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Nearby Galaxy Found With Not One, But Two Massive Black Holes

The Huffington Post | Dean Praetorius | Posted 08.13.2011 | Green

Two enormous black holes may exist at the heart of a nearby galaxy, according to a new study. While many large systems contain supermassive black holes at their centers, it's apparently considered rare that two could exist so close to each other. Even the Milky Way has a supermassive black hole at its center.