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    Astrobiological Potential of Venus Atmosphere Chemical Anomalies and Other Unexplained Cloud Properties

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    venusanomaliesarxiv.pdf
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    Description:
    Final Accepted Manuscript
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    Author
    Petkowski, Janusz J.
    Seager, Sara
    Grinspoon, David H.
    Bains, William
    Ranjan, Sukrit
    Rimmer, Paul B.
    Buchanan, Weston P.
    Agrawal, Rachana
    Mogul, Rakesh
    Carr, Christopher E.
    Affiliation
    Lunar and Planetary Laboratory, Department of Planetary Sciences, University of Arizona
    Issue Date
    2024-04-10
    Keywords
    Acidity
    Atmospheric chemistry
    Atmospheric gases
    Habitability
    Venusian clouds
    
    Metadata
    Show full item record
    Publisher
    Mary Ann Liebert Inc
    Citation
    Petkowski, J. J., Seager, S., Grinspoon, D. H., Bains, W., Ranjan, S., Rimmer, P. B., ... & Carr, C. E. (2024). Astrobiological potential of Venus atmosphere chemical anomalies and other unexplained cloud properties. Astrobiology, 24(4), 343-370.
    Journal
    Astrobiology
    Rights
    © 2024, Mary Ann Liebert, Inc., publishers.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Long-standing unexplained Venus atmosphere observations and chemical anomalies point to unknown chemistry but also leave room for the possibility of life. The unexplained observations include several gases out of thermodynamic equilibrium (e.g., tens of ppm O2, the possible presence of PH3 and NH3, SO2 and H2O vertical abundance profiles), an unknown composition of large, lower cloud particles, and the ''unknown absorber(s).'' Here we first review relevant properties of the venusian atmosphere and then describe the atmospheric chemical anomalies and how they motivate future astrobiology missions to Venus.
    Note
    Immediate access
    ISSN
    1531-1074
    EISSN
    1557-8070
    DOI
    10.1089/ast.2022.0060
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1089/ast.2022.0060
    Scopus Count
    Collections
    UA Faculty Publications

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