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The wobbles in energy produced as a black hole consumes a star have been detected from further away than ever before.
Because they are so regular, their discoverer likes to think of the wobbles as a kind of sound. "We are able to metaphorically hear a star being devoured by a supermassive black hole," says Rubens Reis of the University of Michigan in Ann Arbor, "4.8mHz would be a very low D-sharp, slightly out of tune."
...As the black hole is supermassive, the detection also confirms that black holes feed on star stuff in the same way, whether the black hole is the mass of 10 suns or 10 million suns. "For me that is a rather beautiful thing," says Reis.