All Questions
14
questions
53
votes
2
answers
17k
views
How would winds behave on a tidally locked planet?
If an earth-sized planet were tidally locked to a star, and was in the life zone of its star with an earth-like atmosphere, what would its wind patterns be like?
The planet would have one hot ...
- 46.4k
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
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
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
6
votes
1
answer
287
views
How could seasons work on satellites?
This is a followup to my previous question concerning the potential orbits. I've decided on a barycenter with each body in its own orbit--the primary planet having the center orbit, the first moon ...
- 665
2
votes
2
answers
706
views
What would happen to the Earth if it were suddenly transported to a completely empty void? [duplicate]
The entire planet Earth is suddenly teleported (never mind how for now) to a completely empty space. No sun, no moon, no stars or other planets. There's absolutely nothing out there and it appears ...
- 4,948
29
votes
9
answers
6k
views
Keeping an "hot eyeball planet" wet
Consider such a tidally locked planet:
Many issues with tidally locked worlds have been discussed, but I'm not clear on how the water cycle for an otherwise Earth-like tidally locked world, would be ...
- 765
6
votes
1
answer
577
views
Temperatures on a planet with long days
I have a planet with a stellar flux of 1.118, an albedo between Earth's and Mars's, an atmosphere composition of 18% oxygen, 13% argon and 69% nitrogen with a sea-land pressure of 0.87 atmospheres and ...
- 610
31
votes
10
answers
9k
views
How can glass marbles naturally occur in a desert?
I had a dream that on my alien planet, there was a large desert that had naturally occurring glass marbles in the sand. My dream logic was that the sand was melted into glass and natural weathering ...
- 1,183
29
votes
11
answers
5k
views
Can a habitable world rain glass?
Requirements:
There is a solid surface.
Somewhere on the surface, the temperature exceeds 2,230 C, such that pure silica vaporizes.
Elsewhere on the surface, the temperature is at most 25 C, such ...
- 42.4k
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
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
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
2
votes
4
answers
168
views
How Could A Planet With Extremely Enlarged Subtropical Zones Exist?
In my Book Series, I want there to be a vaguely Earth-sized planet called Awal with an Earth-like atmosphere. However, climate-wise, I need the subtropical climate zones in each hemisphere to cover 40%...
- 5,986