All Questions
Tagged with science-based atmosphere
279
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What color would the sky be in a multi-star system?
In this scenario, an Earthlike planet is situated in a quaternary solar system clumped into two binaries--a Parent, in which the planet orbits, and a Grandparent, in which the Parent binary orbits.
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How will the monsoons work in this boomerang-shaped supercontinent?
Back and forth, I have created a fantasy supercontinent shaped in the likeness of an asymmetrical boomerang, with its elbow enlarged to resemble a fish’s head pointing westward, its lifting arm long ...
-2
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2
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85
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In a fantasy world with an inconsistent atmosphere, which latitude would have an atmospheric density of 1.0 Earths?
Imagine, if you will, a fantasy world so fantastical in regards to physics that one of its telltale signs of disregarding the laws of physics is how atmospheric density is tied to latitude. At zero ...
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Can a bird fly if the polar atmosphere is this thin?
Imagine, if you will, a fantasy world so fantastical in regards to physics that one of its telltale signs of disregarding the laws of physics is how atmospheric density is tied to latitude. At zero ...
2
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2
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121
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What are some plausible, long-lived geophysical planetary processes which would consistently maintain reddish skies in a human-breathable atmosphere?
Note for clarity: By reddish skies I mean being reddish in the same way Earth's skies are blue. This should apply to the skies in general (not a localized effect), and it's preferable that it's an ...
2
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4
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142
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How would these floating plants not need to constantly adjust their gas bladder?
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
4
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1
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116
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How would these floating plants concentrate neon?
I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with some ...
5
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2
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95
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Microorganism chemosynthesis on an Ammonia planet
I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
4
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5
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How would fire behave in an oxygenless atmosphere with a significant percentage of chlorine?
I’m mostly interested in chlorine since (as far as I understand) it’s the most viable, but I’m open to others as well (if it’s worth it).
I’ve been working with a sort of “worldbuilding challenge” on-...
1
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1
answer
120
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Characteristics of a moon harboring huge flying creatures?
I’ve been thinking for a while about an extraterrestrial species I had in mind that more or less resemble very large four-winged four-legged birds, and in the name of ensuring I don’t handwave an ...
7
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2
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Could a cold-cored planet be protected by a hot-cored moon?
This is an earth-sized planet, unable to produce an adequately protective magnetic field. Could a moon with a hot, iron/nickel core produce a magnetosphere large enough to encompass the planet and ...
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How would hydrostatic skeletons respond to different atmospheric pressures?
I'm wondering whether atmospheric pressure (high or low) would have any impact on the favorability of hydrostatic skeletons. Obviously hydrostatic skeletons work well in water, but I'm not sure if a ...
1
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Atypical Habitable Planets - Planets Outside of Typical 'Habitable Zone' With Characteristics Still Conducive to Life
Warning: I am wordy and I overexplain things. I'm also Autistic, so I may come off as odd or unusual (and that also feeds into why I overexplain LOL). I'll do my best to be clear and concise, but you ...
3
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2
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707
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What atmospheric composition would this planet need for an avg. temperature of 50 Celsius?
Planet Info:
Star: 1.25x solar mass / F6V Type / ~6300K / 1.97x Luminosity
Planet is 1.84x Earth Mass, same density as Earth
Orbiting at 1.42 AU
atmospheric pressure is 3.68atm
Inputting these ...
6
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2
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308
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How does one calculate the baseline color of a world's sky, clouds, snow, and water?
I'm working on a planet for a book I'm hoping to write. I want it to be scientifically accurate wherever possible. I know that suspended particles can completely change these colors, but it looks like ...