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Photometric and spectral analysis of the distribution of crystalline and amorphous ices on Enceladus as seen by Cassini

Author(s)
Newman, Sarah F
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Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
Advisor
Richard Binzel.
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MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
Photometric and Spectral analysis of data from the Cassini Visual and Infrared Mapping Spectrometer (VIMS) has yielded intriguing findings regarding the properties and composition of the surface of Saturn's satellite Enceladus. Spectral cubes, which contain both spatial and spectral information, were obtained of this satellite with a wavelength distribution in the infrared far more extensive than from any previous observations and at much higher resolution. Using these cubes, we have discovered a distribution of amorphous and crystalline ices on the southern pole of Enceladus, indicating intense ion bombardment in those latitudes and recent geological activity at the "tiger stripe" cracks. Using a composite mosaic of the satellite, we map this distribution of ices according to a "crystallinity factor" and consider investigation of the time scale of the geologic activity based on amorphization rates in the outer solar system.
Description
Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2006.
 
Cataloged from PDF version of thesis. Pages 26 to 30 missing from original thesis.
 
Includes bibliographical references (pages 30-31).
 
Date issued
2006
URI
http://hdl.handle.net/1721.1/114323
Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Publisher
Massachusetts Institute of Technology
Keywords
Earth, Atmospheric, and Planetary Sciences.

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