Unexplained Intergalactic Radio Bursts Confirmed At Arecibo – io9.com

Back in 2011 and 2012, astronomers working at an Australian observatory picked up a series of fleeting but powerful radio signals. These signals have never been detected elsewhere, casting doubts on their origin. But now, new observations from the Arecibo Observatory in Puerto Rico suggest they're for real.

Top image: Impression of a blitzar — a hypothetical object that could be the source of the radio bursts. Image: Sky & Telescope/Gregg Dinderman.

Up until this point, the only observatory to detect these signals has been the Parkes radio telescope in New South Wales, Australia. The dozen-or-so bursts that appeared in 2011-12 likely originated from outside the galaxy. In just a few milliseconds, each of the radio bursts released as much energy as the sun emits in 300,000 years.

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