Scientists reveal how supermassive black holes bind into pairs during galaxy mergers

Picture the Milky Way galaxy-a disk of stars and gas, a stellar spheroid and an enormous halo of dark matter. It spirals around a black hole that is supermassive-about three million solar masses. The Milky Way's total mass is about 100 billion solar masses-enormous to us but average among galaxies.

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<p><a href="http://www.physorg.com/news100526551.html">Scientists reveal how supermassive black holes bind into pairs during galaxy mergers</a></p> <p>Picture the Milky Way galaxy-a disk of stars and gas, a stellar spheroid and an enormous halo of dark matter. It spirals around a black hole that is supermassive-about three million solar masses. The Milky Way's total mass is about 100 billion solar masses-enormous to us but average among galaxies.</p>