| 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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