Modeling Minor Constituents of Europa's Atmosphere

Details Modeling Minor Constituents of Europa's Atmosphere Modeling Minor Constituents of Europa's Atmosphere

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p53b1249c&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P53B-1249

Other

6005 Atmospheres (1060), 6008 Composition (1060), 6009 Aurorae, Airglow, And X-Ray Emission, 6221 Europa

Scientific paper

A spacecraft orbiting Jupiter's moon Europa, of the sort considered by both ESA and NASA, would provide an opportunity to determine the composition and morphology of its tenuous atmosphere. Europa's atmosphere, though tenuous, has been detected by Earth-based telescopes. Its O2 atmosphere was detected from Earth orbit and its much thinner alkali atmosphere was detected by ground-based telescopes. Many other species are expected based on surface reflectance spectra, such as H2O, Sn, SO2, CO2, H2O2. I will discuss the issues involved in the modeling of these as-yet-undetected components. Previous theoretical studies and observations of the atmosphere produced important conclusions about the surface and its interaction with the Jovian magnetosphere. The modeling and detection of minor components could reveal much more. Of particular interest is the detectability of these species with an orbiting mass spectrometer or more distant light spectrometer.

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