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Distant planets

Reuters Logo By By Jeremy Schultz, Reuters of Reuters | Slide 2 of 26: An artist's concept depicts select planetary discoveries made so far by NASA's Kepler space telescope. Courtesy W. Stenzel/NASA

An artist's concept depicts select planetary discoveries made to date by NASA's Kepler space telescope

An artist's concept depicts select planetary discoveries made so far by NASA's Kepler space telescope. Courtesy W. Stenzel/NASA
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