星系盘 Disc (galaxy)
（重定向自Stellar disk）
星系盘是圆盘星系，例如螺旋星系或透镜星系的一部分。
星系盘是存在于包含螺旋、棒状等圆盘星系盘状物的平面部分。星系盘倾向于比核球和晕有着更多的气体、尘埃和年轻的恒星。
星系盘的主要成分是气体、尘埃和恒星。星系盘的气体和尘埃组件称为气体盘，恒星为组件组成的星系盘称为恒星盘。
Stellar disk
中文百科
英语百科
Disc (galaxy) 星系盘
（重定向自Stellar disk）
A disc is a component of disc galaxies, such as spiral galaxies, or lenticular galaxies.
The galactic disc is the plane in which the spirals, bars and discs of disc galaxies exist. Galactic discs tend to have more gas and dust and younger stars than galactic bulges or galactic haloes.
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