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Nitrogen on Mars: Insights from CuriosityRecent 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.
Document ID
20170002371
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
Stern, J. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Sutter, B. (Jacobs Technologies Engineering Science Contract Group Houston, TX, United States)
Jackson, W. A. (Texas Tech Univ. Lubbock, TX, United States)
Navarro-Gonzalez, Rafael (Universidad Nacional Autonoma de Mexico Mexico City, Mexico)
McKay, Chrisopher P. (NASA Ames Research Center Moffett Field, CA, United States)
Ming, W. (NASA Johnson Space Center Houston, TX, United States)
Archer, P. Douglas (Jacobs Technologies Engineering Science Contract Group Houston, TX, United States)
Glavin, D. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Fairen, A. G. (Cornell Univ. Ithaca, NY, United States)
Mahaffy, Paul R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
March 20, 2017
Publication Date
March 20, 2017
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
JSC-CN-39039
Meeting Information
Meeting: Lunar and Planetary Science Conference
Location: The Woodlands, TX
Country: United States
Start Date: March 20, 2017
End Date: March 24, 2017
Sponsors: Lunar and Planetary Inst.
Distribution Limits
Public
Copyright
Public Use Permitted.

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