Arid
DOI10.1017/S1473550409990140
Habitability on planetary surfaces: interdisciplinary preparation phase for future Mars missions
Peeters, Z.1,2; Quinn, R.3; Martins, Z.4; Sephton, M. A.4; Becker, L.5; van Loosdrecht, M. C. M.6; Brucato, J.7; Grunthaner, F.8; Ehrenfreund, P.1,9
通讯作者Peeters, Z.
来源期刊INTERNATIONAL JOURNAL OF ASTROBIOLOGY
ISSN1473-5504
EISSN1475-3006
出版年2009
卷号8期号:4页码:301-315
英文摘要

Life on Earth is one of the outcomes of the formation and evolution of our solar system and hits adapted to every explored environment on planet Earth. Recent discoveries have shown that life can exist in extreme environments, such as hydrothermal vents, in deserts and in ice lakes in Antarctica. These findings challenge the definition of the ’planetary habitable zone’. The objective of future international planetary exploration programmes is to implement it long-term plan for the robotic and human exploration of solar system bodies. Mars has been a central object of interest in the context of extraterrestrial life. The search for extinct or extant life on Mars is one of the main goals of space missions to the Red Planet during the next decade. In this paper we describe the investigation of the physical and chemical properties of Mars soil analogues collected in arid deserts. We measure the pH, redox potential and ion concentrations, as well as carbon and amino acid abundances of soils collected from the Atacama desert (Chile and Peru) and the Salten Skov sediment from Denmark. The samples show large differences in their measured properties, even when taken only several meters apart. A desert sample and the Salten Skov sediment were exposed to a simulated Mars environment to test the stability of amino acids in the soils. The presented laboratory and field studies provide limits to exobiological models, evidence on the effects of subsurface mineral matrices, support current and planned space missions and address planetary protection issues.


英文关键词habitability Mars soil analogues planetary organics
类型Article
语种英语
国家Netherlands ; USA ; England ; Italy
收录类别SCI-E
WOS记录号WOS:000273383800005
WOS关键词CHROMATOGRAPHY-MASS-SPECTROMETRY ; ATACAMA DESERT ; MERIDIANI-PLANUM ; PROTON IRRADIATION ; HYDROGEN-PEROXIDE ; ORGANIC-COMPOUNDS ; MARTIAN REGOLITH ; MICROBIAL LIFE ; AMINO-ACIDS ; CHILE
WOS类目Astronomy & Astrophysics ; Biology ; Geosciences, Multidisciplinary
WOS研究方向Astronomy & Astrophysics ; Life Sciences & Biomedicine - Other Topics ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/161062
作者单位1.Leiden Inst Chem, NL-2333 CC Leiden, Netherlands;
2.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA;
3.NASA, Ames Res Ctr, SETI Inst, Moffett Field, CA 94035 USA;
4.Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, London SW7 2AZ, England;
5.Johns Hopkins Univ, Baltimore, MD 21218 USA;
6.Delft Univ Technol, Fac Sci Appl, Dept Biotechnol, NL-2628 BC Delft, Netherlands;
7.Osserv Astrofis Arcetri, INAF, I-50125 Florence, Italy;
8.NASA, Jet Prop Lab, Situ Explorat Technol Grp, Pasadena, CA USA;
9.George Washington Univ, Elliott Sch Int Affairs, Inst Space Policy, Washington, DC 20052 USA
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GB/T 7714
Peeters, Z.,Quinn, R.,Martins, Z.,et al. Habitability on planetary surfaces: interdisciplinary preparation phase for future Mars missions[J],2009,8(4):301-315.
APA Peeters, Z..,Quinn, R..,Martins, Z..,Sephton, M. A..,Becker, L..,...&Ehrenfreund, P..(2009).Habitability on planetary surfaces: interdisciplinary preparation phase for future Mars missions.INTERNATIONAL JOURNAL OF ASTROBIOLOGY,8(4),301-315.
MLA Peeters, Z.,et al."Habitability on planetary surfaces: interdisciplinary preparation phase for future Mars missions".INTERNATIONAL JOURNAL OF ASTROBIOLOGY 8.4(2009):301-315.
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