2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/4813We review the characteristics of the dust continuum emission from normal galaxies, as revealed by the ISOPHOT Virgo Cluster Deep Survey (Tuffs et al. 2002; Popescu et al. 2002, Popescu & Tuffs 2002b).5 pages (Latex), 4 included figures (eps and ps); selected topics from the invited talk held at the Ringberg Workshop on the Virgo Cluster, 14-17 June 2002Astrophysicstext