The satellite is nominally in sun-pointing mode with the solar panels facing the sun


September 2013 Complete fabrication of DebriSat


China's first Mars Lander is going to be called 'Tianwen',” Phys.org, 30 April 2020, URL: https://phys.org/news/2020-04-china-mars-lander-tianwen.html


Orbit of the 28 secondary payloads: Sun-synchronous orbit


The SAOCOM-1A satellite was launched on 8 October 2018 (02.21 UTC) on a SpaceX Falcon-9 vehicle from VAFB, CA


Two NiCd batteries of 18 Ah capacity are being used for ecliptic phase bridging


The lifetime of Gaia, ESA's billion star surveyor, was extended by eighteen months


The DSMS (Deep Space Mission System) ground stations


1 source on-axis pointing, 6 off-source pointings, each 2º apart, in a hexagonal pattern


The primary objective for the EUV profiler is to determine the altitude profile of the dayside ionospheric density through limb imaging in the extreme ultraviolet range


As of Friday, Zhurong has been operating on the surface of Mars for 68 Martian days


In the western Pacific, rainfall can increase dramatically over Indonesia and Australia during La Niña


With a basic structure mass of 19,700 kg


The nanosatellite is built using a standard 3U CubeSat structure


The enclosure is made from black anodized aluminum


The rotation of Earth (Coriolis effects)


Spectral range (nm) Band 4 (Infrared) 780 - 886


The accretion process that powers these X-ray binaries


There was a general problem with Integral’s propulsion system


The SSR has the storage capacity of 16 Gbit


The heat pipe experiment will be operated continuously for three orbital periods per day when the satellite is in sun-pointing attitude


The Zhurong rover will exit the landing platform down a ramp to begin driving around the unexplored landing site


The inclusion of simultaneous high-resolution synthetic aperture radar processing and conventional low-resolution mode into altimetry


Power storage is provided by a 20 Amp-hour rechargeable lithium-ion battery


The lower energy gamma rays, detected by INTEGRAL


NASA Spacecraft Make First 3-D Images of Sun,” April 24, 2007


Each SAOCOM-1 spacecraft (SAOCOM-1A and SAOCOM-1B) has an estimated wet mass of ~1600 kg


Slated for demonstration aboard a 2022 mission


Matera ground station of ASI, Italy will be available for L-band SAR imagery downlinks


Tianwen 1 is the world's 46th Mars exploration mission


The Mineralogy Spectrometer will be used to analyze the composition and distribution of minerals on Mars


At a data rate of 105 Mbit/s (after compression)


Beth Greenaway, Head of Earth Observation for the UK Space Agency


The INTEGRAL spacecraft was launched on 17 October 2002 by a Proton rocket, Russia's largest operational launch vehicle, from the Baikonur Cosmodrome in Kazakhstan


The two spacecraft have now escaped from Earth orbit


AI will help us search the data set uniformly


STEREO-A orbits the sun in a slightly smaller and faster orbit than Earth


FOV (swath), Pixels per scan line ±55º (2800 km)


Five cyclones with diameters ranging from 5,600 to 7,000 km in diameter


The integrated Dicke switch toggles between the antenna and reference load at 2 kHz rate


The EPS includes mock-up batteries, one power management and distribution module, and three deployable solar panels (30 cm x 50 cm each)


It discovered 2,600 confirmed planets around other stars


This results in a pixel offset of around 34 pixels out of 256 pixels


The hard X-ray energy band is particularly important for the study of AGN


Carbon dioxide monitoring satellite given the shakes, ESA Applications, 10 November 2021


Juno's magnetic field data provided us with a ‘ground truth' as to where the aurora was


For previous CTECS sensors utilising the NovAtel receiver, the data rate averaged 1778 bits/sec (800 kB/hour)


Auroras occur when electrically charged particles are caught in a planet's magnetic field


Kovács uses time delay embedding to reconstruct a high-dimensional trajectory


To develop SAR interferometric techniques for collaborating with the development of different applications


The discovery of the massive Jovian tempest occurred on Nov. 3, 2019


The Mars probe had flown in space for 163 days


STEREO Mission Operations,” Johns Hopkins APL Technical Digest, Vol. 28, No. 2, 2009


URL of paper: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20130011792.pdf


BIRA-IASB Project Manager Didier Pieroux


JPL manages the Juno mission for the principal investigator, Scott Bolton, of SwRI (Southwest Research Institute) in San Antonio, Texas


The DebriSat payloads consist of two spectrometers and one optical imager


Qarman deployment has been postponed to the week of 17 February


Over the last few years the global ocean has risen, on average, by 4.8 mm a year


China’s Yutu-2 rover used radar on the far side of the Moon to reveal 3 distinct layers extending 40 meters beneath the surface


MIRIAM - A Spaceborne Sun Occultation Experiment for Atmospheric Trace Gas Spectroscopy


Raw data were processed into Geophysical Data Records (GDRs) by APL and NOAA


Juno's orbit is represented by the white line crossing the cone


Magnetometer sensors are mounted on the magnetometer boom at the end of one of Juno's three solar arrays


SEPs (Solar Energetic Particles) 2 minutes


Another three long hours passed before the satellite was fully under control and out of immediate danger


A 60 percent chance that the ocean would transition back to neutral conditions during the April through June period


The new spacecraft began using its solar arrays for power


The QARMAN CubeSat was launched as a secondary payload on the SpX CRS-19 (Commercial Resupply-19) Dragon mission to the ISS on 5 December 2019 (17:29:24 UTC)


MightySat I was launched by ejection from the Space Shuttle using HES (Hitchhiker Ejection System) on Dec. 14, 1998


Discovered by Namba and Maeda in their 1939 paper on Radio Wave Propagation


Senior Review 2013 of the Mission Operations and Data Analysis Program for the Heliophysics Extended Missions, NASA, June 13, 2013


The ICON team calibrated the Extreme Ultraviolet instrument on a known source: the Moon


ICON began taking science data on December 1


It shows an enhancement in gamma rays at two characteristic energies, 1173 and 1333 keV


Deep-space ground control stations in Kashgar, northwest China’s Xinjiang Uygur Autonomous Region, and Jiamusi, northeast China's Heilongjiang province


We thank the Belgian radio amateurs from Belgium and the world, who relay the data they receive from QARMAN


A Local Time of Descending Node at 1030 hours


The spacecraft has a total length of about 6.5 m


This science mission will have a design lifetime of 3 years


Backend Noise (relative to radiometric noise) ≤ 1/3


The revisit time for the Ocean Color Scanner is every day


Simple recommendations were identified that would make controller performance fully robust against such surprises


The PPU (Power Processing Unit) that incorporates the TSU and the SCU (Sequence Control Unit)


NewSat-6 (also written as ÑuSat-6), is a low Earth orbit commercial remote sensing microsatellite (43.5 kg) designed and manufactured by Satellogic S.A.


