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Hunt for Alien Earths
Astronomers may be on the brink of finding Earth-like planets beyond our solar system. 
Detecting LifeIn this video and quiz, see how scientists sniff out signs of life on distant planets, then try it yourself.
Ask the ExpertPlanet hunter Geoff Marcy of U.C. Berkeley answers questions.
Related Science NewsFind recent stories on the search for Earth-like planets beyond our solar system. |
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© | Created April 2009 |
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