalition's efforts to expand the purview of Rabbinical courts; force some organizations, such as hospitals, to enforce certain religious practices; amend the Law Prohibiting Discrimination to allow gender segregation and discrimination on the grounds of religious belief; expand funding for religious causes; and put into law the exemption of yeshiva and kolel students from conscription have drawn criticism. According to the Haaretz op-ed of 7 March 2023, "the current coalition is interested... in modifying the public space so it suits the religious lifestyle. The legal coup is meant to castrate anyone who can prevent it, most of all the HCJ." Several banks and institutional investors, including the Israel Discount Bank and AIG have committed to avoid investing in, or providing credit to any organization that will discriminate against others on ground of religion, race, gender or sexual orientation. A series of technology companies and investment firms including Wiz, Intel Israel, Salesforce and Microsoft Israel Research and Development, have criticized the proposed changes to the Law Prohibiting Discrimination, with Wiz stating that it will require its suppliers to commit to preventing discrimination. Over sixty prominent law firms pledged that they will neither represent, nor do business with discriminating individuals and organizations. Insight Partners, a major private equity fund operating in Israel, released a statement warning against intolerance and any attempt to harm personal liberties. Orit Lahav, chief executive of the women's rights organization Mavoi Satum ("Dead End"), said that "the Rabbinical courts are the most discriminatory institution in the State of Israel... Limiting the HCJ[d] while expanding the jurisdiction of the Rabbinical courts would... cause significant harm to women." Anat Thon Ashkenazy, Director of the Center for Democratic Values and Institutions at the Israel Democracy Institute, said that "almost every part of the reform could harm women... the meaning of an override clause is that even if the court says that the law on gender segregation is illegitimate, is harmful, the Knesset could say 'Okay, we say otherwise'". She added that "there is a very broad institutional framework here, after which there will come legislation that harms women's right and we will have no way of protecting or stopping it." During July 2023, 20 professional medical associations signed a letter of position warning against the ramifications to public health that would result from the exclusion of women from the public sphere. They cited, among others, a rise in prevalence of risk factors for cardiovascular disease, pregnancy-related ailments, psychological distress, and the risk of suicide. On 30 July the Knesset passed an amendment to penal law adding sexual offenses to those offenses whose penalty can be doubled if done on grounds of "nationalistic terrorism, racism or hostility towards a certain community". According to MK Limor Son Har-Melech, the bill is meant to penalize any individual who "[intends to] harm a woman sexually based on her Jewishness". The law was criticized by MK Gilad Kariv as "populist, nationalistic, and dangerous towards the Arab citizens of Israel", and by MK Ahmad Tibi as a "race law", and was objected to by legal advisors at the Ministry of Justice and the Knesset Committee on National Security. Activist Orit Kamir wrote that "the amendment... is neither feminist, equal, nor progressive, but the opposite: it subordinates women's sexuality to the nationalistic, racist patriarchy. It hijacks the Law for Prevention of Sexual Harassment to serve a world view that tags women as sexual objects that personify the nation's honor." Yael Sherer, director of the Lobby to Combat Sexual Violence, criticized the law as being informed by dated ideas about sexual assault, and proposed that MKs "dedicate a session... to give victims of sexual assault an opportunity to come out of the darkness... instead of [submitting] declarative bills that change nothing and are not meant but for grabbing headlines". In Israel, during 2022, 24 women "were murdered because they were women," which was an increase of 50% compared to 2021. A law permitting courts to order men subject to a restraining order following domestic violence offenses to wear electronic tags was drafted during the previous Knesset and had passed its first reading unanimously. On 22 March 2023, the Knesset voted to reject the bill. It had been urged to do so by National Security Minister Itamar Ben-Gvir, who said that the bill was unfair to men. Earlier in the week, Ben-Gvir had blocked the measure from advancing in the ministerial legislative committee. The MKs voting against the bill included Prime Minister Netanyahu. The Association of Families of Murder Victims said that by rejecting the law, National Security Minister Itamar Ben-Gvir "brings joy to violent men and abandons the women threatened with murder… unsupervised restraining orders endanger women's lives even more. They give women the illusion of being protected, and then they are murdered." MK Pnina Tamano-Shata, chairwoman of the Knesset Committee on the Status of Women and Gender Equality, said that "the coalition proved today that it despises women's lives." The NGO Amutat Bat Melech [he], which assists Orthodox and ultra-Orthodox women who suffer from domestic violence, said that: "Rejecting the electronic bracelet bill is disconnected from the terrible reality of seven femicides since the beginning of the year. This is an effective tool of the first degree that could have saved lives and reduced the threat to women suffering from domestic violence. This is a matter of life and death, whose whole purpose is to provide a solution to defend women." The agreement signed by the coalition parties includes the setting up of a committee to draft changes to the Law of Return. Israeli religious parties have long demanded that the "grandchild clause" of the Law of Return be cancelled. This clause grants citizenship to anyone with at least one Jewish grandparent, as long as they do not practice another religion. If the grandchild clause were to be removed from the Law of Return then around 3 million people who are currently eligible for aliyah would no longer be eligible. The heads of the Jewish Agency, the Jewish Federations of North America, the World Zionist Organization and Keren Hayesod sent a joint letter to Prime Minister Netanyahu, expressing their "deep concern" about any changes to the Law of Return, adding that "Any change in the delicate and sensitive status quo on issues such as the Law of Return or conversion could threaten to unravel the ties between us and keep us away from each other." The Executive Council of Australian Jewry and the Zionist Federation of Australia issued a joint statement saying "We… view with deep concern… proposals in relation to religious pluralism and the law of return that risk damaging Israel's… relationship with Diaspora Jewry." On 19 March 2023, Israeli Finance Minister Bezalel Smotrich spoke in Paris at a memorial service for a Likud activist. The lectern at which Smotrich spoke was covered with a flag depicting the 'Greater Land of Israel,' encompassing the whole of Mandatory Palestine, as well as Trans-Jordan. During his speech, Smotrich said that "there's no such thing as Palestinians because there's no such thing as a Palestinian people." He added that the Palestinian people are a fictitious nation invented only to fight the Zionist movement, asking "Is there a Palestinian history or culture? There isn't any." The event received widespread media coverage. On 21 March, a spokesman for the US State Department sharply criticized Smotrich's comments. "The comments, which were delivered at a podium adorned with an inaccurate and provocative map, are offensive, they are deeply concerning, and, candidly, they're dangerous. The Palestinians have a rich history and culture, and the United States greatly values our partnership with the Palestinian people," he said. The Jordanian Foreign Ministry also voiced disapproval: "The Israeli Minister of Finance's use, during his participation in an event held yesterday in Paris, of a map of Israel that includes the borders of the Hashemite Kingdom of Jordan and the occupied Palestinian territories represents a reckless inflammatory act, and a violation of international norms and the Jordanian-Israeli peace treaty." Additionally, a map encompassing Mandatory Palestine and Trans-Jordan with a Jordanian flag on it was placed on a central lectern in the Jordanian Parliament. Jordan's parliament voted to expel the Israeli ambassador. Israel's Ministry of Foreign Affairs released a clarification relating to the matter, stating that "Israel is committed to the 1994 peace agreement with Jordan. There has been no change in the position of the State of Israel, which recognizes the territorial integrity of the Hashemite Kingdom of Jordan". Ahead of a Europe Day event due to take place on 9 May 2023, far-right wing National Security Minister Itamar Ben-Gvir was assigned as a representative of the government and a speaker at the event by the government secretariat, which deals with placing ministers at receptions on the occasion of the national days of the foreign embassies. The European Union requested that Ben-Gvir not attend, but the government did not make changes to the plan. On 8 May, the European delegation to Israel cancelled the reception, stating that: "The EU Delegation to Israel is looking forward to celebrating Europe Day on May 9, as it does every year. Regrettably, this year we have decided to cancel the diplomatic reception, as we do not want to offer a platform to someone whose views contradict the values the European Union stands for. However, the Europe Day cultural event for the Israeli public will be maintained to celebrate with our friends and partners in Israel the strong and constructive bilateral relationship". Israel's Opposition Leader Yair Lapid stated: "Sending Itamar Ben-Gvir to a gathering of EU ambassadors is a serious professional mistake. The government is embarrassing a large group of friendly countries, jeopardizing future votes in international institutions, and damaging our foreign relations. Last year, after a decade of efforts, we succeeded in signing an economic-political agreement with the European Union that will contribute to the Israeli economy and our foreign relations. Why risk it, and for what? Ben-Gvir is not a legitimate person in the international community (and not really in Israel either), and sometimes you have to be both wise and just and simply send someone else". On 23 February 2023, Defense Minister Gallant signed an agreement assigning governmental powers in the West Bank to a body to be headed by Minister Bezalel Smotrich, who will effectively become the governor of the West Bank, controlling almost all areas of life in the area, including planning, building and infrastructure. Israeli governments have hitherto been careful to keep the occupation as a military government. The temporary holding of power by an occupying military force, pending a negotiated settlement, is a principle of international law – an expression of the prohibition against obtaining sovereignty through conquest that was introduced in the wake of World War II. An editorial in Haaretz noted that the assignment of governmental powers in the West Bank to a civilian governor, alongside the plan to expand the dual justice system so that Israeli law will apply fully to settlers in the West Bank, constitutes de jure annexation of the West Bank. On 26 February 2023, following the 2023 Huwara shooting in which two Israelis were killed by an unidentified attacker, hundreds of Israeli settlers attacked the Palestinian town of Huwara and three nearby villages, setting alight hundreds of Palestinian homes (some with people in them), businesses, a school, and numerous vehicles, killing one Palestinian man and injuring 100 others. Bezalel Smotrich subsequently called on Twitter for Huwara to be "wiped out" by the Israeli government. Zvika Fogel MK, of the ultra-nationalist Otzma Yehudit, which forms part of the governing coalition, said that he "looks very favorably upon" the results of the rampage. Members of the coalition proposed an amendment to the Disengagement Law, which would allow Israelis to resettle settlements vacated during the 2005 Israeli disengagement from Gaza and the northern West Bank. The evacuated settlements were considered illegal under international law, according to most countries. The proposal was approved for voting by the Foreign Affairs and Defense Committee on 9 March 2023, while the committee was still waiting for briefing materials from the NSS, IDF, MFA and Shin Bet, and was passed on 21 March. The US has requested clarification from Israeli ambassador Michael Herzog. A US State Department spokesman stated that "The U.S. strongly urges Israel to refrain from allowing the return of settlers to the area covered by the legislation, consistent with both former Prime Minister Sharon and the current Israeli Government's commitment to the United States," noting that the actions represent a clear violation of undertakings given by the Sharon government to the Bush administration in 2005 and Netanyahu's far-right coalition to the Biden administration the previous week. Minister of Communication Shlomo Karhi had initially intended to cut the funding of the Israeli Public Broadcasting Corporation (also known by its blanket branding Kan) by 400 million shekels – roughly half of its total budget – closing several departments, and privatizing content creation. In response, the Director-General of the European Broadcasting Union, Noel Curran, sent two urgent letters to Netanyahu, expressing his concerns and calling on the Israeli government to "safeguard the independence of our Member KAN and ensure it is allowed to operate in a sustainable way, with funding that is both stable, adequate, fair, and transparent." On 25 January 2023, nine journalist organizations representing some of Kan's competitors issued a statement of concern, acknowledging the "important contribution of public broadcasting in creating a worthy, unbiased and non-prejudicial journalistic platform", and noting that "the existence of the [broadcasting] corporation as a substantial public broadcast organization strengthens media as a whole, adding to the competition in the market rather than weakening it." They also expressed their concern that the "real reason" for the proposal was actually "an attempt to silence voices from which... [the Minister] doesn't always draw satisfaction". The same day, hundreds of journalists, actors and filmmakers protested in Tel Aviv. The proposal was eventually put on hold. On 22 February 2023 it was reported that Prime Minister Netanyahu was attempting to appoint his close associate Yossi Shelley as the deputy to the National Statistician — a highly sensitive position in charge of providing accurate data for decision makers. The appointment of Shelley, who did not possess the required qualifications for the role, was withdrawn following publication. In its daily editorial, Haaretz tied this attempt with the judicial reform: "once they take control of the judiciary, law enforcement and public media, they wish to control the state's data base, the dry numerical data it uses to plan its future". Netanyahu also proposed Avi Simhon for the role, and eventually froze all appointments at the Israel Central Bureau of Statistics. Also on 22 February 2023, it was revealed that Yoav Kish, the Minister of Education, was promoting a draft government decision change to the National Library of Israel board of directors which would grant him more power over the institution. In response, the Hebrew University — which owned the library until 2008 – announced that if the draft is accepted, it will withdraw its collections from the library. The university's collections, which according to the university constitute some 80% of the library's collection, include the Agnon archive, the original manuscript of Hatikvah, and the Rothschild Haggadah, the oldest known Haggadah. A group of 300 authors and poets signed an open letter against the move, further noting their objection against "political takeover" of public broadcasting, as well as "any legislation that will castrate the judiciary and damage the democratic foundations of the state of Israel". Several days later, it was reported that a series of donors decided to withhold their donations to the library, totaling some 80 million shekels. On 3 March a petition against the move by 1,500 academics, including Israel Prize laureates, was sent to Kish. The proposal has been seen by some as retribution against Shai Nitzan, the former State Attorney and the library's current rector. On 5 March it was reported that the Legal Advisor to the Ministry of Finance, Asi Messing, was withholding the proposal. According to Messing, the proposal – which was being promoted as part of the Economic Arrangements Law – "was not reviewed... by the qualified personnel in the Ministry of Finance, does not align with any of the common goals of the economic plan, was not agreed to by myself and was not approved by the Attorney General." As of February 2023, the government has been debating several proposals that will significantly weaken the Ministry of Environmental Protection, including reducing the environmental regulation of planning and development and electricity production. One of the main proposals, the transferal of a 3 billion shekel fund meant to finance waste management plants from the Ministry of Environmental Protection to the Ministry of the Interior, was eventually withdrawn. The Minister of Environmental Protection, Idit Silman, has been criticized for using for meeting with climate change denialists, for wasteful and personally-motivated travel on the ministry's expense, for politicizing the role, and for engaging in political activity on the ministry's time. The government has been noted for an unusually high number of dismissals and resignations of senior career civil servants, and for the frequent attempts to replace them with candidates with known political associations, who are often less competent. According to sources, Netanyahu and people in his vicinity are seeking out civil servants who were appointed by the previous government, intent on replacing them with people loyal to him. Governmental nominees for various positions have been criticized for lack of expertise. In addition to the nominee to the position of Deputy National Statistician (see above), the Director General of the Ministry of Finance, Shlomi Heisler; the Director General of the Ministry of Justice, Itamar Donenfeld; and the Director General of Ministry of Transport, Moshe Ben Zaken, have all been criticized for incompetence, lack of familiarity with their Ministries' subject matter, lack of interest in the job, or lack of experience in managing large organizations. It has been reported that in some ministries, senior officials were enacting slowdowns as a means for dealing with the new ministers and director generals. On 28 July the director general of the Ministry of Education resigned, citing as reason the societal "rift". Asaf Zalel, a retired Air Force Brigadier General, was appointed in January. When asked about attempts to appoint his personal friend and attorney to the board of directors of a state-owned company, Minister David Amsalem replied: "that is my job, due to my authority to appoint directors. I put forward people that I know and hold in esteem". Under Minister of Transport Miri Regev, the ministry has either dismissed or lost the heads of the National Public Transport Authority, Israel