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Astrophysicist David Charbonneau | Meeting the minds

Is the earth unique in the universe?

David Charbonneau looks for planets outside our solar system that pass in front of stars. David Charbonneau looks for planets outside our solar system that pass in front of stars. (Jodi hilton for the Boston Globe)
By Billy Baker
Globe Correspondent / November 26, 2007

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Despite what you may have heard, astronomy is probably the world's oldest profession. Which makes "Are we alone in the universe?" a good candidate for the world's oldest riddle. (Full article: 845 words)

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