Planck 2018 results. I. Overview and the cosmological legacy of Planck
Planck 2018 results. I. Overview and the cosmological legacy of Planck
The European Space Agencyā€™s Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave and submillimetre sky continuously between 12 August 2009 and 23 October 2013, producing deep, high-resolution, all-sky maps in nine frequency bands from ā€¦