Reply to post: I think its probably more likely to be geological

It's a God-awful smell affair.... is there life on Mars? Rocks ruled out as source of mystery methane on Red Planet

Tom 7 Silver badge

I think its probably more likely to be geological

and the burps are when accumulated methane geysers past some underground water. That is assuming the 46 tonnes reported is the total release. There are many processes that could generate methane at depth and , while I'd squeal with delight to find life on Mars, Occam says rocks.

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