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NASA scientists have discovered a new planet, Kepler-22b, that they describe as the most Earth-like planet yet found.
This handout illustration made available on December 5, 2011 by NASA, the Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star is digitally illustrated.
NASA scientists have discovered a new planet, Kepler-22b, that they describe as the most Earth-like planet yet found.