... Fabry-Perot spectrograph 法布里-珀罗摄谱仪 face-on galaxy 正向星系 face-on spiral 正向旋涡星系 ...
基于12个网页-相关网页
The edge-on galaxy near the top of the image is VV 340 North and the face-on galaxy at the bottom of the image is VV 340 South.
靠近图像顶部的侧向星系是北边星系W340，底部的正向星系为南边星系W340。
Caption: a face-on snapshot of the small spiral galaxy NGC 7742, not just any old spiral galaxy but a Seyfert 2 - a galaxy that is probably powered by a black hole at its core.
描述：小螺旋星系ngc 7742正向快照，不只是古老的螺旋星系而是2型塞弗特星系——其动力可能由星系核心处的黑洞提供。
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