Abstract
view Abstract Citations (19) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Methane absorption in the visible spectra of the outer planets and Titan. Owen, T. ; Cess, R. D. Abstract New spectra of Jupiter, Saturn, and Titan show weak methane bands in the region below 6000 A which have been known for many years in the spectra of Uranus and Neptune. Adopting the known abundance of methane on Jupiter, we have used a band model to determine CH4 abundances and broadening pressures for the other objects. The results indicate high values of the CH4 to H2 concentration ratio for Uranus and Neptune; for Titan, a surface pressure in excess of 1 atm is implied. Publication: The Astrophysical Journal Pub Date: April 1975 DOI: 10.1086/181771 Bibcode: 1975ApJ...197L..37O Keywords: Absorption Spectra; Methane; Molecular Absorption; Planetary Atmospheres; Titan; Jupiter Atmosphere; Neptune (Planet); Planetary Radiation; Saturn (Planet); Spectral Line Width; Uranus (Planet); Lunar and Planetary Exploration full text sources ADS |
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