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Charlie B
super member
Reged: 03/22/08
Posts: 164
Loc: Virginia
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Re: Why go to Mars?
07/20/08 08:12 AM
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I also agree with respect to resource extraction. Gravity can be provided by centrifigul spinning. However, nothing beats mass for providing protection from radiation and give gravity with large living space. We currently would have a problem hollowing out and spinning a large asteroid to produce living space for thousands to millions of people.
Charlie B
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