Typical power consumption of a MEU is in the order of 0.25 W


Juno's Jovian Infrared Auroral Mapper instrument captured images of a new cyclone appearing to attempt to join the five established cyclones


Normally busy with observing high-energy black holes, supernovas and neutron stars


The spacecraft, which will arrive at Mars sometime in February 2021


ISRO's (India Space Research Organization) Polar Satellite Launch Vehicle (PSLV-C45)


Vibration and thermal vacuum tests are planned for DebriSat after its complete fabrication


A large fraction of them is thought to result when a black hole is created from a dying star in a distant galaxy


The verification is achieved by operating the thrusters in the space environment


Preliminary Characterization Results from the DebriSat Project," March 21, 2016


JGR Space Physics, First published: 02 April 2009


The propulsion subsystem includes one COVP (Composite Overwrapped Pressure Vessel), three thruster pairs, and one plumbing system


Less than a day later, Juno made its 34th flyby of Jupiter


REPTile also provides clean measurements of energetic protons


The electronics and feed horn are thermally stabilized via a circuit controlled by the spacecraft and a radiator that dissipates heat excesses


NEXT-C will be considered on a variety of 10 to 15 year-long, uncrewed missions


Completion of satellite in-orbit commissioning in January


Swayam, a 1U CubeSat of the College of Engineering (1 kg)


Proceedings of the 66th International Astronautical Congress (IAC 2015), Jerusalem, Israel, Oct.12-16, 2015


The Falcon 9 can launch 10 Iridium satellites at one time


Our current estimates are that Kepler’s tank will run dry within several months


A. E. Hedin, H. G. Mayr, ”Magnetic Control of the Near Equatorial Neutral Thermosphere,” JGR Space Physics, Vol. 78, Issue 10, 1 April 1973


The spacecraft consists of a service module (bus), containing all spacecraft subsystems, and a payload module, containing the scientific instruments


Changes in plasma at 370 miles above Earth's surface


MFCBS has a mass of 1.5 kg and a size of 14.5 cm x 14.5 cm x 7 cm


Meltwater from Greenland glaciers like the one pictured can contribute significantly to sea level rise


The cluster of the first six nanosatellites, (CanX-2, CUTE-1.7+APD-2, AAUSat-2, Delfi-C3, COMPASS-1 and SEEDS-2)


The PIP mates to the Spacecraft, and provides a mounting area for ICON's two Star Trackers, for continuous determination of the observatory attitude, a 3-axis magnetometer, which also is used for attitude determination, and the S-band antenna providing a bi-directional communication path to the ICON ground network


The DLR-Satellite BIROS for Fire-Detection and Technological Experiments


The well-known TRAPPIST-1 system with its seven Earth-sized planets


Almost 200 on 22 January compared to a typical rate of a few per day


Bands 2, 3, 4, and 5a fulfil the requirements for the generation of various standard image processing products


The ground track cycle repeats approximately every 9 days and 22 hours


A launch of PARASOL as a secondary payload on Ariane-5G+ from Kourou took place on Dec. 18, 2004


Three solar arrays consisting of 11 solar panels


The Sentinel-3 SRAL (SAR Radar Altimeter) derived RA (Radar Altimeter) is the principle payload instrument; its scope is measuring geophysical parameters (SSH, wind speed and SWH)


MPS (Max Planck Institute for Solar System Research) Press Release, 10 Jan


Multiple flybys of the moons Ganymede (2), Europa (3), and Io (11) are planned


The main payload on the STS-88 assembly flight mission to the ISS was the US module Unity with a mass of 11,800 kg


At 7:41 p.m. PDT (10:41 p.m. EDT), Juno switches to its low-gain antenna


The AVANTI experiment has been assigned a fixed Δv budget


ArduSat-1, a 1U CubeSat of NanoSatisfi Inc., San Francisco, CA, USA


Sea-surface height measurements that began in 1992 by the French–US Topex-Poseidon satellite and then the Jason series of satellite missions


The Van Allen radiation belts are two doughnut-shaped regions encircling Earth


MEU (Management Executive Unit), that is capable of autonomously planning, executing and calibrating satellite orbit maneuvers


The imaging instrument suite also has two coronagraphs and a heliospheric imager


The problem is that the spiral arms are too dusty to see through


China is using a combination of its own tracking antennas and ESA’s global network of ground stations


The imaging system improves repeatability by eliminating the human factor from measurements


Collected about three terabits of science data


The thruster, developed at NASA’s Glenn Research Center in Cleveland and designed and built by Aerojet Rocketdyne


This module hosts also the Payload interface (UART or CAN bus) that shall be in charge of communication with the payloads


This change came about after a mechanical failure


A payload mass memory provides a capacity of 16 Gbit


The Sun is an ever-changing star: at times, numerous dark sunspots cover its visible surface; at others, the surface is completely "empty"


McNaught was a huge deal when it came because it was so ridiculously bright and beautiful in the sky


All DebriSat fragments will be individually measured


This planet is about a thousand light years away


Zhurong is the god of fire in ancient Chinese mythology


Longer exposures from the COR-2 (Coronagraph-2 camera)


SAMPEX (Solar, Anomalous, and Magnetospheric Particle Explorer) – the first of NASA's Small Explorer missions, launched in 1992


The go-ahead was also given to continue ESA's contributions to the operations of three international collaborative missions: the Hubble Space Telescope and the Interface Region Imaging Spectrograph (IRIS), which are both led by NASA, as well as ASTRO-H/Hinode, which is a Japanese-led mission


The 6th European Conference on Space Debris, Darmstadt, Germany, 22-25 April 2013


An artist's impression of the mechanisms in an interacting binary system. The supermassive companion star (on the right-hand side) ejects a lot of gas in the form of 'stellar wind'


There's even lightning and thunder on the planet


It is composed of 25 individually mounted modules


The country’s first Martian probe will conduct scientific investigations about the Martian soil, geological structure, environment, atmosphere, as well as water


Channel Noise Bandwidth 200 MHz 400 MHz 700 MHz


Figure 47: Artist's representation of an X-ray nova


Panels of different densities (0.06, 0.096, and 0.192 g/cm3)


Priroda module into proper perspective. The assembly phase of Mir lasted for a period of 10 years. The Mir station had a design life of 3.5 years; it remained in orbit for 15 years. Station module Launch Docking Module parameters Basic support function Core module Feb. 20, 1986


The Juno spacecraft carries a payload of 29 sensors, which feed data to nine onboard instruments


In April and July 2014, the Sun emitted three jets of energetic particles into space


The Oort cloud begins about 185 billion miles away


Successful Deployment of SpooQy-1 from Kibo!, JAXA, 18 June 2019


Accuracy of position determination with the beacon service is about 100 km


Returning the data back to Earth is the highest priority for the remaining fuel


The ELS includes: the CPU, the silicon detector DAQ, the PMTs trigger and acquisition, the LV Control Board, the High Voltage Power Supply (HVPS), the Main power DC/DC converter (LVPS) and 6 mechanical modules


The science data return is kept well above the minimum requirement for mission success


This redundant approach enables an open loop pointing, based on the satellite's attitude sensors, and a closed loop pointing using the attitude sensors together with the OSIRIS tracking sensor


Leading to a combined average significance of 8σ for 4 such transits


NASA's Ames Research Center in California's Silicon Valley manages the Kepler and K2 missions


China set April 24 as the country's Space Day to mark the launch of its first satellite "Dongfanghong-1" into space on April 24, 1970


As of January 2009, more than 270º of solar longitude can be observed


The MIGHTI instrument looks to be operating perfectly, producing interferograms that are exactly as we hoped


The aim of the QARMAN mission is to demonstrate the usability of a CubeSat platform as an atmospheric entry vehicle


Scott Bolton, principal investigator of Juno from the Southwest Research Institute, San Antonio


FSSCat (Federated Satellite Systems on Cat) is the winner of the 2017 Copernicus Master “ESA Sentinel Small Satellite Challenge (S3)”


Fragment extraction and characterization will continue throughout the duration of the project


The instrument swath allows 27 km x 27 km individual images at the nadir


“STEREO Sees Complete Far Side,” NASA, June 10, 2011, URL: http://www.nasa.gov/mission_pages/stereo/news/farside-060111.html


