Using the Hubble Space Telescope, astronomers homed in on a quasar called 3C 273, some 2.5 billion light-years from Earth. It's one of the closest quasars to Earth, and extremely bright ...
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Hubble Telescope sees 'weird things' in closest-ever look at a quasar from monster black holeThe Hubble Space Telescope has stared deeper into a quasar than ever before ... The one Hubble studied, designated 3C 273, is one of the closest of these extreme objects to Earth.
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