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Indian astronomers with other scientists spot unique Gamma-ray burst

Indian astronomers with other scientists spot unique Gamma-ray burst The burst detected by NASA s Fermi Gamma-ray Space Telescope on August 26, 2020, turned out to be one for the record books the shortest Gamma-ray burst (GRB) caused by the death of a massive star. New Delhi: A group of astronomers, few of them Indians, have detected a very short, powerful burst of high-energy radiation that lasted for about a second and had been racing towards Earth for nearly half the present age of the universe. The burst detected by NASA s Fermi Gamma-ray Space Telescope on August 26, 2020, turned out to be one for the record books the shortest Gamma-ray burst (GRB) caused by the death of a massive star.

This star s death billions of years ago is challenging what we know about supernovae

Text Size: A+ Bengaluru: Once upon a time, billions of years ago, a star died. It let out a pulse of extremely high energy a gamma ray burst (GRB), as the astronomers call it that was detected on Earth just last year. Lasting less than a second, it was the shortest of its kind ever observed.  And it appears to have challenged some existing models that govern the way these bursts are seen.      Astronomers looking through NASA’s Fermi Gamma-ray Space Telescope observed a pulse of extremely high energy in the form of a GRB on 26 August 2020. The GRB, the astronomers say, is the shortest known to have been caused by the death of a star. 

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