Magazine IAC News, N.1 -2005. Summary: 20 years ago... Inauguration of the IAC and its Observatories, Meeting of the IAC Governing Board, Inauguration of the CALP, The Age of Elliptical Galaxies, A Great Lens for EMIR, A New Physical Process of Microwave Emission, Playing Opposites, Impact on Tempel 1, Comet Machholz, Mechanical Structure, Tertiary Mirror, Thesis, Congress "Ultralow mass star formation and evolution", Congress "Adaptive Optics-Assisted Integral-Field Spectroscopy", Congress "Einstein and the changing world views of Physics 1905/2005", La I Asamblea Nacional de Astronomía, Interviews with Agustín Sánchez Lavega, Luis Felipe Rodríguez Jorge, Gustav A. Tammann and Olivier Lefèvre. Hevelius: a lynx view. First retirement of the IAC: tribute to Juan Ruiz Agüí. AURA invites the IAC. Visits. Dissemination: Aula 2005, "Madrid por la Ciencia" fair, COSMOEDUCA: Special Relativity, Didactic Unit: "Diseña un viaje a Marte", Short: "La ciudad relativa", Conferences and others". Prizes. Art and Science: The pencil formula. The reality of fiction: The war of the worlds.
