Phil Berardelli, of ScienceNOW, just posted an article on rogue black holes in the Milky Way galaxy:
Don't lose any sleep over it, but astronomers suspect that hundreds of medium-sized black holes are roaming loose in the Milky Way. These rogues, according to a new study, are the orphaned central black holes of the many smaller galaxies that the Milky Way has swallowed over its billions of years of existence. If one of them is discovered, it could provide important clues about the evolution of our galaxy.
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