Orbital Diagram of Kepler-78b (IMAGE)
Caption
This diagram illustrates the tight orbit of Kepler-78b, which orbits its star every 8.5 hours at a distance of less than a million miles. It is only 2.7 stellar radii from the center of the star, or 1.7 stellar radii from the star's surface.
Credit
David A. Aguilar (CfA)
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License
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