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By dating nearly a quarter-million stars, astronomers were able to reconstruct the history of our galaxy—and they say it has lived an “enormously sheltered life.”
Learn more about your ad choices. Visit megaphone.fm/adchoices
By Scientific American4.4
13401,340 ratings
By dating nearly a quarter-million stars, astronomers were able to reconstruct the history of our galaxy—and they say it has lived an “enormously sheltered life.”
Learn more about your ad choices. Visit megaphone.fm/adchoices

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