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Meaning of gegenschein

ge•gen•schein

Pronunciation: (gā'gun-shīn"), [key]
— n. Astron.
  1. a faint, elliptical patch of light in the night sky that appears opposite the sun, being a reflection of sunlight by meteoric material in space. Also calledCf. zodiacal light.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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