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Kepler Planet Candidates by Size Feb 27 2012
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Kepler Planet Candidates by Size, Feb. 27, 2012

May 10, 2012
The histogram summarizes the findings in the Feb. 27, 2012 Kepler Planet Candidate catalog release. The catalog contains 2,321 planet candidates identified during the first 16 months of observation conducted May 2009 to September 2010. Of the 46 planet candidates found in the habitable zone, the region in the planetary system where liquid water could exist, ten of these candidates are near-Earth-size. Credit: NASA Ames/Wendy Stenzel