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Meaning of earthshine

earth•shine

Pronunciation: (ûrth'shīn"), [key]
— n. Astron.
  1. the faint illumination of the part of the moon not illuminated by sunlight, as during a crescent phase, caused by the reflection of light from the earth. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.