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Local Group · ~2.5 million ly

Andromeda Galaxy (M31)

Distance~2.5 million ly
Stars~1 trillion
VisibleNaked eye, dark skies, Oct–Dec from India

The largest galaxy in the Local Group, about 3 million light-years across with its neighbours.

The most distant thing most people can see without a telescope. Drawn schematically on a compressed log scale.

Sources

  1. NASA Hubble: Messier 31 (Andromeda), ~2.5 million ly
See it in 3D →

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