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CfA Press Releases Weekly Science Updates 2013 2012 2011 2010 2009 2008 2007 2006 Other News Features All News	Weekly Science Update Discovery of An Extrasolar Earth-Sized Planet Candidate An artist's conception of the extrasolar planetary system around the star Kepler-9. Astronomers have discovered an earth-sized planet candidate in this system. Credit: NASA, Kepler, T. Pyle Low Resolution Image (jpg) Back to Science Update
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