Airports Authority, National Road Safety Authority, Israel Railways, and several officials in Netivei Israel. The current chair of Netivei Israel is Likud member and Regev associate Yigal Amadi, and the legal counsel is Einav Abuhzira, daughter of a former Likud branch chair. Abuhzira was appointed instead of Elad Berdugo, nephew of Netanyahu surrogate Yaakov Bardugo, after he was disqualified for the role by the Israel Government Companies Authority. In July 2023 the Ministry of Communications, Shlomo Karhi, and the minister in charge of the Israel Government Companies Authority, Dudi Amsalem, deposed the chair of the Israel Postal Company, Michael Vaknin. The chair, who was hired to lead the company's financial recovery after years of operational loss and towards privatization, has gained the support of officials at the Authority and at the Ministry of Finance; nevertheless, the ministers claimed that his performance is inadequate, and nominated in his place Yiftah Ron-Tal, who has known ties to Netanyahu and Smotrich. They also nominated four new directors, two of which have known political associations, and a third who was a witness in Netanyahu's trial. The coalition is allowed to spend a portion of the state's budget on a discretionary basis, meant to coax member parties to reach an agreement on the budget. As of May 2023, the government was pushing an allocation of over 13 billion shekels over two years - almost seven times the amount allocated by the previous government. Most of the funds will be allocated for uses associated with the religious, orthodox and settler communities. The head of the Budget Department at the Ministry of Finance, Yoav Gardos, objected to the allocations, claiming they would exacerbate unemployment in the Orthodox community, which is projected to cost the economy a total of 6.7 trillion shekels in lost produce by 2065. At the onset of the Gaza war and the declaration of a state of national emergency, Minister of Finance Bezalel Smotrich instructed government agencies to continue with the planned distribution of discretionary funds. Corruption During March 2023, the government was promoting an amendment to the Law on Public Service (Gifts) that would allow Netanyahu to receive donations to fund his legal defense. The amendment follows a decision by the High Court of Justice (HCJ) that forced Netanyahu to refund US$270,000 given to him and his wife by his late cousin, Nathan Mileikowsky, for their legal defense. This is in contrast to past statements by Minister of Justice Yariv Levin, who spoke against the possible conflict of interests that can result from such transactions. The bill was opposed by the Attorney General Gali Baharav-Miara, who stressed that it could "create a real opportunity for governmental corruption", and was eventually withdrawn at the end of March. As of March 2023, the coalition was promoting a bill that would prevent judicial review of ministerial appointments. The bill is intended to prevent the HCJ from reviewing the appointment of the twice-convicted chairman of Shas, Aryeh Deri (convicted of bribery, fraud, and breach of trust), to a ministerial position, after his previous appointment was annulled on grounds of unreasonableness. The bill follows on the heels of another amendment, that relaxed the ban on the appointment of convicted criminals, so that Deri - who was handed a suspended sentence after his second conviction - could be appointed. The bill is opposed by the Attorney General, as well as by the Knesset Legal Adviser, Sagit Afik. Israeli law allows for declaring a Prime Minister (as well as several other high-ranking public officials) to be temporarily or permanently incapacitated, but does not specify the conditions which can lead to a declaration of incapacitation. In the case of the Prime Minister, the authority to do so is given to the Attorney General. In March 2023, the coalition advanced a bill that passes this authority from the Attorney General to the government with the approval of the Knesset committee, and clarified that incapacitation can only result from medical or mental conditions. On 3 January 2024, the Supreme Court ruled by a majority of 6 out of 11 that the validity of the law will be postponed to the next Knesset because the bill in its immediate application is a personal law and is intended to serve a distinct personal purpose. Later, the court rejected a petition regarding the definition of Netanyahu as an incapacitated prime minister due to his ongoing trial and conflict of interests. Notes References External links |
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[SOURCE: https://en.wikipedia.org/wiki/ITN] | [TOKENS: 6063] |
Contents ITN Independent Television News (ITN) is a UK-based media production and broadcast journalism company. ITN is based in London, with bureaux and offices in Beijing, Brussels, Jerusalem, Johannesburg, New York, Paris, Sydney and Washington, D.C. ITN produces the daily news programmes for ITV, Channel 4 and 5 in the UK, and in recent years has diversified to produce a wide range of content including documentaries, sports, advertising and digital material for a range of international clients. Between 1955 and 1999, ITN was more commonly known as the general brand name of ITV's news programmes. Since 8 March 1999, ITV has used ITV News as the brand name for its news programmes, though ITN continues as the network's news provider. The network's largest franchise owner, ITV plc (through its Channel 3 franchising subsidiary ITV Broadcasting Limited), is the largest shareholder of ITN, owning 40% of the company's shares. Other shareholders are Daily Mail and General Trust, Thomson Reuters and Informa plc, each owning 20% of shares. History After the Independent Television Authority (ITA) awarded the first six ITV franchises to four companies, it decided that national news should be provided by a separate contractor. ITN was founded in May 1955 by a consortium of the initial four broadcasting companies, with former Labour MP Aidan Crawley as editor-in-chief. The first bulletin was broadcast at 10 pm on 22 September 1955 on ITV's launch night. Its original theme tune was 'Non Stop', by John Malcolm, which was used for the next 30 years. The bulletin was presented by former champion athlete Christopher Chataway. From the start, ITN broke new ground by introducing in-vision and named 'newscasters' (rather than the BBC's nameless and sound-only 'newsreaders'), and reporter packages. The unique, probing reporting style of Robin Day caused shock among politicians, finding themselves questioned continually for information – this had never been the case with the BBC. There was also some early tensions with the ITV companies. ABC Weekend TV, the ITV contractor for the north and Midlands on weekends, immediately called for shorter ITN bulletins. While the ITA ruled on a minimum of a 20-minute bulletin, disagreements with the ITV companies over ITN's budget triggered the resignation of Crawley after just one year in 1956. He was replaced by Geoffrey Cox. Throughout the early years, ITN continued to develop its service to the ITV network with an agenda to firstly, fulfil its public service broadcasting requirements and secondly satisfy the ITV companies by attracting viewers. Under this method, ITN continued to differentiate itself from the BBC by conducting probing interviews, introducing more human interest stories and bringing ordinary people on to screen by using so-called 'vox pops' (interviews, usually held in the street, with members of the general public), all of which were seen as a radical departure at the time in British broadcasting. In 1956 the General Post Office ended its Fourteen Day Rule prohibiting discussion on television of topics for debate in Parliament during the following two weeks. As the ITN reporter and later ITN political editor Julian Haviland, put it: "My view was that at ITN we must be at least as responsible and accurate as the BBC, without being so damned boring". As ITV expanded, each ITV company that made up the network's federal structure had to purchase a stake in ITN and to continue to finance the company. In 1967, ITN was given the go-ahead by the ITA to provide a full 30-minute daily news programme at 10 pm on ITV. There was further tension with the ITV executives as they were sceptical of the idea that viewers would want a full 30 minutes of news every Monday to Friday and they were also losing valuable peak time slots which could be used for the sale of commercial advertising. News at Ten began broadcasting on 3 July 1967 with a newscaster team consisting of Alastair Burnet, Andrew Gardner, George Ffitch and Reginald Bosanquet. It was initially given a 13-week trial run; however, the programme proved to be extremely popular with viewers and continued for a further 32 years. News at Ten was to become one of the most prestigious news programmes of its time in British history with a reputation for high-quality journalism and innovation. ITN's News at Ten also prompted the BBC to gradually expand its 20:50 news bulletin from ten minutes to fifteen, twenty and then twenty-five minutes. The Nine O'Clock News began broadcasting in 1970 as News at Ten's rival. ITN also established other programmes in the ITV schedule. First Report, a lunchtime bulletin began in 1972 and by 1976, News at 5.45 commenced. This was a period when ITN enjoyed its greatest plaudits, following Lord Annan's 1977 report on the future of broadcasting, which declared: "We subscribe to the generally held view that ITN has the edge over BBC news." ITN obtained the contract to produce Channel 4 News when the channel started broadcasting in 1982. The programme was launched by Peter Sissons, Trevor McDonald and Sarah Hogg. The hour-long programme has been broadcast at 7 pm since it started and has a reputation for high-quality journalism and thorough analysis. Further expansion came with the launch of overnight television on ITV in 1988, with ITN providing hourly news bulletins, as well as the half-hour ITN Morning News to conclude the overnight schedules. Until the 1990s, the individual ITV companies had an obligation to provide a national news programme, which required them to take a share in the ITN operation. Following the Broadcasting Act 1990, ITN had to apply and bid for a licence to provide such services on these ITV networks, and would have to fight competition in order to preserve its services, as had become the case with other ITV franchisees. The Broadcasting Act also allowed the Independent Television Commission to introduce ownership rules for news providers. The move was to transform the company from a 'cost centre' to a 'profit-making business'. The move saw 400 staff made redundant, and the closure of a number of international bureaux to claw back a £10 million deficit in order to provide a competitive product to obtain the ITV news contract. Within three years the company turned to profit in 1993 with suggestions at the time that the company should be listed on the stock exchange. The company launched 5 News in 1997 following the foundation of Channel 5. The 1990s saw major changes to the television landscape in Britain. The growth of multichannel television saw ITV's share of audience fall. Against this backdrop ITV itself became increasingly commercially aggressive. This was to be a major turning point in ITN's history which saw a reduction in the ITV news contract. By this period the main ITV companies Granada and Carlton had also viewed unfavourably the scheduling of News at Ten which became a subject of dispute between ITN and the ITV companies. ITN favoured keeping the bulletin; however, the ITV companies claimed audiences were lost at 10 pm as the news interrupted films and drama programming. News at Ten eventually ended in March 1999 with ITN's flagship bulletin moved to 6.30 pm with a shorter late night bulletin at 11 pm. Consolidation of the ITV network under a unified ITV brand also saw the removal of the on-screen ITN brand which was replaced with ITV News. From this point, the ITN brand was gradually phased out and it is now only referenced to in the end production caption. In 1997, ITN started producing the Royal Christmas Message every other year. The early years of the 21st century was to prove to be a challenging period. The axing of News at Ten caused public outcry and ITN's viewership figures fell by 13.9% Political pressure and pressure from the media resulted in ITV bringing back a shorter 20-minute bulletin at 10 pm three nights a week. The programme eventually lost share to the BBC News at Ten (which launched in 2000 to capitalise on ITV's move) and ITV eventually axed the programme again in 2004 and moved the bulletin to 10:30 pm before bringing it back to 10 pm again in 2008. The biggest challenge came in 2001 when British Sky Broadcasting bid to supply network news to ITV as part of a consortium. ITN eventually succeeded and was awarded a contract extension to 2008. In January 2005 Sky News took over supplying bulletins to Channel 5; ITN had produced 5 News since its launch in 1997 and the contract was returned in February 2012, following a change of ownership at Channel 5. In August 2000, ITN launched its own 24-hour news channel in the UK, broadcast on satellite, cable and digital terrestrial. It was 50% owned by ITN and 50% owned by NTL. Carlton and Granada gradually bought out the two stakes and renamed the channel the ITV News Channel. It closed down on 23 December 2005. Poor ratings in comparison to BBC News 24 and Sky News, and ITV's desire to re-use the channel's allocation on Freeview, were cited as the reasons. In March 2004 following its acquisition of the London News Network, a company previously owned by the now merged Carlton and Granada, ITN began producing local news bulletins for the ITV London region. ITN produced More4 News between 2005 and 2009. In 2007 it began producing Setanta Sports News; however it closed in 2009. Between 1996 and 2002, it also owned a share of London News Radio, which was based at ITN's Gray's Inn Road headquarters and operated the LBC and News Direct London radio stations. Since 5 October 1992, ITN used to operate a radio news service on behalf of Independent Radio News (IRN) but on 15 October 2008, IRN announced that Sky News Radio was to replace ITN as its main supplier from March 2009. While news production remains the cornerstone of ITN's business model, the company has diversified from its original remit. ITN Source (originally ITN Archive) is one of the world's largest sources of historical film. ITN Productions creates multi-platform content for major global brands, covering genres such as factual, entertainment, news and corporate production. Clients that commission programmes from ITN Productions include major UK and international broadcasters such as ITV, the BBC, Channel 4, Channel 5, History and Discovery, with television commissions including Climbing Great Buildings on BBC2 and Mud Men on the History Channel. News and current affairs programmes ITN has produced all national news bulletins on ITV since the network was launched on 22 September 1955. Originally, the ITN logo and brand featured prominently on all news bulletins on ITV; however, since March 1999, bulletins have been branded as ITV News. Trademarks of ITV News include the use of the clock-face of the Elizabeth Tower of Westminster Palace, the chimes of Big Ben punctuating the day's headlines and the signature theme tune; The Awakening by Johnny Pearson. Throughout the early years, ITN established programmes in the ITV schedule including First Report at lunchtime, News at 5.45 in the evening and the flagship News at Ten. Today, ITV News on weekdays broadcasts the ITV Lunchtime News at 1.30pm, the ITV Evening News at 6.30pm and ITV News at Ten with bulletins broadcast at various times on weekends. ITN has at times interrupted the ITV schedule to provide updates on major breaking stories of national and international importance, including the September 11 attacks, London bombings, 2005 or events involving the British royal family. ITN has covered every general election since 1959 for ITV, providing comprehensive coverage of the counts throughout election night and has also broadcast special programmes covering the UK budget speech given by the Chancellor of the Exchequer. ITN's history is inextricably linked to that of ITV as prior to the Broadcasting Act 1990 each of the ITV companies owned a share. In the 1990s, under new ownership, it was accused of abandoning its previous news style, which was broadsheet in style to mid-market tabloid with news stories that focused on personalities in the news, leading to accusations of dumbing down. ITN's most famous news programme, News at Ten was also controversially replaced by an 11 pm news bulletin in 1999, said to be in order to allow ITV to broadcast films without the interruption of a 10 o'clock news bulletin. News at Ten was subsequently re-instated in 2001 after heavy public criticism over the change. The restored programme was 10 minutes shorter than its predecessor and carried less in-depth news coverage. It was also broadcast at a later time at least one day a week, which meant it was often jokingly referred to as News at When? There was increasing speculation that the News at Ten would again be moved, after under-performing against the BBC's Ten O'Clock News on BBC One which broadcasts every night at 10:00 pm. In October 2003, the Independent Television Commission gave ITV approval to move News at Ten. The ITV News at 10.30 launched on ITV on 2 February 2004 (the day that ITV in England, Wales and Southern Scotland came under the ownership of a single company) and was presented by Sir Trevor McDonald. The programme was longer than its predecessor and carried an integrated regional bulletin, as well as more business stories, a nightly sports update and a preview of the following day's newspapers. Mark Austin took over main presenting duties on 3 January 2006. The rebranded programme again saw new titles, this time featuring people walking over the face of Big Ben and has lately followed a more "sensationalist" approach to its main headlines. When ITV executive chairman Michael Grade joined ITV, he made it clear that he saw news as the key to defining any channel. On 14 January 2008, the News at Ten returned, presented by Julie Etchingham and McDonald returned to his duties again. Mark Austin joined Etchingham as co-presenter in November 2008. As of October 2015, Tom Bradby has been the main presenter on the programme. The ITV Evening News has, since it was launched in 1999, been the network's most popular bulletin. Its main presenter is Mary Nightingale. In March 2004, ITN took over production of ITV London's regional news programmes, which relocated from The London Television Centre on the South Bank to ITN's Gray's Inn Road base. On 24 January 2022, ITV announced that the 6:30pm ITV Evening News will be extended to an hour from March 2022, making it the third hour long news programme ITN will be producing for the national PSB channels in 2022, along with Channel 4 News and 5 News at 5. As part of the re-structure of ITV Daytime due to cost saving and efficiencies, ITN will take on the production of Good Morning Britain, under the ITV News banner. The move will see production move from Television Centre to ITN headquarters in Central London, with the first broadcast on 5 January 2026. The programme will also be extended to run from 6:00 am to 10:00 am daily for 22 weeks of the year, and 6:00 am to 9:30 am for 30 weeks of the year, continuing to be available on ITVX after broadcast. The final broadcast from Television Centre was on 31 December 2025. ITN is home to Channel 4 News, having produced the programme