Unanswered Questions
32 questions with no upvoted or accepted answers
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Roughly how big could the tidal range be on a human habitable Earth analogue world?
The Gravitational tidal forces can be supplied by any orbiting moon(s)/twin planet(s) of any mass and any orbital radius, inclination or orbital radius, but the system must be stable for at least 10,...
5
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279
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How magnitude affects angular diameter/resolution
Let's say you look at two relatively dim stars in the night sky. They are close to each other, but they are far away enough that you can distinguish one from the other. But what if one of them is much ...
3
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1
answer
110
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How exactly do wind patterns work on a polar continent without a circumpolar current?
I've seen many worldbuilding tutorials that gloss over this, but I leave confused. I am aware that a perfect landless planet has wind patterns that look roughly like this:
with high pressure zones on ...
3
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2
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397
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How to build a giant city in a harsh environment?
In my world, there is a magic civilization. They are on a far away continent, but it is harsh and snowy. In the current time, they have now giant cities, the main ones being a mix of both steam and ...
2
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0
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71
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How would temperature extremes from summer to winter vary from ours if an Earth-like planet had an orbital period 4 times that of Earth?
I am imagining a world orbiting an F2 star, temp 7050K, at 2.87 AU, which I believe would be in the habitable zone and give an orbital period 4 times that of Earth. This is soft science fiction, so ...
2
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232
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Soil Types Sanity Check
I'm in the process of making a strategy game. I am using the FAO soil classification system for handling soils; the soil in a given tile has four characteristics:
production limit (how much food you ...
2
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0
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209
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Which would be the Koppen-Geiger climate distribution of this map?
The existence of closed seas makes it difficult to me, especially the East one. I have it clear that in the souteast region the climate would be influenced by monzoon, but if the world has only one ...
2
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1
answer
234
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Hand structure of a 4D person?
Consider this a long overdue follow-up to Limb structure of a 4D creature.
The ancestors of our 4D people have limbs with a complex hip/shoulder which can rotate in any of six planes (XY, YZ, ZW, XZ, ...
1
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1
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134
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Radius on the Ground of floating Islands
I am having a bit of trouble with the math of figuring out how much of the ground under a flying island would be in complete shadow and what would be in the penumbra.
I know there is some math with ...
1
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1
answer
181
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What would the climate be like on the continent on my planet?
This planet's climate is the same as Earth's, only the inclination is different (25°) and the global temperature is either the same or 1°c higher. The planet is slightly larger than the Earth, 7092km ...
1
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0
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166
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Astro-Mechanics: Plausibility check for binary system merge
I have a binary system composed primary about a brown dwarf and a k6.6V star that's the fusion of the system 1 and 2 7.41 billion years ago, I'll tell you the story and I'll ask the question after the ...
1
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I may have made an error in calculating my spin-orbit resonance
I have a very warm planet named Phoenix I'm worldbuilding that's 1.2 times the mass of Earth, with a density somewhat smaller at 5.2 g/cm^3, orbiting at a distance of 0.1 AU from it's star in 10.2 ...
1
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0
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164
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Are these ocean currents for my planet plausible?
This is my first attempt at worldbuilding anything at this point. I heavily modelled my first planet after the Earth as my baby steps. I wanted to experiment with how climates on the planet would be ...
1
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0
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What will be temperature in inland depression deeper than 2 km below sea level (48° southern latitude) and how will temperature gradient work there?
My another question related to already introduced planet Artemis is related to temperature gradient. Whether it will work also in depression deep under sea level and if yes what could be increase of ...
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Wind patterns on a tidally locked planets contradict my logic (looking for correction)
My take on the wind patterns on a tidally locked planet (TDL) does not lead to the information given in papers and videos. Please tell me where I went wrong.
My take:
On a TLP, the sub-solar point is ...