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Loading contentA vast grouping of galaxy clusters and groups, among the largest structures in the Universe.
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.
Facts on this topic will be cited from these primary and reference sources.
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.
Southern-hemisphere observatory data and imagery (VLT, ALMA partner).