since the channel's inception in 1982. The Channel 4 News flagship programme is 55 minutes of in-depth news and current affairs broadcast at 7 pm each weekday and at 6:30 pm on Saturdays and Sundays. The weekday evening programme was anchored by journalist Jon Snow for 32 years until 23 December 2021, with the programme now being presented by a range of newscasters, including Unreported World presenter Krishnan Guru-Murthy. A five-minute-long news summary goes out Monday to Friday at midday. The bulletin replaced Channel 4's 30-minute News at Noon programme in late 2009, six years after its launch during the Iraq War of 2003. ITN created More4 News when the digital channel More4 was launched in October 2005. It ran at 8 pm, immediately after Channel 4 News. It was originally presented by Sarah Smith; Kylie Morris took over presenting duties in June 2007 and Smith was posted to the US as Channel 4 News' Washington correspondent. In December 2009 Channel 4 cancelled More4 News. From the launch of Channel 5 in 1997, ITN provided the news bulletins for 5 News. However, in January 2005, ITN lost the contract, which was awarded to Sky News. In 2011 ITN regained the contract in a three-year deal to provide news for Channel 5 from early 2012, but on a much-reduced budget. The deal followed an agreement by Sky and Northern & Shell, the then-owner of Channel 5, to terminate the 5 News contract early. In addition to a number of short bulletins, ITN provided two main half-hour evening news programmes for Channel 5 until 2021. In September 2021, Ofcom approved the removal of the 6.30pm news slot by Channel 5 in order for the ViacomCBS channel to schedule Neighbours at 6pm and Eggheads at 6.30pm with a new hour long 5 News programme going out on the channel at 5pm. Ofcom's approval of the channel's new conditions recognised that there will be still three-hours of news between 5–8pm over all the main public service broadcasters’ channels, and that Channel 5 was still committed to delivering more than 280 hours of news each year. The relaunched hour long 5 News at 5 was first broadcast by the channel on 8 November 2021, with the programme presented by Sian Williams and Claudia-Liza Vanderpuije. In addition to the channel's news, ITN was given an extra hour slot by Channel 5 in January 2022 to extend their daily current affairs phone-in and discussion show Jeremy Vine each weekday morning. In 2018, ITN secured the contract for Channel 5's topical morning debate and chat show The Wright Stuff, just before the host of 18 years, Matthew Wright, announced he was going to leave the programme. Wright was replaced by BBC Radio 2 presenter Jeremy Vine, who had been hosting a lunchtime phone-in debate show on the radio since 2003, with the programme becoming eponymously named when Vine took over in September 2018. In 2022, the programme was extended by Channel 5, with the extra hour being known as Jeremy Vine Extra as it is presented by Storm Huntley rather than Vine, who starts his radio show at noon. Other programmes of note ITN's royal documentaries have been a ratings winner for 5 on Saturday nights, with programmes released about the current monarchy under names such as Harry and Meghan: Two Troubled Years, Charles and Camilla: King and Queen in Waiting and Fergie & Andrew The Duke & Duchess of Disaster. Documentaries about the past members of the British Royal Family are also getting good viewing figures, with a programme about King George V (whose reign was from 6 May 1910 until 20 January 1936) achieving a rating of 1.4 million viewers when it was first broadcast. Most of these documentaries feature archive clips with contributions from historians and royal watchers like former BBC royal correspondent Jennie Bond or Lady Colin Campbell. As well as the British Royal Family, the slot had also been used to schedule an ITN documentary called The Grace of Monaco: Hollywood Princess about Grace Kelly, the American actor who married Prince Rainier III of Monaco in April 1956, one of the few ITN royal titles featuring foreign-born royalty. ITN also made the documentary Charles: Our New King for Beyond Rights, with the programme scheduled for a transmission slot on Channel 4, The Smithsonian Channel (in North America), SBS and M6. Similar to ITN's programmes for Channel 5, the programme was a trawl through its Royal archive with experts like Ayesha Hazarika, Bonnie Greer, Polly Toynbee and Ian Skelly analysing various points in King Charles' life. Operations ITN Productions was formed in February 2010 and incorporates the non-news operations of ITN, including the former ITN On, ITN Factual and ITN Corporate divisions. Showbiz bulletins from ITN are broadcast daily on a number of television channels, including FYI Daily on ITV2, ITV3 and ITV4, and Entertainment News on 5 (formally called Access) for Channel 5's range of channels. A daily showbiz breakfast show, The Breakfast Fix was broadcast on 4Music along with showbiz updates under the name of The Fix. From August 2013, ITN Productions was awarded the contract to produce the Premier League online and mobile highlights service for News UK. Content appears on The Sun and The Times subscription websites and mobile apps. ITN Productions also creates factual programming for ITV, Channel 4 and Channel 5 as well as international broadcasters, including Discovery Channel, History, PBS and National Geographic. ITN has produced shows for Sky, with one of its later programmes being Harrow: A Very British School. ITN also supplied programming to the now-closed Teachers TV service. ITN began its own World News bulletins in the late 1980s, which were shown around the world on local television channels, particularly on PBS stations in the US, where presenter Daljit Dhaliwal (now with Al-Jazeera English) enjoyed cult status. These were discontinued in 2001, in the face of competition from dedicated news channels such as BBC World (now known as BBC World News), although it still provides footage to CNN International and reports often appear on PBS NewsHour. Its ITV Evening News bulletin was shown on the Newsworld International cable channel in the US. From December 1997 to April 2003, ITN held a 49% stake in European news channel Euronews. ITN launched a 24-hour news channel on 1 August 2000, which in 2002 was sold to the main ITV companies Carlton and Granada, and rebranded as the ITV News Channel. It was closed down on 23 December 2005. On the same day, ITN launched a 24-hour radio station called ITN News Radio. It broadcast nationally on the Digital One multiplex until 2003. In 2005, ITN became a shareholder in Espresso Group, a provider of digital content to more than 60% of primary schools in the UK and also internationally. Espresso services feature an extensive library of broadband teaching resources and student activities to motivate pupils and support teachers, including content from ITN Source. In May 2008, the Education Clip Library, a unique, video licensing service for educational publishers and broadcasters around the world, was launched. It is aimed at educational publishers and broadcasters seeking to add video to their instructional products and services. Espresso was acquired by Discovery Education (part of Discovery Communications) on 7 November 2013. Setanta Sports News was a 24-hour sports news television channel produced by ITN and jointly owned by Virgin Media Television and Setanta Sports, launched on 29 November 2007. The channel ceased broadcasting on 23 June 2009, when Setanta's UK operation were placed into administration following financial difficulties. In October 2008, ITN founded digital production company Diagonal View as a joint venture together with digital entrepreneur Matt Heiman. The company packages footage from the ITN archive and syndicates it to a range of commercial partners including Myspace, YouTube and MSN. In March 2017, the company was sold to Sky, who paid £2.6m for ITN's stake. ITN Consulting was the management consultancy arm of ITN, combining the resources of ITN with the consulting team's experience to advise global media companies on issues spanning all areas of strategy and operations, including financial planning, marketing, scheduling and content, recruitment, and interim management. With partner Venture Consulting, it had offices in London, Milan, Dubai, Singapore and Sydney. It operated as a network with its consultants working on engagements globally and focused "on how strategy can be implemented to deliver to real change". ITN Consulting stated that "an understanding of how global, regional and local media markets conflict and come together enables them to identify the opportunities this creates". They took an external, outsider perspective as well as having the viewpoint of senior "insider" media executives. ITN Consulting was extensively involved in the development of business plans for local TV in the UK. It also consulted a range of national broadcasters on improving performance. The unit closed in 2012. ITN Source (formerly ITN Archive) licensed video footage from ITN's one million hours of archive content including news, drama, celebrity, comedy, music, wildlife, natural history and film. It also syndicated on-the-day news footage generated by ITN to other broadcasters and producers worldwide. The service represented the moving image libraries of Reuters, ITV (including ITV Studios), ANI, UTV Media, Fox News, Fox Movietone, Gaumont-British, Nine Network and other specialist collections. The division was closed at the end of 2016, when ITN outsourced its archive sales to Getty Images. Corporate affairs ITN has been based at 200 Gray's Inn Road since 1991. The purpose-built headquarters were designed by architect Sir Norman Foster, and officially opened by Queen Elizabeth II on 8 May 1991. The building also houses the ITV Network Centre and Warner Bros. offices. Prior to the redevelopment, the site was the location of The Times and The Sunday Times offices from 1974 to 1986, and The Guardian offices from 1961 to 1976. ITN's first base was Ingersoll House on Kingsway, before moving across the road to Associated-Rediffusion's newly converted Television House shortly before the first broadcast. In August 1969, the company moved to ITN House at 48 Wells Street, close to the BBC's Broadcasting House. As of February 2025, there are three operational television studios based at ITN. Studios 1 and 2 are located in the basement of the building, with both studios measuring 2,438 sq ft in size each. Studio 1 is currently used by Good Morning Britain, the ITV News bulletins and the ITV News London bulletins. Studio 2 is used by 5 News and also produces Jeremy Vine's morning show on 5. Studio 6 is located adjacent to the atrium of ITN and has been home to Channel 4 News since 1999. The Chief Executive of ITN is Rachel Corp. A former ITV News Editor, Rachel succeeded Deborah Turness in September 2022, when Turness left to join the BBC. Prior to Turness, ITN was led by Anna Mallett, who left to join Netflix. Mallett had been in post for around two years, having joined the company in April 2019. The Times reported in 2022, that one former ITN staff member signed a secrecy clause or NDA after accepting a financial settlement and agreeing to drop allegations of victimisation and sex discrimination inside the company. The woman said she raised her grievance in 2020 after ITN’s then chief executive, Anna Mallett, told staff she wanted to create "a culture where people feel confident to speak up". In 2023, ITN appointed Ian Rumsey as Managing Director of Content and Tami Hoffman as Director of News Distribution and Commercial Innovation. The current shareholders of ITN are: Upon its inception, ITN was jointly owned by all the ITV operating companies, with shareholdings split roughly in proportion to each company's advertising income. However, the Broadcasting Act 1990 allowed the ITC to set ownership rules. It was decided to limit the ITV companies to a maximum joint 49% stake, with no single company allowed more than a 20% holding. The powers were abolished by the Communications Act 2003.[citation needed] Parodies ITN has been spoofed several times on ITV's The Benny Hill Show, namely in one 1971 show with the logo reading "NIT" instead of "ITN" and with Hill as Reginald "Boozenquet" and Andrew Gardner. ITN was also spoofed in a sketch in 1978 with Benny Hill as Angela O'Rippon, a parody of Angela Rippon, and as Ann Afford, a parody of Anna Ford. It was also spoofed in a black and white 1971 show and a 1973 episode. See also References External links |
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[SOURCE: https://en.wikipedia.org/wiki/Mars#cite_ref-72] | [TOKENS: 11899] |
Contents Mars Mars is the fourth planet from the Sun. It is also known as the "Red Planet", for its orange-red appearance. Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxide (CO2). At the average surface level the atmospheric pressure is a few thousandths of Earth's, atmospheric temperature ranges from −153 to 20 °C (−243 to 68 °F), and cosmic radiation is high. Mars retains some water, in the ground as well as thinly in the atmosphere, forming cirrus clouds, fog, frost, larger polar regions of permafrost and ice caps (with seasonal CO2 snow), but no bodies of liquid surface water. Its surface gravity is roughly a third of Earth's or double that of the Moon. Its diameter, 6,779 km (4,212 mi), is about half the Earth's, or twice the Moon's, and its surface area is the size of all the dry land of Earth. Fine dust is prevalent across the surface and the atmosphere, being picked up and spread at the low Martian gravity even by the weak wind of the tenuous atmosphere. The terrain of Mars roughly follows a north-south divide, the Martian dichotomy, with the northern hemisphere mainly consisting of relatively flat, low lying plains, and the southern hemisphere of cratered highlands. Geologically, the planet is fairly active with marsquakes trembling underneath the ground, but also hosts many enormous volcanoes that are extinct (the tallest is Olympus Mons, 21.9 km or 13.6 mi tall), as well as one of the largest canyons in the Solar System (Valles Marineris, 4,000 km or 2,500 mi long). Mars has two natural satellites that are small and irregular in shape: Phobos and Deimos. With a significant axial tilt of 25 degrees, Mars experiences seasons, like Earth (which has an axial tilt of 23.5 degrees). A Martian solar year is equal to 1.88 Earth years (687 Earth days), a Martian solar day (sol) is equal to 24.6 hours. Mars formed along with the other planets approximately 4.5 billion years ago. During the martian Noachian period (4.5 to 3.5 billion years ago), its surface was marked by meteor impacts, valley formation, erosion, the possible presence of water oceans and the loss of its magnetosphere. The Hesperian period (beginning 3.5 billion years ago and ending 3.3–2.9 billion years ago) was dominated by widespread volcanic activity and flooding that carved immense outflow channels. The Amazonian period, which continues to the present, is the currently dominating and remaining influence on geological processes. Because of Mars's geological history, the possibility of past or present life on Mars remains an area of active scientific investigation, with some possible traces needing further examination. Being visible with the naked eye in Earth's sky as a red wandering star, Mars has been observed throughout history, acquiring diverse associations in different cultures. In 1963 the first flight to Mars took place with Mars 1, but communication was lost en route. The first successful flyby exploration of Mars was conducted in 1965 with Mariner 4. In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first successful landing (Mars 3) on Mars. Probes have been active on Mars continuously since 1997. At times, more than ten probes have simultaneously operated in orbit or on the surface, more than at any other planet beyond Earth. Mars is an often proposed target for future crewed exploration missions, though no such mission is currently planned. Natural history Scientists have theorized that during the Solar System's formation, Mars was created as the result of a random process of run-away accretion of material from the protoplanetary disk that orbited the Sun. Mars has many distinctive chemical features caused by its position in the Solar System. Elements with comparatively low boiling points, such as chlorine, phosphorus, and sulfur, are much more common on Mars than on Earth; these elements were probably pushed outward by the young Sun's energetic solar wind. After the formation of the planets, the inner Solar System may have been subjected to the so-called Late Heavy Bombardment. About 60% of the surface of Mars shows a record of impacts from that era, whereas much of the remaining surface is probably underlain by immense impact basins caused by those events. However, more recent modeling has disputed the existence of the Late Heavy Bombardment. There is evidence of an enormous impact basin in the Northern Hemisphere of Mars, spanning 10,600 by 8,500 kilometres (6,600 by 5,300 mi), or roughly four times the size of the Moon's South Pole–Aitken basin, which would be the largest impact basin yet discovered if confirmed. It has been hypothesized that the basin was formed when Mars was struck by a Pluto-sized body about four billion years ago. The event, thought to be the cause of the Martian hemispheric dichotomy, created the smooth Borealis basin that covers 40% of the planet. A 2023 study shows evidence, based on the orbital inclination of Deimos (a small moon of Mars), that Mars may once have had a ring system 3.5 billion years to 4 billion years ago. This ring system may have been formed from a moon, 20 times more massive than Phobos, orbiting Mars billions of years ago; and Phobos would be a remnant of that ring. Epochs: The geological history of Mars can be split into many periods, but the following are the three primary periods: Geological activity is still taking place on Mars. The Athabasca Valles is home to sheet-like lava flows created about 200 million years ago. Water flows in the grabens called the Cerberus Fossae occurred less than 20 million years ago, indicating equally recent volcanic intrusions. The Mars Reconnaissance Orbiter has captured images of avalanches. Physical characteristics Mars is approximately half the diameter of Earth or twice that of the Moon, with a surface area only slightly less than the total area of Earth's dry land. Mars is less dense than Earth, having about 15% of Earth's volume and 11% of Earth's mass, resulting in about 38% of Earth's surface gravity. Mars is the only presently known example of a desert planet, a rocky planet with a surface akin to that of Earth's deserts. The red-orange appearance of the Martian surface is caused by iron(III) oxide (nanophase Fe2O3) and the iron(III) oxide-hydroxide mineral goethite. It can look like butterscotch; other common surface colors include golden, brown, tan, and greenish, depending on the minerals present. Like Earth, Mars is differentiated into a dense metallic core overlaid by less dense rocky layers. The outermost layer is the crust, which is on average about 42–56 kilometres (26–35 mi) thick, with a minimum thickness of 6 kilometres (3.7 mi) in Isidis Planitia, and a maximum thickness of 117 kilometres (73 mi) in the southern Tharsis plateau. For comparison, Earth's crust averages 27.3 ± 4.8 km in thickness. The most abundant elements in the Martian crust are silicon, oxygen, iron, magnesium, aluminum, calcium, and potassium. Mars is confirmed to be seismically active; in 2019, it was reported that InSight had detected and recorded over 450 marsquakes and related events. Beneath the crust is a silicate mantle