2009/10/01 by A. Dinculescu, Dinculescu, A.
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Relativity and Gravitational Theory #astro-ph.CO
paper · pdf · doi:10.48550/arxiv.0910.0198
5 pages
arxiv created 2009/10/01 · arxiv updated 2009/12/01
The ratio of the self-gravitational energy density of the scattering particles in the universe to the energy density of the scattered photons in the cosmic microwave background (CMB) is the same in any volume of space. These two energy densities are equal at a radiation temperature on the order of the present CMB temperature.