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... and it's a good thing too. Can you imagine the size of the bass traps you would need?



"WASHINGTON (Reuters) - Big black holes sing bass.

One particularly monstrous black hole has probably been humming B flat for billions of years, but at a pitch no human could hear, let alone sing, astronomers said on Tuesday.

"The intensity of the sound is comparable to human speech," said Andrew Fabian of the Institute of Astronomy at Cambridge, England. But the pitch of the sound is about 57 octaves below middle C, roughly the middle of a standard piano keyboard.


"We're dealing with enormous scales here," Fabian said in a telephone interview. "The size of these ripples is 30,000 light-years."
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