responsible for many of the tectonic and volcanic features on the planet's surface. The upper Martian mantle is a low-velocity zone, where the velocity of seismic waves is lower than surrounding depth intervals. The mantle appears to be rigid down to the depth of about 250 km, giving Mars a very thick lithosphere compared to Earth. Below this the mantle gradually becomes more ductile, and the seismic wave velocity starts to grow again. The Martian mantle does not appear to have a thermally insulating layer analogous to Earth's lower mantle; instead, below 1050 km in depth, it becomes mineralogically similar to Earth's transition zone. At the bottom of the mantle lies a basal liquid silicate layer approximately 150–180 km thick. The Martian mantle appears to be highly heterogenous, with dense fragments up to 4 km across, likely injected deep into the planet by colossal impacts ~4.5 billion years ago; high-frequency waves from eight marsquakes slowed as they passed these localized regions, and modeling indicates the heterogeneities are compositionally distinct debris preserved because Mars lacks plate tectonics and has a sluggishly convecting interior that prevents complete homogenization. Mars's iron and nickel core is at least partially molten, and may have a solid inner core. It is around half of Mars's radius, approximately 1650–1675 km, and is enriched in light elements such as sulfur, oxygen, carbon, and hydrogen. The temperature of the core is estimated to be 2000–2400 K, compared to 5400–6230 K for Earth's solid inner core. In 2025, based on data from the InSight lander, a group of researchers reported the detection of a solid inner core 613 kilometres (381 mi) ± 67 kilometres (42 mi) in radius. Mars is a terrestrial planet with a surface that consists of minerals containing silicon and oxygen, metals, and other elements that typically make up rock. The Martian surface is primarily composed of tholeiitic basalt, although parts are more silica-rich than typical basalt and may be similar to andesitic rocks on Earth, or silica glass. Regions of low albedo suggest concentrations of plagioclase feldspar, with northern low albedo regions displaying higher than normal concentrations of sheet silicates and high-silicon glass. Parts of the southern highlands include detectable amounts of high-calcium pyroxenes. Localized concentrations of hematite and olivine have been found. Much of the surface is deeply covered by finely grained iron(III) oxide dust. The Phoenix lander returned data showing Martian soil to be slightly alkaline and containing elements such as magnesium, sodium, potassium and chlorine. These nutrients are found in soils on Earth, and are necessary for plant growth. Experiments performed by the lander showed that the Martian soil has a basic pH of 7.7, and contains 0.6% perchlorate by weight, concentrations that are toxic to humans. Streaks are common across Mars and new ones appear frequently on steep slopes of craters, troughs, and valleys. The streaks are dark at first and get lighter with age. The streaks can start in a tiny area, then spread out for hundreds of metres. They have been seen to follow the edges of boulders and other obstacles in their path. The commonly accepted hypotheses include that they are dark underlying layers of soil revealed after avalanches of bright dust or dust devils. Several other explanations have been put forward, including those that involve water or even the growth of organisms. Environmental radiation levels on the surface are on average 0.64 millisieverts of radiation per day, and significantly less than the radiation of 1.84 millisieverts per day or 22 millirads per day during the flight to and from Mars. For comparison the radiation levels in low Earth orbit, where Earth's space stations orbit, are around 0.5 millisieverts of radiation per day. Hellas Planitia has the lowest surface radiation at about 0.342 millisieverts per day, featuring lava tubes southwest of Hadriacus Mons with potentially levels as low as 0.064 millisieverts per day, comparable to radiation levels during flights on Earth. Although Mars has no evidence of a structured global magnetic field, observations show that parts of the planet's crust have been magnetized, suggesting that alternating polarity reversals of its dipole field have occurred in the past. This paleomagnetism of magnetically susceptible minerals is similar to the alternating bands found on Earth's ocean floors. One hypothesis, published in 1999 and re-examined in October 2005 (with the help of the Mars Global Surveyor), is that these bands suggest plate tectonic activity on Mars four billion years ago, before the planetary dynamo ceased to function and the planet's magnetic field faded. Geography and features Although better remembered for mapping the Moon, Johann Heinrich von Mädler and Wilhelm Beer were the first areographers. They began by establishing that most of Mars's surface features were permanent and by more precisely determining the planet's rotation period. In 1840, Mädler combined ten years of observations and drew the first map of Mars. Features on Mars are named from a variety of sources. Albedo features are named for classical mythology. Craters larger than roughly 50 km are named for deceased scientists and writers and others who have contributed to the study of Mars. Smaller craters are named for towns and villages of the world with populations of less than 100,000. Large valleys are named for the word "Mars" or "star" in various languages; smaller valleys are named for rivers. Large albedo features retain many of the older names but are often updated to reflect new knowledge of the nature of the features. For example, Nix Olympica (the snows of Olympus) has become Olympus Mons (Mount Olympus). The surface of Mars as seen from Earth is divided into two kinds of areas, with differing albedo. The paler plains covered with dust and sand rich in reddish iron oxides were once thought of as Martian "continents" and given names like Arabia Terra (land of Arabia) or Amazonis Planitia (Amazonian plain). The dark features were thought to be seas, hence their names Mare Erythraeum, Mare Sirenum and Aurorae Sinus. The largest dark feature seen from Earth is Syrtis Major Planum. The permanent northern polar ice cap is named Planum Boreum. The southern cap is called Planum Australe. Mars's equator is defined by its rotation, but the location of its Prime Meridian was specified, as was Earth's (at Greenwich), by choice of an arbitrary point; Mädler and Beer selected a line for their first maps of Mars in 1830. After the spacecraft Mariner 9 provided extensive imagery of Mars in 1972, a small crater (later called Airy-0), located in the Sinus Meridiani ("Middle Bay" or "Meridian Bay"), was chosen by Merton E. Davies, Harold Masursky, and Gérard de Vaucouleurs for the definition of 0.0° longitude to coincide with the original selection. Because Mars has no oceans, and hence no "sea level", a zero-elevation surface had to be selected as a reference level; this is called the areoid of Mars, analogous to the terrestrial geoid. Zero altitude was defined by the height at which there is 610.5 Pa (6.105 mbar) of atmospheric pressure. This pressure corresponds to the triple point of water, and it is about 0.6% of the sea level surface pressure on Earth (0.006 atm). For mapping purposes, the United States Geological Survey divides the surface of Mars into thirty cartographic quadrangles, each named for a classical albedo feature it contains. In April 2023, The New York Times reported an updated global map of Mars based on images from the Hope spacecraft. A related, but much more detailed, global Mars map was released by NASA on 16 April 2023. The vast upland region Tharsis contains several massive volcanoes, which include the shield volcano Olympus Mons. The edifice is over 600 km (370 mi) wide. Because the mountain is so large, with complex structure at its edges, giving a definite height to it is difficult. Its local relief, from the foot of the cliffs which form its northwest margin to its peak, is over 21 km (13 mi), a little over twice the height of Mauna Kea as measured from its base on the ocean floor. The total elevation change from the plains of Amazonis Planitia, over 1,000 km (620 mi) to the northwest, to the summit approaches 26 km (16 mi), roughly three times the height of Mount Everest, which in comparison stands at just over 8.8 kilometres (5.5 mi). Consequently, Olympus Mons is either the tallest or second-tallest mountain in the Solar System; the only known mountain which might be taller is the Rheasilvia peak on the asteroid Vesta, at 20–25 km (12–16 mi). The dichotomy of Martian topography is striking: northern plains flattened by lava flows contrast with the southern highlands, pitted and cratered by ancient impacts. It is possible that, four billion years ago, the Northern Hemisphere of Mars was struck by an object one-tenth to two-thirds the size of Earth's Moon. If this is the case, the Northern Hemisphere of Mars would be the site of an impact crater 10,600 by 8,500 kilometres (6,600 by 5,300 mi) in size, or roughly the area of Europe, Asia, and Australia combined, surpassing Utopia Planitia and the Moon's South Pole–Aitken basin as the largest impact crater in the Solar System. Mars is scarred by 43,000 impact craters with a diameter of 5 kilometres (3.1 mi) or greater. The largest exposed crater is Hellas, which is 2,300 kilometres (1,400 mi) wide and 7,000 metres (23,000 ft) deep, and is a light albedo feature clearly visible from Earth. There are other notable impact features, such as Argyre, which is around 1,800 kilometres (1,100 mi) in diameter, and Isidis, which is around 1,500 kilometres (930 mi) in diameter. Due to the smaller mass and size of Mars, the probability of an object colliding with the planet is about half that of Earth. Mars is located closer to the asteroid belt, so it has an increased chance of being struck by materials from that source. Mars is more likely to be struck by short-period comets, i.e., those that lie within the orbit of Jupiter. Martian craters can[discuss] have a morphology that suggests the ground became wet after the meteor impact. The large canyon, Valles Marineris (Latin for 'Mariner Valleys, also known as Agathodaemon in the old canal maps), has a length of 4,000 kilometres (2,500 mi) and a depth of up to 7 kilometres (4.3 mi). The length of Valles Marineris is equivalent to the length of Europe and extends across one-fifth the circumference of Mars. By comparison, the Grand Canyon on Earth is only 446 kilometres (277 mi) long and nearly 2 kilometres (1.2 mi) deep. Valles Marineris was formed due to the swelling of the Tharsis area, which caused the crust in the area of Valles Marineris to collapse. In 2012, it was proposed that Valles Marineris is not just a graben, but a plate boundary where 150 kilometres (93 mi) of transverse motion has occurred, making Mars a planet with possibly a two-tectonic plate arrangement. Images from the Thermal Emission Imaging System (THEMIS) aboard NASA's Mars Odyssey orbiter have revealed seven possible cave entrances on the flanks of the volcano Arsia Mons. The caves, named after loved ones of their discoverers, are collectively known as the "seven sisters". Cave entrances measure from 100 to 252 metres (328 to 827 ft) wide and they are estimated to be at least 73 to 96 metres (240 to 315 ft) deep. Because light does not reach the floor of most of the caves, they may extend much deeper than these lower estimates and widen below the surface. "Dena" is the only exception; its floor is visible and was measured to be 130 metres (430 ft) deep. The interiors of these caverns may be protected from micrometeoroids, UV radiation, solar flares and high energy particles that bombard the planet's surface. Martian geysers (or CO2 jets) are putative sites of small gas and dust eruptions that occur in the south polar region of Mars during the spring thaw. "Dark dune spots" and "spiders" – or araneiforms – are the two most visible types of features ascribed to these eruptions. Similarly sized dust will settle from the thinner Martian atmosphere sooner than it would on Earth. For example, the dust suspended by the 2001 global dust storms on Mars only remained in the Martian atmosphere for 0.6 years, while the dust from Mount Pinatubo took about two years to settle. However, under current Martian conditions, the mass movements involved are generally much smaller than on Earth. Even the 2001 global dust storms on Mars moved only the equivalent of a very thin dust layer – about 3 μm thick if deposited with uniform thickness between 58° north and south of the equator. Dust deposition at the two rover sites has proceeded at a rate of about the thickness of a grain every 100 sols. Atmosphere Mars lost its magnetosphere 4 billion years ago, possibly because of numerous asteroid strikes, so the solar wind interacts directly with the Martian ionosphere, lowering the atmospheric density by stripping away atoms from the outer layer. Both Mars Global Surveyor and Mars Express have detected ionized atmospheric particles trailing off into space behind Mars, and this atmospheric loss is being studied by the MAVEN orbiter. Compared to Earth, the atmosphere of Mars is quite rarefied. Atmospheric pressure on the surface today ranges from a low of 30 Pa (0.0044 psi) on Olympus Mons to over 1,155 Pa (0.1675 psi) in Hellas Planitia, with a mean pressure at the surface level of 600 Pa (0.087 psi). The highest atmospheric density on Mars is equal to that found 35 kilometres (22 mi) above Earth's surface. The resulting mean surface pressure is only 0.6% of Earth's 101.3 kPa (14.69 psi). The scale height of the atmosphere is about 10.8 kilometres (6.7 mi), which is higher than Earth's 6 kilometres (3.7 mi), because the surface gravity of Mars is only about 38% of Earth's. The atmosphere of Mars consists of about 96% carbon dioxide, 1.93% argon and 1.89% nitrogen along with traces of oxygen and water. The atmosphere is quite dusty, containing particulates about 1.5 μm in diameter which give the Martian sky a tawny color when seen from the surface. It may take on a pink hue due to iron oxide particles suspended in it. Despite repeated detections of methane on Mars, there is no scientific consensus as to its origin. One suggestion is that methane exists on Mars and that its concentration fluctuates seasonally. The existence of methane could be produced by non-biological process such as serpentinization involving water, carbon dioxide, and the mineral olivine, which is known to be common on Mars, or by Martian life. Compared to Earth, its higher concentration of atmospheric CO2 and lower surface pressure may be why sound is attenuated more on Mars, where natural sources are rare apart from the wind. Using acoustic recordings collected by the Perseverance rover, researchers concluded that the speed of sound there is approximately 240 m/s for frequencies below 240 Hz, and 250 m/s for those above. Auroras have been detected on Mars. Because Mars lacks a global magnetic field, the types and distribution of auroras there differ from those on Earth; rather than being mostly restricted to polar regions as is the case on Earth, a Martian aurora can encompass the planet. In September 2017, NASA reported radiation levels on the surface of the planet Mars were temporarily doubled, and were associated with an aurora 25 times brighter than any observed earlier, due to a massive, and unexpected, solar storm in the middle of the month. Mars has seasons, alternating between its northern and southern hemispheres, similar to on Earth. Additionally the orbit of Mars has, compared to Earth's, a large eccentricity and approaches perihelion when it is summer in its southern hemisphere and winter in its northern, and aphelion when it is winter in its southern hemisphere and summer in its northern. As a result, the seasons in its southern hemisphere are more extreme and the seasons in its northern are milder than would otherwise be the case. The summer temperatures in the south can be warmer than the equivalent summer temperatures in the north by up to 30 °C (54 °F). Martian surface temperatures vary from lows of about −110 °C (−166 °F) to highs of up to 35 °C (95 °F) in equatorial summer. The wide range in temperatures is due to the thin atmosphere which cannot store much solar heat, the low atmospheric pressure (about 1% that of the atmosphere of Earth), and the low thermal inertia of Martian soil. The planet is 1.52 times as far from the Sun as Earth, resulting in just 43% of the amount of sunlight. Mars has the largest dust storms in the Solar System, reaching speeds of over 160 km/h (100 mph). These can vary from a storm over a small area, to gigantic storms that cover the entire planet. They tend to occur when Mars is closest to the Sun, and have been shown to increase global temperature. Seasons also produce dry ice covering polar ice caps. Hydrology While Mars contains water in larger amounts, most of it is dust covered water ice at the Martian polar ice caps. The volume of water ice in the south polar ice cap, if melted, would be enough to cover most of the surface of the planet with a depth of 11 metres (36 ft). Water in its liquid form cannot persist on the surface due to Mars's low atmospheric pressure, which is less than 1% that of Earth. Only at the lowest of elevations are the pressure and temperature high enough for liquid water to exist for short periods. Although little water is present in the atmosphere, there is enough to produce clouds of water ice and different cases of snow and frost, often mixed with snow of carbon dioxide dry ice. Landforms visible on Mars strongly suggest that liquid water has existed on the planet's surface. Huge linear swathes of scoured ground, known as outflow channels, cut across the surface in about 25 places. These are thought to be a record of erosion caused by the catastrophic release of water from subsurface aquifers, though some of these structures have been hypothesized to result from the action of glaciers or lava. One of the larger examples, Ma'adim Vallis, is 700 kilometres (430 mi) long, much greater than the Grand Canyon, with a width of 20 kilometres (12 mi) and a depth of 2 kilometres (1.2 mi) in places. It is thought to have been carved by flowing water early in Mars's history. The youngest of these channels is thought to have formed only a few million years ago. Elsewhere, particularly on the oldest areas of the Martian surface, finer-scale, dendritic networks of valleys are spread across significant proportions of the landscape. Features of these valleys and their distribution strongly imply that they were carved by runoff resulting from precipitation in early Mars history. Subsurface water flow and groundwater sapping may play important subsidiary roles in some networks, but precipitation was probably the root cause of the incision in almost all cases. Along craters and canyon walls, there are thousands of features that appear similar to terrestrial gullies. The gullies tend to be in the highlands of the Southern Hemisphere and face the Equator; all are poleward of 30° latitude. A number of authors have suggested that their formation process involves liquid water, probably from melting ice, although others have argued for formation mechanisms involving carbon dioxide frost or the movement of dry dust. No partially degraded gullies have formed by weathering and no superimposed impact craters have been observed, indicating that these are young features, possibly still active. Other geological features, such as deltas and alluvial fans preserved in craters, are further evidence for warmer, wetter conditions at an interval or intervals in earlier Mars