Cosmic Echoes of theCosmic Echoes of theUniversesee.How sound waves shape the cosmos weCosmology and Nongalactic AstrophysicsThe Echoes of the Cosmos: Baryon Acoustic OscillationsExplore how Baryon Acoustic Oscillations shape our understanding of the universe.2025-04-05T23:35:56+00:00 ― 7 min read