The Cosmic Microwave Background (CMB) radiation allows us to study processes of the very early Universe. The detailed study of its anisotropies with the Planck satellite allowed to determine cosmological parameters at unprecedented level of precision. As a byproduct, it also provided important results in several areas of astrophysics such as the detection of clusters through their Sunyavev-Zeldovich signature and characterization of Galactic emission at microwave and infrared wavelengths. The Planck satellite, which was launched in 2009, has completed collecting data and most results have been released. I will review the main achievements of the latest data release and interpretation, including the determination of main cosmological parameters, epoch of star formation, galaxy clusters detection and use. I will also discuss future prospects in CMB studies.
The Cosmos in Microwave Light: Past Achievements and Future Goals