Thirty years ago, NASA&rsquo;s Galileo spacecraft became the first mission to orbit Jupiter, opening a new chapter in our exploration of the outer Solar System. Over eight years around Jupiter, Galileo transformed how we understand Jupiter and its moons, revealing a powerful and dynamic planetary system, uncovering evidence for oceans hidden beneath icy worlds, and reshaping the search for life beyond Earth. To mark the 30th anniversary of Galileo&rsquo;s orbital insertion, scientists, engineers, historians, and advocates gathered at the California Institute of Technology for a special symposium: Galileo at 30. In this episode of Planetary Radio, host Sarah Al-Ahmed takes you inside that celebration. You&rsquo;ll hear how Galileo survived seemingly impossible challenges, how its team adapted when things went wrong, and how its discoveries reshaped planetary science. You&rsquo;ll hear from key voices in Galileo&rsquo;s story, including historian Erik Conway, project manager Bill O&rsquo;Neil, magnetometer principal investigator Margaret Kivelson, Europa Clipper Project Scientist Bob Pappalardo, and Dragonfly mission Principal Investigator Elizabeth &ldquo;Zibi&rdquo; Turtle, along with reflections from many others whose lives and careers were shaped by this remarkable mission. Together, they tell the story of Galileo not just as a spacecraft, but as a shared human effort, one whose legacy continues to guide exploration today. Discover more at: <a href="https://www.planetary.org/planetary-radio/2025-galileo-at-30">https://www.planetary.org/planetary-radio/2025-galileo-at-30</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

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Galileo at 30: How a mission transformed our understanding of Jupiter

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