How could we be sure that these globularlike clusters really were younger versions of the globulars in our own galaxy 我们如何能确定这些类球状星团就是我们星系里球状星团当年的样子呢?
2.
One way to demonstrate a link would be to identify two populations of globular clusters in old elliptical galaxies 要证明两者彼此相关,其中一个方式,就是在古老的椭圆星系中,同时辨识出这两类球状星团。