2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5045We present three-dimensional numerical simulations of the interaction of a circular-orbit planet with a protoplanetary disk. We calculate the flow pattern, the accretion rate, and torques on the planet. We consider planet masses ranging from 1 Earth mass to 1 Jupiter mass.4 pages, 2 embedded figures, 4 GIF figures. Postscript version with all figures embedded available at http://www.astro.ex.ac.uk/people/mbate To appear in "Scientific Frontiers in Research on Extrasolar Planets", D. Deming, edAstrophysicstext