local group

     

The Local Group is the group of galaxies that inclues our galaxy, the Milky Way. The group comprises over 35 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 E+22 m for distance comparisons) and have a binary (dumbbell) shape. The group is estimated to have a total mass of (1.29 ± 0.14)×1012M☉. The group itself is one of many within the Virgo Supercluster (i.e. the Local Supercluster).

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