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Evidence of an intermediate-mass black hole was detected near the supermassive black hole at the center of the Milky Way; the smaller hole contains the mass of about 1,300 suns, whereas the supermassive hole contains roughly 3 million solar masses.

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Evidence of an intermediate-mass black hole was detected near the supermassive black hole at the center of the Milky Way; the smaller hole contains the mass of about 1,300 suns, whereas the supermassive hole contains roughly 3 million solar masses.

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