All Questions
87
questions
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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 ...
- 91
0
votes
0
answers
32
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Effects of Day/Night divide on airflow patterns on a binary planet
I'm currently working on a project with a binary planetary system (both planets are around .8 earth mass with some variation), and naturally, the planets are tidally locked to each other, leading to a ...
- 517
5
votes
2
answers
231
views
How would weather on a Cube-World with uniform surface gravity behave?
In a cube-world with uniform surface gravity with mildly rounded corners, how would weather behave? The Cube-world is roughly earth-sized, with the edges rounded by about a hundred kilometers. Gravity ...
- 191
7
votes
1
answer
77
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Weather on a Hot Saturn
So, out of curiosity and for the purposes of a roleplay universe I am making, I am curious about the weather on a Hot Saturn. This planet, nearly identical in mass, composition and size to Saturn, is ...
- 413
3
votes
1
answer
83
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Water distribution on tidally locked planet with small northern ocean
Possible repeat of this, but the northern ocean wasn't really addressed.
Picture a mars-like planet, with a rocky, mountainous southern hemisphere, and a flatter, low-elevation northern hemisphere. ...
3
votes
2
answers
129
views
Would a planet whose sun is always in one place have weather?
The world I’m writing atm has a planet whose sun is described as being permanently moved above its North Pole. Because of a lack of technology (and interest) in outer space, they wouldn’t have a ...
- 31
4
votes
1
answer
173
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Weather and climate of an Earth-like planet orbiting an orange dwarf
I am creating a solar system with fictional planets as a setting for my space novel.
Luckily I have some nice tools for creating quite accurate astronomical data. The planet where my protagonists live ...
3
votes
2
answers
884
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How would weather work on a planet with no rotation and constant sun on all sides?
A while ago I had an idea of a man made planet that consist of a thick, incredibly strong, outer crust, and at the core there is an antigravity/antimatter device that also produces consistent heat and ...
3
votes
3
answers
173
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Would the substellar point on a tidally locked planet with a large continent over that point and oceans around the edges be covered in rainforest?
I have been working on a tidally locked planet for some time now. During this time I have worked under the assumption that the substellar point would be arid because of the constant bombardment of ...
- 31
4
votes
2
answers
359
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A 1:1 tidally locked world begins to spin. What sorts of non-solar natural disasters occur?
As stated a tidally locked world that has complete 1:1 begins to spin slowly. It starts slowly, a 2:1 ratio that steadily ramps up over the course of a month to one rotation every month, which would ...
- 1,206
2
votes
1
answer
232
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Clouds on a tidally-locked planet
I have an ocean world in my science-fiction universe which is tidally-locked to its star. The planet is a tidally-detached moon from one the gas giants in the outer system, and orbits a red dwarf star....
- 8,651
2
votes
1
answer
144
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Would a planet with a retrograde spin function as if it were spinning faster or slower?
I am thinking in terms of the Coriolis Effect, atmospheric circulation and specifically Hadley Cell latitudinal width here, but the base question still stands.
For ease of reference, if we take a ...
- 739
2
votes
0
answers
141
views
Climate types for large volcanic islands on tidally locked planet
My planet is tidally locked to a red dwarf, which itself orbits a yellow sun like our own. It has roughly the same atmospheric conditions as Earth (perhaps a slightly thicker atmosphere, but not ...
- 956
5
votes
1
answer
271
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Could this sort of celestial system work?
I am attempting to create a pair of planets, both capable of harboring life. Which happens to also be quite colossal in design. We are talking about 10.13x the size of Earth.
So the system I am ...
- 51
1
vote
1
answer
129
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How much would Earth's temperature change if days were 28 hours long?
I know it would be colder at night and hotter during the day, but by how much? And it would impact atmospheric pressure, right?
4
votes
2
answers
185
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What are the challenges of living on a planet with constant meteor showers?
I have been thinking of a planet that has or is experience(ing) a lunar holocaust; moon broke into pieces and many of them fell to the planet. Initial disasters probably caused a massive mass-...
- 1,206
7
votes
3
answers
502
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Can my Planet Have Liquid Water at the Poles -- But Only During the Winter?
I have a planet about the size of earth. It is a desert planet with an atmosphere at 0.1 atm, made of 90% co2 and 10% n2. Water at this pressure should freeze at 35℉ and boil at 125℉. The planet has a ...
