Astronomers discover radio afterglow of shrouded gamma-ray burst

Scientists had predicted based on theory that shrouded cosmic explosions that go unnoticed can be revealed by their light echoes. Now, astronomers have spotted such an explosion.

New Delhi: Astronomers have discovered among the clearest examples yet of a radio afterglow from a powerful gamma-ray burst, whose initial blast went unnoticed in optical frequencies. The Australian SKA Pathfinder (ASKAP), a radio telescope made up of 36 antennas first detected a transient radio source designated as ASKAP J005512-255834, that explosively shed the total radio output of a billion Suns, then began to rapidly fade over time. Most radio........

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