Illustration of the observation of the brightest ever gamma-ray burst (GRB 221009A) by GECAM-C and Fermi/GBM (IMAGE)

Science China Press

Illustration of the observation of the brightest ever gamma-ray burst (GRB 221009A) by GECAM-C and Fermi/GBM

Caption

Joint analysis of the GECAM-C and Fermi/GBM observation data on the brightest ever gamma-ray burst (GRB 221009A) reveals the discovery of gamma-ray line up to 37 MeV, the highest-energy gamma-ray line seen from any celestial object in the universe. Art by Jingchuan Yu.

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Art by Jingchuan Yu.

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