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Tuesday, October 31, 2017

Minor merger kicks supermassive black hole into high gear

http://ift.tt/eA8V8J Astronomers are studying the galaxy M77, which is famous for its super-active nucleus that releases enormous energy. The unprecedented deep image of the galaxy reveals evidence of a hidden minor merger billions of years ago. The discovery gives crucial evidence for the minor merger origin of active galactic nuclei.

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