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[Question] [ Imagine two races, both of human-level intelligence: Hawklings are raptor-like (as in falcons, hawks, eagles, etc) flying humanoids who have six limbs: legs, arms, and wings. They live on high cliffs situated between open plains and the ocean. They hunt by soaring high in the air across hundreds of m...
[Question] [ The Transgalactic Guide to Solar System M-17 by Jeff Rovin features, among others, the planet Morana, which is described as having oceans of "mud". Obviously, this cannot be normal mud such as we would find on Earth, for a few reasons: 1. It never settles out, and is described as "viscous", yet has a l...
[Question] [ The creatures on this world tend to favour arsenic as a replacement for phosphorous in their biology. There's an overabundance of it in the ground soil, and very little phosphorus. The equivalent of mushrooms on this world pack their spores with arsenic as an essential chemical nutrient for their spawns ...
[Question] [ This question asks for hard science. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. I ha...
[Question] [ This question asks for hard science. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. **Th...
[Question] [ Several questions on related subtopics of vision distance on a flat world have been asked before, but this one remains unaddressed. Specifically: * The answer from Euclidean geometry would be infinite (no horizon). That's not what I'm looking at here. * The answer from general relativity would be on the ...
[Question] [ Cicadas are known to produce very loud sounds which [they make by rapidly buckling their tymbals](https://www.sciencemag.org/news/2013/06/secret-cicadas-chirp), some of which are [loud enough to exceed the threshhold that causes discomfort in humans (110 decibels)](http://www.bbc.com/earth/story/20160331...
[Question] [ Ok so my creature will look like this [![enter image description here](https://i.stack.imgur.com/3hCo4.png)](https://i.stack.imgur.com/3hCo4.png) * They're not big, about 2 feet tall. * They're technically amphibians but have the scaly hide of a reptile. * They live near the sea. * Their life cycle is si...
[Question] [ As we know, bi-directional faster than light (FTL) travel can cause paradoxical situations. One possible way to resolve this would be a multiverse theory: Whenever a paradox could arise, the universe splits into two (or maybe more) more or less internally consistent universes, and whenever a paradox actu...
[Question] [ The Apex predator of the Sea of Grass biome from planet Andromeda is mostly bipedal, but capable of facultative quadrupedalism, it has long limbs, powerful claws on its hands and is roughly the size of an utahraptor, but with a neck that can be from twice to thrice as long. It is a pursuit predator, runn...
[Question] [ Closed. This question needs to be more [focused](/help/closed-questions). It is not currently accepting answers. --- Want to improve this question? Update the question so it focuses on one problem only by [editing this post](/posts/152219/edit). Closed 4 years ago. [Improve this question](/po...
[Question] [ I have a civilization that lives on a planet located inside a nebula (and orbiting a normal, sun-like star). Would this nebula somehow interfere with/ obscure the sight of a rogue neutron star/ black hole coming their way? I'm hoping the answer is yes, so that by the time they notice it, it's too late. ...
[Question] [ The universe described in the [orthogonal series](http://www.gregegan.net/ORTHOGONAL/00/PM.html) is one, in which the minus sign in the space time interval is replaced with a plus sign. So this universe has four fundamentally similar dimensions rather than three space like dimensions and one time like di...
[Question] [ What I'm using your information for: My planet is small, has a thicker atmosphere than earth and it's orbiting a white dwarf. The main reason I chose it to be a white dwarf is that I read somewhere that these would take much longer to cool than a regular star, because they have a much smaller surface...
[Question] [ I was thinking of a life form with a similar surface temperature to Earth, as well as a similar temperature variation to that of Earth. Could such a life form evolve an organ for generating temperatures a fraction of a degree Kelvin above absolute zero? If so how might such an organ work, and what types ...
[Question] [ In lots of barren, deserted or otherwise destroyed landscapes, there are bones of long dead animals to be found. Sometimes, it's a skull, sometimes, these are rib-cages, or ribs alone. And sometimes, these bones are huge. Is there any sort of common ratio that can be used to calculate the size of the ...
[Question] [ I'm working on yet another iteration of a world map project. I'd like to ask for some opinions on the sea temperature map I've done: [![sea temperature map](https://i.stack.imgur.com/uQ5mo.png)](https://i.stack.imgur.com/uQ5mo.png) I also have a few specific questions about some areas on the map. [![labe...
[Question] [ This question asks for hard science. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. Huma...
