gamma-ray burst

noun
variants: or less commonly gamma ray burst
Updated on: 1 Dec 2017

Definition of 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

Recent Examples of gamma-ray burst from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gamma-ray burst.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of gamma-ray burst

1973


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