""This event is unlike any other seen in 50-years of GRB observations,""
""GRBs are catastrophic events, so they are expected to go off just once because the source that produced them does not survive the dramatic explosion,""
A gamma-ray burst repeated multiple times within a single day, an unprecedented occurrence for GRBs. Gamma-ray bursts normally unleash enormous energy in seconds as a massive star collapses and is obliterated, producing a single catastrophic event. Known GRB pathways include core-collapse supernovae and thermonuclear explosions on white dwarfs in close binaries, the latter capable of producing repeated explosions in different contexts. The observed repeated GRB cannot be fully explained by existing scenarios because the progenitor is expected to be destroyed by a single explosion, leaving the energy source and mechanism behind the repetitions unclear.
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