Volatiles and refractories in surface-bounded exospheres in the inner Solar Systemстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 21 июля 2021 г.
Аннотация:Volatiles and refractories represent the two end-members in the volatility range of species inany surface-bounded exosphere. Volatiles include elements that do not interact strongly withthe surface, such as neon (detected on theMoon) and helium (detected both on the Moon andat Mercury), but also argon, a noble gas (detected on the Moon) that surprisingly adsorbs atthe cold lunar nighttime surface. Refractories include species such as calcium, magnesium,iron, and aluminum, all of which have very strong bonds with the lunar surface and thusneed energetic processes to be ejected into the exosphere. Here we focus on the properties ofspecies that have been detected in the exospheres of inner Solar System bodies, specificallythe Moon and Mercury, and how they provide important information to understand sourceand loss processes of these exospheres, as well as their dependence on variations in externaldrivers.