Re:Dolphins Call Each Other By Name
by s-v on Wednesday February 20, 2013 @07:49PM
(#5254576)
Colonizing another planet is a hedge against a destructive event (asteroid, bomb, etc) completely extinguishing the human species.
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Colonizing another planet would be a speciating event. Alpha Centurians would become a different species anyway, just like a population of birds that gets stranded on a remote island becomes a different species.