Computer Science – Numerical Analysis
Scientific paper
Feb 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975georl...2...49w&link_type=abstract
Geophysical Research Letters, vol. 2, Feb. 1975, p. 49-51.
Computer Science
Numerical Analysis
1
Atmospheric Models, Electron Density Profiles, Io, Planetary Atmospheres, Planetary Ionospheres, Satellite Observation, Abundance, Atmospheric Chemistry, Gas Composition, Ionizing Radiation, Neon, Numerical Analysis, Pioneer 10 Space Probe, Plasma Temperature
Scientific paper
A neon atmosphere and ionosphere is proposed for Io, based on Pioneer 10 observations of the peak electron number density, height of the peak above the surface, and the topside plasma scale height. Calculations of mass, momentum and energy equations for a neon atmosphere yield results that are in reasonable agreement with the observations. A nitrogen atmosphere and a neon-argon-helium atmosphere are also considered. Calculations of the electron number density of a neon ionosphere also yield reasonable agreement with observations. It is noted that Io has about the same mass and radius as the moon, and that Apollo mass spectrometer measurements indicated an abundance of neon in the lunar atmosphere. The presence of other elements, such as hydrogen, helium, and sodium, in Io's atmosphere is also discussed.
Michelson Peter F.
Reynolds Ray T.
Whitten Robert C.
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