Contrary to popular belief,there is a great deal of observational evidence for the existence of two types of black holes,those with masses of a typical star,and those with masses of a typical galaxy.

• 与普遍的认识相反，大量的观察证据表明存在有两种类型的黑洞，一种是质量与一颗典型恒星相当的黑洞，而另一种的质量则足有一个星系的质量那么大。