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Chandra "Hears" A Black Hole

A 53-hour Chandra observation of the central region of the Perseus galaxy cluster (left) reveals wavelike features (right) that appear to be sound waves.

NASA's Chandra X-ray Observatory has detected sound waves, for the first time, from a super-massive black hole. The "note" is the deepest ever detected from an object in the universe. The tremendous amounts of energy carried by these sound waves may solve a longstanding problem in astrophysics...

Science paper (arXiv)

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