Scientists detected an unusual energy peak in the BOAT gamma-ray burst, discovering the first high-confidence emission line in 50 years of GRB studies.
Long gamma-ray bursts are linked to massive star deaths forming neutron stars or black holes, while short bursts result from mergers like neutron stars colliding with black holes.
Confirmation of kilonovas linked to short gamma-ray bursts was achieved in 2017 when LIGO detected gravitational wave signals from neutron star mergers alongside powerful gamma-ray bursts.
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