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In the spirit of that article, it doesn't matter until we encounter other life forms. We still have to solve the problems of living on our planet of origin. So far other options seem inferior to saving Earth. Mars might be made viable, but it will always be a pale second in habitability to Earth.

"It is not necessary to have hope in order to persevere."
by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Fri Jul 12th, 2019 at 01:41:57 AM EST
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