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。
The composite image of Hickson Compact Group 31 shows the four galaxies mixing it up.
在中间上部是NGC 7319和被称为斯蒂芬五重星系的致密星系群。
At top center is NGC 7319 and the compact galaxy group known as Stephan's Quintet.
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.
天文学家无论凝视致密星系群中的哪一个角落，都会大学大批的年轻星团以及充溢着恒星形成的区域。
Everywhere the astronomers looked in this compact group they found batches of infant star clusters and regions brimming with star birth.
说明：加拿大天文学家PaulHickson和他的同事通过巡天观测夜空中的星系后识别了大约100个紧密的星系群，这些星系群现在被恰当地称为希克森致密星系群。
Explanation: Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson compact groups.
说明：加拿大天文学家PaulHickson和他的同事通过巡天观测夜空中的星系后识别了大约100个紧密的星系群，这些星系群现在被恰当地称为希克森致密星系群。
Explanation: Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson compact groups.
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