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Loading contentThe statistical distribution of matter across the Universe on the largest scales.
Beyond individual galaxies and clusters, matter follows a measurable statistical pattern that encodes cosmological parameters. Surveys of millions of galaxies test the ΛCDM model against this pattern.
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).