2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/13394I briefly review recent developments in the study of circumstellar debris disks, particularly at infrared and sub-millimeter wavelengths, and discuss possible avenues of research for the near future.4 pages, includes one color PostScript figure, to appear in Proceedings of the Vatican Observatory Symposium on Astrophysics Research and Science EducationAstrophysicstext