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• 21:31, 25 January 2026 DanteWashere talk contribs created page Baryon acoustic oscillations (Created page with "'''Baryon acoustic oscillations''' are periodic fluctuations in the density of visible matter caused by pressure waves in the early universe. They are imprinted in the large-scale distribution of galaxies. Baryon acoustic oscillations are discussed in cosmology, astrophysics, and large-scale structure studies. == Status == Baryon acoustic oscillations are measured through galaxy surveys and used as a standard scale for constraining cosmological parameters. Ongoing obse...")