Life on Mars? Non-Detection of Methane Suggests No Modern-Day Microbes

Hypothetical sources and sinks of methane on Mars. The elementary organic gas could be constructed by microbes or active geological processes. So far, Curiosity has not rescued methane in a Martian atmosphere. Image: NASA/JPL-Caltech, SAM/GSFC

NASA's Curiosity corsair has sniffed a Martian atmosphere for methane and, so far, incited adult empty. The much-anticipated dimensions strikes a blow to a wish that previous hints of methane could have been an denote of life on Mars.

Methane, done of one CO and 4 hydrogen atoms, is one of a simplest organic compounds. On Earth, 90 to 95 percent of methane in a atmosphere comes from biological activity, especially methanogenic germ and cow farts. Geological activity

Read full article: http://www.ft.com/cms/s/2/fcb142e2-1a06-11e2-a179-00144feabdc0.html

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Source:
http://www.news.ezonearticle.com/2012/11/02/life-on-mars-non-detection-of-methane-suggests-no-modern-day-microbes/