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A map of the Boötes Void. The Boötes Void (/ b oʊ ˈ oʊ t iː z / boh-OH-teez) (colloquially referred to as the Great Nothing) [1] is an approximately spherical region of space found in the vicinity of the constellation Boötes, containing only 60 galaxies instead of the 2,000 that should be expected from an area this large, hence its name.
It is the largest void in the NGH where z<0.14. ... a cold spot in the cosmic microwave background at the sky ... 25% of average universe density is the void density ...
List of the largest voids Void name/designation Maximum dimension (in light-years) Notes LOWZ North 13788 void: 2,953,000,000: One of largest known voids, containing 109,066 known galaxies. [28] Local Hole: 2,000,000,000: Proposed void containing the Milky Way galaxy and Local Group as an explanation for the discrepancy in the Hubble constant ...
While searching an unusual cold spot in space first discovered more than a decade ago, scientists have discovered what they say is the largest known structure in the universe -- a supervoid, ITN ...
The simultaneous existence of the largest-known voids and galaxy clusters requires about 70% dark energy in the universe today, consistent with the latest data from the cosmic microwave background. [5] Voids act as bubbles in the universe that are sensitive to background cosmological changes.
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 ...
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The Sloan Great Wall (SGW) is a cosmic structure formed by a giant wall of galaxies (a galaxy filament). Its discovery was announced from Princeton University on October 20, 2003, by J. Richard Gott III , Mario Jurić , and their colleagues, based on data from the Sloan Digital Sky Survey .