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German Gegenschein (counter-shine).


gegenschein (countable and uncountable, plural gegenscheins)

  1. (astronomy) A faint brightening of the night sky in the region of the ecliptic directly opposite the Sun.
    • 1860, George Jones, “Recent Observations, by various persons, on the Gegenschein, or Completed Arch of the Zodiacal Light”, in Proceedings of the American Association for the Advancement of Science, Volume 13[1], Digitized edition, published 2007, page 172:
      My object in appearing before the Association, at this time, is to present the observations of several other persons on the gegenschein or completed arch of the zodiacal light, of which I have received accounts since our meeting in Motreal.
    • 2001 Feb, John E. Bortle, “Introducing the Bortle Dark-sky Scale”, in Sky and Telescope, volume 101, number 2, page 126:
      The zodiacal light, gegenschein, and zodiacal band … are all visible.



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