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"Hubble" telescope makes an unexpected discovery around a black hole
Reference models for astronomers are in crisis
On 12 July, a team of researchers from the Earth space observatory discovered an accretion disk around a small black hole: presence generally possible only with supermassive black holes. According to theoretical calculations, small black holes would not have enough material to form such a luminous disk. When disks of dust and gas rotate around a black hole, it seems that it emits light: a situation...
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