history. Such conditions necessarily require the widespread presence of crater lakes across a large proportion of the surface, for which there is independent mineralogical, sedimentological and geomorphological evidence. Further evidence that liquid water once existed on the surface of Mars comes from the detection of specific minerals such as hematite and goethite, both of which sometimes form in the presence of water. The chemical signature of water vapor on Mars was first unequivocally demonstrated in 1963 by spectroscopy using an Earth-based telescope. In 2004, Opportunity detected the mineral jarosite. This forms only in the presence of acidic water, showing that water once existed on Mars. The Spirit rover found concentrated deposits of silica in 2007 that indicated wet conditions in the past, and in December 2011, the mineral gypsum, which also forms in the presence of water, was found on the surface by NASA's Mars rover Opportunity. It is estimated that the amount of water in the upper mantle of Mars, represented by hydroxyl ions contained within Martian minerals, is equal to or greater than that of Earth at 50–300 parts per million of water, which is enough to cover the entire planet to a depth of 200–1,000 metres (660–3,280 ft). On 18 March 2013, NASA reported evidence from instruments on the Curiosity rover of mineral hydration, likely hydrated calcium sulfate, in several rock samples including the broken fragments of "Tintina" rock and "Sutton Inlier" rock as well as in veins and nodules in other rocks like "Knorr" rock and "Wernicke" rock. Analysis using the rover's DAN instrument provided evidence of subsurface water, amounting to as much as 4% water content, down to a depth of 60 centimetres (24 in), during the rover's traverse from the Bradbury Landing site to the Yellowknife Bay area in the Glenelg terrain. In September 2015, NASA announced that they had found strong evidence of hydrated brine flows in recurring slope lineae, based on spectrometer readings of the darkened areas of slopes. These streaks flow downhill in Martian summer, when the temperature is above −23 °C, and freeze at lower temperatures. These observations supported earlier hypotheses, based on timing of formation and their rate of growth, that these dark streaks resulted from water flowing just below the surface. However, later work suggested that the lineae may be dry, granular flows instead, with at most a limited role for water in initiating the process. A definitive conclusion about the presence, extent, and role of liquid water on the Martian surface remains elusive. Researchers suspect much of the low northern plains of the planet were covered with an ocean hundreds of meters deep, though this theory remains controversial. In March 2015, scientists stated that such an ocean might have been the size of Earth's Arctic Ocean. This finding was derived from the ratio of protium to deuterium in the modern Martian atmosphere compared to that ratio on Earth. The amount of Martian deuterium (D/H = 9.3 ± 1.7 10−4) is five to seven times the amount on Earth (D/H = 1.56 10−4), suggesting that ancient Mars had significantly higher levels of water. Results from the Curiosity rover had previously found a high ratio of deuterium in Gale Crater, though not significantly high enough to suggest the former presence of an ocean. Other scientists caution that these results have not been confirmed, and point out that Martian climate models have not yet shown that the planet was warm enough in the past to support bodies of liquid water. Near the northern polar cap is the 81.4 kilometres (50.6 mi) wide Korolev Crater, which the Mars Express orbiter found to be filled with approximately 2,200 cubic kilometres (530 cu mi) of water ice. In November 2016, NASA reported finding a large amount of underground ice in the Utopia Planitia region. The volume of water detected has been estimated to be equivalent to the volume of water in Lake Superior (which is 12,100 cubic kilometers). During observations from 2018 through 2021, the ExoMars Trace Gas Orbiter spotted indications of water, probably subsurface ice, in the Valles Marineris canyon system. Orbital motion Mars's average distance from the Sun is roughly 230 million km (143 million mi), and its orbital period is 687 (Earth) days. The solar day (or sol) on Mars is only slightly longer than an Earth day: 24 hours, 39 minutes, and 35.244 seconds. A Martian year is equal to 1.8809 Earth years, or 1 year, 320 days, and 18.2 hours. The gravitational potential difference and thus the delta-v needed to transfer between Mars and Earth is the second lowest for Earth. The axial tilt of Mars is 25.19° relative to its orbital plane, which is similar to the axial tilt of Earth. As a result, Mars has seasons like Earth, though on Mars they are nearly twice as long because its orbital period is that much longer. In the present day, the orientation of the north pole of Mars is close to the star Deneb. Mars has a relatively pronounced orbital eccentricity of about 0.09; of the seven other planets in the Solar System, only Mercury has a larger orbital eccentricity. It is known that in the past, Mars has had a much more circular orbit. At one point, 1.35 million Earth years ago, Mars had an eccentricity of roughly 0.002, much less than that of Earth today. Mars's cycle of eccentricity is 96,000 Earth years compared to Earth's cycle of 100,000 years. Mars has its closest approach to Earth (opposition) in a synodic period of 779.94 days. It should not be confused with Mars conjunction, where the Earth and Mars are at opposite sides of the Solar System and form a straight line crossing the Sun. The average time between the successive oppositions of Mars, its synodic period, is 780 days; but the number of days between successive oppositions can range from 764 to 812. The distance at close approach varies between about 54 and 103 million km (34 and 64 million mi) due to the planets' elliptical orbits, which causes comparable variation in angular size. At their furthest Mars and Earth can be as far as 401 million km (249 million mi) apart. Mars comes into opposition from Earth every 2.1 years. The planets come into opposition near Mars's perihelion in 2003, 2018 and 2035, with the 2020 and 2033 events being particularly close to perihelic opposition. The mean apparent magnitude of Mars is +0.71 with a standard deviation of 1.05. Because the orbit of Mars is eccentric, the magnitude at opposition from the Sun can range from about −3.0 to −1.4. The minimum brightness is magnitude +1.86 when the planet is near aphelion and in conjunction with the Sun. At its brightest, Mars (along with Jupiter) is second only to Venus in apparent brightness. Mars usually appears distinctly yellow, orange, or red. When farthest away from Earth, it is more than seven times farther away than when it is closest. Mars is usually close enough for particularly good viewing once or twice at 15-year or 17-year intervals. Optical ground-based telescopes are typically limited to resolving features about 300 kilometres (190 mi) across when Earth and Mars are closest because of Earth's atmosphere. As Mars approaches opposition, it begins a period of retrograde motion, which means it will appear to move backwards in a looping curve with respect to the background stars. This retrograde motion lasts for about 72 days, and Mars reaches its peak apparent brightness in the middle of this interval. Moons Mars has two relatively small (compared to Earth's) natural moons, Phobos (about 22 km (14 mi) in diameter) and Deimos (about 12 km (7.5 mi) in diameter), which orbit at 9,376 km (5,826 mi) and 23,460 km (14,580 mi) around the planet. The origin of both moons is unclear, although a popular theory states that they were asteroids captured into Martian orbit. Both satellites were discovered in 1877 by Asaph Hall and were named after the characters Phobos (the deity of panic and fear) and Deimos (the deity of terror and dread), twins from Greek mythology who accompanied their father Ares, god of war, into battle. Mars was the Roman equivalent to Ares. In modern Greek, the planet retains its ancient name Ares (Aris: Άρης). From the surface of Mars, the motions of Phobos and Deimos appear different from that of the Earth's satellite, the Moon. Phobos rises in the west, sets in the east, and rises again in just 11 hours. Deimos, being only just outside synchronous orbit – where the orbital period would match the planet's period of rotation – rises as expected in the east, but slowly. Because the orbit of Phobos is below a synchronous altitude, tidal forces from Mars are gradually lowering its orbit. In about 50 million years, it could either crash into Mars's surface or break up into a ring structure around the planet. The origin of the two satellites is not well understood. Their low albedo and carbonaceous chondrite composition have been regarded as similar to asteroids, supporting a capture theory. The unstable orbit of Phobos would seem to point toward a relatively recent capture. But both have circular orbits near the equator, which is unusual for captured objects, and the required capture dynamics are complex. Accretion early in the history of Mars is plausible, but would not account for a composition resembling asteroids rather than Mars itself, if that is confirmed. Mars may have yet-undiscovered moons, smaller than 50 to 100 metres (160 to 330 ft) in diameter, and a dust ring is predicted to exist between Phobos and Deimos. A third possibility for their origin as satellites of Mars is the involvement of a third body or a type of impact disruption. More-recent lines of evidence for Phobos having a highly porous interior, and suggesting a composition containing mainly phyllosilicates and other minerals known from Mars, point toward an origin of Phobos from material ejected by an impact on Mars that reaccreted in Martian orbit, similar to the prevailing theory for the origin of Earth's satellite. Although the visible and near-infrared (VNIR) spectra of the moons of Mars resemble those of outer-belt asteroids, the thermal infrared spectra of Phobos are reported to be inconsistent with chondrites of any class. It is also possible that Phobos and Deimos were fragments of an older moon, formed by debris from a large impact on Mars, and then destroyed by a more recent impact upon the satellite. More recently, a study conducted by a team of researchers from multiple countries suggests that a lost moon, at least fifteen times the size of Phobos, may have existed in the past. By analyzing rocks which point to tidal processes on the planet, it is possible that these tides may have been regulated by a past moon. Human observations and exploration The history of observations of Mars is marked by oppositions of Mars when the planet is closest to Earth and hence is most easily visible, which occur every couple of years. Even more notable are the perihelic oppositions of Mars, which are distinguished because Mars is close to perihelion, making it even closer to Earth. The ancient Sumerians named Mars Nergal, the god of war and plague. During Sumerian times, Nergal was a minor deity of little significance, but, during later times, his main cult center was the city of Nineveh. In Mesopotamian texts, Mars is referred to as the "star of judgement of the fate of the dead". The existence of Mars as a wandering object in the night sky was also recorded by the ancient Egyptian astronomers and, by 1534 BCE, they were familiar with the retrograde motion of the planet. By the period of the Neo-Babylonian Empire, the Babylonian astronomers were making regular records of the positions of the planets and systematic observations of their behavior. For Mars, they knew that the planet made 37 synodic periods, or 42 circuits of the zodiac, every 79 years. They invented arithmetic methods for making minor corrections to the predicted positions of the planets. In Ancient Greece, the planet was known as Πυρόεις. Commonly, the Greek name for the planet now referred to as Mars, was Ares. It was the Romans who named the planet Mars, for their god of war, often represented by the sword and shield of the planet's namesake. In the fourth century BCE, Aristotle noted that Mars disappeared behind the Moon during an occultation, indicating that the planet was farther away. Ptolemy, a Greek living in Alexandria, attempted to address the problem of the orbital motion of Mars. Ptolemy's model and his collective work on astronomy was presented in the multi-volume collection later called the Almagest (from the Arabic for "greatest"), which became the authoritative treatise on Western astronomy for the next fourteen centuries. Literature from ancient China confirms that Mars was known by Chinese astronomers by no later than the fourth century BCE. In the East Asian cultures, Mars is traditionally referred to as the "fire star" (火星) based on the Wuxing system. In 1609 Johannes Kepler published a 10 year study of Martian orbit, using the diurnal parallax of Mars, measured by Tycho Brahe, to make a preliminary calculation of the relative distance to the planet. From Brahe's observations of Mars, Kepler deduced that the planet orbited the Sun not in a circle, but in an ellipse. Moreover, Kepler showed that Mars sped up as it approached the Sun and slowed down as it moved farther away, in a manner that later physicists would explain as a consequence of the conservation of angular momentum.: 433–437 In 1610 the first use of a telescope for astronomical observation, including Mars, was performed by Italian astronomer Galileo Galilei. With the telescope the diurnal parallax of Mars was again measured in an effort to determine the Sun-Earth distance. This was first performed by Giovanni Domenico Cassini in 1672. The early parallax measurements were hampered by the quality of the instruments. The only occultation of Mars by Venus observed was that of 13 October 1590, seen by Michael Maestlin at Heidelberg. By the 19th century, the resolution of telescopes reached a level sufficient for surface features to be identified. On 5 September 1877, a perihelic opposition to Mars occurred. The Italian astronomer Giovanni Schiaparelli used a 22-centimetre (8.7 in) telescope in Milan to help produce the first detailed map of Mars. These maps notably contained features he called canali, which, with the possible exception of the natural canyon Valles Marineris, were later shown to be an optical illusion. These canali were supposedly long, straight lines on the surface of Mars, to which he gave names of famous rivers on Earth. His term, which means "channels" or "grooves", was popularly mistranslated in English as "canals". Influenced by the observations, the orientalist Percival Lowell founded an observatory which had 30- and 45-centimetre (12- and 18-in) telescopes. The observatory was used for the exploration of Mars during the last good opportunity in 1894, and the following less favorable oppositions. He published several books on Mars and life on the planet, which had a great influence on the public. The canali were independently observed by other astronomers, like Henri Joseph Perrotin and Louis Thollon in Nice, using one of the largest telescopes of that time. The seasonal changes (consisting of the diminishing of the polar caps and the dark areas formed during Martian summers) in combination with the canals led to speculation about life on Mars, and it was a long-held belief that Mars contained vast seas and vegetation. As bigger telescopes were used, fewer long, straight canali were observed. During observations in 1909 by Antoniadi with an 84-centimetre (33 in) telescope, irregular patterns were observed, but no canali were seen. The first spacecraft from Earth to visit Mars was Mars 1 of the Soviet Union, which flew by in 1963, but contact was lost en route. NASA's Mariner 4 followed and became the first spacecraft to successfully transmit from Mars; launched on 28 November 1964, it made its closest approach to the planet on 15 July 1965. Mariner 4 detected the weak Martian radiation belt, measured at about 0.1% that of Earth, and captured the first images of another planet from deep space. Once spacecraft visited the planet during the 1960s and 1970s, many previous concepts of Mars were radically broken. After the results of the Viking life-detection experiments, the hypothesis of a dead planet was generally accepted. The data from Mariner 9 and Viking allowed better maps of Mars to be made. Until 1997 and after Viking 1 shut down in 1982, Mars was only visited by three unsuccessful probes, two flying past without contact (Phobos 1, 1988; Mars Observer, 1993), and one (Phobos 2 1989) malfunctioning in orbit before reaching its destination Phobos. In 1997 Mars Pathfinder became the first successful rover mission beyond the Moon and started together with Mars Global Surveyor (operated until late 2006) an uninterrupted active robotic presence at Mars that has lasted until today. It produced complete, extremely detailed maps of the Martian topography, magnetic field and surface minerals. Starting with these missions a range of new improved crewless spacecraft, including orbiters, landers, and rovers, have been sent to Mars, with successful missions by the NASA (United States), Jaxa (Japan), ESA, United Kingdom, ISRO (India), Roscosmos (Russia), the United Arab Emirates, and CNSA (China) to study the planet's surface, climate, and geology, uncovering the different elements of the history and dynamic of the hydrosphere of Mars and possible traces of ancient life. As of 2023[update], Mars is host to ten functioning spacecraft. Eight are in orbit: 2001 Mars Odyssey, Mars Express, Mars Reconnaissance Orbiter, MAVEN, ExoMars Trace Gas Orbiter, the Hope orbiter, and the Tianwen-1 orbiter. Another two are on the surface: the Mars Science Laboratory Curiosity rover and the Perseverance rover. Collected maps are available online at websites including Google Mars. NASA provides two online tools: Mars Trek, which provides visualizations of the planet using data from 50 years of exploration, and Experience Curiosity, which simulates traveling on Mars in 3-D with Curiosity. Planned missions to Mars include: As of February 2024[update], debris from these types of missions has reached over seven tons. Most of it consists of crashed and inactive spacecraft as well as discarded components. In April 2024, NASA selected several companies to begin studies on providing commercial services to further enable robotic science on Mars. Key areas include establishing telecommunications, payload delivery and surface imaging. Habitability and habitation During the late 19th century, it was widely accepted in the astronomical community that Mars had life-supporting qualities, including the presence of oxygen and water. However, in 1894 W. W. Campbell at Lick Observatory observed the planet and found that "if water vapor or oxygen occur in the atmosphere of Mars it is in quantities too small to be detected by spectroscopes then available". That observation contradicted many of the measurements of the time and was not widely accepted. Campbell and V. M. Slipher repeated the study in 1909 using better instruments, but with the same results. It was not until the findings were confirmed by W. S. Adams in 1925 that the myth of the Earth-like habitability of Mars was finally broken. However, even in the 1960s, articles were published on Martian biology, putting aside explanations other than life for the seasonal changes on Mars. The current understanding of planetary habitability – the ability of a world to develop environmental conditions favorable to the emergence of life – favors planets that have liquid water on their surface. Most often this requires the orbit of a planet to