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physical object > natural object > celestial body > collection of stars > collection of galaxies > supercluster > Perseus-Pisces region
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Perseus-Pisces region comparison table
Subject is part of is a kind of is an instance of has definition
supercluster collection of galaxies 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.
Perseus-Pisces regionUniverse superclusterA 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.

Next superclusterLocal Supercluster    Upsupercluster