Sloan Great Wall
The Sloan Great Wall (SGW) is a cosmic structure formed by a giant wall of galaxies (a galaxy filament). The wall measures 1.37 billion light-years (1.30×1025 m) in length, located approximately one billion light-years away.
The Sloan Great Wall (SGW) is a cosmic structure formed by a giant wall of galaxies (a galaxy filament). The wall measures 1.37 billion light-years (1.30×1025 m) in length, located approximately one billion light-years away.