Interior of Earth and Kepler-93b (IMAGE)

Center for Astrophysics | Harvard & Smithsonian

Interior of Earth and Kepler-93b

Caption

This artist's illustration compares the interior structures of Earth (left) with the exoplanet Kepler-93b (right), which is one and a half times the size of Earth and 4 times as massive. New research finds that rocky worlds share similar structures, with a core containing about a third of the planet's mass, surrounded by a mantle and topped by a thin crust.

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M. Weiss/CfA

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