quasar

Binary Black Holes Found Nearby Indicate Violent Mergers

By R. Siva Kumar - Aug 31, 2015 10:30 AM EDT

Scientists found black holes through NASA's Hubble Telescope.

Blinking Quasar Gives Away Merger of Two Supermassive Black Holes

By Peter R - Apr 21, 2015 03:26 PM EDT

A new study argues that a quasar emitting periodically indicates cyclic absorption of matter by merging black holes to form a binary black hole.

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