open cluster-star-variable star 疏散星团恒星变星
About a third of the way along this line, you'll find a hazy object, an open star cluster, called M50.
沿着此线大约三分之一处，你会发现一个模糊的物体，它的名称为M 50，是个散开星团。
Can you find, in the above image, a comet, a spiral galaxy, an open star cluster, and a supernova remnant?
在上面图中，你能找到：一彗星，一旋涡星系，一疏散星团和一超新星遗迹吗？
An open star cluster in the constellation Taurus, consisting of several hundred stars, of which six are visible to the naked eye.
昴星团金牛星座中的疏散星团，由几百颗恒星组成，其中六颗星用肉眼可看到。
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