Humanity Facing Evolution Of The Sun
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Subjects > Science > Space > Space Exploration
"If humanity persists and endures, in time we will come face to face with the evolution of our sun. In a few billion years its slow brightening will speed up as it swells into a red giant. Earth will then be uninhabitable, as will the inner regions of the Solar System. Yet there will be other more clement stars to which our descendents may wish to migrate. Certainly a society that has developed space flight and space colonization will have the advantage of never thereafter having to stand hostage to fortune."
-- T. A. Heppenheimer, Toward Distant Suns, 1979
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