Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.astronomy.com/magazine/2007/10/in-search-of-habitable-worlds
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Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 05:28:30 2016
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In search of habitable worlds | Astronomy.com
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In search of habitable worlds

Exploring one of Earth's nearest stars may reveal a planetary system where the seeds of life may already be growing.
When Frank Drake listened to Epsilon Eridani in 1960, astronomers didn't know the Sun-like star was only 800 million years old — too young for intelligent life to have evolved, assuming Earth's rate of biological evolution is typical.

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