baryon acoustic oscillation

== English == === Noun === baryon acoustic oscillation (plural baryon acoustic oscillations) one of the regular periodic fluctuations in the density of the visible baryonic matter of the universe ==== Synonyms ==== BAO (abbreviation) ==== Coordinate terms ==== pressure wave sound wave visible matter baryonic matter ==== Derived terms ==== BAO (abbreviation) ==== Related terms ==== baryonic matter ==== See also ==== large-scale structure cosmic web filament of galaxies / galaxy filament / FoG sheet of galaxies / galaxy sheet / SoG wall of galaxies / galaxy wall / WoG hypercluster / galaxy hypercluster / hypercluster of galaxies / HCl / HClG / HC / HCG supercluster complex / galaxy supercluster complex / complex of superclusters / complex of galaxy superclusters / complex of superclusters of galaxies cluster of superclusters / cluster of galaxy superclusters / cluster of superclusters of galaxies void / cosmic void supervoid / cosmic supervoid inflation / cosmic inflation / inflation theory / inflationary theory / inflationary period