[Question] [ Let's say humans moved to Mars and have lived there for millions of years. Mars is of now uninhabitable, though in this case some terraforming has happened. The poles have been nuked to release greenhouse gases and a prosthetic magnetic field has been created, and also an ozone layer. The hows are not im...
[Question] [ I [recently asked](https://worldbuilding.stackexchange.com/questions/110131/the-practicality-of-corinthian-style-combat-helmets) about the plausibility of a fully-enclosed modern combat helmet, whose design took cues from the [Corinthian helmet](https://itsallgreeklondon.files.wordpress.com/2015/08/3-bro...
[Question] [ QUESTION: Would this system of government be effective, and if so (why) and if not (why)? What I'm mostly looking for here is a reality-check or improvements / observations on how my proposed skeleton idea for a system of government would/could function (either as I intend (laid out here) or in an a...
[Question] [ Imagine a world like [Pellucidar](https://en.wikipedia.org/wiki/Pellucidar) or [Skartaris](https://en.wikipedia.org/wiki/Skartaris). This world exists on the inside of a 'hollow Earth'. The laws of physics apply as normal, except as follows * There is a gravitational force that attracts all objects to th...
[Question] [ This concerns a habitable, earthlike moon orbiting a gas giant, which is not tidal locked, and has an elliptical orbit eccentric enough to avoid frequent deep winter freezes (the freezes do happen, but they are more like once a decade). The tidal range is higher than Earth's; I'm going to ballpark about ...
[Question] [ I am trying to figure out how to build a human colony on a moon (75% of Earth size) of a gas giant. Some details of the planetary system chosen for colonisation: * K-type main sequence star (about 60% of Sun size; orange; lower radiation emission than Sun); * large asteroid belt which can be mined for al...
[Question] [ This question asks for hard science. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. It i...
[Question] [ It is medieval times, and mythical creatures aren't so mythical. About half of all mountain lions are griffins, which use their wings to glide over rough terrain. Dragons dwell on mountain peaks, or in deep caves. (There are sea serpents,but they are very rare, so they don't really matter). And thunderbi...
[Question] [ My moon is the basis for a fantasy setting, but I just can't bring myself to abandon science and say "a wizard did it." I want to make the months and seasons realistic, and I want to find a way to make this, or something like this, work. I'm hopeless in math, so I'd like to enlist some help here. The ga...
[Question] [ It's well known that Mars has a very weak atmosphere as a result of billions of years of solar wind bombardment. Mars lacks a sufficiently large magnetic core to generate a magnetosphere strong enough to block the solar wind. My civilization has found ways to generate enormous magnetic fields (without br...
[Question] [ There are well-known procedures for tricking human brains into assigning 3-dimensional perspective to 2D images. Some, like 3D glasses in a theater, work without effort, while others, like the stereogram of a galloping horse below, require some training and many people cannot do it at all: [![Galloping H...
[Question] [ I was looking a bit at the evolution of Stars and one thing I sometimes see floated is this idea that in the far flung future, when the sun has ballooned into a red giant and the earth burned to a crisp, the solar system's habitable zone has moved far out enough that Saturn's moon Titan has become a pret...
[Question] [ It seems that most of the technological development of humanity is dependent on our ability to form a society. The sharing of ideas and building on the discoveries of others is how we have advanced. If an intelligent creature on another world tended not to associate with others of the same species, could...
[Question] [ According to [this](http://www.reddit.com/r/askscience/comments/2d54bn/why_do_the_rings_around_a_planet_only_form_on_one/) Reddit conversation, the detritus around a planet tends to form into a single plane located around the equator given enough time. How long does this process take? Suppose a planet ha...
[Question] [ I am designing a genus of eusocial, high-temperature, extraterrestrials from the planet [61 Virginis b](https://en.wikipedia.org/wiki/61_Virginis_b). They are based on [tungsten chloride](https://en.wikipedia.org/wiki/Tungsten_chloride) and use [sodium chloride](https://en.wikipedia.org/wiki/Hypothetical...
[Question] [ This question already has answers here: [How many people can you feed per square-kilometer of farmland?](/questions/9582/how-many-people-can-you-feed-per-square-kilometer-of-farmland) (11 answers) Closed 1 year ago. This post was edited and submitted for review 1 year ago and failed to reopen ...
[Question] [ Centrifugal force effectively counteracts surface gravity making spinning worlds bulge and making gravity at the equator slightly less than at the poles. Hal Clement notably took this to an extreme with the planet Mesklin from Mission of Gravity, with 3g at the equator and around 700g at the poles... b...
