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矮椭圆星系

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矮椭圆星系可以看成是小型的椭圆星系,标示的符号为dE。它们是相当普通的星系,并且通常是其他星系的卫星星系仙女座星系至少就有两个被分类为dE的矮椭圆星系环绕着。

下面是一些矮椭圆星系的例子:

矮椭圆星系的次分类为矮椭球星系 dwarf spheroidal galaxy),现在基本上认为是相同的星系,只是从不同的角度上被看到。

许多的证据都显示矮椭圆星系的特性与椭圆星系不同,反而与不规则星系有关。因此许多天文学家在提到这一类型的星系时,喜欢用矮椭球星系来称呼。

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矮椭圆星系
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