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Local Group

The Local Group (also called M31 group or the Andromeda 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.

Note:   The above text is excerpted from the Wikipedia article "Local Group", which has been released under the GNU Free Documentation License.
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