EntityQ956803· pop 5· linked from 59 articlesdiffusion dampingSign in to savephysical processConnectionscosmic microwave backgroundEntitygalaxyEntityphotonEntityHubble–Lemaître lawEntitygalaxy clusterEntityAlbert EinsteinPersonIsaac NewtonPersonGalileo GalileiEntityatomEntityhydrogenEntityuniverseEntityNicolaus CopernicusEntityheliumEntityStephen HawkingPersonJohannes KeplerEntityBig BangEntityelectronEntitytemperatureEntityInternational Standard Book NumberEntityprotonEntityCategoriesPhysical cosmology