The planet has lost much of its former amounts of water and even today, hydrogen continues to escape into space
Approximately every two Earth years, when it is summer on the southern hemisphere of Mars, a window opens: only there and only in this season can water vapor efficiently rise from the lower into the upper atmosphere. There, winds carry the rare gas to the North Pole. While part of the water vapor decays and escapes into space, the rest sinks back down near the poles. Researchers from the Moscow Institute of Physics and Technology and the Max…
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