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Environmental effects on dust around Europa

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Open Research Online The Open University’s repository of research publications and other research outputs Environmental effects on dust around Europa Conference Item How to cite: Miljkovic, K.; Mason, N. J. and Zarnecki, J. C. (2010). Environmental effects on dust around Europa. In: 41st Lunar and Planetary Science Conference, 1-5 March 2010, Houston. For guidance on citations see FAQs. c© 2010 The Authors Version: Accepted Manuscript Link(s) to article on publisher’s website: Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copy- right owners. For more information on Open Research Online’s data policy on reuse of materials please consult the policies page. ENVIRONMENTAL EFFECTS ON DUST AROUND EUROPA. K. Miljković1,2, N. J. Mason1 and J. C. Zar- necki1, 1Centre for Earth, Planetary, Space and Astronomical Research, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK, 2Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, UK. ([email protected]). Introduction: A dust model has been developed in order to explore the dust environment around Eu- ropa. The dust is composed of five different dust popula- tions: (i) asteroidal and (ii) halo dust populations as part of the interplanetary dust particle (IDP) popula- tion [1]; (iii) interstellar dust (ISD) [2]; (iv) the Io stream and [3] (v) ring dust that originate from inside Jupiter’s system itself [4-5]. Critically for this study, we have also modelled the dust ejected from the sur- face of Europa by micrometeoroids impact. Should the ejected dust be a significant proportion of the total dust environment around Europa, a dust analyzer in orbit around Europa could collect some of this dust and hence provide data on the surface composition of Europa. Method: The impacting dust fl

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