Tag: flowed

Salty water may have flowed near Mars’ equator as recently as 400,000 years ago

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Crusts, cracks and other geologic features on sand dunes near the Martian equator are leading researchers to believe there may have been water there much more recently than previously thought.

The features, likely caused by the movement of thawed, salty water, turned up in images taken by China’s Zhurong rover. A chemical analysis from the rover shows that they may have formed as recently as 400,000 years ago, researchers report April 28 in Science Advances.

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Water flowed on Mars longer than previously thought, NASA says

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Water flowed on Mars as recently as 2 billion to 2.5 billion years ago – more recently than previously thought, a new study reveals.   

Researchers at California Institute of Technology (Caltech) used NASA’s Mars Reconnaissance Orbiter to determine that liquid water on the Martian surface left salt minerals as recently as 2 billion years ago.  

The chloride salt deposits were left behind as icy meltwater flowing across the Martian landscape evaporated. 

The salt minerals were first discovered 14 years ago

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