Artist's impression of quasar with supermassive black hole (IMAGE)
Caption
Astronomers from Japan, Taiwan and Princeton University have discovered 83 quasars powered by supermassive black holes that were formed when the universe was only 5 percent of its current age. Here, see an artist's impression of a quasar. A supermassive black hole sits at the center, and the gravitational energy of material accreting onto it is released as light.
Credit
Image courtesy of Yoshiki Matsuoka
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