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Credit: Black hole at the center of galaxy M87: Event Horizon Telescope collaboration et al.
HOUSTON—The National Space Foundation’s (NSF) Event Horizon Telescope (EHT) project has unveiled the first-ever image of a supermassive black hole. The dense object has a mass 6 1/2 million times that of the Sun and is lodged at the center of the galaxy M 87, which lies 55 million light years from...
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