A communications satellite is part of the mission


The early morning brightening unique to Jupiter's spectacular aurorae


The parachute is triggered on re-entry by the pressure-initiated BAS (Beacon Activation System); it opens at an altitude of about 5 km


The relatively long and complex process of crater formation following such an impact – a matter of hours in the case of DART


The much smaller symmetrical fountain of the plume, about 60 km (or 40 miles) high, from the Prometheus volcano


At relatively high temporal (down to 3 days)


Gage R&R tests are conducted every 1,000 verified fragments


AAUSat-2 a CubeSat of Aalborg University, Denmark (3 kg)


MSU-SK measures in four channels of the visible spectrum: (0.5 to 0.6 µm, 0.6 to 0.7 µm, 0.7 to 0.8 µm, and 0.8 to 1.1 µm)


ICON will explore the boundary between Earth and space – the ionosphere


Pointed 45° and 135° from the S/C velocity direction toward the port (northern) side of the spacecraft


At shallow depths, Jupiter's belts are brighter in microwave light than the neighboring zones


Quantum Entanglement Demonstrated Aboard Orbiting CubeSat


Measurements taken at high time resolution (1-5 minutes)


The sounds were created by the metal on metal interaction of a rack and pinion system


The Sun generates (regular and irregular) variations of the lithosphere-ionosphere-magnetosphere parameters


Communications with STEREO-B were re-established on Aug. 21, 2016, during a monthly attempt to reach the spacecraft using NASA's Deep Space Network


The goal is to have the processed data available within 5 minutes of receipt at the tracking stations


With the ROSA arrays fully deployed, DART measures 12.5 meters (494 inches) by 2.4 meters (98.1 inches)


GEANT4 is used to simulate particle behavior in instrument materials


The Martian probe will conduct scientific investigations about the Martian soil, geological structure, environment, atmosphere as well as water


Covers electrons in the energy range of about 2-20 keV


The extraction task involves the careful extraction of fragments with at least one dimension greater than 2 mm


The twin STEREO spacecraft (called “Behind” and “Ahead” denoting their relative positions in space), now almost 120º apart


The orbiter will relay communications signals between ground controllers in China and the rover exploring the Martian surface


The first-ever mission to gather measurements from within the outer solar corona


The Copernicus Anthropogenic Carbon Dioxide Monitoring mission has taken another step forward as ESA authorises the mission’s prime contractor, OHB, to continue the development of the first satellite that will take it to being launch-ready


The spacecraft used its infrared instrument during recent flybys of Jupiter's mammoth moon to create this latest map, which comes out a decade after Juno's launch


NASA STEREO Observes One of the Fastest CMEs On Record,” NASA/GSFC, August 13, 2012


As of June 6, the rover Zhurong has been working on the surface of Mars for 23 Martian days


The capsule consists of three main elements (total mass of 6 kg)


Jupiter's magnetosphere is mostly populated by particles escaping from the volcanic moon Io


Tantalum (Z=73) baffles within the collimator


On September 28, as part of the same test sequence, the spacecraft was reset, and it took 12 minutes for the Star Tracker to start providing an attitude solution


DART will collide with the smaller body of the Didymos binary asteroid system


Orbital Selected By NASA For $50 Million Contract To Build Icon Space Weather Satellite


STEREO Science Operations Plan,” Dec. 10, 2004


The 3U CubeSat Astrocast 0.2 spacecraft with a mass of 3.8 kg


"Ion Velocity Meter (IVM)," URL: http://icon.ssl.berkeley.edu/instruments/ivm/


Electric potentials play a role in their generation


A first launch of the Iridium PRIME series is planned for 2017


STEREO-B has now been out of contact since September 23


This system is comprised of algorithms, software, and firmware


Blazars are the central cores of giant galaxies that host an actively accreting supermassive black-hole at their heart


Jason Steffen, Fermi National Accelerator Laboratory, Batavia, Ill


The contract was signed by Simonetta Cheli, ESA’s Director of Earth Observation Programmes, and Wolfgang Paetsch, Member OHB’s Management Board


The probe also sent back a video taken by a camera on the orbiter


The SPEQS device and it’s mounting structure is designed to accommodate the SWaP requirements of a 3U GomX CubeSat platform


The system is equipped with thermal sensors and heaters on the batteries to prevent a temperature below -10°C


The HI-2 objective is set deep within the forward baffle system shadow at a diffraction angle of 16.5º


The IceCube Collaboration is funded primarily by the NSF (National Science Foundation)


The design is based on a trade-off between several former ESA development activities and the LaserRanging Interferometer (LRI)


The rest, about 10, are associated with AXPs (Anomalous X-ray Pulsars)


With our novel modelling approach, which takes into account the propagation of the shock waves, the compaction and the subsequent flow of material


LASP's CSSWE is communicating in the 70 cm band using antennas on the roof at 9.6 kbit/s


Zhongkan Tang, Rakhitha Chandrasekara, Yue Chuan Tan, Cliff Cheng, Kadir Durak & Alexander Ling


It is approximately 3340 light-years away in the direction of the constellation Cygnus


The CME, this SEP (Solar Energetic Particle) storm event


The system has proven capable of detecting objects that are partially reflective and ones that are as small as 2 mm in length


The giant planet receives 25 times less sunlight than Earth


The clean measurements from REPTile reveal the detailed structures and dynamic variations of MeV electrons


VISION, developed by VTT, targets primarily the observation of the Earth's atmospheric limb during orbital Sun occultation


CNES also called on its network of industry partners, including Toulouse-based aero-structures manufacturer Latécoère to assemble and integrate the microsatellite


The IR-spectrometer, also referred to as MIRS (Multichannel Infrared Spectroradiometer), consists of two identical diffraction polychromatographs


The Ground Segment is composed by a SGCS (Satellite Ground Control Segment) and a UGS (User Ground Segment)


Objective: Detection of gamma-ray bursts; flight testing of nano actuators and sensors for spacecraft 3-axis stabilization


Center Frequency Tolerance ±50 MHz ±100 MHz ±100 MHz


FOV (Field of View) ±30º from edge of sensor


Determined phasing (i.e., (anti-)parallel configuration) and magnitude (i.e., at least 150 m) of the relative eccentricity and inclination vectors


NASA will work with the mission as the attempts to regain contact with the STEREO-B satellite continue through the end of 2015


The picosatellite PICASSO, aimed at Earth observation and space science


LTDN (Local Time on Descending Node) 10:30 hours


The optical payload, designed and developed at DLR, consists of an assembly of three pushbroom cameras, one in the VNIR (Visible Near Infrared) range and two imagers in the infrared region


They are overlaid on an image of Jupiter taken by NASA's Hubble Space Telescope


The satellite carries two missions, a Scientific mission and a Technological mission


NASA STEREO Observes One of the Fastest CMEs On Record,” NASA/GSFC, August 13, 2012, URL: http://www.nasa.gov/mission_pages/stereo/news/fast-cme.html


The transit depth went from undetectable at the beginning of the Kepler Mission to the deepest of the three planets over the span of just four years


Jupiter has an atmosphere thousands of miles deep


The investigation of such coupling mechanisms - and in particular of the, partially unknown, behavior of the ionosphere-magnetosphere transition region - is of fundamental importance for Earth remote sensing, monitoring of the near-Earth electromagnetic environment and studying of natural hazards


The PEB electronics are comprised of 5 PCBs


The spacecraft’s guidance, navigation, and control, or GNC, for the landing process will be fully autonomous


The collision of DART and Dimorphos, which is scheduled to take place in the coming September


