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Article Dans Une Revue Space Science Reviews Année : 2023

Future Directions for the Investigation of Surface-Bounded Exospheres in the Inner Solar System

Résumé

Surface-bounded exospheres result from complex interactions between the planetary environment and the rocky body's surface. Different drivers including photons, ion, electrons, and the meteoroid populations impacting the surfaces of different bodies must be considered when investigating the generation of such an exosphere. Exospheric observations of different kinds of species, i.e., volatiles or refractories, alkali metals, or water group species, provide clues to the processes at work, to the drivers, to the surface properties, and to the release efficiencies. This information allows the investigation on how the bodies evolved and will evolve; moreover, it allows us to infer which processes are dominating in different environments. In this review we focus on unanswered questions and measurements needed to gain insights into surface release processes, drivers, and exosphere characterizations. Future opportunities offered by upcoming space missions, ground-based observations, and new directions for modelling are also discussed.
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Dates et versions

insu-04209795 , version 1 (18-09-2023)

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Anna Milillo, Menelaos Sarantos, Cesare Grava, Diego Janches, Helmut Lammer, et al.. Future Directions for the Investigation of Surface-Bounded Exospheres in the Inner Solar System. Space Science Reviews, 2023, 219, pp.49. ⟨10.1007/s11214-023-00994-8⟩. ⟨insu-04209795⟩
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