HerculesāCorona 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 +27Ā° 45ā² 0ā³
Binding mass: 2Ć1019 Mā
Redshift: 1.6 to 2.1
Constellations: Hercules, Corona Borealis, Lyra, Boƶtes, Draco
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