2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/11490Reasons supporting the idea that most of the dark matter in galaxies and clusters of galaxies is baryonic are discussed. Moreover, it is argued that most of the dark matter in galactic halos should be in the form of MACHOs and cold molecular clouds.3 pages, to appear in Proceedings of the 8th Marcel Grosmann Meeting on relativistic Astrophysics, Jerusalem, 22-27 June 1997Astrophysicstext