Questions tagged [atmosphere]
For questions about the gases which surround a planet or some other celestial body.
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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 ...
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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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What would the weather and climate be like on an Earth-size Mars with an atmospheric pressure of 1 atm? [duplicate]
Assuming the planet still has the same atmospheric composition as the real-world Mars (95% CO2, 3% N2, and 1.3% Ar) and has a global temperature of 284K (10.85°C) based on the answer to my previous ...
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What if Mars were the same size as Earth with an atmospheric pressure of 1 atm?
With the abundance of carbon dioxide, and yet being 1.52 times farther from the sun, would it make the Martian temperature cold or hot?
I am assuming that the composition of the atmosphere remains the ...
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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 ...
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Evaporation phase runaway greenhouse planet, getting temperature and air pressure values
According to this video:
When Earth reaches the Komabayashi–Ingersoll limit, it will reach the point where a runaway greenhouse can occur. In the evaporation phase, Earth will end up with an ...
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minimum atmospheric nitrogen for nitrogen fixation?
what is the minimum partial pressure of atmospheric nitrogen for nitrogen fixing bacteria to actually convert nitrogen into usable forms like ammonia? currently writing history for life within a 120 ...
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What are some plausible means for increasing the atmospheric pressure on a post-apocalyptic earth?
I want my post-apocalyptic science-fantasy setting to be at least plausible enough for people to suspend their disbelief comfortably, rather than having to ignore obvious physical fallacies. I want ...
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If ancient Venus really were once habitable, what was its atmospheric composition and average surface temperature? [closed]
Some sources claim that billions of years ago, Venus may have had much cooler temperatures, enough for liquid water on it’s surface and these clouds on the day-side of Venus would raise Venus’ albedo ...
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How much Methane could reasonably exist on a world with 6% (60,000 ppm) Oxygen in the atmosphere?
Let’s say I have a world that has an atmosphere similar to both Titan (lots of Nitrogen and organic compounds) and Earth during the Boring Billion. Oxygen is present on this world, but only about the ...
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What would happen to the sky colour if SO2 made up 95% of the atmosphere? [duplicate]
Because of the Rayleigh scattering phenomenon, I'm interested in how the G2V-type star light would interact with this composition, especially how it would change the colour of the sky. What kinds of ...
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Dark clouds on gas giants
One of the gas giants in my star system has large areas of its atmosphere filled with cloud layers that are pitch black when looking at them from space.
What material could those clouds be made of to ...
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How to prevent ice caps from forming on cold planets?
I am currently working on one of the planets in my system, called Opea. Opea is a roughly earthlike planet in the furthest edges of its star's habitable zone (receiving half the sunlight as Earth), ...
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High atmosphere combat - designing the optimal bomber
I've done a bit of research about high atmosphere bombers, but none of my searches really address my issue.
What features would allow a combat bomber craft to excel at high atmosphere (thermosphere-...
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