Mud Cracks On Mars Hint At Liquid Water

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Mud Cracks On Mars Hint At Liquid Water
Aynur_zakirov / Pixabay

Scientists have been using rovers on Mars to search for anything that could indicate the possibility of life on the Red Planet and explore its geological properties. In 2017, the Curiosity Mars Rover discovered ancient mud cracks on Mars, located in the soil in Gale Crater. Based on the photos of a coffee table-sized rock nicknamed “Old Soaker” captured by the Curiosity Mastcam, scientists saw that the rock was covered in a crisscross pattern of polygons, which incredibly resemble cracks that are found on Earth.

Throughout the year, geologists from the California Institute of Technology, Caltech in Pasadena, conducted analyses on the geological features on the Martian surface. Now, they can confidently confirm that the mud cracks on Mars are remnants of a lake that disappeared up to 3.5 billion years ago.

The team published their findings last week in the journal Geology. The study poses evidence that the mud cracks on the Martian surface are desiccation cracks, formed due to wet sediment being exposed to air.

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