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X-Ray Chaos: Violence shows itself in a nearby galaxy

Only 11 million light-years from Earth, Centaurus A is the nearest galaxy powered by a supermassive black hole that emits radio waves. The galaxy also sends out jets of charged particles and appears to have swallowed a smaller galaxy 100 million years ago (SN: 5/16/98, p. 311). Now, astronomers have found further evidence that Centaurus A is a maelstrom of violence.

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