Dissertation/Thesis Abstract

Crater catalog and analysis of crater distribution on Saturn's moon, Enceladus
by Karpes, Brian Allan, M.S., Northern Illinois University, 2009, 110; 1473907
Abstract (Summary)

This project consists of a catalog of all craters greater than 2.2 km (0.5°) in diameter, and categorizing them in terms of deformations limited to rifting and/or elongation. Publicly available images were obtained from the Cassini Imaging website, and loaded into Adobe Photoshop™ to derive the location and size of the craters.

The distribution of craters was then analyzed by latitude and longitude. The enigmatic distribution of craters is explained by the possibilities that Saturn acts as a planetary shield for the sub-Saturn hemisphere and that the E-ring is weathering and eroding craters on the leading hemisphere. Furthermore, the lack of craters in the trailing hemisphere supports a hypothesis that a south-pole-style hot spot once existed in the eastern hemisphere equatorial region.

Indexing (document details)
Advisor: Stoddard, Paul R.
Commitee: Frank, Mark, Stravers, Jay
School: Northern Illinois University
Department: Geology and Environmental Geosciences
School Location: United States -- Illinois
Source: MAI 48/04M, Masters Abstracts International
Source Type: DISSERTATION
Subjects: Geology, Planetology, Astronomy
Keywords: Crater distribution, Craters, Enceladus, Icy satellites, Saturn
Publication Number: 1473907
ISBN: 9781109601879
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