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Creating Habitable Zones, at all Scales, from Planets to Mud Micro-Habitats, on Earth and on Mars

Nisbet, E. and Zahnle, K. and Gerasimov, M.V. and Helbert, J. and Jaumann, R. and Hofmann, B.A. and Benzerara, K. and Westall, F. (2007) Creating Habitable Zones, at all Scales, from Planets to Mud Micro-Habitats, on Earth and on Mars. Space Science Reviews, 129 (Issue 1-3), pp. 79-121. Springer. doi: 10.1007/s11214-007-9175-5.

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The factors that create a habitable planet are considered at all scales, from planetary inventories to micro-habitats in soft sediments and intangibles such as habitat linkage. The possibility of habitability first comes about during accretion, as a product of the processes of impact and volatile inventory history. To create habitability water is essential, not only for life but to aid the continual tectonic reworking and erosion that supply key redox contrasts and biochemical substrates to sustain habitability. Mud or soft sediment may be a biochemical prerequisite, to provide accessible substrate and protection. Once life begins, the habitat is widened by the activity of life, both by its management of the greenhouse and by partitioning reductants (e.g. dead organic matter) and oxidants (including waste products). Potential Martian habitats are discussed: by comparison with Earth there are many potential environmental settings on Mars in which life may once have occurred, or may even continue to exist. The long-term evolution of habitability in the Solar System is considered.

Item URL in elib:https://elib.dlr.de/51079/
Document Type:Article
Title:Creating Habitable Zones, at all Scales, from Planets to Mud Micro-Habitats, on Earth and on Mars
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Nisbet, E.Department of Geology, Royal Holloway, University of London, Great BritainUNSPECIFIEDUNSPECIFIED
Gerasimov, M.V.Space Research Institute, Russian Academy of Science, RussiaUNSPECIFIEDUNSPECIFIED
Hofmann, B.A.Naturhistorisches Museum Bern, SwitzerlandUNSPECIFIEDUNSPECIFIED
Benzerara, K.Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590 CNRS & IPGP, FranceUNSPECIFIEDUNSPECIFIED
Westall, F.Centre de Biophysique Moléculaire, CNRS, FranceUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Space Science Reviews
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI: 10.1007/s11214-007-9175-5
Page Range:pp. 79-121
Keywords:Mars, Water, Fluvial erosion, Habitable surfaces, Rock cycle
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Vergleichende Planetologie (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Planetary Geology
Deposited By: Musiol, Stefanie
Deposited On:14 Jan 2008
Last Modified:24 Apr 2024 19:14

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