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Scientists detect water vapour escaping high into the atmosphere from Mars
They detected the vapour by analysing light passing through the Martian atmosphere using an instrument called the Nadir and Occultation for Mars Discovery.
Feb 11, 2021 13:10:24 IST
Researchers said Wednesday they had observed water vapour escaping high up in the thin atmosphere of Mars, offering tantalising new clues as to whether the Red Planet could have once hosted life. The traces of ancient valleys and river channels suggest liquid water once flowed across the surface of Mars. Today, the water is mostly locked up in the planet s ice caps or buried underground. But some of it is vaporising, in the form of hydrogen leaking from the atmosphere, according to the new research co-authored in the journal Science Advances by two scientists at Britain s Open University.