Ice footprints on the plains of Mars are historical wind-blown mud

The bizarre ice ridges photographed by NASA’s Mars Reconnaissance Orbiter might present indicators of mud, water, or air, relying on the way you look. (Photograph: NASA/JPL-Caltech/UArizona)

This frozen labyrinth seems like a Martian cake.

It seems like ice and dirt Mars from an orbiting NASA spacecraft might present a window into the complicated, water-filled Purple Planet, a brand new research suggests.

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