3C 321
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3C 321 is a system of two galaxies rotating around each other, notable for showing the first observed galaxy smiting another galaxy with a blast of energy, which is theorized to be from a supermassive black hole at the center of the former galaxy. This characteristic earned it the nickname as the Death Star Galaxy. It is located about 1.2 billion light-years away in the constellation Serpens Caput
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