More on Mars’ Watery History

Mars expert Tanya Harrison shares the details on some of the newest discoveries about Mars’ history, including the discovery of an impact crater thought to be linked to a megatsunami in Mars’ ancient ocean and the discovery of opals, a water-rich gem, in Gale Crater. Stick around for What’s Up as we let you know what to look for this week in the night sky. Discover more at: https://www.planetary.org/planetary-radio/2023-more-on-mars-watery-history 

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