Hercules–Corona Borealis Great Wall or the Great GRB Wall is the largest known structure in the observable universe, measuring approximately 10 billion light years in length.
Coordinates: RA 17h 0m 0s | Dec +27° 45′ 0″
Binding mass: 2×1019 M☉
Redshift: 1.6 to 2.1
Constellations: Hercules, Corona Borealis, Lyra, Boötes, Draco
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