Planetary Scientist Rosaly Lopes on Planetary People

Solar system explorer Rosaly Lopes of NASA's Jet Propulsion Lab joined Mat Kaplan for a live conversation about her decades of discoveries, including 71 volcanoes on Jupiter's moon Io. Rosaly also shares the story of how she went from being a young girl growing up in Rio de Janeiro with dreams of becoming an astronaut to serving as Deputy Director for Planetary Science at JPL.