Dr. Cathy Weitz

In this intriguing discussion, Dr. Cathy Weitz, a senior scientist at the Planetary Science Institute, shares insights on a newly discovered hardened layer at Mount Sharp on Mars. She explains the significance of this marker horizon for understanding Mars' geological history. The conversation covers various hypotheses about its formation, including ash and enhanced salt cementation. Weitz also highlights how Curiosity's observations tie into broader Martian timelines and potential evidence of water, offering a thrilling glimpse into planetary science.