2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33832The basics of the relativistic astrophysics including the celestial mechanics in weak field, black holes and cosmological models are illustrated and analyzed by means of Maple 6LaTeX, 124 pages, 34 figures, maple2e.sty, worksheet is accessible on http://www.geocities.com/optomaplevGeneral Relativity and Quantum Cosmologytext