When the Voyager spacecraft flew by the planets of the outer solar system, one of the most dramatic discoveries was the surprising diversity of planetary moons. The Cassini spacecraft’s 13 year-long mission orbiting Saturn revealed that Titan and Enceladus are two of the solar system’s most exciting moons, and NASA is currently preparing new missions to explore Jupiter’s moon Europa. Come hear all about exploring the ocean moons of the outer Solar System with Trina Ray of the Jet Propulsion Laboratory.