Io's triaxial figure
References (5)
Diamètres des Planetes et Satellites
Diamètres des Planetes et Satellites
Surfaces and Interiors of Planets and Satellites
(1970)Photometry and colorimetry of planets and satellites
Cited by (20)
FIRE - Flyby of Io with Repeat Encounters: A conceptual design for a New Frontiers mission to Io
2017, Advances in Space ResearchCitation Excerpt :Dark materials on the surface, seen in paterae floors, are interpreted to be magnesium silicate lavas (Geissler et al., 1999), though silicates or mafic materials have not been spectroscopically identified on Io. Io’s bulk density and topography does suggest that the underlying materials are silicates (e.g., O’Leary and Flandern, 1972; Clow and Carr, 1980) and there has been speculation that the very high temperature lavas (up to 1700 K) are due to ultramafic magma compositions (e.g., McEwen et al., 1998; Keszthelyi et al., 2007), similar to komatiitic volcanism on the ancient Earth (Williams et al., 2000). Imaging and monitoring of eruption temperatures by FIRE would address questions regarding lava compositions.
A photometric study of mutual phenomena of galilean satellites
1978, Chinese Astronomy
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Much of this work was done while Dr. O'Leary was Visiting Associate in Planetary Sciences at the California Institute of Technology and Jet Propulsion Laboratory, Pasadena, California.