In dictionaries:
Giant GRB Ring
a ring of 9 gamma-ray bursts (GRBs) that may be associated with one of the largest known cosmic structures.
GRB 090423
a gamma-ray burst detected by the Swift Gamma-Ray Burst Mission on April 23, 2009, at 07:55:19 UTC whose afterglow was detected in the infrared and enabled astronomers to determine that its redshift is z = 8.2, making it one of the most distant objects detected at that time with a spectroscopic redshift (GN-z11, discovered in 2016, has a redshift of 11).
GRB 080916C
a gamma-ray burst that was recorded on September 16, 2008, in the Carina constellation and detected by NASA's Fermi Gamma-ray Space Telescope.
GRB 060614
a gamma-ray burst detected by the Neil Gehrels Swift Observatory on June 14, 2006, with peculiar properties.
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