EntityQ1079806· pop 17· linked from 6 articlesphoton epochSign in to saveperiod in the evolution of the early universe in which photons dominated the energy of the universeConnectionschronology of the universeEntitycosmic microwave backgroundEntityinflationEntityultimate fate of the universeEntityAlbert EinsteinPersonIsaac NewtonPersonGalileo GalileiEntityuniverseEntityNicolaus CopernicusEntityStephen HawkingPersonJohannes KeplerEntityBig BangEntityInternational Standard Book NumberEntityplasmaEntityphotonEntityChristiaan HuygensEntityWayback MachineEntitydigital object identifierEntityEdwin HubbleEntitydark matterEntityCategoriesBig BangPhysical cosmology