The ratio is the same for galaxies of all ages and sizes, whether the central black hole is a few million or many billions of times the mass of our sun.

不管中心黑洞是我们太阳质量的几百万倍还是几十亿倍，对不同年龄和大小的星系，这一比率都是相同的。

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"The fact that there's a very young cluster of stars indicates that the intermediate-mass black hole may have originated as the central black hole in a very low-mass dwarf galaxy, "Sean Farrell, of the Sydney Institute for Astronomy in Australia, said in a statement.

MSN: Rare Black Hole Survives Galaxy's Destruction