Dipole repeller
Center of effective repulsion in the large-scale flow of galaxies near the Milky Way / From Wikipedia, the free encyclopedia
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The dipole repeller is a center of effective repulsion in the large-scale flow of galaxies in the neighborhood of the Milky Way, first detected in 2017.[1][2][3] It is thought to represent a large supervoid, the Dipole Repeller Void.[4]
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The dipole repeller is directly opposed to the Shapley Attractor, an over-density of galaxies located in the Shapley Supercluster. The dipole repeller's apparent repulsion is due to matter in the vicinity being pulled towards the Shapley Attractor, along with the Great Attractor. Due to this, the dipole repeller has likely become devoid of matter, causing an apparent repulsion on galaxies between the repeller and the Shapley Attractor.[5]