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The point of being multiplanetary is if there is an extinction event on Earth, people survive on Mars. You don't need to _immediately_ be able to come back, alt
by stepanhruda 10y ago
The point of being multiplanetary is if there is an extinction event on Earth, people survive on Mars. You don't need to _immediately_ be able to come back, although you need to be able to move off Mars at some point.