Mars Ancient Mud Cracks: Why They Matter
NASA's Curiosity rover has discovered extensive polygonal mud crack patterns on Mars, suggesting the planet once had a cycle of wet and dry conditions. These findings provide further evidence of ancient water on the Martian surface, which is essential for understanding the planet's potential for past life.
Why it matters
Understanding the geological history of Mars helps scientists determine if the planet was ever capable of supporting biological life.
This June, NASA’s Curiosity rover climbed Mount Sharp , reaching a high vantage point. From this point, it reveals honeycomb-like patterns stretching across the Martian landscape, a mesmerizing sight stretching to the horizon.
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These formations are polygonal fractures, each measuring four to eight centimeters in width. Though the rover had previously encountered smaller patches, never before had it discovered such an expansive field. This intricate pattern resembles what you might see when mud dries and cracks on Earth, whether in your driveway or in the arid expanse of Death Valley.
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