TNPSC Thervupettagam

Short gamma-ray bursts

August 1 , 2021 1343 days 1045 0
  • A group of astronomers, including from India, has detected a very short, powerful burst of high-energy radiation.
  • It lasted for about a second.
  • It had been racing towards the earth for nearly half the present age of the universe.
  • The burst detected by NASA's Fermi Gamma-ray Space Telescope turned out to be the shortest gamma-ray burst (GRB) caused by the death of a massive star.

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