In our northern hemisphere, the Big Dipper is probably the sky's best known asterism - a group of stars that is not a recognized constellation.

在我们北半球，北斗七星是最著名的星群——一组不需验证的星群。

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which contains a few bright stars but is made up of a collection of galaxies that form the Sculptor Group. Other known galaxies that belong to this group include NGC 55, NGC 253 and NGC 7793.

这个星系位于玉夫座星群，它包含一些明亮的星，并和一些其他明亮的星系如NGC 55、NGC 253和NGC 7793共同构成了玉夫座。

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A group of baseball stars will tour overseas military bases.

一个棒球明星团将要到海外军事基地作巡回表演。

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It was of a small area of a group of stars.

VOA: special.2009.09.30

Its aging group of stars still won't win any beauty contests.

WSJ: Euro 2012: Italy Advances in More Ways Than One

Outside the stadium, I found a group of enthusiastic cheering supporters of the Black Stars.

BBC: Memories of the Cup

Out of this trend is emerging a new group of pan-European stars.

ECONOMIST: Pop music