... 本地星系群 Local Group 矮卫星星系群 dwarf satellite galaxies 致密星系群 compact group of galaxies ...
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A new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located 280million light years from Earth.
四星系碰撞，约130年前，发现距离地球2.8亿光年的星系紧凑组发现新的面貌。
A new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located 280 million light years from Earth.
史蒂芬五重奏的新样子，这是一个大约130年前坐落在距离地球2亿8千万光年远的星系的组合。
A new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located 280 million light years from Earth. One galaxy is passing through a core of four other galaxies.
对130年前发现，距地球2.8亿光年的名为Stephan ' s Quintet的一组星系重新观察：其中一个星系正通过其他四个星系的核心部分。
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