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Local Group

noun

, Astronomy.
  1. the group of galaxies, at least 25 of which are known, that includes the Milky Way.


Local Group

noun

  1. astronomy the cluster of galaxies to which our galaxy and the Andromeda Galaxy belong


Local Group

  1. A group of more than 30 galaxies that includes 2 large spiral galaxies—the Milky Way and Andromeda—as well as numerous smaller galaxies, many of which are dwarfs. The Local Group has a diameter of approximately 10 million light-years, with its gravitational center located between our galaxy and the Andromeda galaxy. It is part of a larger grouping known as the Virgo supercluster.


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Word History and Origins

Origin of Local Group1

First recorded in 1915–20

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Example Sentences

The Coma Cluster, like the Local Group, is the end product of billions of years of cosmic evolution.

More directly, the U.S. embassy in Oslo last year gave a local group nearly $5,500 for the Cold War larp A Doomsday Eve.

The state and local group in Virginia is nearly equally divided between school and non-school personnel.

Lizard man, in local group Emu, might marry Snipe woman also in local group Emu, as far as extant totem law now goes.

In efflux of time that rule, become habitual, would be, "No marriage within the local group."

Emu local group is now full of members of Snipe, Lizard, and other animal-named members by maternal descent.

This theory is no original idea, it is Mr. McLennan's mode of accounting for the heterogeneity of the local group.

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