The history of water on Mars
Today’s Video of the Day from the European Space Agency describes how data from the ExoMars Trace Gas Orbiter is providing new insight into water loss on Mars, which also sheds light on the planet’s climate evolution.
The liquid water that once flowed across the surface of Mars is now mostly locked up in ice caps and buried underground. However, water loss is still taking place even today.
The ExoMars Trace Gas Orbiter is following the vertical path of water through the atmosphere and tracking its changing isotopic composition. This data can be used to estimate water loss on Mars.
Video Credit: ESA
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