2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/113100The Fermi Paradox is discussed in the light of the inflationary and brane world cosmologies. We conclude that some brane world cosmologies may be of relevance for the problem of civilizations spreading across our galaxy, strengthening the Fermi Paradox, but not the inflationary cosmologies, as has been proposed.Chapter of the book `Trends in General Relativity and Quantum Cosmology', Nova Science Eds, New York, 2006, with several minor improvementsPopular PhysicsAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - TheorySpace Physicstext