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Nasa Mars Rover's Weather Data Bolster Case For Brine

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The Rover Environmental Monitoring Station (REMS) on NASA's Curiosity Mars rover includes temperature and humidity sensors mounted on the rover's mast. One of the REMS booms extends to the left from the mast in this view.

Credit: NASA/JPL-Caltech/MSSS

Martian weather and soil conditions that NASA's Curiosity rover has measured, together with a type of salt found in Martian soil, could put liquid brine in the soil at night.

From Jet Propulsion Library/NASA
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