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Home > Local Group

 
The Local Group is the group of galaxies that includes our galaxy, the Milky Way. The group comprises over 30 galaxies, with its gravitational center located somewhere between the Milky Way and the Andromeda Galaxy. The galaxies of the Local Group cover a 10 million light year diameter (see 1 E23 m for distance comparisons). The group belongs to the Virgo Supercluster.

The two most massive members of the group are the Milky Way and the Andromeda Galaxy. These two spirals each have a system of satellite galaxies. The Milky Way's satellite system consists of Sag DEG, Large Magellanic Cloud, Small Magellanic Cloud, Ursa Minor, Draco, Carina, Sectans, Sculptor, Fornax, Leo I, Leo II and Tucana. Andromeda's system comprises M32, M110, NGC 147, NGC 185, And I, And II, And III and And IV. M33, the third largest galaxy in the Local Group may or may not be a companion to the Andromeda galaxy but probably has LGS 3 as a satellite. The other members of the group are gravitionally secluded from these large subgroups.




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Topics: Local Group, Local Color, Local Area Network...

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