Recent detection of nitrate on Mars indicates that nitrogen fixation processes occurred in early martian history. Data collected by the Sample Analysis at Mars (SAM) instrument on the Curiosity Rover can be integrated with Mars analog work in order to better understand the fixation and mobility of nitrogen on Mars, and thus its availability to putative biology. In particular, the relationship between nitrate and other soluble salts may help reveal the timing of nitrogen fixation and post-depositional behavior of nitrate on Mars. In addition, in situ measurements of nitrogen abundance and isotopic composition may be used to model atmospheric conditions on early Mars.


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    Title :

    Nitrogen on Mars: Insights from Curiosity


    Contributors:
    J. C. Stern (author) / B. Sutter (author) / W. A. Jackson (author) / R. Navarro-Gonzalez (author) / C. P. McKay (author) / W. Ming (author) / P. D. Archer (author) / D. P. Glavin (author) / A. G. Fairen (author) / P. R. Mahaffy (author)

    Publication date :

    2017


    Size :

    2 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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