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单词 galactic equator
释义

WordReference Random House Unabridged Dictionary of American English © 2024
galactic equator, [Astron.]
  1. Astronomythe great circle on the celestial sphere that is equidistant from the galactic poles, being inclined approximately 62° to the celestial equator and lying about one degree north of the center line of the Milky Way. Also called galactic circle. 
  • 1885–90

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更新时间:2024/11/10 22:30:22