释义 |
galactic equatorn.(名词)- 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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