lie within the habitable zone, which for the Sun is estimated to extend from within the orbit of Earth to about that of Mars. During perihelion, Mars dips inside this region, but Mars's thin (low-pressure) atmosphere prevents liquid water from existing over large regions for extended periods. The past flow of liquid water demonstrates the planet's potential for habitability. Recent evidence has suggested that any water on the Martian surface may have been too salty and acidic to support regular terrestrial life. The environmental conditions on Mars are a challenge to sustaining organic life: the planet has little heat transfer across its surface, it has poor insulation against bombardment by the solar wind due to the absence of a magnetosphere and has insufficient atmospheric pressure to retain water in a liquid form (water instead sublimes to a gaseous state). Mars is nearly, or perhaps totally, geologically dead; the end of volcanic activity has apparently stopped the recycling of chemicals and minerals between the surface and interior of the planet. Evidence suggests that the planet was once significantly more habitable than it is today, but whether living organisms ever existed there remains unknown. The Viking probes of the mid-1970s carried experiments designed to detect microorganisms in Martian soil at their respective landing sites and had positive results, including a temporary increase in CO2 production on exposure to water and nutrients. This sign of life was later disputed by scientists, resulting in a continuing debate, with NASA scientist Gilbert Levin asserting that Viking may have found life. A 2014 analysis of Martian meteorite EETA79001 found chlorate, perchlorate, and nitrate ions in sufficiently high concentrations to suggest that they are widespread on Mars. UV and X-ray radiation would turn chlorate and perchlorate ions into other, highly reactive oxychlorines, indicating that any organic molecules would have to be buried under the surface to survive. Small quantities of methane and formaldehyde detected by Mars orbiters are both claimed to be possible evidence for life, as these chemical compounds would quickly break down in the Martian atmosphere. Alternatively, these compounds may instead be replenished by volcanic or other geological means, such as serpentinite. Impact glass, formed by the impact of meteors, which on Earth can preserve signs of life, has also been found on the surface of the impact craters on Mars. Likewise, the glass in impact craters on Mars could have preserved signs of life, if life existed at the site. The Cheyava Falls rock discovered on Mars in June 2024 has been designated by NASA as a "potential biosignature" and was core sampled by the Perseverance rover for possible return to Earth and further examination. Although highly intriguing, no definitive final determination on a biological or abiotic origin of this rock can be made with the data currently available. Several plans for a human mission to Mars have been proposed, but none have come to fruition. The NASA Authorization Act of 2017 directed NASA to study the feasibility of a crewed Mars mission in the early 2030s; the resulting report concluded that this would be unfeasible. In addition, in 2021, China was planning to send a crewed Mars mission in 2033. Privately held companies such as SpaceX have also proposed plans to send humans to Mars, with the eventual goal to settle on the planet. As of 2024, SpaceX has proceeded with the development of the Starship launch vehicle with the goal of Mars colonization. In plans shared with the company in April 2024, Elon Musk envisions the beginning of a Mars colony within the next twenty years. This would be enabled by the planned mass manufacturing of Starship and initially sustained by resupply from Earth, and in situ resource utilization on Mars, until the Mars colony reaches full self sustainability. Any future human mission to Mars will likely take place within the optimal Mars launch window, which occurs every 26 months. The moon Phobos has been proposed as an anchor point for a space elevator. Besides national space agencies and space companies, groups such as the Mars Society and The Planetary Society advocate for human missions to Mars. In culture Mars is named after the Roman god of war (Greek Ares), but was also associated with the demi-god Heracles (Roman Hercules) by ancient Greek astronomers, as detailed by Aristotle. This association between Mars and war dates back at least to Babylonian astronomy, in which the planet was named for the god Nergal, deity of war and destruction. It persisted into modern times, as exemplified by Gustav Holst's orchestral suite The Planets, whose famous first movement labels Mars "The Bringer of War". The planet's symbol, a circle with a spear pointing out to the upper right, is also used as a symbol for the male gender. The symbol dates from at least the 11th century, though a possible predecessor has been found in the Greek Oxyrhynchus Papyri. The idea that Mars was populated by intelligent Martians became widespread in the late 19th century. Schiaparelli's "canali" observations combined with Percival Lowell's books on the subject put forward the standard notion of a planet that was a drying, cooling, dying world with ancient civilizations constructing irrigation works. Many other observations and proclamations by notable personalities added to what has been termed "Mars Fever". In the present day, high-resolution mapping of the surface of Mars has revealed no artifacts of habitation, but pseudoscientific speculation about intelligent life on Mars still continues. Reminiscent of the canali observations, these speculations are based on small scale features perceived in the spacecraft images, such as "pyramids" and the "Face on Mars". In his book Cosmos, planetary astronomer Carl Sagan wrote: "Mars has become a kind of mythic arena onto which we have projected our Earthly hopes and fears." The depiction of Mars in fiction has been stimulated by its dramatic red color and by nineteenth-century scientific speculations that its surface conditions might support not just life but intelligent life. This gave way to many science fiction stories involving these concepts, such as H. G. Wells's The War of the Worlds, in which Martians seek to escape their dying planet by invading Earth; Ray Bradbury's The Martian Chronicles, in which human explorers accidentally destroy a Martian civilization; as well as Edgar Rice Burroughs's series Barsoom, C. S. Lewis's novel Out of the Silent Planet (1938), and a number of Robert A. Heinlein stories before the mid-sixties. Since then, depictions of Martians have also extended to animation. A comic figure of an intelligent Martian, Marvin the Martian, appeared in Haredevil Hare (1948) as a character in the Looney Tunes animated cartoons of Warner Brothers, and has continued as part of popular culture to the present. After the Mariner and Viking spacecraft had returned pictures of Mars as a lifeless and canal-less world, these ideas about Mars were abandoned; for many science-fiction authors, the new discoveries initially seemed like a constraint, but eventually the post-Viking knowledge of Mars became itself a source of inspiration for works like Kim Stanley Robinson's Mars trilogy. See also Notes References Further reading External links Solar System → Local Interstellar Cloud → Local Bubble → Gould Belt → Orion Arm → Milky Way → Milky Way subgroup → Local Group → Local Sheet → Local Volume → Virgo Supercluster → Laniakea Supercluster → Pisces–Cetus Supercluster Complex → Local Hole → Observable universe → UniverseEach arrow (→) may be read as "within" or "part of". |
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Contents Book sources This page allows users to search multiple sources for a book given a 10- or 13-digit International Standard Book Number. Spaces and dashes in the ISBN do not matter. This page links to catalogs of libraries, booksellers, and other book sources where you will be able to search for the book by its International Standard Book Number (ISBN). Online text Google Books and other retail sources below may be helpful if you want to verify citations in Wikipedia articles, because they often let you search an online version of the book for specific words or phrases, or you can browse through the book (although for copyright reasons the entire book is usually not available). At the Open Library (part of the Internet Archive) you can borrow and read entire books online. Online databases Subscription eBook databases Libraries Alabama Alaska California Colorado Connecticut Delaware Florida Georgia Illinois Indiana Iowa Kansas Kentucky Massachusetts Michigan Minnesota Missouri Nebraska New Jersey New Mexico New York North Carolina Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Washington state Wisconsin Bookselling and swapping Find your book on a site that compiles results from other online sites: These sites allow you to search the catalogs of many individual booksellers: Non-English book sources If the book you are looking for is in a language other than English, you might find it helpful to look at the equivalent pages on other Wikipedias, linked below – they are more likely to have sources appropriate for that language. Find other editions The WorldCat xISBN tool for finding other editions is no longer available. However, there is often a "view all editions" link on the results page from an ISBN search. Google books often lists other editions of a book and related books under the "about this book" link. You can convert between 10 and 13 digit ISBNs with these tools: Find on Wikipedia See also Get free access to research! Research tools and services Outreach Get involved |
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Contents Elon Musk Elon Reeve Musk (/ˈiːlɒn/ EE-lon; born June 28, 1971) is a businessman and entrepreneur known for his leadership of Tesla, SpaceX, Twitter, and xAI. Musk has been the wealthiest person in the world since 2025; as of February 2026,[update] Forbes estimates his net worth to be around US$852 billion. Born into a wealthy family in Pretoria, South Africa, Musk emigrated in 1989 to Canada; he has Canadian citizenship since his mother was born there. He received bachelor's degrees in 1997 from the University of Pennsylvania before moving to California to pursue business ventures. In 1995, Musk co-founded the software company Zip2. Following its sale in 1999, he co-founded X.com, an online payment company that later merged to form PayPal, which was acquired by eBay in 2002. Musk also became an American citizen in 2002. In 2002, Musk founded the space technology company SpaceX, becoming its CEO and chief engineer; the company has since led innovations in reusable rockets and commercial spaceflight. Musk joined the automaker Tesla as an early investor in 2004 and became its CEO and product architect in 2008; it has since become a leader in electric vehicles. In 2015, he co-founded OpenAI to advance artificial intelligence (AI) research, but later left; growing discontent with the organization's direction and their leadership in the AI boom in the 2020s led him to establish xAI, which became a subsidiary of SpaceX in 2026. In 2022, he acquired the social network Twitter, implementing significant changes, and rebranding it as X in 2023. His other businesses include the neurotechnology company Neuralink, which he co-founded in 2016, and the tunneling company the Boring Company, which he founded in 2017. In November 2025, a Tesla pay package worth $1 trillion for Musk was approved, which he is to receive over 10 years if he meets specific goals. Musk was the largest donor in the 2024 U.S. presidential election, where he supported Donald Trump. After Trump was inaugurated as president in early 2025, Musk served as Senior Advisor to the President and as the de facto head of the Department of Government Efficiency (DOGE). After a public feud with Trump, Musk left the Trump administration and returned to managing his companies. Musk is a supporter of global far-right figures, causes, and political parties. His political activities, views, and statements have made him a polarizing figure. Musk has been criticized for COVID-19 misinformation, promoting conspiracy theories, and affirming antisemitic, racist, and transphobic comments. His acquisition of Twitter was controversial due to a subsequent increase in hate speech and the spread of misinformation on the service, following his pledge to decrease censorship. His role in the second Trump administration attracted public backlash, particularly in response to DOGE. The emails he sent to Jeffrey Epstein are included in the Epstein files, which were published between 2025–26 and became a topic of worldwide debate. Early life Elon Reeve Musk was born on June 28, 1971, in Pretoria, South Africa's administrative capital. He is of British and Pennsylvania Dutch ancestry. His mother, Maye (née Haldeman), is a model and dietitian born in Saskatchewan, Canada, and raised in South Africa. Musk therefore holds both South African and Canadian citizenship from birth. His father, Errol Musk, is a South African electromechanical engineer, pilot, sailor, consultant, emerald dealer, and property developer, who partly owned a rental lodge at Timbavati Private Nature Reserve. His maternal grandfather, Joshua N. Haldeman, who died in a plane crash when Elon was a toddler, was an American-born Canadian chiropractor, aviator and political activist in the technocracy movement who moved to South Africa in 1950. Elon has a younger brother, Kimbal, a younger sister, Tosca, and four paternal half-siblings. Musk was baptized as a child in the Anglican Church of Southern Africa. Despite both Elon and Errol previously stating that Errol was a part owner of a Zambian emerald mine, in 2023, Errol recounted that the deal he made was to receive "a portion of the emeralds produced at three small mines". Errol was elected to the Pretoria City Council as a representative of the anti-apartheid Progressive Party and has said that his children shared their father's dislike of apartheid. After his parents divorced in 1979, Elon, aged around 9, chose to live with his father because Errol Musk had an Encyclopædia Britannica and a computer. Elon later regretted his decision and became estranged from his father. Elon has recounted trips to a wilderness school that he described as a "paramilitary Lord of the Flies" where "bullying was a virtue" and children were encouraged to fight over rations. In one incident, after an altercation with a fellow pupil, Elon was thrown down concrete steps and beaten severely, leading to him being hospitalized for his injuries. Elon described his father berating him after he was discharged from the hospital. Errol denied berating Elon and claimed, "The [other] boy had just lost his father to suicide, and Elon had called him stupid. Elon had a tendency to call people stupid. How could I possibly blame that child?" Elon was an enthusiastic reader of books, and had attributed his success in part to having read The Lord of the Rings, the Foundation series, and The Hitchhiker's Guide to the Galaxy. At age ten, he developed an interest in computing and video games, teaching himself how to program from the VIC-20 user manual. At age twelve, Elon sold his BASIC-based game Blastar to PC and Office Technology magazine for approximately $500 (equivalent to $1,600 in 2025). Musk attended Waterkloof House Preparatory School, Bryanston High School, and then Pretoria Boys High School, where he graduated. Musk was a decent but unexceptional student, earning a 61/100 in Afrikaans and a B on his senior math certification. Musk applied for a Canadian passport through his Canadian-born mother to avoid South Africa's mandatory military service, which would have forced him to participate in the apartheid regime, as well as to ease his path to immigration to the United States. While waiting for his application to be processed, he attended the University of Pretoria for five months. Musk arrived in Canada in June 1989, connected with a second cousin in Saskatchewan, and worked odd jobs, including at a farm and a lumber mill. In 1990, he entered Queen's University in Kingston, Ontario. Two years later, he transferred to the University of Pennsylvania, where he studied until 1995. Although Musk has said that he earned his degrees in 1995, the University of Pennsylvania did not award them until 1997 – a Bachelor of Arts in physics and a Bachelor of Science in economics from the university's Wharton School. He reportedly hosted large, ticketed house parties to help pay for tuition, and wrote a business plan for an electronic book-scanning service similar to Google Books. In 1994, Musk held two internships in Silicon Valley: one at energy storage startup Pinnacle Research Institute, which investigated electrolytic supercapacitors for energy storage, and another at Palo Alto–based startup Rocket Science Games. In 1995, he was accepted to a graduate program in materials science at Stanford University, but did not enroll. Musk decided to join the Internet boom of the 1990s, applying for a job at Netscape, to which he reportedly never received a response. The Washington Post reported that Musk lacked legal authorization to remain and work in the United States after failing to enroll at Stanford. In response, Musk said he was allowed to work at that time and that his student visa transitioned to an H1-B. According to numerous former business associates and shareholders, Musk said he was on a student visa at the time. Business career In 1995, Musk, his brother Kimbal, and Greg Kouri founded the web software company Zip2 with funding from a group of angel investors. They housed the venture at a small rented office in Palo Alto. Replying to Rolling Stone, Musk denounced the notion that they started their company with funds borrowed from Errol Musk, but in a tweet, he recognized that his father contributed 10% of a later funding round. The company developed and marketed an Internet city guide for the newspaper publishing industry, with maps, directions, and yellow pages. According to Musk, "The website was up during the day and I was coding it at night, seven days a week, all the time." To impress investors, Musk built a large plastic structure around a standard computer to create the impression that Zip2 was powered by a small supercomputer. The Musk brothers obtained contracts with The New York Times and the Chicago Tribune, and persuaded the board of directors to abandon plans for a merger with CitySearch. Musk's attempts to become CEO were thwarted by the board. Compaq acquired Zip2 for $307 million in cash in February 1999 (equivalent to $590,000,000 in 2025), and Musk received $22 million (equivalent to $43,000,000 in 2025) for his 7-percent share. In 1999, Musk co-founded X.com, an online financial services and e-mail payment company. The startup was one of the first federally insured online banks, and, in its initial months of operation, over 200,000 customers joined the service. The company's investors regarded Musk as inexperienced and replaced him with Intuit CEO Bill Harris by the end of the year. The following year, X.com merged with online bank Confinity to avoid competition. Founded by Max Levchin and Peter Thiel, Confinity had its own money-transfer service, PayPal, which was more popular than X.com's service. Within the merged company, Musk returned as CEO. Musk's preference for Microsoft software over Unix created a rift in the company and caused Thiel to resign. Due to resulting technological issues and lack of a cohesive business model, the board ousted Musk and replaced him with Thiel in 2000.