2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34798The cosmological constant problem is reviewed and a possible quantum gravity resolution is proposed. A space satellite Eötvös experiment for zero-point vacuum energy is proposed to see whether Casimir vacuum energy falls in a gravitational field at the same rate as ordinary matter.8 pages. No figures. Latex file. Talk given at QFEXT03, University of Oklahoma, Norman, Oklahoma, September 15-19, 2003. To be published in the proceedings by Rinton PressGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext