A Super-Earth Races around Its Host Star (IMAGE)

Penn State

A Super-Earth Races around Its Host Star

Caption

An artist's concept of super-Earth planet 55 Cancri e, which races around its host star once every 18 hours. New research led by Penn State astronomers improves our understanding of how large super-Earth planets with small, quick orbits form.

Credit

NASA/JPL-Caltech

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