Quick Read
The Local Group is a neighbourhood of galaxies that includes the Milky Way and Andromeda.
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Its representative boundary spans roughly ten million light-years and has no hard surface.
In Depth
Membership is assessed from position and gravitational association, so the boundary is representative rather than a fixed sphere.
Scale measurement
10,000,000 ly · boundary
Quick facts
- It contains the Milky Way.
- It contains Andromeda.
- It includes dozens of galaxies.
Related objects
- contains: Milky Way
- contains: Andromeda Galaxy
- member-of: Virgo Supercluster