The black holes sink to the centre of the cluster, where a core that is completely made of up of black holes forms.

黑洞向星团中心沉降，在这个区域，形成了一个完全由黑洞组成的核心。

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His colleague Stefan Gillessen said: “The galactic centre harbours the closest supermassive black hole known. Hence, it is the best place to study black holes in detail.”

他的同事Stefan Gillesssen说：“星系中心停泊着迄今为止发现的离我们最近的巨型黑洞，因此，这是具体研究黑洞的最佳地方。”

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Lurking at the centre of nearly every galaxy and gobbling up stars in their vicinity, supermassive black holes are a truly menacing feature of the universe.

藏于几乎每一个星系的中心，吞噬着周围的恒星，超大质量黑洞是在宇宙中有着巨大威胁的事物。

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Inside centre Jamie Roberts punched holes in the visitors' defence all evening and fittingly scored the first of nine Blues tries.

BBC: Blues 58-0 Connacht

All that would have put Mr Kohl's centre-right coalition in a jam even without a scramble to plug budget holes to qualify for the euro.

ECONOMIST: Germany