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[-]  09-08-18 22:40

The Only Known Sound in Space Is This 'Singing' Black Hole
Everyone knows there is no sound in space. After all, a sound wave requires a medium, like air or water, to travel through, and space is mostly a vacuum. But in studying a nearby galaxy cluster, astronomers detected a true occurrence of sound in space—and in this case, the incredibly deep sound was coming from a black…Read more...

Read the full article on Gizmodo »
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