On this week’s cover: An enhanced-color optical image of Jezero crater, Mars, taken by @NASAPersevere. New research in Science shows how much water flowed into this crater about 3.7 billion years ago.
— Science Magazine (@ScienceMagazine) November 4, 2021
Read that study and more in our latest issue: https://t.co/NipDNJ97OV pic.twitter.com/8Sc443yPJI
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