AUTHOR=Greco Antonella , Perrone Denise , Lavraud Benoit , Chasapis Alexandros TITLE=Editorial: Improving the Understanding of Kinetic Processes in Solar Wind and Magnetosphere: From CLUSTER to Magnetospheric Multiscale Mission JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2020.549935 DOI=10.3389/fspas.2020.549935 ISSN=2296-987X