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Quasar PKS 2349
Since their discovery in 1963, quasars have been enigmatic because they emit prodigious amounts of energy from a very compact source. The most widely accepted model is that a quasar is powered by a supermassive black hole in the core of a galaxy.
Courtesy Space Telescope Science Institute (STScI)
Credit: John Bahcall, Institute for Advanced Study, NASA
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Copyright, (c) 1995: Board of Trustees, University of
NCSA. Last modified 10/31/95.