Ars Technica – No sign of the expected lake bed where Perseverance rover landed

Enlarge / No, those donut tracks aren’t mine, officer. (credit: NASA/JPL-Caltech/MSSS)
The Perseverance rover landed in Mars’ Jezero Crater largely because of extensive evidence that the crater once hosted a lake, meaning the presence of liquid water that might once have hosted Martian life. And the landing was a success, placing the rover at the edge of a structure that appeared to be a river delta where the nearby highlands drained into the crater.
But a summary of the first year of data from the rover, published in three different papers being released today, suggests that Perseverance has yet to stumble across any evidence of a watery paradise. Instead, all indications are that water…

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