Minor Components of Europa's Atmosphere

Details Minor Components of Europa's Atmosphere Minor Components of Europa's Atmosphere

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.1104c&link_type=abstract

American Astronomical Society, DPS meeting #39, #11.04; Bulletin of the American Astronomical Society, Vol. 39, p.429

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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 has been detected by Earth-based telescopes: the aurora of its O2 atmosphere was detected from Earth orbit and scattered sunlight from 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 models of these as-yet-undetected components and review what is known of the O2 and alkali atmospheres. Of particular interest is the detectability of these species with an orbiting mass spectrometer or more distant light spectrometer.

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