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astronomical
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perspective galaxy
在椭圆星系中,比e7型更扁的并开始出现旋涡特征的星系,被称为
透镜星系
。
透镜星系
是椭圆星系向旋涡星系或者椭圆星系向棒旋星系的过渡时的一种过度型星系。另外,在星系中不能归入椭圆、透镜、旋涡和棒旋型的星系,一律被称做“不规则星系”。