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With Mars methane mystery unsolved, Curiosity serves scientists a new one: Oxygen

November 13, 2019 - General

For the first time in the history of space exploration, scientists have measured the seasonal changes in the gases that fill the air directly above the surface of Gale Crater on Mars. As a result, they noticed something baffling: oxygen, the gas many Earth creatures use to breathe, behaves in a way that so far scientists cannot explain through any known chemical processes.

A sunset at the Viking Lander 1 site, 1976 
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Source: archeo

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