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A comment on Colonizing Mars: A Critique of the SpaceX Interplanetary Transport System. Parent comment

Re:Colonizing Mars: A Critique of the SpaceX Interplanetary ... by Pinckney on Saturday October 22, 2016 @02:36PM (#12769935)
But why would a rational, self-interested person put up with great risk and expense to live in a small closed economy on Mars, when they could much more easily live in a small closed economy on earth? What's so great about Mars?
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