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词汇 galactic equator
释义 galactic equatorn.(名词)
  1. The great circle of the celestial sphere that lies in the plane bisecting the band of the Milky Way, inclined at an angle of approximately 62° to the celestial equator. Also called galactic circle 银道圈:天球上在两个银极中间的大圆,平分银河中心线并与天赤道的倾角为62度 也作 galactic circle
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