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Experimental evidence for the potential impact ejection of viable microorganisms from Mars and Mars-like planets

Stoffler, Deiter; Horneck, Gerda; Ott, Sieglinde; Hornemann, Ulrich; Cockell, Charles S.; Moeller, Ralf; Meyer, Cornelia; de Vera, Jean-Pierre; Fritz, Jorg and Artemieva, Natalia A. (2007). Experimental evidence for the potential impact ejection of viable microorganisms from Mars and Mars-like planets. Icarus, 186(2) pp. 585–588.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1016/j.icarus.2006.11.007
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Abstract

Bacterial spores (Bacillus subtilis), cyanobacteria (Chroococcidiopsis sp.), and lichen (Xanthoria elegans) embedded in martian analogue rock (gabbro) were exposed to shock pressures between 5 and 50 GPa which is the range of pressures observed in martian meteorites. The survival of Bacillus subtilis and Xanthoria elegans up to 45 GPa and of Chroococcidiopsis sp. up to 10 GPa supports the possibility of transfer of life inside meteoroids between Mars and Earth and it implies the potential for the transfer of life from any Mars-like planet to other habitable planets in the same stellar system.

Item Type: Journal Article
ISSN: 0019-1035
Keywords: Mars; impact processes; astrobiology; meteorites; experimental techniques
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 7886
Depositing User: Kyra Proctor
Date Deposited: 06 Jun 2007
Last Modified: 02 Sep 2011 09:38
URI: http://oro.open.ac.uk/id/eprint/7886
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