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SETI Wow! signal - Long ago and far away, a duo of dancing supermassive black holes look like spiraling in towards one another, eventually doomed to collide within a stupendous, almost unimaginable, cosmic smash-up. Dancing at night, the strange pair will merge only a million years from now, liberating energy comparable to 100 million supernova blasts, by which massive stars perish. The dark-hearts of most, if not all, large galaxies in the Universe--including our own Milky Way--contain supermassive black holes with masses equivalent to millions, or even billions, of Suns, and these objects of incredible darkness and their host galaxies appear to evolve together, or "co-evolve". Theory predicts that as galaxies collide and eventually merge, growing a lot more massive consequently, so too do their hearts of darkness. Within the January 7, 2015 issue from the journal Nature, a team of astronomers report over a weird repeating light signal from the distant quasar which they say is most likely the consequence of a duo of dancing supermassive black holes during the last act of a merger--a thing that is predicted from theory but which has never been seen before! A quasar is certainly a brilliant, luminous object that out-dazzles all the stars in their host galaxy combined, and is also visible from throughout the entire Universe!

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