Fast radio bursts are split-second intergalactic blips of radio waves we've detected over the last decade. You'd think that if we pointed our telescopes and other space cameras in the direction these bursts came from, we'd spot something else, too. But to date, we have nothing -- just radio waves.
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Two months ago, astronomers picked up and then pinpointed the location of a weird burst of radio waves from space, prompting heated debate about the possible source of the signals. Now, new data has finally revealed that source -- and it's not such a big mystery after all. Move along, nothing to see here: Just a star-gobbling supermassive black hole burping out some excess radio waves.