An international team of astronomers has discovered two gigantic black holes with masses about 10 billion times the mass of our sun. These black holes have a mass more than 50 percent greater than any other previously measured.
“They may be the dormant remains of quasars that were extremely luminous billions of years ago,” says James Graham, a professor at the University of Toronto and founding member of the team behind the discovery.
“We believe that 10-billion solar mass black holes like these are the ultimate power sources for the distant quasars observed in the early universe, one to three billion years after the Big Bang,” Graham adds.
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(Photo credit: University of Toronto)