We’ve had a pretty good run with this old planet of ours, haven’t we? Sure, she’s a tad crowded and a little polluted . Okay, so she might be running a little hotter than she did before too, but we’re getting by. One day, however, we may have to upgrade our cosmic home — you know, by moving to a place we can stretch out and that has a bit more
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Humans Must Leave Earth to Survive, Says Hawking
