2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/226006A mathematical model of the natural origin of our universe is presented. The model is based only on well-established physics. No claim is made that this model uniquely represents exactly how the universe came about. But the viability of a single model serves to refute any assertions that the universe cannot have come about by natural means.9 pages, 4 figures. Published in slightly longer form in Philo 9, no. 2 (2006): 93-102. This paper is written at about the senior physics major level in order to reach the widest possible audienceGeneral Relativity and Quantum CosmologyPopular Physicstext