earthshine

[ urth-shahyn ]
/ ˈɜrθˌʃaɪn /

noun Astronomy.

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 earthlight.

Origin of earthshine

First recorded in 1825–35; earth + shine1

Example sentences from the Web for earthshine

  • The ancients were greatly exercised in their minds to account for this "earthlight," or "earthshine," as it is also called.

    Astronomy of To-day |Cecil G. Dolmage

British Dictionary definitions for earthshine

earthshine

earthlight

/ (ˈɜːθˌʃaɪn) /

noun

the ashen light reflected from the earth, which illuminates the new moon when it is not receiving light directly from the sun