Tagged Questions
1
vote
1answer
322 views
Does the metal foam “whiffleball” orbital reentry idea make any sense?
Planetary Resources is a company speaking publicly about mining near Earth asteroids for resources. I'm interested the physicality of a claim they make in a video here:
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5
votes
3answers
281 views
Would a fast inter-stellar spaceship benefit from an aerodynamic shape?
Some (generous) assumptions:
We have a spaceship that can reach a reasonable fraction of light speed.
The ship is able to withstand the high energies of matter impacting at that speed.
Given the ...
