2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/9056The Magellanic Clouds provide the ideal laboratory for the study of mass loss and molecule and dust formation in red giants as a function of luminosity and metal abundance. I present some recent observational work.Contribution to the proceedings of "The Spitzer Space Telescope: New Views of the Cosmos" (November 2004, Pasadena US). 2 pages, 1 figureAstrophysicstext