AUTHOR=Alessi Elisa Maria , Masdemont Josep , Rossi Alessandro TITLE=Editorial: The Earth–Moon System As a Dynamical Laboratory JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2019.00043 DOI=10.3389/fspas.2019.00043 ISSN=2296-987X