This leads the researchers to suspect that a whitedwarf star strayed too close to the intermediate-mass black hole andwas ripped apart by tidal forces.

这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。

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Astronomers have long suspected globular clusters contained intermediate-mass black holes, but there has been no conclusive evidence of their existence there to date.

天文学家长期怀疑球状星团中包含中等质量的黑洞，但至今一直没它们存在的确凿证据。

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This leads the researchers to suspect that a white dwarf star strayed too close to the intermediate-mass black hole and was ripped apart by tidal forces.

这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。

youdao

Using their least conservative assumptions, the researchers found that less than 2% of the globular clusters should contain intermediate mass black holes today.

BBC: RELATED BBC SITES

Using their most conservative assumptions, Dr Bockelmann and colleagues found that even if every globular cluster started out with an intermediate mass black hole, only about 30% retained them through successive mergers.

BBC: RELATED BBC SITES

When Farrell and his colleagues discovered HLX-1in 2009, it was the first intermediate-mass black hole known.

MSN: Rare Black Hole Survives Galaxy's Destruction