[Question] [ I have an idea is for an FTL drive based on the theory that our universe is both Non-[Euclidean](https://en.wikipedia.org/wiki/Euclidean_geometry) and [Discrete](https://themathpage.com/Arith/cont-discrete.htm) at the [Planck Scale](https://en.wikipedia.org/wiki/Planck_length), but is instead better repr...
[Question] [ In my world-building project, a decades long orbital conflict has resulted in the trashing of Earth's orbit with massive amounts of debris, shipwrecks, and space junk. However, after an anomalous terraforming event, all this space junk magically consolidated into one large ring that circled the earth aro...
[Question] [ I have an idea for a space habitat [edit: as in, a habitat on another planet or moon, not in open space, apologies for any confusion!] which consists of two concentric domes made of tough, transparent material, with about 1 metre gap between filled with water. This serves as the habitat's reservoir o...
[Question] [ In an alien world, due to changes in the ecosystem animals that were once mostly arboreal started having to spend more time in open plains, adapting to fill a new niche of grasslands/bush eaters and predators. The predator in question evolved from a creature with long, four- fingered limbs, employing kn...
[Question] [ For context, I was reading about various research groups installing implants and cameras onto insects to use them as reconnaissance drones in high risk areas. I’m wondering how feasible it would be, to upscale this idea, to genetically engineer insects to appropriate sizes and enhance them with the requ...
[Question] [ This question on space stack begins to tackle how a bird could fly inside an O'Neill cylinder, <https://space.stackexchange.com/questions/27665/can-birds-fly-inside-an-oneill-cylinder>. Here is the video mentioned in the question of birds attempting to fly in zero G <https://www.youtube.com/watch?v=w4sZ3...
[Question] [ In my fantasy setting, slimes are a species of giant (about eight cubic feet), single-celled amoeba. They have the ability to freely change their state and viscocity, being able to "melt" into a slurpy fluid close to water, harden into a dense putty, or anything inbetween. What organic mechanism might a...
[Question] [ We all know the tale of Jack and the Beanstalk--a farmboy sells his cow for some "magic beans", which in turn grow into a mountainously tall stalk that led him to the land of a giant. Now, scientifically speaking, the only way for Jack to meet the giant is if the beanstalk led him to a habitable world wi...
[Question] [ I'm trying to not delve too into the sciences so as to keep things fairly suitable for a space opera setting, but I'm trying to figure a few things to a reasonable degree of detail. My question here is; Say you had a large spaceship (anywhere from a capital ship the size of the Galactica, or smaller ship...
[Question] [ Originally I was going to ask for help in the process of designing moons in general, but this is such a vast topic that I decided to narrow it down. I'm trying to create rocky moons or planets. I have great ideas, but I am struggling with the realism of creating the features of the surface. Consider the ...
[Question] [ Okay, we know the type-IIb FG muscle fibers are the strongest stuff we can use. So, the only thing we can do is attach more, but how? Dragons are 180 cm tall at the shoulders with a total neck+head length of 180 cm, a body 180 cm, and a tail 280 cm. Many of the body's bones are fused together, resulting ...
[Question] [ This question asks for hard science. All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. I ra...
[Question] [ I have been wanting to make a carnivorous reptilian creature with the ability to speak fluently using its speech muscles and its vocal tract, it can also perform facial expressions just like how humans do, but there is a problem, humans have complex facial muscles to allow them to speak properly and ther...
[Question] [ One thing that just about all interstellar civilizations need if they want to be anything more than long-distance friends is a way to get from their starships down to the surface of planets and back up again. In other words, they need some flavor of shuttlecraft that can survive re-entry into a planetary...
[Question] [ How do you cut through an unbreakable armor? With an all-powerful sword, of course. No really, if we had seemingly unbreakable matter (lets give it the original name of Unobtadamentium, or Uium for short), could we process it with, say, tiny black holes as cutters and tiny white holes as hammers/anvils? ...
[Question] [ My main question is, how plausible is this on Greece's side? The alternate-history world is set in present day. But during Greece's bankruptcy, they decided to sell of relatively uninhabited pieces of the country to outside powers. They would give water rights and land to the buyers and have no governme...
