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。
The composite image of Hickson Compact Group 31 shows the four galaxies mixing it up.
希克森致密星系群31的合成图显示了4个相互混合的星系。
But these galaxies, members of Hickson Compact Group 31, are relatively nearby, only 166 million light-years away.
但是这些星系，也就是希克森致密星系群31的成员，距离我们相对较近，只有1.66亿光年。
But these galaxies, members of Hickson Compact Group 31, are relatively nearby, only 166 million light-years away.
但是这些星系，也就是希克森致密星系群31的成员，距离我们相对较近，只有1.66亿光年。
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