Stowed within the commercial Nanoracks CubeSat Deployment System


The DART spacecraft will achieve the kinetic impact by deliberately crashing itself into the moonlet at a speed of approximately 6 km/s


The government has sanctioned the Gaganyaan Mission which will take Indians to outer space


As of summer 2018, the DART mission is in Phase B


The rover radar works by shooting radio waves into the surface and measuring reflection times


These measurements will be used by the new CO2M Monitoring and Verification Support Capacity


The AMR-C brightness temperatures are not only used for the RA water vapor path delay correction but are also fundamental climate data record


The design life of HY-1B improved from two years to three years


Such an observatory will be capable of detecting gravitational waves from the merging of supermassive black holes in the centers of galaxies for months prior to the final coalescence


A sub-class of X-ray binary stars, called super-giant fast X-ray transients


The DART spacecraft uses the NASA Evolutionary Xenon Thruster Commercial (NEXT-C) electric propulsion system


FSUE/RSIDE (Federal State Unitary Enterprise-meaning a `government industry') / RSIDE (Russian Scientific Institute of Space Device Engineering), Moscow, Russia


Particle radiation in this region can knock out onboard computers and interfere with the data collection of satellites that pass through it


A rotating wheel carrying spectral and polarized filters


Consisting of two S-band RX/TX transponders (with a ranging channel), one hemispherical antenna (nadir) for nominal communications, one hemispherical antenna (zenith) and one hybrid coupler to simultaneously connect the antennas to both transponders


"We're really excited to see the first data appearing from the ICON mission," said Scott England, the ICON project scientist at Virginia Tech in Blacksburg, Virginia


Soon after the discovery of the Van Allen radiation belts in 1958


The shield helps to screen out radiation and particles coming from directions other than that where the instrument is pointing, as well as to detect transient high-energy sources across the whole sky


Development and Flight Results of a PC104/QNX-Based On-Board Computer and Software for the YES2 Tether Experiment


Focusing on the brightest stars less than 300 light-years away


Swift contains a high-resolution X-ray telescope


The LEOStar-2 platform of Orbital ATK was selected for the ICON spacecraft


The Tianwen-1 probe, with a mass (including fuel) of about 5 tons


The absolute difference between measurements from Sentinel-6 and Jason-3 is less than 2 mm


Proceedings of the IAC 2005, Fukuoda, Japan, Oct. 17-21, 2005


It is not clear if CSSWE can be powered exclusively by the solar cells


The first is a 10-m resolution ‘camera-like' image captured on 29 October 2020 by Copernicus Sentinel-2


India believes that Outer space is the common heritage of humankind


The A-train “control box” is a defined portion of space within which all satellites of the “train” operate


Its relevance to other solar, as well as planetary and interplanetary, missions is unquestionably high


ICON clocked the windspeeds at up to 450 mph


Ionospheric dynamics via coordinated observations with EISCAT’s heating radar


The limited telemetry received after the spacecraft reset also indicates that one of the laser gyros in the IMU had failed


The EU, through the EC (European Commission), will fund the procurement of S-6 B (together with EUMETSAT)


Sentinel-6 Michael Freilich can soon take over the climate record of sea level rise, which goes all the way back to the early 1990s


The payload is a very compact, ultra-sensitive wide filed imager (f=23mm


A larger deep space maneuver to alter its orbital inclination


The PAN camera covered strips of land from Saharanpur to Nuh (South of Delhi) and Sangli to the Goa Coast


POLDER-P is a CNES instrument (radiometer/polarimeter)


When a CME with strong magnetic fields arrives near Earth, it can cause something called a geomagnetic storm


K2-294b orbits a star 1,230 light-years away, also located in Aquarius


Six strings of 18 GaInP cells (2 cm x 2 cm)


2 EUV emission line images at 2 different wavelengths


SHIMMER (Spatial Heterodyne Imager for Mesospheric Radicals) instrument, flown on STPSat-1 (launch on Sept. 3, 2007)


The findings from the first data-collection pass, which flew within about 4,200 km of Jupiter's swirling cloud tops on Aug. 27


NSX has a size of 14.5 cm x 14.5 cm x 7 cm


With the current setup and a 60 cm ∅ OGS (Optical Ground Station)


Observations of a fleeting, never-before-studied aurora


Bonriki International Airport, serves as the main gateway to the country


See the First Images NASA's Juno Took As It Sailed by Ganymede


The attempt to recover the spacecraft was not successful


The tether minimal deployment tension (stickiness)


Fotino was sent into a trajectory towards Kazakhstan, and must have landed upstream (roughly between Baikonur and the nominal landing point near Astana)


Momentus (NASDAQ:MNTS) has signed a contract modification with NASA's Kennedy Space Center


Viewed through the Kepler telescope, even the Sun would not reveal its rotation period


Payloads are assumed to be customer furnished


The total mass of all satellites onboard was 1288 kg


Instrument pointing (control/knowledge) 0.15º/0.15º


A total of 15 PCBs for the PSS (max) electronics


November 14, 2008: X-ray and gamma-ray data from ESA’s XMM-Newton and INTEGRAL orbiting observatories has been used


Some estimates suggest seas could rise another 650 mm by the year 2100


The SSR unit is composed of three boards: SIB (System Interconnection Board) SPB (System Power Board) SEB (System Elaboration Board)


Spectral wavelengths MWIR: 3.4 - 4.2 µm LWIR (TIR): 8.5 - 9.3 µm


Detector type 15 x 50 mm active area MCP with XDL (Cross Delay Line) anode


A nominal sweep sequence will comprise 16 points


It’s not the first time this almost 20-year-old mission gave the control team at ESA’s ESOC Operations Centre a scare


It will fly through the remnants of the dust tail on June 6


Signal Reception (double polarization) HH or VV (single pol.) HH & HV or VV & VH


The pulse counting system has 512 channels of 1 µs


The deployed solar arrays generate an average power of 475 W (EOL)


The ram-facing surface normal will be aligned to within 5º of the velocity vector


Without the availability of an onboard calibration system, periodic imaging of known targets (instrumented sites) will be used together with occasional imaging of the moon at a specific phase. Also, extensive pre-launch calibration of the instrument will be carried out


PICASSO has three strategic objectives: 1) To perform true science within a scope compatible with the technological constraints and current limitations of CubeSat technology 2) To anticipate the future of remote sensing and in situ measurements, for Earth and other planets, through miniaturization 3) To demonstrate that tiny satellites can achieve a very high ratio of “science data versus cost”


If unaddressed, the consequences of a changing climate will be devastating


The data are stored on the spacecraft and transmitted to the ground about once a month


A smaller asteroid orbiting it called Didymos B, about 530 feet (~160 m) across


2012 CubeSat Workshop, OSL's Vision & Mission," 9th Annual Spring CubeSat Developer's Workshop, Cal Poly State University, San Luis Obispo, CA, USA, April 18-20


Maintaining the 2-day revisit ground track


The board computer can choose between three different redundant (2 x) busses (UART, I2C, CAN) for communication (commands and telemetry)


Data rate for channels 1-4 = 2.56 Mbit/s


The Hubble data show the height of the thick clouds in the convective towers, as well as the depth of deep water clouds


At weaker levels than those observed in the past few days


The LICIA CubeSat – provided by ASI, the Italian Space Agency – it will deploy before colliding


The technology was first successfully tested in 2017 on the International Space Station (ISS)


The image shows the first 20 days observations of the electron fluxes


The spacecraft has two very large solar arrays that when fully deployed are each 8.5 meters long


