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NGC 218, also known as UGC 480, is a spiral galaxy located approximately 500 million light-years from the Sun[2] in the constellation Andromeda. It was discovered on October 17, 1876 by Édouard Stephan, and is interacting with the galaxy PGC 2726.[4]
See also
References
- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 0218. Retrieved 2016-09-02.
- ^ a b An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
- ^ "UGC 480". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 21 February 2017.
- ^ "New General Catalog Objects: NGC 200 - 249". Cseligman. Retrieved September 10, 2016.
External links
Media related to NGC 218 at Wikimedia Commons- NGC 218 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
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