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    Testing the Link Between Terrestrial Climate Change and Galactic Spiral Arm Transit

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    Overholt_ku_0099M_10783_DATA_1.pdf (433.0Kb)
    Issue Date
    2010-04-19
    Author
    Overholt, Andrew
    Publisher
    University of Kansas
    Format
    15 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Physics & Astronomy
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    We re-examine past suggestions of a close link between terrestrial climate change and the Sun's transit of spiral arms in its path through the Milky Way galaxy. These links produced concrete fits, deriving the unknown spiral pattern speed from terrestrial climate correlations. We test these fits against new data on spiral structure based on CO data that does not make simplifying assumptions about symmetry and circular rotation. If we compare the times of these transits to changes in the climate of Earth, not only do the claimed correlations disappear, but also we find that they cannot be resurrected for any reasonable pattern speed.
    URI
    http://hdl.handle.net/1808/6466
    Collections
    • Theses [3711]
    • Physics and Astronomy Dissertations and Theses [68]

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    785-864-8983
    KU Libraries
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    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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