Thursday, September 24, 2026

Perseverance Reveals How Complex Water Systems Shaped the Jezero Crater on Early Mars

The Perseverance rover captured the data used in this panorama of the “Margin Unit,” a geologic area that hugs the inner edge of Jezero Crater’s rim, between Oct. 8 and Oct. 16, 2023. Credit: NASA/JPL-Caltech/MSSS

A new study reveals that Jezero Crater’s enigmatic ‘Margin Unit’ was shaped by a complex sequence of ancient lakes, groundwater systems, and hydrothermal fluids.



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