Tag: Alphabet of Cosmology
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“B” is for baryon acoustic oscillations (Alphabet of Cosmology)
(The second installment in the irregular series “Alphabet of Cosmology“, in which I introduce a concept or project in cosmology that’s a little out of the ordinary.) Sound waves in the early cosmos Gather ’round, children, and I will tell you a story about the olden days—before there were any stars, galaxies, or even atoms.…