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Astronomers found a quasar with a black hole at its center that's 500 trillion times brighter than our sun and swallows the equivalent of one a day.

Rachel websterChristian wolfUniversity of melbourneAustralian national universityEuropean southern observatoryLarge telescopeBlack holeSupermassive black holeAustralian national universityUstralian astronomersChristopher onken