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Ejecta fragmentation in impacts into gypsum and water ice

Miljković, K.; Mason, N. J. and Zarnecki, J. C. (2011). Ejecta fragmentation in impacts into gypsum and water ice. Icarus, 214(2) pp. 739–747.

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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.

Item Type: Journal Article
Copyright Holders: 2011 Elsevier Inc
ISSN: 0019-1035
Keywords: impact processes; ices; satellites; surfaces
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 28877
Depositing User: Anne Green
Date Deposited: 24 Jun 2011 12:25
Last Modified: 23 Feb 2016 21:20
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