The Bruce Murray Space Image Library
Planet Kepler-10b transiting its host star (artist's depiction)
Filed under pretty pictures, art, extrasolar planets, Kepler
Measuring 1.4 times the size of Earth, Kepler-10b is the smallest planet ever discovered outside our solar system. Kepler-10b is of a rocky planet with a mass 4.6 times that of Earth and with an average density of 8.8 grams per cubic centimeter (which is significantly denser than Earth's 5.5).
NASA / Kepler Mission / Dana Berry
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