All Questions
87
questions
9
votes
10
answers
535
views
What kind of planetary conditions would prevent or severely limit air travel?
So I have a planet that is slightly larger than Earth, orbits an orange star slightly closer than earth orbits the sun, has extreme weather patterns and volatile tectonics. It has bad storms, ...
- 5,293
7
votes
1
answer
391
views
Weather Effects in CO2 + Methane Atmosphere Planet?
I'm currently in the midst of a trilogy of novels. The planet is a swamp world with $.87$ g's of gravity, no axial tilt, $15.12$ psi atmospheric pressure, and whose mass is $.92$ of Earth.
...
- 1,180
38
votes
2
answers
6k
views
Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Correct?
I'm an artist and I've been trying to find a comprehensive resource that would help me clearly identify likely sky colors for exoplanets that have atmospheres with a similar chemical composition to ...
- 1,150
7
votes
4
answers
849
views
Can a dual planet have an orbit around the Sun similar to Earth's?
This is a sequel to my previous question How big could a moon be before its orbit became too unstable or tidally locked to its planet
OK, let's imagine that the thing everyone thought was a moon was ...
- 1,405
16
votes
3
answers
3k
views
A planet with all of its water underground
Question: Could a planet contain all of its (vast) oceans underground?
I imagined a planet with no surface oceans - and no water cycle above ground - but where life was still possible.
My initial ...
- 707
9
votes
4
answers
1k
views
Cauldron of Storms: Geography to create and isolate localized mega-storms
Welcome to the Black Cauldron. The Cauldron of Storms, even. It's a sunny day now, perfect for fishing. Just not here. There's no boats on the water. The weather can go bad, quickly. And anything on ...
- 11.6k
4
votes
3
answers
389
views
What are the atmospheric conditions on a planet tidally locked to its moon?
Assume that we have a earth like planet,orbiting a sun like star. On which have all the right ingredient:atmosphere,liquid water,molten metal core.....etc for the existence of the life as we known it. ...
- 41
13
votes
6
answers
2k
views
Liquid water on both sides of a tidally locked planet. Feasible?
I'm brainstorming for a rocky planet with similar mass to that of Earth's, orbiting a red dwarf star. It is tidally locked with no natural satellites, yet I'm bent on having liquid water on both sun-...
- 139
6
votes
5
answers
1k
views
If our moon had an atmosphere, could it have seasons?
Because our moon is tidally locked with Earth, then the same half always faces the Earth regardless of where the Moon is in its orbit. As such, would a tidally locked satellite such as our moon (...
- 61
8
votes
3
answers
1k
views
What would weather look like on a world with a 9-year day?
In a world I am building, the planet's days are longer than its years, with a single day taking 9 years. In all other ways, this planet is similar to Earth, but are there other differences I am ...
- 56.2k
2
votes
4
answers
840
views
What would a planet be like if it had no oceans, just large lakes? Would it be habitable?
I have a planet I'm working on which is inhabited by war tribes. They fight all the time. They can hunt and farm a little bit but they mainly fight to the death. There are billions of these beings on ...
- 203
4
votes
3
answers
200
views
Effects of an alien weather generator?
An alien race wants to test out its new technology that modifies the atmosphere of Earth and other terrestrial planets, they decide to center it over Central Park, NYC. One of the first things they ...
- 2,319
4
votes
2
answers
1k
views
Can we make rain on Mars?
Farmers use dry ice(CO2) to seed the cloud on Earth, can we do the same for Mars? The acidity doesn't matter it can be any element or compound as long as we can recognize it as precipitation, as usual ...
- 48k
23
votes
3
answers
1k
views
Circulation patterns on a tidally-locked binary planet
A targeted hard-science spin-off from this question:
In a tidally-locked planet that rotates about a barycentric point that’s located outside of its own sphere, what would the coriolis forces be like?...
- 69.6k
6
votes
2
answers
410
views
Can a terrestrial planet have a long lasting hurricane like the great red spot?
I want to create a terrestrial planet with a very long lasting hurricane similar to the great red spot, I assume the planet will have to be covered by ocean. Could there still be some small islands? ...
- 2,319