[Question] [ I'm currently working on a story treatment for a monster story. The story is sort of a love letter to many different genres and classic tropes employed and made famous by, John Carpenter, Ridley Scott, David Cronenberg, and George Romero. With a heavy dose of Ishiro Honda's early work with Tokusatsu film...
[Question] [ Randall Munroe humorously proclaims that he'd want to live in an example map in a geography book; [![XKCD](https://i.stack.imgur.com/aazts.png)](https://i.stack.imgur.com/aazts.png) That means that the geography varies wildly in a small area. Assuming the following: * This is on Earth or an Earth-like ...
[Question] [ Now I know that steampunk is generally done in around/past the industrial revolution (and that what I'm lookong to do may not technically even be steampunk), and for good reason. However I'm looking to build a world where a great calamity has struck an advanced civilization, throwing its people back into...
[Question] [ Stars and constellations have been for many civilizations,sources of wonder and mystery. We look at the stars so much, that we found patterns and shapes in the stars, and used them as guidance during sea exploration. Even today, universal laws and theoretical physics still stem from the stars. However, w...
[Question] [ This question is a subsidiary of: [Shapeshifters - Shared language between human and animal forms](https://worldbuilding.stackexchange.com/questions/35560/shapeshifters-shared-language-between-human-and-animal-forms) There is some of background information in that question, but none of it is critical for...
[Question] [ I was thinking of a sci-fi story where a large population of human beings (let's say anywhere between hundreds and millions) live on a planet with robot guardians. But after a certain amount of time living in isolation from the rest of humanity, their genetic code changes enough that their DNA is no long...
[Question] [ This question asks about traditional artificial wombs viability ([Is an artificial womb feasible?](https://worldbuilding.stackexchange.com/questions/24007/is-an-artificial-womb-feasible)). I was wondering if we could take an alternative route by using a biological womb instead. Is it possible that we cou...
[Question] [ [Canonical Definition:](https://worldbuilding.stackexchange.com/questions/22417/how-could-a-time-traveller-communicate-with-neanderthals) > > A Ssiws Army Man-portable Omnitool (more often referred to as a Ssiws Army Knife) can easily dispatch cave bears and moderately large dinosaurs, carve throug...
[Question] [ Last month Mobius asked [a question](https://worldbuilding.stackexchange.com/questions/18894/physics-issues-for-a-city-where-time-flows-in-two-directions/19240#19240) about a world where time can flow both forward and backward. I suggested a particular solution to the problem he was looking at, and I wou...
[Question] [ Setting: A version Medieval Europe where magic has always existed, but has evolved in a similar way to how technology changes, getting better with time. Eventually, someone figures out how to give a "sentience" to objects, given that the object meets some requirements. * Somewhere inside of the object th...
[Question] [ With news about the Faroe island solar eclipse, I wondered if a constant solar eclipse would be possible. Is it theoretically possible to move the moon or some large object into the L1 earth-sun Lagrange point or would it be too large? How else could a constant solar eclipse be achieved? What would be th...
[Question] [ In my fantasy world, Mainspring, the top of the oceans' food chain is the maculatum, a species of giant eel which originated on another plane/dimension. Maculatum reproduce asexually and wthout any intention: they constantly excrete an oily fluid slightly heavier than water which, upon pooling on the sea...
[Question] [ An early warning scout ship sits in deep space, making various kinds of observations and doing deep space science experiments, when suddenly a 2-kilometre-wide asteroid zooms past at about 0.9c on its way to ruin someone’s day. It takes all the observations it can as it passes and forwards them to home b...
[Question] [ I believe it'd be foolish to assume that magic wouldn't affect astronomical phenomena like stellar evolution, But since I'm not smart enough to create the equations for a new fundamental force, I have instead decided on one major effect (for now) existing on stars, and I wish to know how this would effec...
[Question] [ I'm trying to design an artificial microbe that could survive in the crust of icy moons and dwarf planets in the outer solar system, such as Pluto and Triton. I'm thinking of making them hydrogen-consuming methanogens, and basing them off azotosomes, artifical cells created out of nitrogen, hydrogen and ...
[Question] [ This is a submission towards the [Anatomically Correct Series](https://worldbuilding.meta.stackexchange.com/questions/2797/anatomically-correct-series/2798#2798%5D) [![enter image description here](https://i.stack.imgur.com/7mkxm.png)](https://i.stack.imgur.com/7mkxm.png) The leviathan, (in biblical term...
