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The Ursa Major Cluster (Ursa Major I Cluster, UMa I ClG) is a spiral-rich galaxy cluster of the Virgo Supercluster.
Some of its largest members are NGC 3631, NGC 3953, M109 on North ( M109 Group) and NGC 3726, NGC 3938, NGC 4051 on South.
The Ursa Major cluster is located at a distance of 18.6 mega parsecs (60 million light-years) and contains about 30% of the light emitted but only 5% of the mass of the nearby Virgo Cluster.
External links
- The Ursa Major Cluster on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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