[b] Under Thiel, the company focused on the PayPal service and was renamed PayPal in 2001. In 2002, PayPal was acquired by eBay for $1.5 billion (equivalent to $2,700,000,000 in 2025) in stock, of which Musk—the largest shareholder with 11.72% of shares—received $175.8 million (equivalent to $320,000,000 in 2025). In 2017, Musk purchased the domain X.com from PayPal for an undisclosed amount, stating that it had sentimental value. In 2001, Musk became involved with the nonprofit Mars Society and discussed funding plans to place a growth-chamber for plants on Mars. Seeking a way to launch the greenhouse payloads into space, Musk made two unsuccessful trips to Moscow to purchase intercontinental ballistic missiles (ICBMs) from Russian companies NPO Lavochkin and Kosmotras. Musk instead decided to start a company to build affordable rockets. With $100 million of his early fortune, (equivalent to $180,000,000 in 2025) Musk founded SpaceX in May 2002 and became the company's CEO and Chief Engineer. SpaceX attempted its first launch of the Falcon 1 rocket in 2006. Although the rocket failed to reach Earth orbit, it was awarded a Commercial Orbital Transportation Services program contract from NASA, then led by Mike Griffin. After two more failed attempts that nearly caused Musk to go bankrupt, SpaceX succeeded in launching the Falcon 1 into orbit in 2008. Later that year, SpaceX received a $1.6 billion NASA contract (equivalent to $2,400,000,000 in 2025) for Falcon 9-launched Dragon spacecraft flights to the International Space Station (ISS), replacing the Space Shuttle after its 2011 retirement. In 2012, the Dragon vehicle docked with the ISS, a first for a commercial spacecraft. Working towards its goal of reusable rockets, in 2015 SpaceX successfully landed the first stage of a Falcon 9 on a land platform. Later landings were achieved on autonomous spaceport drone ships, an ocean-based recovery platform. In 2018, SpaceX launched the Falcon Heavy; the inaugural mission carried Musk's personal Tesla Roadster as a dummy payload. Since 2019, SpaceX has been developing Starship, a reusable, super heavy-lift launch vehicle intended to replace the Falcon 9 and Falcon Heavy. In 2020, SpaceX launched its first crewed flight, the Demo-2, becoming the first private company to place astronauts into orbit and dock a crewed spacecraft with the ISS. In 2024, NASA awarded SpaceX an $843 million (equivalent to $865,000,000 in 2025) contract to build a spacecraft that NASA will use to deorbit the ISS at the end of its lifespan. In 2015, SpaceX began development of the Starlink constellation of low Earth orbit satellites to provide satellite Internet access. After the launch of prototype satellites in 2018, the first large constellation was deployed in May 2019. As of May 2025[update], over 7,600 Starlink satellites are operational, comprising 65% of all operational Earth satellites. The total cost of the decade-long project to design, build, and deploy the constellation was estimated by SpaceX in 2020 to be $10 billion (equivalent to $12,000,000,000 in 2025).[c] During the Russian invasion of Ukraine, Musk provided free Starlink service to Ukraine, permitting Internet access and communication at a yearly cost to SpaceX of $400 million (equivalent to $440,000,000 in 2025). However, Musk refused to block Russian state media on Starlink. In 2023, Musk denied Ukraine's request to activate Starlink over Crimea to aid an attack against the Russian navy, citing fears of a nuclear response. Tesla, Inc., originally Tesla Motors, was incorporated in July 2003 by Martin Eberhard and Marc Tarpenning. Both men played active roles in the company's early development prior to Musk's involvement. Musk led the Series A round of investment in February 2004; he invested $6.35 million (equivalent to $11,000,000 in 2025), became the majority shareholder, and joined Tesla's board of directors as chairman. Musk took an active role within the company and oversaw Roadster product design, but was not deeply involved in day-to-day business operations. Following a series of escalating conflicts in 2007 and the 2008 financial crisis, Eberhard was ousted from the firm.[page needed] Musk assumed leadership of the company as CEO and product architect in 2008. A 2009 lawsuit settlement with Eberhard designated Musk as a Tesla co-founder, along with Tarpenning and two others. Tesla began delivery of the Roadster, an electric sports car, in 2008. With sales of about 2,500 vehicles, it was the first mass production all-electric car to use lithium-ion battery cells. Under Musk, Tesla has since launched several well-selling electric vehicles, including the four-door sedan Model S (2012), the crossover Model X (2015), the mass-market sedan Model 3 (2017), the crossover Model Y (2020), and the pickup truck Cybertruck (2023). In May 2020, Musk resigned as chairman of the board as part of the settlement of a lawsuit from the SEC over him tweeting that funding had been "secured" for potentially taking Tesla private. The company has also constructed multiple lithium-ion battery and electric vehicle factories, called Gigafactories. Since its initial public offering in 2010, Tesla stock has risen significantly; it became the most valuable carmaker in summer 2020, and it entered the S&P 500 later that year. In October 2021, it reached a market capitalization of $1 trillion (equivalent to $1,200,000,000,000 in 2025), the sixth company in U.S. history to do so. Musk provided the initial concept and financial capital for SolarCity, which his cousins Lyndon and Peter Rive founded in 2006. By 2013, SolarCity was the second largest provider of solar power systems in the United States. In 2014, Musk promoted the idea of SolarCity building an advanced production facility in Buffalo, New York, triple the size of the largest solar plant in the United States. Construction of the factory started in 2014 and was completed in 2017. It operated as a joint venture with Panasonic until early 2020. Tesla acquired SolarCity for $2 billion in 2016 (equivalent to $2,700,000,000 in 2025) and merged it with its battery unit to create Tesla Energy. The deal's announcement resulted in a more than 10% drop in Tesla's stock price; at the time, SolarCity was facing liquidity issues. Multiple shareholder groups filed a lawsuit against Musk and Tesla's directors, stating that the purchase of SolarCity was done solely to benefit Musk and came at the expense of Tesla and its shareholders. Tesla directors settled the lawsuit in January 2020, leaving Musk the sole remaining defendant. Two years later, the court ruled in Musk's favor. In 2016, Musk co-founded Neuralink, a neurotechnology startup, with an investment of $100 million. Neuralink aims to integrate the human brain with artificial intelligence (AI) by creating devices that are embedded in the brain. Such technology could enhance memory or allow the devices to communicate with software. The company also hopes to develop devices to treat neurological conditions like spinal cord injuries. In 2022, Neuralink announced that clinical trials would begin by the end of the year. In September 2023, the Food and Drug Administration approved Neuralink to initiate six-year human trials. Neuralink has conducted animal testing on macaques at the University of California, Davis. In 2021, the company released a video in which a macaque played the video game Pong via a Neuralink implant. The company's animal trials—which have caused the deaths of some monkeys—have led to claims of animal cruelty. The Physicians Committee for Responsible Medicine has alleged that Neuralink violated the Animal Welfare Act. Employees have complained that pressure from Musk to accelerate development has led to botched experiments and unnecessary animal deaths. In 2022, a federal probe was launched into possible animal welfare violations by Neuralink.[needs update] In 2017, Musk founded the Boring Company to construct tunnels; he also revealed plans for specialized, underground, high-occupancy vehicles that could travel up to 150 miles per hour (240 km/h) and thus circumvent above-ground traffic in major cities. Early in 2017, the company began discussions with regulatory bodies and initiated construction of a 30-foot (9.1 m) wide, 50-foot (15 m) long, and 15-foot (4.6 m) deep "test trench" on the premises of SpaceX's offices, as that required no permits. The Los Angeles tunnel, less than two miles (3.2 km) in length, debuted to journalists in 2018. It used Tesla Model Xs and was reported to be a rough ride while traveling at suboptimal speeds. Two tunnel projects announced in 2018, in Chicago and West Los Angeles, have been canceled. A tunnel beneath the Las Vegas Convention Center was completed in early 2021. Local officials have approved further expansions of the tunnel system. April 14, 2022 In early 2017, Musk expressed interest in buying Twitter and had questioned the platform's commitment to freedom of speech. By 2022, Musk had reached 9.2% stake in the company, making him the largest shareholder.[d] Musk later agreed to a deal that would appoint him to Twitter's board of directors and prohibit him from acquiring more than 14.9% of the company. Days later, Musk made a $43 billion offer to buy Twitter. By the end of April Musk had successfully concluded his bid for approximately $44 billion. This included approximately $12.5 billion in loans and $21 billion in equity financing. Having backtracked on his initial decision, Musk bought the company on October 27, 2022. Immediately after the acquisition, Musk fired several top Twitter executives including CEO Parag Agrawal; Musk became the CEO instead. Under Elon Musk, Twitter instituted monthly subscriptions for a "blue check", and laid off a significant portion of the company's staff. Musk lessened content moderation and hate speech also increased on the platform after his takeover. In late 2022, Musk released internal documents relating to Twitter's moderation of Hunter Biden's laptop controversy in the lead-up to the 2020 presidential election. Musk also promised to step down as CEO after a Twitter poll, and five months later, Musk stepped down as CEO and transitioned his role to executive chairman and chief technology officer (CTO). Despite Musk stepping down as CEO, X continues to struggle with challenges such as viral misinformation, hate speech, and antisemitism controversies. Musk has been accused of trying to silence some of his critics such as Twitch streamer Asmongold, who criticized him during one of his streams. Musk has been accused of removing their accounts' blue checkmarks, which hinders visibility and is considered a form of shadow banning, or suspending their accounts without justification. Other activities In August 2013, Musk announced plans for a version of a vactrain, and assigned engineers from SpaceX and Tesla to design a transport system between Greater Los Angeles and the San Francisco Bay Area, at an estimated cost of $6 billion. Later that year, Musk unveiled the concept, dubbed the Hyperloop, intended to make travel cheaper than any other mode of transport for such long distances. In December 2015, Musk co-founded OpenAI, a not-for-profit artificial intelligence (AI) research company aiming to develop artificial general intelligence, intended to be safe and beneficial to humanity. Musk pledged $1 billion of funding to the company, and initially gave $50 million. In 2018, Musk left the OpenAI board. Since 2018, OpenAI has made significant advances in machine learning. In July 2023, Musk launched the artificial intelligence company xAI, which aims to develop a generative AI program that competes with existing offerings like OpenAI's ChatGPT. Musk obtained funding from investors in SpaceX and Tesla, and xAI hired engineers from Google and OpenAI. December 16, 2022 Musk uses a private jet owned by Falcon Landing LLC, a SpaceX-linked company, and acquired a second jet in August 2020. His heavy use of the jets and the consequent fossil fuel usage have received criticism. Musk's flight usage is tracked on social media through ElonJet. In December 2022, Musk banned the ElonJet account on Twitter, and made temporary bans on the accounts of journalists that posted stories regarding the incident, including Donie O'Sullivan, Keith Olbermann, and journalists from The New York Times, The Washington Post, CNN, and The Intercept. In October 2025, Musk's company xAI launched Grokipedia, an AI-generated online encyclopedia that he promoted as an alternative to Wikipedia. Articles on Grokipedia are generated and reviewed by xAI's Grok chatbot. Media coverage and academic analysis described Grokipedia as frequently reusing Wikipedia content but framing contested political and social topics in line with Musk's own views and right-wing narratives. A study by Cornell University researchers and NBC News stated that Grokipedia cites sources that are blacklisted or considered "generally unreliable" on Wikipedia, for example, the conspiracy site Infowars and the neo-Nazi forum Stormfront. Wired, The Guardian and Time criticized Grokipedia for factual errors and for presenting Musk himself in unusually positive terms while downplaying controversies. Politics Musk is an outlier among business leaders who typically avoid partisan political advocacy. Musk was a registered independent voter when he lived in California. Historically, he has donated to both Democrats and Republicans, many of whom serve in states in which he has a vested interest. Since 2022, his political contributions have mostly supported Republicans, with his first vote for a Republican going to Mayra Flores in the 2022 Texas's 34th congressional district special election. In 2024, he started supporting international far-right political parties, activists, and causes, and has shared misinformation and numerous conspiracy theories. Since 2024, his views have been generally described as right-wing. Musk supported Barack Obama in 2008 and 2012, Hillary Clinton in 2016, Joe Biden in 2020, and Donald Trump in 2024. In the 2020 Democratic Party presidential primaries, Musk endorsed candidate Andrew Yang and expressed support for Yang's proposed universal basic income, and endorsed Kanye West's 2020 presidential campaign. In 2021, Musk publicly expressed opposition to the Build Back Better Act, a $3.5 trillion legislative package endorsed by Joe Biden that ultimately failed to pass due to unanimous opposition from congressional Republicans and several Democrats. In 2022, gave over $50 million to Citizens for Sanity, a conservative political action committee. In 2023, he supported Republican Ron DeSantis for the 2024 U.S. presidential election, giving $10 million to his campaign, and hosted DeSantis's campaign announcement on a Twitter Spaces event. From June 2023 to January 2024, Musk hosted a bipartisan set of X Spaces with Republican and Democratic candidates, including Robert F. Kennedy Jr., Vivek Ramaswamy, and Dean Phillips. In October 2025, former vice-president Kamala Harris commented that it was a mistake from the Democratic side to not invite Musk to a White House electric vehicle event organized in August 2021 and featuring executives from General Motors, Ford and Stellantis, despite Tesla being "the major American manufacturer of extraordinary innovation in this space." Fortune remarked that this was a nod to United Auto Workers and organized labor. Harris said presidents should put aside political loyalties when it came to recognizing innovation, and guessed that the non-invitation impacted Musk's perspective. Fortune noted that, at the time, Musk said, "Yeah, seems odd that Tesla wasn't invited." A month later, he criticized Biden as "not the friendliest administration." Jacob Silverman, author of the book Gilded Rage: Elon Musk and the Radicalization of Silicon Valley, said that the tech industry represented by Musk, Thiel, Andreessen and other capitalists, actually flourished under Biden, but the tech leaders chose Trump for their common ground on cultural issues. By early 2024, Musk had become a vocal and financial supporter of Donald Trump. In July 2024, minutes after the attempted assassination of Donald Trump, Musk endorsed him for president saying; "I fully endorse President Trump and hope for his rapid recovery." During the presidential campaign, Musk joined Trump on stage at a campaign rally, and during the campaign promoted conspiracy theories and falsehoods about Democrats, election fraud and immigration, in support of Trump. Musk was the largest individual donor of the 2024 election. In 2025, Musk contributed $19 million to the Wisconsin Supreme Court race, hoping to influence the state's future redistricting efforts and its regulations governing car manufacturers and dealers. In 2023, Musk said he shunned the World Economic Forum because it was boring. The organization commented that they had not invited him since 2015. He has participated in Dialog, dubbed "Tech Bilderberg" and organized by Peter Thiel and Auren Hoffman, though. Musk's international political actions and comments have come under increasing scrutiny and criticism, especially from the governments and leaders of France, Germany, Norway, Spain and the United Kingdom, particularly due to his position in the U.S. government as well as ownership of X. An NBC News analysis found he had boosted far-right political movements to cut immigration and curtail regulation of business in at least 18 countries on six continents since 2023. During his speech after the second inauguration of Donald Trump, Musk twice made a gesture interpreted by many as a Nazi or a fascist Roman salute.