Engineering topics
Shirley, J.
Publications and source records attributed to Shirley, J..
A Widespread Low-Latitude Diurnal CO2 Frost Cycle Revealed by Mars Climate Sounder
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Europa Geophysical Explorer Mission Concept Studies
This slide presentation discusses the studies done to outline the concept of a explorer mission to the Jovian Moon, Europa, that would allow a further understanding of the Geophysics of that moon. Included in the presentation are an outline of the possible trajectory, including flyby assists, a listing of the science objectives and the scientific instruments that would be used in the completion of the objectives.
Searching for subsurface lunar water ice using a small RPS-powered rover
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Io's thermal regimes non-SO(sub 2) constituents
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The relationship between Io's thermal regimes and non-SO(sub 2) surface constituents
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Galileo's last fly-bys of Io: NIMS observation of Loki, Tupan, and Emakong
This paper will discuss observations from the 2001 fly-bys of Io and present preliminary results from the last Galileo Io fly-by.
Io: Near infrared absorptions not attributable to SO(sub 2)
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Water Ice Grain Size Variations on Europa
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Galileo NIMS Observations of Europa
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A close-up look at Io from Galileo's near-infrared mapping spectrometer
Infrared spectral images of Jupiter's volcanic moon Io, acquired during the October and November 1999 and February 2000 flybys of the Galileo spacecraft, were used to study the thermal structure and sulfur dioxide distribution of active volcanoes. Loki Patera, the solar system's most powerful known volcano, exhibits large expanses of dark, cooling lava on its caldera floor. Prometheus, the site of long-lived plume activity, has two major areas of thermal emission, which support ideas of plume migration. Sulfur dioxide deposits were mapped at local scales and show a more complex relationship to surface colors than previously thought, indicating the presence of other sulfur compounds.
A close-up look at Io from Galileo's Near-Infrared Mapping Spectrometer
Infrared spectral images of Jupiter's volcanic moon Io, acquired during October and November 1999 flybys of the Galileo spacecraft, were used to study the thermal structure and sulfur dioxide distribution of active volcanos.
Upper Limits for Sodium and Magnesium Hydroxide on Europa
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Hydrogen Peroxide on the Surface of Europa
Spatially resolved infrared and ultraviolet wavelength spectra of Europa's leading, anti-jovian, quadrant observed from the Galileo spacecraft show absorption features due to hydrogen peroxide.
Near- Infrared Spectroscopy and Spectral Mapping of Jupiter and the Galilean Satellites: Results from Galileo's Initial Orbit
The Near Infrared Mapping Spectrometer performed spectral studies of Jupiter and the Galilean satellites during the June 1996 perijove pass of the Galileo spacecraft.