[Question] [ The continent of Enyvea is home to a diverse population of slimes. These amorphous creatures are blobs of viscous goo of mostly homogenous composition. In order to move, they draw magic from the background magical field and convert it directly into kinetic energy, propelling their whole body or parts of ...
[Question] [ From 2.4 to either 2.1 or two billion years ago, Earth underwent a surge in a waste product that we know as "oxygen". Before that, life thrived in an ocean rich with iron under an atmosphere loaded with carbon dioxide. This Great Oxidation Event has also been referred to as the "Oxygen Catastrophe" becau...
[Question] [ I usually like to leave some wiggle room for myself when fleshing a concept out. Dragons make that sort of impossible, same's true for nanomachines but ripped senators are a question for another day. I was trying to expand my wiggle room by asking these questions: [Would stronger tendons and bones allow ...
[Question] [ So, let's say there's a white dwarf star that has recently been born (by recently, let's say about 3 million years ago) Now around that time, a rogue planet, about the same size and mass as earth, came into the solar system and was pulled by the star's gravity, forcing it to orbit the star in it's habita...
[Question] [ On Earth, our atmosphere contains 78.09% nitrogen, 20.95% oxygen, on average around 1% water vapor at sea level, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Looking through this list not everything seems necessary for a habitable atmosphere. * Nitrogen is needed by plants, but n...
[Question] [ A planet recently discovered was explored and proved unworthy of terraforming: It is mostly made of carbonaceous minerals, classifying it as a carbon planet. However, one of the explorers does not see that as a hurdle. He seizes the opportunity to mine the abundant carbon and build space elevators us...
[Question] [ How do you go about building a working Earth-like ocean ecosystem from scratch in Europa's subsurface ocean? On Earth, abyssopelagic species have evolved to live more than 6km below the surface. Although Europa's ocean is estimated to be up to around 200km deep, hydrostatic pressure at the seafloor would...
[Question] [ In many countries, stipulated term criminal sentences (i.e., not indeterminate or "life") can be extremely long, well over a hundred years. The US is one well-known example. Assuming all other things equal, I'm trying to base an idea around the realistic impact/fallout/events would be, flowing from a not...
[Question] [ I'm building a very small homeworld (0.602 M$\_e$) with a very large moon (0.0711 M$\_e$) that orbit each other at a barycenter about 7.12 planetary radii (1 R = 0.870 R$\_e$) from the primary's center; 52.08 R from the moon's center. I'm trying to get a realistic model of geological activity on both wor...
[Question] [ ## Background: I am working on a super soldier transhuman/posthuman concept for my fictional world. It takes the base human genome then uses genetic engineering to augment, delete, enhance, add, and otherwise modify the resultant creature. I am aware that genetic engineering is mostly speculative at this...
[Question] [ I'm designing a story where I'm taking current situations and trends such as market and cultural globalization, massive state debt and constant corporate mergers to a semi-dystopian extreme in order to build a fictional world where: * Newly created private companies almost automatically become part of on...
[Question] [ What medical problems might a resurrected person have that would be annoying but not completely debilitating, focusing on the joints and bones specifically? Yes, this is a magic world, but I want to do things that do make sense, in some way and track logically if at all possible. There are lots of sc...
[Question] [ Need ideas for the evolution of the kumiho, the Korean nine tailed fox that is native in the Korean peninsula. First of all, this species is sexual dimorphic so both sexes would look different from each other both in appearance and maybe their mode of early life before forming a pack. While the vixen res...
[Question] [ Closed. This question is [off-topic](/help/closed-questions). It is not currently accepting answers. --- This question does not appear to be about worldbuilding, within the scope defined in the [help center](https://worldbuilding.stackexchange.com/help). Closed 7 years ago. [Improve this que...
[Question] [ Closed. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- Want to improve this question? Update the question so it can be answered with facts and citations by [editing this post](/posts/56920/edit). Closed 7 years ago. [Improve this question]...
[Question] [ Assumptions - atmospheric pressure is 3 atm, but partial pressure of oxygen is comparable to earth, the rest is mostly nitrogen. Planet is tidally locked and insignificantly heavier. (for simplicity reasons, I assume that humans are able to adjust to that pressure, it is generally below the amount that c...
[Question] [ Suppose the worldbuilding itself is an artistic creative effort, rather than just a means to write a good novel. People have asked about [software for organizing information](https://worldbuilding.stackexchange.com/questions/499/what-software-is-available-for-keeping-and-organising-notes-about-your-world...
