Gamma-Ray Burst from Dying Star

The burst detected by NASA's Fermi Gamma-ray Space Telescope on 26th August, 2020, turned out to be one of the shortest gamma-ray bursts caused by the death of massive stars.
Sheena

Updated: Jul 30, 2021 12:33:50 pm

30 July 2021 Current Affairs:Indian astronomers were part of a team that discovered the shortest Gamma-Ray Bursts from a dying star.

Highlights:
♦ A team of astronomers detected a very short but powerful burst of high-energy radiation that lasted about a second and has been flying towards Earth for nearly half the age of the present universe.
♦ The burst detected by NASA's Fermi Gamma-ray Space Telescope on 26th August, 2020, turned out to be one of the shortest gamma-ray bursts caused by the death of massive stars.
♦ The GRB has been designated as GRB 200826A, after the date it occurred.
♦ GRB 200826A was a brief burst of high-energy emission that lasted only 0.65 seconds. The signal had stretched out to about one second in length after travelling for aeons through the expanding universe when it was detected by Fermi's Gamma-ray Burst Monitor.
 
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