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The Hercules–Corona Borealis Great Wall (HCB) [1] [5] or simply the Great Wall [6] is a galaxy filament that is the largest known structure in the observable universe, measuring approximately 10 billion light-years in length (the observable universe is about 93 billion light-years in diameter).
Hercules–Corona Borealis Great Wall (2014) [1] 9,700,000,000–10,000,000,000 [2] [3] [4] Discovered through gamma-ray burst mapping. Existence as a structure is disputed. [5] [6] [7] Giant GRB Ring (2015) [8] 5,600,000,000 [8] Discovered through gamma-ray burst mapping. Largest-known regular formation in the observable universe. [8] Huge-LQG ...
In cosmology, galaxy filaments are the largest known structures in the universe, consisting of walls of galactic superclusters.These massive, thread-like formations can commonly reach 50 to 80 megaparsecs (160 to 260 megalight-years)—with the largest found to date being the Hercules-Corona Borealis Great Wall at around 3 gigaparsecs (9.8 Gly) in length—and form the boundaries between voids ...
The Pisces–Cetus Supercluster Complex is estimated to be about 1.0 billion light-years (Gly) long and 150 million light years (Mly) wide. It is one of the largest structures known in the observable universe, but is exceeded by the Sloan Great Wall (1.3 Gly), Clowes–Campusano LQG (2.0 Gly), U1.11 LQG (2.5 Gly), Huge-LQG (4.0 Gly), and Hercules–Corona Borealis Great Wall (10 Gly ...
From the biggest asteroid to the biggest black hole, check out some of the objects almost too big to imagine.
The largest structure known in the observable universe [4] [10] until it was eclipsed by the Hercules–Corona Borealis Great Wall found one year later. [11] [12] [13]
The eastern part of Vulpecula is occupied by the Hercules–Corona Borealis Great Wall. It is a galaxy filament, with the length of 3,000 megaparsecs, making it the largest known structure in the universe.
T Coronae Borealis is a white dwarf 3,000 light-years from Earth and will be the focal point of the highly anticipated outburst. It last flashed in the sky in 1946 and is predicted to happen again ...