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Questions about the extraction of materials from other planets or asteroids.
12
votes
3
answers
471
views
What is the range of strength for asteroidal materials?
Observed rotation rates of small asteroids point to a limit on the material strength of these bodies. This limit is not very high
But that's only part of the picture, because an upper limit on rotat …
5
votes
Would a 'space elevator'/sling on a rotating asteroid work?
There is a big problem with the proposal as-stated in the OP, and I don't believe anyone else has sufficiently hit this point. I'm quoting, with emphasis my own here:
If this scheme worked, then p …
13
votes
Accepted
What about gathering water ice from Saturn's rings?
Commentary:
It's true that mining the lunar ice would involve challenges that Saturn's rings don't have. …
10
votes
Can one put a large nickel-iron asteroid into an elliptical solar orbit that results in a so...
If gravity was repulsive between the Earth and the asteroid, this could at least make sense in principle. In that case, getting close is like pushing on a spring, and with a carefully managed traject …