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Kepler-62c is the smallest member of the Kepler-62 system

 is an approximately Mars-sized exoplanet (extrasolar planet) discovered in orbit around the star Kepler-62, the second innermost of five such planets discovered by NASA's Kepler spacecraft. It is the second smallest exoplanet after Kepler-37b to be discovered and confirmed with Kepler spacecraft. It was found using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured.[2] Its stellar flux is 25 ± 3 times Earth's.[2]