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Originally Posted by pgrmdave
Would it be possible to build a self-sufficient colony in space without being on a planet? That may be the first step, once they could provide for themselves well enough, they may be able to produce a surplus of goods that they could then send down to colonists on a planet.
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Hm, not too sure about that. I think a space colony (such as those proposed by Gerard K O'Neil and others) would still need input from, say an asteroid for example, if they're going to produce their own products of whatever kind and sell it to other worlds.
