Cosmic structure · ≈ 10 million light-years across
The Local Group
The gravitationally-bound group of galaxies the Milky Way belongs to — dominated by the Milky Way and Andromeda, with the Triangulum galaxy and dozens of dwarfs. Andromeda and the Milky Way are approaching, and will merge in a few billion years.
Highlights
- ›Our home group — Milky Way, Andromeda, and dozens of dwarfs
Examples & connections
Knowledge connections
- Associated withThe Milky Way
- Associated withAndromeda Galaxy
- Associated withTriangulum Galaxy
- Associated withDark Matter Halo
- Associated withSatellite Galaxies & Accretion
- Associated withThe Milky Way–Andromeda Collision
- Associated withLocal Group Explorer
- Associated withThe Local Group
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.