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earthshine

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noun earth·shine \ˈərth-ˌshīn\

Definition of earthshine

: sunlight reflected by the earth that illuminates the dark part of the moon Because the moon will be near half phase, earthshine will brighten the dark portion of the moon. — Astronomy —called also earthlight

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First Known Use of earthshine

1834

Learn More about earthshine

See words that rhyme with earthshine Britannica.com: Encyclopedia article about earthshine

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