QUASAR LIGHT VARIABILITY LINKED TO BLACK HOLE MASS

US Fed News Service, Including US State News | January 8, 2007 | Copyright

The University of Illinois at Urbana-Champaign issued the following news release:

Quasars are some of the most luminous and distant objects in the universe - and appear to have something in common with ordinary light bulbs, say researchers at the University of Illinois at Urbana-Champaign and at the National Center for Supercomputing Applications.

Quasars were discovered 40 years ago, when astronomers noticed that these objects - thought at the time to be stars - were emitting far more radio waves than expected. Researchers found, upon further inspection, that these objects represented a new ...

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