NASA Mars mission: Scientists detect atomic oxygen in Mars' atmosphere

The video discusses the detection of atomic oxygen on Mars by a specialized jetliner flying at high altitudes. Using a spectrometer, the plane measured atomic oxygen in Mars's mesosphere, which differs from the oxygen in Earth's atmosphere. This discovery supports the theory that Mars once had a thicker atmosphere capable of sustaining water and possibly life. Over time, solar winds stripped away Mars's atmosphere, leaving it cold and barren.

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