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The Mars facts 13

Methane has been detected on Mars. Methane has a lifetime range of 0.6 - 4 years, its presence indicates there is an active source. While methane can be produced by a non-biological process, subsurface methanogenic microbial life source is among possible sources

By Lily Grover Published September 17, 2019 Full size is 800 × 800 pixels
© Lily Grover