Miniature digital S-band receiver and transmitter


Geosat Altimeter Observations of Kelvin Waves and the 1986-87 El Niño


As many as 600 Argentine professionals have been working on the $500 million-satellite since 2011


The Zhurong rover will exit the landing platform down a ramp


The strong gravity from the dense pulsar attracts material from the companion


A beacon laser in uplink to support the BIROS attitude control; it may also be used for an optical uplink


The IR radiometer features a spectral range from 7-13 µm


The Tianwen-1 orbiter carries seven instruments


China launches robotic mission to orbit, land, and drive on Mars


Even the smaller of the two would be big enough to destroy an entire city if it were to collide with Earth


Power consumption - peak (payload and payload support system) Up to160 W per 20 minutes


The BlueWalker 1 spacecraft with a mass of 10 kg


APL-Led Asteroid-Deflection Mission Passes Key Development Milestone


A C-band transponder was also included on GEOSAT


The SpooQy-1 CubeSat was launched as a secondary payload on 17 April 2019


The emission at these energies is dominated by non-thermal emission mechanisms


Most of this will be provided by a 7,500-Newton variable thrust engine


"We found that Jupiter's intense aurora, the most powerful in the solar system, is responsible for heating the entire planet's upper atmosphere to surprisingly high temperatures," said James O'Donoghue


FLOYD (Foton Located YES Deployer) (22 kg)


To reconstruct the images into a single 3D representation, the imaging system must be calibrated


The MIGHTI field of view can cover the entire limb altitude range required for the ICON science without a scanning mechanism


OpenApp, Open Cosmos’s proprietary mission control software, will complete qualification in 2020


Half of the motion of the plasma can be attributed to the winds that we observe right there on that same magnetic field line


Atmospheric chemistry Study of convective processes in the atmosphere


Another theory put forth by Fuller-Rowell et al. speculated that the ETWA was the result of chemical heating from the exothermic recombination of O+


On average the sun rotates in about 27 days


The SOHO (Solar Heliospheric Observatory) spacecraft, an ESA and NASA mission, also observed the CME


As we couldn’t trust its thrusters any more


Information provided by Xinlin Li, PI (Principal Investigator) of the CSSWE project


Sun-synchronous circular orbit, altitude = 556 km


Its compact Roll-Out Solar Arrays (ROSA) coiled into two gold cylinders that flank the sides of the spacecraft


SAOCOM will be capable of capturing 500 images as it orbits 15 times a day


Deployment of 3.5 km of tether to the local vertical


360 miles above the surface and in ultraviolet light


Bertrand Bonfond, a researcher from the University of Liège in Belgium and lead author of the study


The OBC features a multiple redundant design


Observation of the Earth and Its Environment: Survey of Missions and Sensors


To achieve high-quality entanglement, the researchers had to completely redesign the mounts that currently align the nonlinear crystals with a high degree of precision and stability


Images are acquired at six elevation angles


This artist's concept of lightning distribution in Jupiter's northern hemisphere


The main Power Supply provides the low voltages to the detector electronics and the high bias voltages for PMTs and silicon modules


A launch of IMS-1 as a secondary payload on a PSLV vehicle (PSLV-C9) took place on April 28, 2008 from the SDSC-SHAR launch site (Sriharikota, India)


The navigation algorithms are embedded in the GPS receiver


9th Annual Systems Engineering Conference, NDIA (National Defense Industrial Association) 2006


Most of the Control Team were working from home at this point – I was following operations from the train


This will ensure the seamless continuity of a unique sea level record


The SOHO spacecraft captured the climax of the giant Halloween solar flare with the UVCS on Nov. 4, 2003


While remaining approximately the same distance from the Sun throughout the mission


Juno's trajectory crosses into the beam which is a cone-shaped pattern


In 6.5 hours (half of a central transit duration)


Every science pass sends the solar-powered spacecraft zooming low over Jupiter's cloud tops


These are galaxies hosting a central, supermassive black hole that is actively accreting matter


It will be added to the company’s growing satellite constellation


Identifying particles that stop at depths of about 20-70 μm and about 70-2000 μm


November 16, 2018: The Kepler space telescope has had a profound impact on our understanding of the number of worlds that exist beyond our solar system


One needs to monitor many thousands of stars before one can arrive at a statistically meaningful result


The low-latitude nighttime ionosphere-thermosphere (IT) region (100-500 km)


The generation of higher-level single-mission products (Level 2P and Level 3) are supported


Zhurong began to travel on the Martian surface on May 22


The Tianwen 1 orbiter, which will continue its mission after releasing the lander and rover, is designed to operate for at least one Martian year


This conceptual image shows the radio emission pattern from Jupiter


The satellite mission is part of a collaboration program between the CNSA (China National Space Administration) and ASI (Italian Space Agency), and developed by CEA (China Earthquake Administration) and INFN (Italian National Institute for Nuclear Physics), together with several Chinese and Italian Universities and research Institutes


Preliminary data shows that all four instruments – MIGHTI, EUV, FUV and IVM – were able to see changes the eclipse wrought


For the last decade, the Sun has been showing itself to be rather weakly active


The ground station antenna is a M2 MCP436CP30 cross polarized 42 element yagi antenna


The reason for this is still not completely understood but is thought to be associated with a ‘star tracker occultation’ or ‘blinding’


Scientists have been able to calculate that a supernova goes off in our galaxy, once every 50 years


Other atmospheric dynamics like thunderstorms


The objective is an analysis of the electromagnetic environment (military use)


One of the spacecraft’s three active ‘reaction wheels’ had turned off without warning and stopped spinning


The streamers themselves are composed of myriad fine strands


Italy participates in the CSES satellite project


The GOES-17 satellite captured images of an umbrella cloud generated by the underwater eruption of the Hunga Tonga-Hunga Ha'apai volcano on Jan. 15, 2022


The current instrument shielding has been shown in GEANT4 to stop all electrons with energies < 10 MeV and protons up to 85 MeV


The primary payloads on this flight were Helios-2A (launch mass of 4200 kg)


NTS (Nanosatellite Tracking of COM DEV / UTIAS/SFL, Toronto, Canada. Objective: Perform a survey of the maritime VHF band at 162 MHz


AIDA: The asteroid impact & deflection assessment mission


The instrument consists of a segmented layer of plastic scintillators for the trigger and a calorimeter constituted by a tower of plastic scintillator counters and a LYSO (Lutetium Yttrium Orthosilicate) plane. The direction of the incident particle is provided by two planes of double-side silicon micro-strip detectors placed in front of the trigger


PICASSO picosatellite ready for launch,” BIRA, 13 February 2020


This specification will govern the performance of Iridium's space and ground accommodations in support of the hosted payload mission, including the volume, mass, power, and data connectivity allocated to the hosted payload


February 17, 2021: DART (Double Asteroid Redirection Test)


Load case 2: ±0 g longitudinal, ±4.5 g lateral


Myriade also marks the beginning of an innovative partnership between CNES, Alcatel Space and EADS-Astrium


The CubeSats will maintain a 1/4 to 1/2 orbit separation to each other


Juno's investigation of Jupiter's volcanic moon Io


Attempts to recover the spacecraft continue


CSES is a Chinese-Italian scientific mission dedicated to monitoring electromagnetic field and waves, plasma and particles perturbations of the atmosphere, ionosphere and magnetosphere induced by natural sources and anthropocentric emitters; and to study their correlations with the occurrence of seismic events


35th International Cosmic Ray Conference - ICRC2017-10-20 July, 2017


The main payload of Pico Dragon is the camera that can compress images in JPEG format, using OmniVision CMOS VGA color sensor with low power consumption


Led by his PhD adviser Prof. Derek Richardson


NASA’s LLITED mission, two 1.5U spacecraft


The SCU (Sequence Control Unit) supplies electric power to operate the thrusters and electricity to the active valves


Remarks Incl. DC/DC converters, pressure transducers and temperature sensors, ECSS based development and testing, no pyrotechnic valves, no ITAR parts, COTS design


It is conceivable that the Sun has been going through a quiet phase for thousands of years


A catalog of close to 500 gamma-ray sources from all over the sky


INTEGRAL used the Earth as a giant shield to disentangle this faint glow


Monitoring and analysis of ecosystems functioning under the influence of environmental factors (climate, topography, soils etc.)


