Gegenschein meaning

gāgən-shīn
A faint glowing spot or region in the sky, occasionally visible exactly opposite the position of the sun, consisting of sunlight scattered by interplanetary dust particles.
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A diffuse, faint light, sometimes visible almost directly opposite the sun in the night sky, and thought to be sunlight reflected from dust.
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(astronomy) A faint brightening of the night sky in the region of the ecliptic directly opposite the Sun.

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Origin of gegenschein

  • German gegen against (from Middle High German) (from Old High German gegin) Schein light (from Middle High German schīn) (from Old High German scīn) (from scīnan to shine)

    From American Heritage Dictionary of the English Language, 5th Edition

  • German Gegenschein (“counter-shine”).

    From Wiktionary