FAte of the volatile COmponents at the galilean Moons – FACOM

With the JUICE and Europa-Clipper missions, the Galilean moons will be intensively explored in this decade and the next one. These missions will allow a major leap forward in our understanding of the moons’ formation conditions, provided we properly interpret the data in terms of the physical and chemical processes that took place during their evolution. This theoretical project aims at investigating the formation and evolution scenarios of the Jovian system that led to the current volatile composition of the Galilean moons. Our goal is to establish a link between the present isotopic and chemical composition of the volatile phase present at the surfaces and exospheres of the Galilean moons, their formation conditions within the Jovian circumplanetary disk and the post-formation processes that affected their evolution. Our study will allow future measurements by JUICE and Europa Clipper spacecrafts to disentangle between the existing formation and evolution scenarios of these moons.