Listen to the "howling" of the black hole! - Tech News Inc

“In space, no one will hear you screaming.” All who have seen alien, Known. Because in the vacuum of space, no sound can propagate. in the void. But in a

In space, no one will hear you screaming. All who have seen alien, Known. Because in the vacuum of space, no sound can propagate. in the void. But in a group of galaxies surrounded by gas, there is s… [+1730 chars]

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