Curiosity Closes In on Mars’ Giant Web-Like Ridges
SMRTR summary
NASA's Curiosity rover has captured detailed images of massive web-like ridge formations on Mount Sharp that reveal Mars had groundwater at high elevations for much longer than previously thought. These "boxwork" structures, formed when ancient groundwater deposited minerals in bedrock fractures, suggest conditions suitable for potential microbial life persisted far longer before Mars became the frozen desert it is today.
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