Gegenscheinとは 意味・読み方・使い方

別の表記

• Gegenschein

語源

Borrowed from German Gegenschein (“counter-shine”), from gegen- +‎ Schein.

発音

• IPA: /ˈɡeɪ.ɡənˌʃaɪn/

名詞

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, 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.

同意語

• counterglow

参考

• Kordylewski cloud
• zodiacal light