[e] He thumped his right hand over his heart, fingers spread wide, and then extended his right arm out, emphatically, at an upward angle, palm down and fingers together. He then repeated the gesture to the crowd behind him. As he finished the gestures, he said to the crowd, "My heart goes out to you. It is thanks to you that the future of civilization is assured." It was widely condemned as an intentional Nazi salute in Germany, where making such gestures is illegal. The Anti-Defamation League said it was not a Nazi salute, but other Jewish organizations disagreed and condemned the salute. American public opinion was divided on partisan lines as to whether it was a fascist salute. Musk dismissed the accusations of Nazi sympathies, deriding them as "dirty tricks" and a "tired" attack. Neo-Nazi and white supremacist groups celebrated it as a Nazi salute. Multiple European political parties demanded that Musk be banned from entering their countries. The concept of DOGE emerged in a discussion between Musk and Donald Trump, and in August 2024, Trump committed to giving Musk an advisory role, with Musk accepting the offer. In November and December 2024, Musk suggested that the organization could help to cut the U.S. federal budget, consolidate the number of federal agencies, and eliminate the Consumer Financial Protection Bureau, and that its final stage would be "deleting itself". In January 2025, the organization was created by executive order, and Musk was designated a "special government employee". Musk led the organization and was a senior advisor to the president, although his official role is not clear. In sworn statement during a lawsuit, the director of the White House Office of Administration stated that Musk "is not an employee of the U.S. DOGE Service or U.S. DOGE Service Temporary Organization", "is not the U.S. DOGE Service administrator", and has "no actual or formal authority to make government decisions himself". Trump said two days later that he had put Musk in charge of DOGE. A federal judge has ruled that Musk acted as the de facto leader of DOGE. Musk's role in the second Trump administration, particularly in response to DOGE, has attracted public backlash. He was criticized for his treatment of federal government employees, including his influence over the mass layoffs of the federal workforce. He has prioritized secrecy within the organization and has accused others of violating privacy laws. A Senate report alleged that Musk could avoid up to $2 billion in legal liability as a result of DOGE's actions. In May 2025, Bill Gates accused Musk of "killing the world's poorest children" through his cuts to USAID, which modeling by Boston University estimated had resulted in 300,000 deaths by this time, most of them of children. By November 2025, the estimated death toll had increased to 400,000 children and 200,000 adults. Musk announced on May 28, 2025, that he would depart from the Trump administration as planned when the special government employee's 130 day deadline expired, with a White House official confirming that Musk's offboarding from the Trump administration was already underway. His departure was officially confirmed during a joint Oval Office press conference with Trump on May 30, 2025. @realDonaldTrump is in the Epstein files. That is the real reason they have not been made public. June 5, 2025 After leaving office, Musk criticized the Trump administration's Big Beautiful Bill, calling it a "disgusting abomination" due to its provisions increasing the deficit. A feud began between Musk and Trump, with its most notable event being Musk alleging Trump had ties to sex offender Jeffrey Epstein on X (formerly Twitter) on June 5, 2025. Trump responded on Truth Social stating that Musk went "CRAZY" after the "EV Mandate" was purportedly taken away and threatened to cut Musk's government contracts. Musk then called for a third Trump impeachment. The next day, Trump stated that he did not wish to reconcile with Musk, and added that Musk would face "very serious consequences" if he funds Democratic candidates. On June 11, Musk publicly apologized for the tweets against Trump, saying they "went too far". Views November 6, 2022 Rejecting the conservative label, Musk has described himself as a political moderate, even as his views have become more right-wing over time. His views have been characterized as libertarian and far-right, and after his involvement in European politics, they have received criticism from world leaders such as Emmanuel Macron and Olaf Scholz. Within the context of American politics, Musk supported Democratic candidates up until 2022, at which point he voted for a Republican for the first time. He has stated support for universal basic income, gun rights, freedom of speech, a tax on carbon emissions, and H-1B visas. Musk has expressed concern about issues such as artificial intelligence (AI) and climate change, and has been a critic of wealth tax, short-selling, and government subsidies. An immigrant himself, Musk has been accused of being anti-immigration, and regularly blames immigration policies for illegal immigration. He is also a pronatalist who believes population decline is the biggest threat to civilization, and identifies as a cultural Christian. Musk has long been an advocate for space colonization, especially the colonization of Mars. He has repeatedly pushed for humanity colonizing Mars, in order to become an interplanetary species and lower the risks of human extinction. Musk has promoted conspiracy theories and made controversial statements that have led to accusations of racism, sexism, antisemitism, transphobia, disseminating disinformation, and support of white pride. While describing himself as a "pro-Semite", his comments regarding George Soros and Jewish communities have been condemned by the Anti-Defamation League and the Biden White House. Musk was criticized during the COVID-19 pandemic for making unfounded epidemiological claims, defying COVID-19 lockdowns restrictions, and supporting the Canada convoy protest against vaccine mandates. He has amplified false claims of white genocide in South Africa. Musk has been critical of Israel's actions in the Gaza Strip during the Gaza war, praised China's economic and climate goals, suggested that Taiwan and China should resolve cross-strait relations, and was described as having a close relationship with the Chinese government. In Europe, Musk expressed support for Ukraine in 2022 during the Russian invasion, recommended referendums and peace deals on the annexed Russia-occupied territories, and supported the far-right Alternative for Germany political party in 2024. Regarding British politics, Musk blamed the 2024 UK riots on mass migration and open borders, criticized Prime Minister Keir Starmer for what he described as a "two-tier" policing system, and was subsequently attacked as being responsible for spreading misinformation and amplifying the far-right. He has also voiced his support for far-right activist Tommy Robinson and pledged electoral support for Reform UK. In February 2026, Musk described Spanish Prime Minister Pedro Sánchez as a "tyrant" following Sánchez's proposal to prohibit minors under the age of 16 from accessing social media platforms. Legal affairs In 2018, Musk was sued by the U.S. Securities and Exchange Commission (SEC) for a tweet stating that funding had been secured for potentially taking Tesla private.[f] The securities fraud lawsuit characterized the tweet as false, misleading, and damaging to investors, and sought to bar Musk from serving as CEO of publicly traded companies. Two days later, Musk settled with the SEC, without admitting or denying the SEC's allegations. As a result, Musk and Tesla were fined $20 million each, and Musk was forced to step down for three years as Tesla chairman but was able to remain as CEO. Shareholders filed a lawsuit over the tweet, and in February 2023, a jury found Musk and Tesla not liable. Musk has stated in interviews that he does not regret posting the tweet that triggered the SEC investigation. In 2019, Musk stated in a tweet that Tesla would build half a million cars that year. The SEC reacted by asking a court to hold him in contempt for violating the terms of the 2018 settlement agreement. A joint agreement between Musk and the SEC eventually clarified the previous agreement details, including a list of topics about which Musk needed preclearance. In 2020, a judge blocked a lawsuit that claimed a tweet by Musk regarding Tesla stock price ("too high imo") violated the agreement. Freedom of Information Act (FOIA)-released records showed that the SEC concluded Musk had subsequently violated the agreement twice by tweeting regarding "Tesla's solar roof production volumes and its stock price". In October 2023, the SEC sued Musk over his refusal to testify a third time in an investigation into whether he violated federal law by purchasing Twitter stock in 2022. In February 2024, Judge Laurel Beeler ruled that Musk must testify again. In January 2025, the SEC filed a lawsuit against Musk for securities violations related to his purchase of Twitter. In January 2024, Delaware judge Kathaleen McCormick ruled in a 2018 lawsuit that Musk's $55 billion pay package from Tesla be rescinded. McCormick called the compensation granted by the company's board "an unfathomable sum" that was unfair to shareholders. The Delaware Supreme Court overturned McCormick's decision in December 2025, restoring Musk's compensation package and awarding $1 in nominal damages. Personal life Musk became a U.S. citizen in 2002. From the early 2000s until late 2020, Musk resided in California, where both Tesla and SpaceX were founded. He then relocated to Cameron County, Texas, saying that California had become "complacent" about its economic success. While hosting Saturday Night Live in 2021, Musk stated that he has Asperger syndrome (an outdated term for autism spectrum disorder). When asked about his experience growing up with Asperger's syndrome in a TED2022 conference in Vancouver, Musk stated that "the social cues were not intuitive ... I would just tend to take things very literally ... but then that turned out to be wrong — [people were not] simply saying exactly what they mean, there's all sorts of other things that are meant, and [it] took me a while to figure that out." Musk suffers from back pain and has undergone several spine-related surgeries, including a disc replacement. In 2000, he contracted a severe case of malaria while on vacation in South Africa. Musk has stated he uses doctor-prescribed ketamine for occasional depression and that he doses "a small amount once every other week or something like that"; since January 2024, some media outlets have reported that he takes ketamine, marijuana, LSD, ecstasy, mushrooms, cocaine and other drugs. Musk at first refused to comment on his alleged drug use, before responding that he had not tested positive for drugs, and that if drugs somehow improved his productivity, "I would definitely take them!". The New York Times' investigations revealed Musk's overuse of ketamine and numerous other drugs, as well as strained family relationships and concerns from close associates who have become troubled by his public behavior as he became more involved in political activities and government work. According to The Washington Post, President Trump described Musk as "a big-time drug addict". Through his own label Emo G Records, Musk released a rap track, "RIP Harambe", on SoundCloud in March 2019. The following year, he released an EDM track, "Don't Doubt Ur Vibe", featuring his own lyrics and vocals. Musk plays video games, which he stated has a "'restoring effect' that helps his 'mental calibration'". Some games he plays include Quake, Diablo IV, Elden Ring, and Polytopia. Musk once claimed to be one of the world's top video game players but has since admitted to "account boosting", or cheating by hiring outside services to achieve top player rankings. Musk has justified the boosting by claiming that all top accounts do it so he has to as well to remain competitive. In 2024 and 2025, Musk criticized the video game Assassin's Creed Shadows and its creator Ubisoft for "woke" content. Musk posted to X that "DEI kills art" and specified the inclusion of the historical figure Yasuke in the Assassin's Creed game as offensive; he also called the game "terrible". Ubisoft responded by saying that Musk's comments were "just feeding hatred" and that they were focused on producing a game not pushing politics. Musk has fathered at least 14 children, one of whom died as an infant. The Wall Street Journal reported in 2025 that sources close to Musk suggest that the "true number of Musk's children is much higher than publicly known". He had six children with his first wife, Canadian author Justine Wilson, whom he met while attending Queen's University in Ontario, Canada; they married in 2000. In 2002, their first child Nevada Musk died of sudden infant death syndrome at the age of 10 weeks. After his death, the couple used in vitro fertilization (IVF) to continue their family; they had twins in 2004, followed by triplets in 2006. The couple divorced in 2008 and have shared custody of their children. The elder twin he had with Wilson came out as a trans woman and, in 2022, officially changed her name to Vivian Jenna Wilson, adopting her mother's surname because she no longer wished to be associated with Musk. Musk began dating English actress Talulah Riley in 2008. They married two years later at Dornoch Cathedral in Scotland. In 2012, the couple divorced, then remarried the following year. After briefly filing for divorce in 2014, Musk finalized a second divorce from Riley in 2016. Musk then dated the American actress Amber Heard for several months in 2017; he had reportedly been "pursuing" her since 2012. In 2018, Musk and Canadian musician Grimes confirmed they were dating. Grimes and Musk have three children, born in 2020, 2021, and 2022.[g] Musk and Grimes originally gave their eldest child the name "X Æ A-12", which would have violated California regulations as it contained characters that are not in the modern English alphabet; the names registered on the birth certificate are "X" as a first name, "Æ A-Xii" as a middle name, and "Musk" as a last name. They received criticism for choosing a name perceived to be impractical and difficult to pronounce; Musk has said the intended pronunciation is "X Ash A Twelve". Their second child was born via surrogacy. Despite the pregnancy, Musk confirmed reports that the couple were "semi-separated" in September 2021; in an interview with Time in December 2021, he said he was single. In October 2023, Grimes sued Musk over parental rights and custody of X Æ A-Xii. Elon Musk has taken X Æ A-Xii to multiple official events in Washington, D.C. during Trump's second term in office. Also in July 2022, The Wall Street Journal reported that Musk allegedly had an affair with Nicole Shanahan, the wife of Google co-founder Sergey Brin, in 2021, leading to their divorce the following year. Musk denied the report. Musk also had a relationship with Australian actress Natasha Bassett, who has been described as "an occasional girlfriend". In October 2024, The New York Times reported Musk bought a Texas compound for his children and their mothers, though Musk denied having done so. Musk also has four children with Shivon Zilis, director of operations and special projects at Neuralink: twins born via IVF in 2021, a child born in 2024 via surrogacy and a child born in 2025.[h] On February 14, 2025, Ashley St. Clair, an influencer and author, posted on X claiming to have given birth to Musk's son Romulus five months earlier, which media outlets reported as Musk's supposed thirteenth child.[i] On February 22, 2025, it was reported that St Clair had filed for sole custody of her five-month-old son and for Musk to be recognised as the child's father. On March 31, 2025, Musk wrote that, while he was unsure if he was the father of St. Clair's child, he had paid St. Clair $2.5 million and would continue paying her $500,000 per year.[j] Later reporting from the Wall Street Journal indicated that $1 million of these payments to St. Clair were structured as a loan. In 2014, Musk and Ghislaine Maxwell appeared together in a photograph taken at an Academy Awards after-party, which Musk later described as a "photobomb". The January 2026 Epstein files contain emails between Musk and Epstein from 2012 to 2013, after Epstein's first conviction. Emails released on January 30, 2026, indicated that Epstein invited Musk to visit his private island on multiple occasions. The correspondence showed that while Epstein repeatedly encouraged Musk to attend, Musk did not visit the island. In one instance, Musk discussed the possibility of attending a party with his then-wife Talulah Riley and asked which day would be the "wildest party"; according to the emails, the visit did not take place after Epstein later cancelled the plans.[k] On Christmas day in 2012, Musk emailed Epstein asking "Do you have any parties planned? I’ve been working to the edge of sanity this year and so, once my kids head home after Christmas, I really want to hit the party scene in St Barts or elsewhere and let loose. The invitation is much appreciated, but a peaceful island experience is the opposite of what I’m looking for". Epstein replied that the "ratio on my island" might make Musk's wife uncomfortable to which Musk responded, "Ratio is not a problem for Talulah". On September 11, 2013, Epstein sent an email asking Musk if he had any plans for coming to New York for the opening of the United Nations General Assembly where many "interesting people" would be coming to his house to which Musk responded that "Flying to NY to see UN diplomats do nothing would be an unwise use of time". Epstein responded by stating "Do you think i am retarded. Just kidding, there is no one over 25 and all very cute." Musk has denied any close relationship with Epstein and described him as a "creep" who attempted to ingratiate himself with influential people. When Musk was asked in 2019 if he introduced Epstein to Mark Zuckerberg, Musk responded: "I don’t recall introducing Epstein to anyone, as I don’t know the guy well enough to do so." The released emails nonetheless showed cordial exchanges on a range of topics, including Musk's inquiry about parties on the island. The correspondence also indicated that Musk suggested hosting Epstein at SpaceX, while Epstein separately discussed plans to tour SpaceX and bring "the girls", though there is no evidence that such a visit occurred. Musk has described the release of the files a "distraction", later accusing the second Trump administration of suppressing them to protect powerful individuals, including Trump himself.[l] Wealth Elon Musk is the wealthiest person in the world, with an estimated net worth of US$690 billion as of January 2026, according to the Bloomberg Billionaires Index, and $852 billion according to Forbes, primarily from his ownership stakes in SpaceX and Tesla. Having been first listed on the Forbes Billionaires List in 2012, around 75% of Musk's wealth was derived from Tesla stock in November 2020, although he describes himself as "cash poor". According to Forbes, he became the first person in the world to achieve a net worth of $300 billion in 2021; $400 billion in December 2024; $500 billion in October 2025; $600 billion in mid-December 2025; $700 billion later that month; and $800 billion in February 2026. In November 2025, a Tesla pay package worth potentially $1 trillion for Musk was approved, which he is to receive over 10 years if he meets specific goals. Public image Although his ventures have been highly influential within their separate industries starting in the 2000s, Musk only became a public figure in the early 2010s. He has been described as an eccentric who makes spontaneous and impactful decisions, while also often making controversial statements, contrary to other billionaires who prefer reclusiveness to protect their businesses. Musk's actions and his expressed views have made him a polarizing figure. Biographer Ashlee Vance described people's opinions of Musk as polarized due to his "part philosopher, part troll" persona on Twitter. He has drawn denouncement for using his platform to mock the self-selection of personal pronouns, while also receiving praise for bringing international attention to matters like British survivors of grooming gangs. Musk has been described as an American oligarch due to his extensive influence over public discourse, social media, industry, politics, and government policy. After Trump's re-election, Musk's influence and actions during the transition period and the second presidency of Donald Trump led some to call him "President Musk", the "actual president-elect", "shadow president" or "co-president". Awards for his contributions to the development of the Falcon rockets include the American Institute of Aeronautics and Astronautics George Low Transportation Award in 2008, the Fédération Aéronautique Internationale Gold Space Medal in 2010, and the Royal Aeronautical Society Gold Medal in 2012. In 2015, he received an honorary doctorate in engineering and technology from Yale University and an Institute of Electrical and Electronics Engineers Honorary Membership. Musk was elected a Fellow of the Royal Society (FRS) in 2018.[m] In 2022, Musk was elected to the National Academy of Engineering. Time has listed Musk as one of the most influential people in the world in 2010, 2013, 2018, and 2021. Musk was selected as Time's "Person of the Year" for 2021. Then Time editor-in-chief Edward Felsenthal wrote that, "Person of the Year is a marker of influence, and few individuals have had more influence than Musk on life on Earth, and potentially life off Earth too." Notes References Works cited Further reading External links |
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