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    Ejecta fragmentation in impacts into gypsum and water ice

    Access Status
    Fulltext not available
    Authors
    Miljković, Katarina
    Mason, N.
    Zarnecki, J.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Miljkovic, K. and Mason, N. and Zarnecki, J. 2011. Ejecta fragmentation in impacts into gypsum and water ice. Icarus. 214 (2): pp. 739-747.
    Source Title
    Icarus
    DOI
    10.1016/j.icarus.2011.05.036
    ISSN
    0019-1035
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/51782
    Collection
    • Curtin Research Publications
    Abstract

    Using the light gas gun at the Open University's Hypervelocity Impact facility, a series of impact experiments exploring impacts into water ice and gypsum have been performed. Fragmentation of solid ejecta was recorded using two different methods, analysed and compared with the total ejecta. Preliminary results show that the size distribution of the ejecta fragments from water ice is very similar to those from gypsum. These results also represent a step towards a better understanding of ejecta fragmentation in geological materials, including icy surfaces in the Solar System. © 2011 Elsevier Inc.

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