All Questions
11 questions
23
votes
4
answers
2k
views
How would solar activity change if the Sun was impacted by a planet?
Suppose that a planet whose size was somewhere between the sizes of Mercury and Jupiter impacted the Sun. Would such an event change local stellar activity sufficiently enough and for long enough ...
- 5,360
15
votes
3
answers
474
views
Planet illuminated by blue-shifted relic radiation
Are there realistic circumstances that a planet would be accelerated (either artificially or naturally) to the speed at which relic radiation becomes so blue-shifted that the planet is illuminated so ...
- 5,360
10
votes
2
answers
1k
views
Seasons on a planet that's tidally locked with the smaller star in a dual-star system
Consider a dual-star system, with the distances between S (larger star) and J (smaller star) similar to Sun–Jupiter. A planet P rotates around J on a 90-degree ecliptic and is Earth-like otherwise.
...
- 1,961
5
votes
1
answer
116
views
How close to a star can be a tidally locked planet so to have moderate temperature on its dark side? [closed]
So, imagine an atmosphere-less planet, tidally locked to a sun-like star. How close to the star can the planet be before its dark side becomes too hot?
I imagine that at some point the rocks on its ...
- 5,360
4
votes
1
answer
335
views
How would I calculate the greenhouse effect based on atmospheric composition?
Problem: For a known, but hypothetical planet orbiting a celestial body, how would I calculate the surface temperature after greenhouse gases?
What I know about the planet as given:
Planetary ...
- 126
4
votes
1
answer
154
views
What are the climatic consequences of existing on a planet with a dense and fairly cold atmosphere?
I am making a non-habitable planet (Name: Xoo-akedar) for my solar system. Despite being close to the star (see characteristics below), it has a dense atmosphere that prevents the heat from the star ...
- 81
3
votes
3
answers
818
views
What happens when a tidally-locked planet breaks out of the synchronous rotation?
Say you've got a hypothetical human-colonized planet planet roughly the size and composition of Earth orbiting around an M-class star a third the size of the sun at 0.2 AUs. Due to the proximity, this ...
- 33
3
votes
1
answer
148
views
Could you please check my calculation for a habitable binary planet system?
Good day!
For the story I have prepared information about the binary planet system.
The action will take place on the smaller (minor) of the two planets, which is supposed to be habitable.
The ...
- 87
2
votes
2
answers
242
views
Is it possible for polar nights at one pole to be 8 & 1/2 months long without significantly messing up the climate?
Is it possible for polar nights at one pole to be 8 & 1/2 months long without significantly messing up the climate?
The length of polar nights at the south pole from what i know is a week longer ...
- 5,163
2
votes
1
answer
129
views
At what approximate distance and what size should binary planets be for a day to be no more than 30-32 hours long?
For the story I'm trying to find a more or less plausible description of the planet.
Initially I was considering planet size like Mars or mid-size between Earth and Mars. Аnd this planet is in tidal ...
- 87
1
vote
3
answers
157
views
Weather among the average tropical coastal regions? (I can't be more specific than this since i lack a map, I apologize) [closed]
I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and less ocean depths. The world orbits a binary star system at a distance of the ...
- 477