When will it be profitable to mine the moon of Helium 3 ?
Asked by talljasperman (18014 ) April 6th, 2014
So I wonder when will space travel be cheap enough to make mining the moon worth while?
Observing members: 0 Composing members: 0
This question is in the General Section. Responses must be helpful and on-topic.
Wow! You've got 847 knowledge matches!Want to see them? Join Fluther!