2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/122162We present the main scientific goals and characteristics of the ESA Planck satellite mission, as well as the main features of the survey strategy and simulated performance in terms of measuring the temperature and polarization of the Cosmic Microwave Background fluctuations.4 pages, proc. of the "Challenges in particle astrophysics" conf. held in Hanoi, Aug. 2006Astrophysicstext