Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars

Geologic Sediments Nitrates 550 Extraterrestrial Environment nitrates Nitrogen [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP] astrobiology Temperature [SDU.ASTR.EP] Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP] Mars Water 523 Wind Nitric Oxide 01 natural sciences nitrogen Curiosity 13. Climate action 0103 physical sciences
DOI: 10.1073/pnas.1420932112 Publication Date: 2015-03-24T03:17:43Z
AUTHORS (563)
ABSTRACT
Significance We present data supporting the presence of an indigenous source of fixed nitrogen on the surface of Mars in the form of nitrate. This fixed nitrogen may indicate the first stage in development of a primitive nitrogen cycle on the surface of ancient Mars and would have provided a biochemically accessible source of nitrogen.
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