[Question] [ This is a calendar question, for the Fortnightly Topic. # Background On planet Polarworld, a future alternate Earth, the ambient temperatures are so intense that the only habitable areas are at the poles. Now for reasons that almost certainly aren’t relevant to this question, this situation was not ...
[Question] [ I have a scenario that I have, and I feel like I have it fairly well developed, but I can't shake the feeling that there's something more to it than I expect. So here's the scenario: The Draconi are a race, effectively, of dragons in human form. Think lizard-men, but able to breathe fire. They exist ...
[Question] [ Here on earth, the moon is this big white thing that lights the world and hangs in the sky. Every culture on the Earth has incorporated the moon into some of their legends. Sometimes as a woman, sometimes as a man, sometimes as a major god, sometimes as a lesser god. However, on an forested moon of Earth...
[Question] [ ## Background In my magical version of Earth's history, at around the time that humans became anatomically modern 200,000 years ago, a variant of the human female gender arose with batlike wings around 6m wide when extended and feet that are more like birds' talons, who could fly thanks to the presence o...
[Question] [ Referring back to <https://worldbuilding.stackexchange.com/questions/2781/magic-came-back-catastrophes> In the interest of narrowing questions down, I am splitting these out into particular elements and element combinations. So, in summary, Ley Lines have just become active again on Modern Earth, and are...
[Question] [ Remember Journey to the Center of the Earth? The premise is that there's some kind of cave in the center of the Earth, which has an ecosystem inside it. Well, of course you can't do such a silly cartoonish thing with a planet like Earth. Firstly, it couldn't form naturally, and you couldn't create it art...
[Question] [ The following creatures, in order, are a sandgroper, a mole cricket and a mole, all creatures that are well adapted for life underground: [![enter image description here](https://i.stack.imgur.com/rLkCB.jpg)](https://i.stack.imgur.com/rLkCB.jpg) [![enter image description here](https://i.stack.imgur.com/...
[Question] [ I'm designing planets of varying atmospheric pressures. How would increasing (or decreasing) global atmospheric pressure affect the amount/frequency of precipitation over a planet? [Answer] On Earth, low atmospheric pressure is tied to rain and storms. Lighter air is moving upward vertically, carrying...
[Question] [ One of the problems with [scaling up creatures](https://worldbuilding.stackexchange.com/questions/109716/how-can-we-scale-up-living-creatures-to-be-giant-sized) without increasing their proportions is that their muscles won't be strong enough to support their weight due to [the square-cube law](https://e...
[Question] [ [Apparently the earth had a methane haze in its early history](https://phys.org/news/2017-03-early-earth-hazy-methane-filled-atmosphere.html), but of course this would not have been habitable to us as the atmosphere would have been toxic. You would need enough of something to create a hazy layer but not ...
[Question] [ Presented here is a map of Earth with the fictional continents resurfaced, by the Redditor "Stagman1111": [![enter image description here](https://i.stack.imgur.com/Kcazb.png)](https://i.stack.imgur.com/Kcazb.png) [Source](https://www.reddit.com/r/imaginarymaps/comments/964ufb/lost_continents_resurfaced/...
[Question] [ So, I'm creating a world for a science fantasy setting. It has magic and such, but since it's mainly taboo to use it, I want the world's climate to be based on hard scientific facts. My world has an axial tilt of twelve degrees, creating much milder seasons than on Earth, and expanding the temperate zone...
[Question] [ The moon would be similar to Earth in size and composition and the gas giant comparable to neptune or uranus. * Will the periods of eclipse of the the giant have an effect on climate? * What about the tidal force? * Will being closer to the sun or farther from it on the other side of the giant have any r...
[Question] [ I need a plant that acts as a very relatively effective, portable source of stored chemical energy. I figure the best way to do this is to have a plant/plant-like organism that stores its unused energy as primarily adipose tissue instead of starch. I’ve currently settled on a tuber / potato-type thing th...
[Question] [ Now, there are monsters in this world, not exactly the most original though. You have your vampires, werewolves, zombies, wights, etc... Monsters were always at odds with humanity, especially the Church. While monsters were physically stronger and faster, mankind had the numbers and the Church, and the C...
[Question] [ The technical challenges for [Breakthrough Starshot](https://en.wikipedia.org/wiki/Breakthrough_Starshot#Technical_challenges) list the huge amount of power required for accelerating a solar sail to interstellar travel speeds and the precise targeting of laser beams of that energy as difficulies. On the ...

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