rich galaxy cluster

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• Galaxy groups and clusters — are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.[1] They form the densest part of the large scale structure of the universe. In models for the gravitational formation of… …   Wikipedia

• Ursa Major Cluster — The Ursa Major Cluster (Ursa Major I Cluster, UMa I ClG) is a spiral rich galaxy cluster of the Virgo Supercluster.One of its biggest galaxies are NGC 3631, NGC 3953, M109 on North and NGC 3726, NGC 3938 NGC 4051 on South.The Ursa Major cluster… …   Wikipedia

• Hercules Cluster — Galaxy cluster name = Hercules Cluster epoch = J2000 ra = RA|16|05|15.0cite web title=NASA/IPAC Extragalactic Database work=Results for Abell 2151 url=http://nedwww.ipac.caltech.edu/ accessdate=2007 07 19] dec = DEC|+17|44|55 dis ly = 570 Light… …   Wikipedia

• cluster — 01. Many of Canada s cities are [clustered] along the American border. 02. The grapefruit was named for the way it grows in [clusters], much like grapes, on the tree. 03. The children all [clustered] around the teacher as she began to read the… …   Grammatical examples in English

• Globular cluster — s from the Sun and contains hundreds of thousands of stars. [cite news coauthors =The Hubble Heritage team url = http://hubblesite.org/newscenter/newsdesk/archive/releases/1999/26/ title = Hubble Images a Swarm of Ancient Stars work = HubbleSite… …   Wikipedia

• Open cluster — Galactic cluster redirects here. See also galaxy groups and clusters NGC 265, an open star cluster in the Small Magellanic Cloud An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and… …   Wikipedia

• List of galaxy clusters — This page lists some of the more interesting galaxy clusters and groups.Defining the limits of galaxy clusters is imprecise as many clusters are still forming. In particular, clusters close to the Milky Way tend to be classified as galaxy… …   Wikipedia

• Comet Galaxy — Observation data Constellation Sculptor Distance 3.2 Gly …   Wikipedia

• Elliptical galaxy — An elliptical galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble (whose name was dedicated to the famous Hubble space telescope) in his 1936 work “The Realm of the Nebulae” [cite book… …   Wikipedia

• Brightest cluster galaxy — (BCG) is defined as the brightest galaxy in a cluster of galaxies. BCGs include the most massive galaxies in the universe. They are generally elliptical galaxies which lie close to the geometric and kinematical center of their host galaxy cluster …   Wikipedia

• Norma Cluster — Observation data (Epoch J2000) Constellation(s) Norma …   Wikipedia