All Questions
2
questions
31
votes
4
answers
4k
views
What software can prototype a planetary system?
Is there any software tool for quickly prototyping a planetary system? Ideally this should:
Allow for placement of planets of different sizes and masses around a star.
Allow for examination of the ...
- 1,189
28
votes
5
answers
12k
views
What would the effect be on Earth if Mars disappeared?
What would the effect on Earth be if Mars, in the space of one second, disappeared from the Solar System? Just simply was gone, leaving no residue, and leaving the space where it had been like it had ...
- 690