2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/13012The formation, structure and evolution of protoplanetary discs is considered. The formation of giant planets within the environment of these models is also discussed.22 pages, LaTeX (including 6 figures), uses paspconf.sty, epsf.sty and rotate.sty, to be published in Proceedings of the EC Summer School on 'Astrophysical Discs', eds J. A. Sellwood and J. Goodman, ASP Conf. SeriesAstrophysicstext