gamma-ray burst
noun
gam·ma-ray burst
ˈga-mə-ˈrā-
variants
or less commonly gamma ray burst
: a brief, powerful jet of gamma rays detected deep in space that is generated by the collapse and explosion of a celestial object
Eventually, though, the neutron star slows down, probably because of magnetic braking. Then it implodes, touching off a gamma ray burst.—Govert Schilling
—abbreviation GRB
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Merriam-Webster unabridged
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