Editorial Parker Solar Probe: Ushering a new frontier in space exploration Alves, João ; Forveille, Thierry ; Lellouch, Emmanuel ; Shore, Steve ; Zouganelis, Yannis Abstract Publication: Astronomy and Astrophysics Pub Date: June 2021 DOI: 10.1051/0004-6361/202141385 Bibcode: 2021A&A...650E...1A