On Episode 102 of This Week In Space, Rod and Tariq talk with Dr. Pascal Lee about the intriguing features he and his associates found in a region of complex terrain between Mars' Olympus Mons, the largest volcano in the solar system, and the western extent of Valles Marineris, the largest canyon.
First, he spotted a relict glacier, covered with volcanic ash, and in a single day, realized he'd found a recently active volcano not previously identified--and how was this missed? Pascal will fill us in on the gritty details.