- Source: Palomar 4
Palomar 4 is a globular cluster of the Milky Way galaxy belonging to the Palomar Globular Clusters group. It was discovered in 1949 by Edwin Hubble and again in 1955 by A. G. Wilson. It is calculated to be 100,000 parsecs (330,000 light-years) from the Sun.
This star cluster is further away than the SagDEG satellite galaxy.
Initially it was thought to be a dwarf galaxy, and it was given the name Ursa Major Dwarf. However, it was later discovered to be a globular cluster.
See also
Ursa Major Dwarf
References
External links
Media related to Palomar 4 at Wikimedia Commons
Palomar 4 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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