AUTHOR=Ruddick Kevin George , Bialek Agnieszka , Brando Vittorio Ernesto , Dogliotti Ana Ines , Doxaran David , Goyens Clemence TITLE=Editorial: Optical radiometry and satellite validation JOURNAL=Frontiers in Remote Sensing VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/remote-sensing/articles/10.3389/frsen.2025.1585494 DOI=10.3389/frsen.2025.1585494 ISSN=2673-6187