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NASA’s Perseverance Rover Deciphers Ancient History of Martian Lake

This image of Jezero Crater on Mars, the landing site for NASA's Mars 2020 mission, was taken by instruments on NASA's Mars Reconnaissance Orbiter.
This image of Mars’ Jezero Crater is overlaid with mineral data detected from orbit. The green color represents carbonates – minerals that form in watery environments with conditions that might be favorable for preserving signs of ancient life. NASA’s Perseverance is currently exploring the green area above Jezero’s fan (center).
 Credit: NASA/JPL-Caltech/MSSS/JHU-APL 

Marking its 1,000th Martian day on the Red Planet, NASA’s Perseverance rover recently completed its exploration of the ancient river delta that holds evidence of a lake that filled Jezero Crater billions of years ago. The six-wheeled scientist has to date collected a total of 23 samples, revealing the geologic history of this region of Mars in the process.

One sample called “Lefroy Bay” contains a large quant...

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