Galaxy cloud

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"galaxy cluster cloud" redirects here. For the mid-20th-century usage for a 'cloud of clusters', see galaxy supercluster. For the early-through-mid-20th-century usage, see galaxy groups and clusters.

A galaxy cloud or cloud of galaxies is a group of galaxy groups and a substructure of a supercluster. Clouds are regions of higher density of groups and galaxies within superclusters. They have a typical characteristic dimension of 50 Mpc/h. About 25% of all galaxies are members in clouds.[1]

The Virgo Supercluster (to which the Milky Way belongs) contains the Virgo cluster, the Canes Venatici Cloud and the Virgo II Cloud.

List of clouds[edit]

Cloud Data Notes Refs


  1. ^ M. S. Longair (1998). Galaxy Formation. Springer. p. 75. ISBN 9783540637851.