2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123288It is argued that constraints on time variation of the gravitational constant (dG/dt)/G, e.g. derived from the lunar laser ranging, cannot be immediately applied to restrict the cosmological expansion at planetary scales, as it was done by Williams, Turyshev, and Boggs [PRL, 93, 261101 (2004), arXiv:gr-qc/0411113].REVTeX4, 1 pageGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - Phenomenologytext