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Galaxy Walls, galaxy filaments, galaxy sheets and supercluster complexes are the largest known structures in the universe. They are massive thread-like formations, with a typical length of 50 to 80 megaparsecs/h, that form boundaries between large voids and supervoids in the universe. Filaments are gravitationally bound galaxies. Parts wherein many galaxies are close to one another are called superclusters.
This is the Cosmic Web, the massive structure which describes the 3D distribution of matter in the universe. The bright parts are the galaxy filaments, places where clusters and supercluster of galaxies form. Surrounded by filaments are the dark void regions of spacetime - the supervoids.
Hercules Corona Borealis Great Wall is a massive galactic superstructure, a galaxy wall. The significant amount of dark matter of the Hercules Corona Borealis Great Wall, also known as Great GRB Wall, may be similar to this cluster. It is the largest galactic superstructure of galaxies ever discovered and has a mean size of 10 billion light years or about 3 billion parsecs.
Light travels at 299,792,458 meters / second in vacuum and 1 light year is the distance travelled by it at this immense speed in 1 year, which is about 9.461 trillion kilometers. However, the Great GRB Wall is so huge that it takes light 10 billion years to travel once across it.
It has a mind boggling mass of 2 × 10 ^ 19 solar mass, or 20 million trillion times the mass of the Sun, and may contain many billions of galaxies, with each of them containing about 100 billion stars in it. It is 8 times larger than the theoretical limit of 1.2 billion light years, thus contradicting the cosmological principle, and is larger than the Huge-LQG (Large Quasar Group), previously considered the largest structure, which is 4 billion light years.
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Animation clips: NASA/ESA, spacetelescope.org
Music: Interloper by Kevin MacLeod is licensed under a Creative Commons Attribution license ([ Ссылка ])
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