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Mars Space Science

Martian Methane May Be Created By Lifeforms 297

Posted by kdawson
from the little-green-bugs dept.
Following our recent discussions about the growing evidence pointing to possible life on Mars, reader skywatcher2501 writes with news of a study that has ruled out one possible explanation for the levels of methane seen on that planet — that it might be replenished by disintegrating meteors entering the atmosphere. So two theories remain: either the gas is created as a by-product of reactions between volcanic rock and water, or it is a by-product of a lifeform's metabolism.
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Martian Methane May Be Created By Lifeforms

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If I have not seen so far it is because I stood in giant's footsteps.

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