Date of Award

12-2006

Document Type

Thesis

Degree Name

Master of Science (MS)

Legacy Department

Physics

Advisor

Meyer, Bradley S

Abstract

The presence of an excess of short-lived radionuclides in the early protoplanetary disk has been inferred from studying how the distribution of the abundances, in materials like Ca-Al-rich inclusions, differ from the solar abundance distribution (SAD). The likely source of these radioactivites is a supernova that ejected material into the early solar system. This thesis will discuss the solar abundance distribution and how a supernova may have contributed a 'late addition' of material into the early solar system. In addition, we have constructed online resources for studying these topics. This thesis will outline the Solar Abundance Tool, which allows a user to study the details of the solar abundance distribution, and the 1d Stellar Ejecta Module, which simulates a simplistic approach to the question of late additions.

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