Interplanetary Colonization: I Don't Think So

Periodically it seems that the subject comes up regarding human colonization of space and then all manner of problems and difficulties are discussed with various people taking their respective sides on the physics that's possible and what isn't.However, I would offer a different perspective on this and argue that it isn't a physics problem.  This isn't about speed, about time, or about energy, although these are problems.  The problem is about biology.More specifically, the problem is about the passengers we have to take.  Not humans, not embryos, or not some cryogenically preserved individuals.  The problem is bacteria. read more

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