gammaray

Unexpected Kilonova discovery: colossal explosion challenges our understanding of gamma-ray bursts

Unexpected Kilonova discovery: colossal explosion challenges our understanding of gamma-ray bursts

This artist’s impression shows a kilonova produced by the collision of two neutron stars. By studying the consequences of a long gamma-ray burst (GRB), two independent teams of astronomers using a multitude of telescopes in space and on Earth, including the Gemini North Telescope in Hawai’i and the Gemini South Telescope in Chile, discovered the …

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New kilonova causes astronomers to rethink what we know about gamma-ray bursts

New kilonova causes astronomers to rethink what we know about gamma-ray bursts

Enlarge / Artist’s impression of GRB 211211A. The kilonova and gamma burst is on the right. Aaron M. Geller/Northwestern/CIERA A year ago, astronomers discovered a powerful gamma-ray burst (GRB) lasting nearly two minutes, dubbed GRB 211211A. Now, this unusual event upends the long-held assumption that longer GRBs are the distinctive signature of a massive stellar …

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