Thin-film, self-adhesive, piezoelectric sensor pads


Whether Mars is hospitable to life and whether it has connections with Earth have become major scientific issues of the research on Mars


Proceedings of the 7th IAA Symposium on Small Satellites for Earth Observation, Berlin, Germany, May 4-7, 2009


Taking place more than 800 million km away on the giant planet Jupiter


On Dec. 18, 2010, PARASOL completed its 6th year on orbit


The oceanographic data from the ERM became a critical component of the Navy's operational mesoscale analyses


The COSPAS-SARSAT beacon was working for two days


The 2016 contact with STEREO-B revealed new information about the spacecraft's rate of spin and precise location in space


"SpaceX launches first polar orbit mission from Florida in decades," Spaceflight Now, 31 August 2020"


The instrument consists of a stack of four solid-state doped silicon detectors


The requirement is to keep the temporal frequency of anything that can affect the photometric precision well outside of the time domain for a transit


The nanosatellite uses 28 PV triple junction solar cells


Stephan Roemer, Winfried Halle, "TET-1 and BIROS A semi-operational Fire Recognition Constellation," UN/Austria/ESA Symposium on Small Satellite Programs for Sustainable Development: Payloads for Small Satellite Programs, Sept. 21-24, 2010, Graz, Austria


There are two identical lower frequency radiometer units in the AMR-C system


Function timers, launch switches, latchup and over current protection


In 1999, two of the nation's unpopulated islets, Tebua Tarawa and Abanuea, disappeared underwater entirely


It will provide a fully processed image data set up to Level 1B. After receiving the Level 1C data from Open Cosmos, Terrabotics will apply their proprietary change detection and object recognition algorithms to this imagery in order to carry out further processing and analysis of data to create added-value products (Level 2+)


The Leros-1b main engine is a 645-Newton bi-propellant thruster


Using information that Juno has learned from studying Jupiter's atmosphere, the animation team simulated lightning one might see as we pass over Jupiter's giant thunderstorms


Kepler-1658b, orbiting with a period of just 3.8 days, was the first exoplanet candidate discovered by Kepler nearly 10 years ago


The spacecraft is 3-axis stabilized (Earth pointing) using the bias momentum control technique


Their dusty, gassy shells blown away from the central star in relatively slow winds up to few hundreds of km/s


Each reaction wheel is capable of providing a torque of up to 2mNm


It has been operational until March 7, 2013


The shape of the waveform is used to determine the sea-surface height from the radar range, the significant wave height, from the slope of the waveform leading edge, and the surface wind speed from the ocean roughness expressed by the power of the radar echo


EUMETSAT will also carry out the delivery of data services to Copernicus service providers and users


Currently, we are qualification testing the satellite


At night, it measures the density of the ionosphere, and during the day, composition


8th IOCCG Meeting, Florence, Italy, Feb.


Now INTEGRAL sees about 300 individual sources in our Galaxy


The transmission data rate is 9.6 kbit/s in downlink and uplink


January 2, 2018: Professionals from CONAE (National Space Activities Commission), CNEA (National Commission of Atomic Energy), and the companies VENG, INVAP and CEATSA/Arsat concluded in Bariloche (Argentina) the electrical verifications and the mechanical assembly of the SAOCOM-1A


The expectation is to start observations for the next campaign with any remaining fuel


The EPS board will be powered throughout the orbit, with a nominal consumption of 200 mW


By Friday morning, the robotic probe had flown about 36 days in an Earth-Mars transfer trajectory


The Tianwen-1 orbiter, which can relay signals


The size characteristics from the measurements (i.e., determining the characteristic length, average cross-sectional area, and volume) are calculated


Multi-junction solar cells are being used to provide higher efficiency of power conversion to generate about 230 W


The Payload Panel supporting the redundant RA (Radar Altimeter)


Encounter with the Jovian moon is expected to yield insights into its ionosphere


The instruments are left with no power, thermal, or SSR constraints other than managing the amount of data being placed in their SSR partitions


It’s worth highlighting the need for tight coupling of science and engineering on space missions


We will keep monitoring daily for QARMAN signals until the re-entry (currently estimated for January 2022)


Encounter with the Jovian moon is expected to yield insights into its ice shell


Earth's atmosphere is less than one millionth of the total mass of Earth


The measurement continuity is scheduled until the end of September 2013


The Long March 5 rocket placed Tianwen-1 on the proper course toward Mars about 36 minutes after launch


The Kepler and K2 missions have already discovered thousands of planets around other stars


NGGM pair is expected to have a common operation with GRACE-C for at least 3 years


These cyclones, each nearly as wide as the continental U.S.


The IVM (Ion Velocity Meter) measures the temperature of the charged particles around the Earth


Because erosion and sedimentation rates are low in the deep oceans


The STEREO observatories continually point at the Sun as they move away from the Earth at a rate of 22º/year


An integrated navigation package with the objective to provide accurate location knowledge to MOMS-2P imagery


A change of orbital speed by mm/s from the kinetic impactor changes the binary orbit period


Over the past 30 years, the average rate has increased to 3.4 mm per year


Input Return Loss (over channel passbands) ≥15 dB


As the mission has gone on well beyond its expected duration, the inclination of the spacecraft is not maintained for years and now the drift is increasing rapidly into the afternoon


Body-mounted solar panels are also used to generate power from Earth’s albedo and to maximize power generation during tumbling


This is achieved by utilising next generation high efficiency solar cells


Pointing capability Nadir pointing with rapid body re-pointing capability


GSD (Ground Sample Distance) 2 m (at nadir)


We have automated the data entry process to reduce operator errors during transcription of the measurement data


The instrument/payload compartment was divided lengthwise into three sections


The "Electrical System" of the S-6 satellite comprises all the necessary hardware to operate the satellite, and to execute the software


Near circular orbit, altitude of 385 km x 393 km


We are against the weaponization of Outer Space


The Chinese name of the red planet, Huoxing (meaning the planet of fire)


Strong winds in the thermosphere, a layer of the upper atmosphere known for its high temperatures, push current-carrying plasma in the ionosphere across invisible magnetic field lines


LCPS (Low Voltage Power Supply) Provides secondary power to instrument cameras and survival heaters


Kepler's field of view covered only 0.25% of the sky


The CubeSat has an edge length of just 10 cm


Below the minimum mass of a star (at least 80 times the mass of Jupiter)


With a cylindrical envelope of 4.6 m (diameter) x 6.0 cm (length)


Previous predictions have fallen anywhere between 10 and 100 percent


The launch of Spire's 100th Lemur satellite


The entire deployment sequence last about 20 minutes


PICASSO aims to show that such measurements can be successfully done with very small satellites


The project is now in the extended mission phase, focusing more on data analysis and modeling


The three nanosatellites "will be used to test a range of experimental payloads for defense and commercial customers


In October 2014, the X-ray space telescope "NuSTAR" detected unexpected periodic pulsed emissions in a ULX named M82 X-2. The discovery of this object named "ULX-pulsar" has puzzled astrophysicists


