All Questions
8
questions
1
vote
1
answer
127
views
Cooling the Indian subcontinent using tibet [closed]
The Indian subcontinent is at the same latitude as the Sahara desert, and if not for the Tibetan Plateau reversing the Haileys cell, would have the same enviornment. The plateau causes rain in the ...
- 109
2
votes
1
answer
79
views
How To Approach a Range of Albedo in A Given Latitude Range When Estimating Temperature?
There's a lot of information about figuring in the average albedo of a planet when calculating the base temperature for a planet. What if you want to get more granular, down to each (let's say) 10 ...
- 606
1
vote
1
answer
207
views
Given atmospheric composition, density and scale height, planetary radius, and escape velocity, what is the lapse rate?
My planet
Mass = 0.602 MEarth
Radius = 0.870 REarth
Density = 5.04 g/cm3
vesc = 9.3 km/s
Temperature = 272 K
My atmosphere
74.84% N2
22.04% O2
1.38% CH4
1.25% Ar
0.27% H2O
0.11% CO2
...
- 747
1
vote
2
answers
234
views
What atmospheric composition do I need to sustain Earth-like temperatures at my planet's orbital distance; how close should my asteroid belt be?
I need to heat my planet and I've decided that the two most plausible and controllable ways to do so are by increasing the amount of bombardment by meteoroids from a nearby asteroid belt, and by ...
- 747
5
votes
2
answers
393
views
Is a snowball planet a necessary step in the evolution of a life-sustaining ocean planet?
Still working on that world with with a 93% ocean covering. My star Xat is 1.71 LSol, and my planet Jasmi orbits at 2.14 AU. I've been warned that the resulting apparent brightness of about 37% Sol ...
- 747
6
votes
5
answers
4k
views
How long could someone survive in "Sky cell" like prison?
In the fiction, A Song of Ice and Fire/Game of Thrones, one high castle in the mountains, the Eyrie, has so-called sky cells. Those cells are left open to the cold sky.
The Eyrie is 600 foot/180 ...
- 6,748
6
votes
4
answers
725
views
Temperature on a 14-days day planet
In this question I asked about temperatures on a planet where a day last 30 days. The data are the same:
stellar flux of 1.118
albedo between Earth's and Mars's
atmospheric composition of 18% oxygen, ...
- 610
6
votes
1
answer
576
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