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AsteriaStar
Astrophysical object

Supercluster

Cosmology & UniverseEstablished Science

Definition

A vast grouping of galaxy clusters and groups, among the largest structures in the Universe.

Scientific overview

Superclusters are loose collections of galaxy clusters spanning hundreds of millions of light-years, forming the nodes and ridges of the cosmic web. The Milky Way belongs to the Laniakea Supercluster.

Knowledge connections

Sources & references

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.

  • ESOEuropean Southern Observatory

    Southern-hemisphere observatory data and imagery (VLT, ALMA partner).