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http://www.nasa.gov/mission_pages/mars/news/marsmethane.html
NASA reports evidence of methane in the Martian atmosphere. There are several ways to explain the methane -
Methane trapped in pockets in the bedrock being released
Methane being created at greater depths by geochemical processes, driven by heat from the core
Biosynthesis of methane - ie., living bacteria like organisms.
At the meeting several of the geologists suggested that the biosynthetic explanation may not be too far fetched because the seimic activity and core heat of Mars are minimal.
NASA reports evidence of methane in the Martian atmosphere. There are several ways to explain the methane -
Methane trapped in pockets in the bedrock being released
Methane being created at greater depths by geochemical processes, driven by heat from the core
Biosynthesis of methane - ie., living bacteria like organisms.
At the meeting several of the geologists suggested that the biosynthetic explanation may not be too far fetched because the seimic activity and core heat of Mars are minimal.