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Short gamma-ray bursts
August 1 , 2021
1268 days
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- 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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