gamma

One of the most powerful ever detected: Astronomers determine the source of a rare massive burst of gamma rays

One of the most powerful ever detected: Astronomers determine the source of a rare massive burst of gamma rays

Artist’s impression of a gamma-ray burst just after the collapse of its progenitor star. Credit: Nuria Jordana-Mitjans/University of Bath Scientists determine that a gamma-ray burst detected on Earth was caused by a space explosion that occurred less than 900 million years ago. On September 5, 2021, light from a Highly Energetic Gamma Burst (GRB) – …

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Astronomers trace short bursts of gamma rays farther into the distant universe

Astronomers trace short bursts of gamma rays farther into the distant universe

Using several highly sensitive instruments and sophisticated galaxy modeling, the researchers identified the galactic foci of 84 SGRBs and probed the characteristics of 69 of the identified host galaxies. Credit: Image by WM Keck Observatory/Adam Makarenko The most robust inventory to date lists host galaxies and characteristics of SGRBs. Using observations and modeling, astronomers have …

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