AUTHOR=Delzanno Gian Luca , Borovsky Joseph E. , Mishin Evgeny TITLE=Editorial: Active Experiments in Space: Past, Present, and Future 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.2020.00005 DOI=10.3389/fspas.2020.00005 ISSN=2296-987X