European Geophysical Union

Direct evidence of ancient Mars’s oxygen-rich atmosphere

Rocks on the surface of Mars have provided the best clue yet that the red planet once had an atmosphere rich in oxygen.

April 23, 2016
April 23, 2016

Direct evidence of ancient Mars’s oxygen-rich atmosphere

Rocks on the surface of Mars have provided the best clue yet that the red planet once had an atmosphere rich in oxygen.

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