Shapley Supercluster
Supercluster in the constellation Centaurus
Shapley Supercluster
The Shapley Supercluster or Shapley Concentration (SCl 124) is one of the largest concentrations of galaxies in the observable universe that forms a bound, gravitationally interacting unit, thereby pulling itself together instead of expanding with the universe. It appears as a striking overdensity in the distribution of galaxies in the constellation of Centaurus. Its center is located roughly 650 million light-years away (z=0.046). Latest observations suggest Shapley Concentration may contain the Laniakea Supercluster (which in turn contains the Local Group, including the Milky Way) along with a few other nearby superclusters that are moving towards the structure.
Read on Wikipedia · Image Judy Schmidt, CC BY 2.0
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