decay products / radiative energy / gas decreases / gas mass / linear law / chemical composition / energy requirements / gas law / gas depletion / gas density drops / gas recycling effect / gas depletion time / interstellar gas / actual gas depletion time / thermal gas pressure / non-zero vacuum energy density / galactic chemical evolution calculations / gas depletion time scale / /
Organization
University of Michigan Ann Arbor / International Monetary Fund / Gregory Laughlin Physics Department / /