All Questions
3
questions
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 ...
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 ...
5
votes
6
answers
658
views
What complications would arise from a world with an internal atmosphere and environment?
For a long, long, long time I have had a concept of a world that exists on the inside of a hallowed-out sphere.
The basic construction of the world is like this: It is a large world, at the center ...