All of the most-sensitive electronics are placed inside an armored vault to shield them from Jupiter's deadly radiation


Documentation of: ”Observation of the Earth and Its Environment: Survey of Missions and Sensors” (Springer Verlag)


Some of its software was originally developed for NASA's Mars Odyssey and Mars Reconnaissance Orbiter spacecraft


If scientific requirements (i.e., observation proposals) exist to observe sources for long uninterrupted periods of time, using all the four instruments (OMC, JEM-X, IBIS and SPI), then the dithering modes can be switched off


The active AVM (Anode Valve Module), which open/shut the flow path to the relevant thruster


It has been designed for a data rate of 1 Gbit/s


The STEREO ground system was developed to support this concept of highly automated operations from the APL MOC (Mission Operations Center) and multiple POCs (Payload Operations Centers)


The OBC will send a status frame to SPEQS after the data transfer is finished


Astronomers use spectra to analyze the energy of the radiation that they observe


The AVANTI-Experiment, " DLR, Dec. 7, 2016


A launch of the MANTIS mission is expected in late 2023


Leaving behind a spinning stellar corpse with a strong magnetic field, known as a neutron star


Juno spacecraft successfully entering Jupiter's orbit


Io's surface is covered by sulfur in different colorful forms


The SPEQS device is designed to communicate with the OBC via a serial connection


The probe stopped transmitting about two minutes later


The imaging system is intended to generate a 3D point cloud representation of the object


Impacts of the January 2022 Tonga Volcanic Eruption on the Ionospheric Dynamo


Radar pulses are transmitted and received using a new interleaved timing arrangement that allows conventional, low-resolution data to be acquired simultaneously with high-resolution delay-Doppler measurements


To reduce their thermal noise, they would need to be cooled to near liquid nitrogen temperatures


March 30, 2016: Following the discovery of gravitational waves from the merging of two black holes, ESA's INTEGRAL satellite has revealed no simultaneous gamma rays


NASA's Juno mission completed a close flyby of Jupiter on Sunday, Dec. 11


B. Iannotta, “SWARM,” Smithsonian Air & Space, August/September, 2000


IGR J16283-4838, is an ultra-dense ‘member’ of an exploded star and was first seen by INTEGRAL on 7 April 2005


PICASSO is a project of ESA (European Space Agency) led by BISA (Belgian Institute for Space Aeronomy), in collaboration with VTT Technical Research Center of Finland Ltd, Clyde Space Ltd. (UK) and the CSL (Centre Spatial de Liège), Belgium


Aluminum plate with embedded quartz, sapphire, and adhesive coupons


Move quickly towards the next steps in the hardware procurement


The new planet, dubbed Kepler-47d, was not detected earlier due to weak transit signals


The products provided are in-situ neutral pressure/density, in-situ plasma density, and a measurement of the total number of electrons along the line-of-sight between the satellite and the receiver (slant TEC)


The more energetic gamma rays, detected by Fermi


The brightness increases again until the instrument sees the evening region and moves into the night


Approximately 250,000 fragments are expected to be collected in total


With its optical navigation instruments from some 1.2 million kilometers away from Earth


The number of planets around red dwarfs is much smaller than the number around solar-type stars


When NASA’s DART spacecraft launches on 24 November


Proceedings of the 10th Annual AIAA/Utah State University Conference on Small Satellites, Sept. 16-19, 1996


Sentinel-6 in its conventional ‘low-resolution' mode


The hosting agreement will also define the data packages that the customer shall deliver


ESA’s Integral space observatory has witnessed a rare event: the moment that winds emitted by a swollen red giant star revived its slow-spinning companion, the core of a dead star, bringing it back to life in a flash of X-rays


INCOSE 2007 (International Council on Systems Engineering), San Diego, CA USA, June 24 -28, 2007


With an expected lifespan of at least 90 Martian days


Around the AFRL sponsored C/NOFS (Communications/Navigation Outage Forecasting System) orbit


Proceedings of the IAA Symposium on Small Satellite Systems and Services (4S), Rhodes, Greece, May 26-30, 2008


Pico Dragon is the first small satellite project of VNSC (Vietnam National Satellite Center), which was established in 2011


Waves are pervasive features in the F-region of the ionosphere


The first phase of YES2 (2002-2003) focused on the conceptual design of the reentry vehicle and the development and testing of a tether deployment mechanism, ending with a PDR (Project Design Review) in Dec. 2003. The second phase focused on the detailed design of the subsystems, leading up to the building and testing of the actual space hardware


Open Cosmos Ltd (Harwell, UK) will be providing a new generation 12U spacecraft platform


Where the dynamics change from what we might call coronal plasma to what we might call the young solar wind plasma


Four deployed solar panels instead of two


Provide a higher sensitivity and image cadence of the EUVI instrument than previously possible


This system will provide the EU with a unique and independent source of information


IMPACT (In-situ Measurements of Particles and CME Transients), PI: Janet G. Luhmann of the Space Sciences Laboratory of UCB (University of California at Berkeley)


Perhaps in conjunction with the Green Bank radio telescope, to make measurements of the Didymos system


Occultation Channels: (4 for GPS,2 for BD)


The on-board network adopts the dual-redundant CAN bus


This antenna adjustment will begin on Dec. 1, 2014


It will conduct a global survey but focus more on polar high latitude regions


The IDPU (IMPACT Instrument Data Processing Unit), which serves as a single interface to the spacecraft


Thermistor Temperature of the PCB (Printed Circuit Boards) and critical components


DART Gets Its CubeSat Companion, Its Last Major Piece


Instrument mass, volume 32 kg, 0.8 m x 0.5 m x 0.25 m


NanoCom GS100) is the ground counterpart (with a 25 W power amplifier)


The only country opposed to the adoption of PAROS and PPWT is the United States


Successfully placed an Argentine radar observation satellite into an orbit over Earth's poles


On July 9, 2015, the STEREO team began turning on the solar wind and particle instruments


Via LCLs (Latching Current Limiters), the EPS provides main-bus overvoltage and undervoltage protection and distributes protected unregulated primary power to all the satellite users


FRESIP proposed a 0.95 m aperture photometer


Physicists couldn’t tell where the boundary between the corona and the solar wind began


October 29, 2020: Since astronomers confirmed the presence of planets beyond our solar system


Illustration of NASA’s DART spacecraft and the Italian Space Agency’s (ASI) LICIACube prior to impact at the Didymos binary system


The project acquired already 68 days of science data


SpooQy-1 Smallsat Now Operated by SpeQtral for the Center for Quantum Technologies


Planar probes have a flat current collection characteristic in the saturation regions


China’s Zhurong Mars rover lands safely in Utopia Planitia


The NanoSat-01 demonstration consisted of two bus experiments


Its antenna, designed in central Cordoba province, is composed of 140 smaller antennas


The camera will take pictures in infrared light, with wavelengths of two to five µm


A team of astronomers under the direction of the University of Geneva, Switzerland (UNIGE), have developed a method that makes it possible to ensure the presence of a planet in a few months, even if it takes 10 years to circle its star


When the volcano erupted, it pushed a giant plume of gases, water vapor, and dust into the sky. The explosion also created large pressure disturbances in the atmosphere, leading to strong winds


The airglow brightness drops to its minimum at 5:51


Since 1993 the global sea level has risen, on average, by just over 3 mm every year


