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Astronomers using the Hubble Space Telescope have discovered the closest massive black hole to Earth, an intermediate-mass black hole in Omega Centauri, about 18,000 light-years away. With a mass of around 8,200 suns, it bridges the gap between stellar-mass and supermassive black holes. This discovery supports the theory that Omega Centauri is the remnant core of an ancient galaxy consumed by the Milky Way. If not for this event, the black hole might have grown to supermassive status like Sagittarius A*, the Milky Way’s central black hole.

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