October 23, 2021

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‘Radio colors’ from mysterious deep-space flashes reveal lone stellar corpse as source

4 min read

Mysterious repeating pulses of radio waves may come from a hitherto unknown kind of extraordinarily powerful cosmic magnet, and not pairs of stars as previously suggested, a new study finds.

Fast radio bursts, or FRBs, are powerful pulses of radio waves that can release more energy in a few thousandths of a second than the sun does in nearly a century. Astronomers only discovered FRBs in 2007, and because the bursts are so brief, much remains unknown about them.

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