2012-01-08
It seems irresponsible, as a species, to have the ability to spread human life into other parts of the solar system but not do it. We’re all here on one rock, vulnerable to an extinction event.
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madame scientist's not-so-mad musings 
It seems irresponsible, as a species, to have the ability to spread human life into other parts of the solar system but not do it. We’re all here on one rock, vulnerable to an extinction event.