A Search for Calcium in the Atmosphere of Europa with Ground-based Telescope
Seiko Takagi, Tatsuhiro Tsurumi, Jun Kimura, Taro Matsuo et autres
Abstract Europa’s tenuous atmosphere mainly consists of molecular oxygen, with traces of sodium, potassium, and other elements, potentially reflecting the composition of its surface and interior. While sodium- and magnesium-bearing hydrated salts have been suspected to exist on the surface, other materials …
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Research Notes of the AAS