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AsteriaStar
Cosmic structure · ≈ 520 million light-years across

Laniakea Supercluster

The vast supercluster the Milky Way belongs to, defined in 2014 by the flows of galaxies toward a common gravitational focus. It contains around a hundred thousand galaxies across half a billion light-years.

Highlights

  • Our home supercluster, defined by galaxy flows

Knowledge connections

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.