2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/7504The problem of explaining the acceleration of the expansion of the universe and the observational and theoretical difficulties associated with dark matter and dark energy are discussed. The possibility that Einstein gravity does not correctly describe the large-scale structure of the universe is considered and an alternative gravity theory is proposed as a possible resolution to the problems.14 pages, no figures, LaTex file. Minor corrections and additional text, references added. Typos correctedAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext