Looking up at the night sky, it may seem our cosmic neighborhood is packed full of planets, stars and galaxies ... Latest stories. HK stablecoin ... These fluctuations are now imprinted in the CMB, and dubbed “baryon acoustic oscillations” (BAOs) ... Image. NASA.
Baryons are subatomic particles made up of an odd number of quarks. Protons and neutrons found at the center of atoms are a type of baryon, but there is a whole menagerie of other baryons made of rarer and more unstable quarks.