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Unprecedented gamma-ray burst defined by long-lived jet

Whereas astrophysicists beforehand believed that solely supernovae may generate lengthy gamma-ray bursts (GRBs), a 2021 remark uncovered proof that compact-object mergers can also generate the phenomenon. Now, a brand new simulation confirms and explains this discovering. If the accretion disk across the black gap is huge, it launches a jet that lasts a number of seconds, matching the outline of an extended GRB from a merger.