- 611
0
votes
2
answers
72
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What would the weather be like on an earth like planet the size of Jupiter? [closed]
Let’s get this out of the way: yes, I have considered the fact that there would be a massive gravity difference, but I have figured out a way around it. (It’s implausible in our reality, but works for ...
- 87
1
vote
0
answers
92
views
Weather patterns on a world with a homogenous distribution of land and ocean?
What would the weather patterns be like on an Earth with a more homogenous distribution of land and ocean? That is, keep the overall amount of water the same, the ratio of water to land the same (...
- 11
2
votes
4
answers
177
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Would a planet with stronger winds create more interesting landforms through weathering?
If I design a planet with stronger winds (maybe on average 40 mph, rather than the 7 mph average winds we have here), would interesting land formations be more common due to increased wind erosion, or ...
- 975
3
votes
2
answers
145
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Is my map of prevailing winds on a binary planet realistic?
My binary planet consists of a Venus sized earth-like planet, tidally locked to a mars sized “super mercury”, with their centers separated by about 7 Venus radii. I know the coriolis effect would ...
- 611
1
vote
2
answers
277
views
Is this an accurate environment for life on a super Earth speculatively?
My alien planet is a super Earth. It revolves around a K-type star in the habitable zone and has a lower gravity. The mass is that of 2 Earths(or how ever superearths mass normally are).The atmosphere ...
- 491
5
votes
1
answer
70
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How could I design storms in an arctic setting that would logically become more severe as a result of a changing climate?
Part of my story is set on an arctic planet (think something along the lines of Hoth or just some planet deep in an ice age) where a research team is sent by a major intergalactic corporation. I want ...
- 326
29
votes
11
answers
5k
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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
1
vote
1
answer
48
views
How can a planet's seasons be only controlled by either its land, sky or water?
I have a planet established (similar to Earth) which instead of countries has 3 main zones of habitation: land, water & sky. Each supernatural inhabitant looks after one natural part of this ...
- 532
5
votes
3
answers
210
views
How Do I Make Trappist-1g Habitable (in a fantasy setting)
This question is not about terraforming! (or atleast not technological terraforming)
I am writing a fantasy story set in the (real) Trappist-1 system. I am trying to faithfully keep most of the ...
- 2,058
2
votes
2
answers
384
views
Weather in a desert planet
Neviat, it is a desert planet with 81.5% of the Earth's atmospheric pressure and 80% of its gravity, it is generally dry but has many lakes and oases at its poles, the temperature across the latitudes ...
- 619
1
vote
1
answer
250
views
What would the Climate effects of a Circum-Equatorial current be on a world with 0 degrees of axial tilt
The basics of my worlds oceanography is that there is one large ocean that covers one side of the world completely, and in-between the northern and southern continents on the other side of the world, ...
- 2,058
4
votes
1
answer
1k
views
What would the atmosphere of the Archaean Earth look like? (Before massive oxygenation)
I am designing an exoplanet in the Alpha Centauri system that is remarkably like ancient Earth before photosynthetic life developed and proliferated oxygen into the air.
For Archaean Earth's ...
- 405
5
votes
2
answers
465
views
Ring of storms around a planet
I'm looking to see if it's possible to create a planet which has constant, violent storms occurring in a ring around the planet.
There's been plenty of questions on here about weather on tidally ...
- 450
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
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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
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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
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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
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votes
4
answers
539
views
Would storms on an ocean world harm the marine life?
On a habitable world completely covered in water, with no land above sea-level, there would presumably be storms of biblical proportions. Suppose this world has oceans so deep that the deeper layers ...
- 14.9k
4
votes
2
answers
241
views
How does steppenwolf planet generates typhoon?
In a distant future, a spaceship was investigating a gravitational anomaly somewhere within a chartered sector in the Andromeda galaxy. A disaster strikes and the spaceship was found marooned on a ...
- 48k
-1
votes
1
answer
274
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What would climate be like on a tidally locked planet? [duplicate]
How would climate behave on a tidally locked planet? Would there be zones like the ones on earth or not?
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5
votes
4
answers
510
views
How can Mars have life but still be "The Red Planet"
Building on this question "Discovery of life on Mars"
Mars is habitable (40% the mass of Earth, 6.06 m/s² gravity, escape velocity of 7.88 km/s, a satellite big enough to stabilize its axis and has ...
- 177
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