These results help explain how a supermassive black hole can alter the evolution of its host galaxy.

这些结论帮助解释了特大质量黑洞如何可以改变它所在星系的演化。

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Chakrabarti says her method should work for satellites as small as one one-thousandth the mass of the host galaxy.

查克拉·巴蒂说她的方法只能应用于卫星星系质量只有主星系质量的千分之一的星系。

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Astronomers have long known that young or "open" star clusters must eventually disrupt and dissolve into the host galaxy.

天文学家很早就了解，年轻的或者“疏散”的星簇最终必然被他们所在的主星系分解和吞噬。

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Astronomers think this galaxy was torn apart by the gravity of a larger host galaxy that it orbited.

MSN: Rare Black Hole Survives Galaxy's Destruction

Now that Dr van Paradijs's team, and another led by Kailash Sahu at the Space Telescope Science Institute in Baltimore, have had time to look properly at the fading point of light, they have noticed a faint fuzz around it that looks as if it could be a galaxy playing host to a dramatic explosion.

ECONOMIST: Astronomy

An analysis of small, dim "red dwarf" stars - which make up a majority of stars in our galaxy - shows that 6% of them host such a planet.

BBC: Exoplanets near red dwarfs suggest another Earth nearer