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单词
galactic bulge
释义
galactic bulge
Encyclopedia
理学
不规则星系
释
galactic bulge
星系核球
位于盘星系中央的椭球状恒星密集区,其主要成分是老年星族II天体,构成星系盘的盘族恒星分布于核球的周围,星系核位于核球的中心。
Astronomy
galactic bulge
星系核球
随便看
relative measurement
relative method
relative metric
relative minimal curve
relative minimum
relative modular anomaly
relative molecular mass
relative molecular weight
relative motion
relative movement
relative navigation
relative nearness
relative neighborhood
relative norm
relative normal
relative normal curvature of conjugate tooth-surfaces
relative nullity
relative number
relative number of spots
relative number of sunspots
relative operating characteristic
relative orbit
relative orbital elements
relative order
relative orientation
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