My guest today is Dr. Sam Howell, a planetary scientist with NASA's Jet Propulsion Laboratory. Sam studies the interiors of icy worlds, like Europa and Enceladus and is pioneering methods to explore their subsurface oceans. Written by Fraser. Subscribe Free: https://universetoday.com/newsletter🚀 OTHER PODCASTS:════════════════════════════════════Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.