What is creating these incredibly bright radio flashes? | Digital Trends

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What is creating these incredibly bright radio flashes? | Digital Trends
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Exceedingly brief but incredibly bright, the strange phenomenon of FastRadioBursts continues to puzzle scientists.

These flashes of radio energy are so bright they can travel billions of light-years and still be observable, and we still don’t know what causes them.

The source of the bursts, an object called FRB 190520, has been located in the outer edges of a dwarf galaxy that is almost 3 billion light-years away from Earth. It was first observed with the Five-hundred-meter Aperture Spherical radio Telescope in China, then astronomers were able to pinpoint its location using data from the Very Large Array and the Subaru Telescope.

“These characteristics make this one look a lot like the very first FRB whose position was determined — also by the VLA — back in 2016,” said one of the authors, Casey Law of Caltech, in a statement. “Now we have two like this, and that brings up some important questions.”

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