Search for 'Earth's Twin' Finds Similar-Sized Planet

By Harry Kimball, Newser Staff

Posted Apr 21, 2009 5:36 PM CDT

(Newser) – Astronomers in Chile looking for an Earth-like planet have discovered the closest one in size yet, the BBC reports. Don’t get your hopes up: Though Gliese 581 e, which lies outside our solar system, is just twice as large as Earth, it travels far... Read full story »

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Search for 'Earth's Twin' Finds Similar-Sized Planet

telescope • Earth • Chile • solar system • exoplanet • outer space • Gliese 581 e

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