Celebrate the 20th Anniversary of the landing of Spirit and Opportunity, the Mars Exploration Rovers. We will delve into the stories of these incredible robots, with a look at how the exploration of Mars and the understanding of ourselves has changed because of the twin rovers. Speakers: John Callas, former Mars Exploration Rovers project manager Abigail Fraeman, former Mars Exploration Rovers deputy project scientist Host: Nikki Wyrick, office of communications and education, NASA JPL Co-Host: Sarah Marcotte, Mars public engagement, NASA JPL Original air date: Jan. 25, 2024