All Questions
87
questions
2
votes
1
answer
176
views
How can a planet have relatively common lethal hailstones?
Sometimes hailstones reach sizes that are deadly to large animals and people and livestock have been killed. This is a relatively rare occurrence on Earth of course. If I want a planet where lethal ...
- 1,154
4
votes
4
answers
589
views
World with two directly opposed habitable continents, one hot one cold, with significant geographical barrier between them
I'm trying to design a planet with two continents where one is always warm/hot and the other is cool/cold. The continents should be directly opposite each other (so not a pole and an equatorial one). ...
- 43
4
votes
2
answers
310
views
What is the ideal day length for extreme weather?
This question is in reference to a previous question by TrEs-2b and SRM:
I want to create a planet with a significantly longer day than Earth's. However, I was only able to find a question about a ...
- 1,583
4
votes
1
answer
373
views
Tidally Locked Planet with no Oceans
Picture an earth-mass, breathable atmosphere planet; tidally locked to a red dwarf; orbiting far enough out that the dayside is not scorching; and with no planet-wide liquid oceans (but probably local ...
- 93
-2
votes
1
answer
74
views
Is my air pressure system okay? [closed]
Second question here. So in a previous question I got told to make a wind system to determine precipitation, which in turn needs and air pressure system. I've attached two images, the first is when ...
- 87
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
5
votes
8
answers
3k
views
How Would I Make an Oceanless World Feasible?
The planet I'm thinking of is of similar size and distance from its star relative to Earth, but it lacks oceans, instead consisting of one massive continent with a huge mountain range (reminiscent of ...
- 5,986
9
votes
4
answers
383
views
If we dug a really big hole on Mars, how long would it last?
How long will a 400 km wide 30 km deep pit (trench or crater) with a relatively shallow (for stability) gradient of slope of 20 degrees from the edge to the surface of the planets crust be expected to ...
- 9,673
5
votes
4
answers
364
views
Can a Jupiter-Like Gas Giant Have Deep, Dark Storms?
For this question, I was inspired by the following image of the "Jupiter Abyss":
What I want to know is, can a Jupiter-like gas giant have thousands of giant black storms, kind of like what I've ...
- 6,312
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
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
1
vote
1
answer
240
views
What's the climate consequences of a planet with these characteristics?
I'm designing a new planet, but I'm having some troubles figuring out the climate.
The planet's rotation axis is at a 45° angle relative to its orbital plane, and each rotation takes 24h.
The planet'...
- 1,402
6
votes
1
answer
181
views
What set of circumstances are most likely to lead to a planet with a climate resembling the Great Plains?
Part of my story will be set on a planet where a culture similar to that of the Old West has arisen - cowboys, frontier towns, homesteaders, etc. In order to make this development more plausible, I ...
- 609
5
votes
3
answers
331
views
Planet with Gridlike Seas
An Earth analog had been modified by an advanced species to have saltwater seas in an interconnected grid across the planet's surface. The planet has no true oceans and only the large grid network of ...
- 2,900
2
votes
1
answer
296
views
Meterology of double planets sharing an atmosphere
If two planets were tidally locked and shared an atmosphere, as described in this question, what would the weather patterns of the planets be like? What weather patterns would form, and could these ...
- 885