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physical object > natural object > celestial body > collection of stars > collection of galaxies > supercluster

supercluster
subject			fact

supercluster	has number of clusters
	has definition A cluster of clusters of galaxies. Superclusters are typically about one hundred million (108) light-years in diameter and contain tens of thousands of galaxies.
	is a kind of collection of galaxies
collection of galaxies	has number of galaxies
collection of stars	has number of stars
	has catalog catalog about star systems
celestial body	has spectra
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of supercluster :

• Local Supercluster (8 facts) (Virgo supercluster) - The supercluster to which the Local Group belongs. It is shaped like a cigar, with the Virgo cluster of galaxies at its center and the Local Group near one end., A loosely knit assemblage of some 100 clusters of galaxies, including the Local Group., The supercluster of galaxies to which the Local Group may belong (see Virgo Supercluster). De Vaucouleurs lists 54 groups of galaxies in the LSC (R ≈ 17 Mpc)., An aggregation of galaxies - roughly ten thousand of them - to which the Virgo Cluster and our own galaxy belong.
• Perseus-Pisces region (3 facts) - A region of space containing a huge congregation of galaxies called a supercluster. The galaxies in this supercluster appear to be distributed in a long chain.

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