Is Mars Alive?

Details Is Mars Alive? Is Mars Alive?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.6026a&link_type=abstract

American Astronomical Society, DPS meeting #38, #60.26; Bulletin of the American Astronomical Society, Vol. 38, p.1305

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Scientific paper

Mars long has been considered to be a cold, dead planet. However, recent reports of methane in the Martian atmosphere suggest that methane is being produced at present, since its calculated atmospheric lifetime of 400 years or less requires a constant re-supply. Possible subsurface sources for this re-supply are geological, or even microbiological, in nature. So, the question is: Is Mars alive, biologically or geologically speaking? There are several different processes on Earth--both biogenic and abiogenic--that form methane at rates that can contribute to a detectable atmospheric presence. Techniques used to characterize these various terrestrial sources can guide planning for future Martian investigations and missions.

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