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AsteriaStar
Astrophysical object

Cosmic Filament

Cosmology & UniverseEstablished Science

Definition

A thread of galaxies and dark matter stretching between clusters, forming the strands of the cosmic web.

Scientific overview

Filaments are the largest thread-like structures in the Universe, channelling galaxies and gas between clusters and bounding the great voids. They contain much of the 'missing' ordinary matter as warm-hot intergalactic gas.

Knowledge connections

Sources & references

The primary and reference sources this topic draws on.

  • ESOEuropean Southern Observatory

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

  • 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.