Black Hole Sound Waves: "Sept. 9, 2003: Astronomers using NASA's Chandra X-ray Observatory have found, for the first time, sound waves from a supermassive black hole. The 'note' is the deepest ever detected from any object in our Universe. The tremendous amounts of energy carried by these sound waves may solve a longstanding problem in astrophysics."
The subtle drone of the Universe.
Tuesday, September 09, 2003
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