Brad Meyer

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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(More)
The members of the Committee appointed to examine the dissertation of JAMES BRANTLY STANTON find it satisfactory and recommended that it be accepted. _________________________________ Chair _________________________________ _________________________________ _________________________________ ii ACKNOWLEDGMENTS I am especially grateful to my major advisor,(More)
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