A radio beacon of the COSPAS-S&RSAT system


Spectral range (nm) Band 3 (Red) 650 - 680


The autonomous sensor (camera system) of ASAP-L


This study puts strong constraints on the parameter space for complex life


It is the sole body of advisors from outside the federal government charged with making science, technology and innovation policy recommendations to the President and the White House


This mission will help in the study of global warming


New data from NASA's Juno spacecraft suggests that these "hot spots" are much wider and deeper than anticipated


China jointed an even smaller international club with the Mars landing Friday


A scene (a 2D image) has a size of about 1600 km (along-track) x 2400 km (cross-track)


The orbit during the scientific observation stage is a polar elliptical orbit


Receive its ‘telemetry' - data providing information on the mission's health


The POS4 (Poseidon-4) architecture is composed of two cold redundant DPUs (Digital Processing Units), two cold redundant RFUs (Radio Frequency Units), a dual-frequency antenna and three RF Switches


GEOSAT was a pioneering research mission of the US Navy dedicated to radar altimetry


The MIGHTI design utilizes a cubic beam splitter


One of the tests performed included cross-calibrating the satellite's altimeter data with measurements from the Copernicus Sentinel-3 and Jason missions


By measuring the decrease of the gamma-ray flux once the Earth had blocked INTEGRAL's view and by making a model of the Earth’s atmospheric emission, the astronomers precisely gaged the gamma-ray background


Found the known blazar, TXS 0506+056, in a ‘flaring’ state – a period of intense high-energy emission


Where the mean argument of latitude u = 90° or u = 270°


The region can be hazardous for low-Earth orbit satellites that travel through it


16483 CdTe detectors, each (4 x 4 x 2) mm


Is expected to enter Mars orbit around February 10


NASA Cites the Return of the STEREO-A Spacecraft


Providing a view of the entire sun - front and back


July 18, 2018: A Southwest Research Institute-led team discovered never-before-detected, fine-grained structures in the Sun’s outer atmosphere, or corona


Fragments with at least one dimension greater than 2 mm are stored individually


The average usage of 0.7 kg/month since then has been for reaction-wheel biasing


The publication of the 4th edition in 2002


The instrument has the sensitivity to detect an Earth-size transit of an mv=12 G2V (solar-like) star at 4 σ in 6.5 hours of integration


Proceedings of the 14th Annual AIAA/USU Conference on Small Satellites, SSC00-I-2, Aug. 21-24, 2000


This cooperation is referred to as SIASGE (Sistema Italo Argentino de Satélites para la Gestion de Emergencias)


All scientific equipment aboard the rover is turned on to collect data


It receives data from both the RA and the OBC (collecting from all the other data providers) via SpaceWire links


All operations will be performed from the VKI ground station


GSD at 500 km (post-processed image including degradation due to platform and orbital effects) VIS: 2


Pegasus XL rocket, carrying NASA's Ionospheric Connection Explorer (ICON), occurred at 22:00 EDT (02:00 UTC) on Oct. 10, 2019


The ESA (European Space Agency) JUICE (JUpiter ICy moons Explorer) mission is scheduled to begin a 3 1/2-year exploration of Jupiter's giant magnetosphere, turbulent atmosphere, and its icy moons Ganymede, Callisto, and Europa


That mission was destroyed when the rocket exploded


DART is designed to be the first demonstration of a kinetic impactor for planetary defense


Similar in configuration to its aluminum XSAT predecessor of NASA


Traveling at a speed of about 57.8 km/s relative to the planet


Another problem for the mission lay in the information transmission


It consists of at least 7 different SW systems embedded in different units: OBC SW, MMFU Control SW, Star Tracker SW, RA instrument Control SW, AMR-C instrument Control SW, GNSS-POD Receiver Electronics SW


57 minutes, 36 seconds of data Galileo beamed back on Dec. 7, 1995


Imagery is provided in 8 VNIR (Visible Near Infrared) and in two TIR (Thermal Infrared) bands with a spatial resolution of 1.1 km


Each of the ellipses is about 100 by 40 km


Tracking is possible with 70 pW optical input power per quadrant


Infrared data collected by the Gemini North telescope (left) and a visible-light image taken by NASA's Hubble Space Telescope


Based on the CryoSat-2 heritage platform


Provides an average daily power of 800 W to the payload


Unexpected results were obtained on the angular extension at which SEPs (Solar Energetic Particles) are observed


A coil of fine wire wrapped 10,000 times around a 15 cm long core


This new dispenser platform was designed and developed by students of NPS (Naval Postgraduate School) in Monterey, CA


July 16, 2021: A year ago tomorrow, a failure on the Integral spacecraft meant it fired its thrusters for likely the last time


In the next OSIRIS version OSIRISv3, data rates up to 10 Gbit/s are foreseen


Over the past 140 years, global mean sea level has risen 21 to 24 cm


The Sentinel-3 SRAL (SAR Radar Altimeter) derived RA (Radar Altimeter) is the principle payload instrument; its scope is measuring geophysical parameters (SSH, wind speed and SWH). To retrieve these data, additional information is required from a number of supporting instruments: a DORIS receiver (recurrent from CryoSat-2) to enable precise orbit determination and a Microwave Radiometer to provide the measurement of water vapor necessary to correct the altimeter data.


JunoCam's hardware is based on a descent camera that was developed for NASA's Mars Science Laboratory rover


Instead of leaving a relatively small crater on the 160 meter wide asteroid


The focal point of SWAVES instrument commanding and operations will be performed at the UMN (University of Minnesota)


Successfully landing at 109.9 East and 25.1º North


The lander will employ a laser range ﬁnder and a microwave ranging velocity sensor to gain navigation data


The Foton unmanned recoverable spacecraft series was introduced by the former Soviet Union with a first flight in 1985


Tianwen-1 initiated a near 15-minute burn of its 3000 N main engine


AMR-C comprises a nadir-viewing offset Gregorian telescope


CO2M will provide a unique and independent source of information to assess the effectiveness of these policy measures and to track their impact towards decarbonisation


The instrument design relies on state of the art digital hardware improving on-board calibration strategy


The total system noise, defined to be the CDPP (Combined Differential Photometric Precision), must be less than 21 ppm


The SORTIE (Scintillation Observations and Response of the Ionosphere to Electrodynamics) mission is a 6U NASA CubeSat mission


Christoph Winkler, ESA’s INTEGRAL Project Scientist


The CO2M mission is destined to be a game changer in monitoring emissions


NASA selected BATC (Ball Aerospace and Technologies Corporation) of Boulder, CO, as the prime contractor for both the photometer and spacecraft


ICON (Ionospheric Connection Explorer) is a mission to untangle how Earth's weather interacts with the weather in space


The NGGM pair will embark the new generation Microstar accelerometer from ONERA


Making use of APS (Active Pixel sensor) area device for detection


The lander carrying the rover is expected to land on Mars in May or June


It is the master system data management and control unit


SP: HH or HV or VH or VV DP: HH/HV or VV/VH QP: HH/HV/VH/VV


STEREO-A orbits the sun as Earth does, but in a slightly smaller and faster orbit


The OBC power consumption is < 6 W with a mass of 3 kg


Land 0.183 Mbit/s, Ocean 18.56 Mbit/s, Coastal 37.35 Mbit/s, Validation 55.72 Mbit/s


The data was collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument from February 2017 through November 2020


The probe will be about 195 million km from Earth with an actual flight distance of 470 million km


An innovative sensor concept has been developed capable of providing multiple sun images on the focal plane


For this period of time, scientists find regularly recurring fluctuations of comparable strength as during recent decades


The camera calibration is performed by acquiring images of a calibration checkerboard pattern of known size


GOLD captures landscapes from 22,000 miles above Earth