Quote:
Originally Posted by photon
The space program should be focused on going where people could sustain themselves, and that's asteroids in my opinion.
To the point where resources could be mined and brought back to earth.
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Is there a resource that exists only on asteroids that is so valuable to justify the prohibitive cost of harvesting it from space and bringing it back to Earth? Asteroid mining makes for great science fiction, but is it really commercially feasible?