These Eerie Wails Are a Real Sound Wave From a Supermassive Black Hole - ScienceAlert

We might not be able to hear sound in space, but that doesn't mean there isn't any. In 2003, astronomers detected something truly astonishing: acoustic waves propagating through the gas surrounding a supermassive black hole, 250 million light-years a

We might not be able to hear sound in space, but that doesn't mean there isn't any. In 2003, astronomers detected something truly astonishing: acoustic waves propagating through the gas surrounding a… [+3436 chars]

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