All Questions
7
questions
6
votes
1
answer
609
views
Is it possible to have a planet with earth-like mass but double the atmospheric pressure?
I'm no scientist and my poor brain box is on its last legs; I was wondering if any of you smart beans out there would be able to help me figure this out? Here are the specs of my system;
Kereiol is a ...
23
votes
6
answers
2k
views
Scientific explanation for a exceptionally bright night sky
On an alternative Earth live the people of Tcelonia.
One of their founding myths goes that, in the dawn of times, when they were under the menace of being attacked by an enemy population, for an ...
5
votes
2
answers
205
views
Naturally maintaining an atmosphere being stripped by a brown dwarf‘s magnetosphere
In this scenario we have a brown dwarf with a powerful magnetic dynamo from metallic hydrogen. The magnetic field is modeled after Jupiter’s but just three orders of magnitude more powerful.
...
3
votes
3
answers
266
views
Could a comet cool down global tempatures? [duplicate]
In warlords I wanted Terrans to have a fad of big (synthetic) fur jackets, but I didn't want too have everyone running around in winter clothing for no good reason so the solution my mind instantly ...
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 ...
5
votes
3
answers
826
views
Proxima Centauri and tidally locked planets
Proxima Centauri may have a rocky, earth like planet close to its dim sun. Tidally locked, the sun facing side may have a temperature up to 30 degrees Celsius and a dark side of -30 C. This would make ...
11
votes
4
answers
2k
views
Would living underground during an impact winter be ideal?
I was looking at these two questions:
Expanding Occupied Underground Habitations Safely
Does Living without access to Sunlight have known Physical/Psychological effects?
And in a story I'm writing, ...