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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