Planetary Radio: Space Exploration, Astronomy and Science

• Space science under fire: Your questions answered

  As debates over NASA's future heat up, questions about the value of space exploration are popping up everywhere. This week on Planetary Radio, we're tackling the tough questions head-on with The Planetary Society's staff, including Casey Dreier, chief of space policy, and Ambre Trujillo, digital community manager. They break down the biggest misconceptions about space science, public versus private investment, and why exploration still matters in an ever-changing world. Then Jack Kiraly, director of government relations, joins us for a space policy update. We discuss the growing movement to save NASA science, how community action is ramping up, and what’s happening behind the scenes on Capitol Hill. And in What's Up with Bruce Betts, we explore some of the most recent NASA spinoffs, technologies developed for space that are making life better here on Earth. Discover more at: https://www.planetary.org/planetary-radio/2025-space-science-under-fireSee omnystudio.com/listener for privacy information.

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• Kosmos 482: The Soviet-era Venus probe that fell to Earth

  This week on Planetary Radio, we explore the decades-long journey of Kosmos 482, a Soviet-era Venus probe that spent 53 years orbiting Earth before its dramatic return on May 10, 2025. Ben Fernando, a postdoctoral researcher in seismology and planetary science at Johns Hopkins University, joins us to explain the history of Kosmos 482 and how seismology and acoustic sensors are helping scientists detect and locate objects impacting Earth. Then Bruce Betts, our chief scientist, joins us for What's Up, where we look back at the largest human-made objects ever to crash back to Earth. Discover more at: https://www.planetary.org/planetary-radio/2025-kosmos-482See omnystudio.com/listener for privacy information.

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• TOI-270 d: Unveiling the secrets of a sub-Neptune

  TOI-270 d is revealing secrets about the most common type of planet in our galaxy, sub-Neptunes. Sarah Al-Ahmed is joined by planetary geochemist Chris Glein from the Southwest Research Insitute to discuss his team’s new analysis of its atmosphere, using data from JWST and insights from Earth analogs. Then, The Planetary Society’s Director of Government Relations, Jack Kiraly, breaks down the historic budget cuts proposed for NASA in the U.S. President’s “skinny” budget request, including a 47% reduction to its science program funding. We close out with Bruce Betts and What’s Up. Discover more at: https://www.planetary.org/planetary-radio/2025-toi-270-dSee omnystudio.com/listener for privacy information.

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• Space Policy Edition: How NASA remembers—and forgets

  No one person knows how to build a spaceship. Dr. Janet Vertesi has seen this firsthand. She’s spent years embedded in NASA science teams, not as a participant, but as an observer. She’s a sociologist who studies the team dynamics of NASA missions. She is alarmed at the prospect of indiscriminate firings at the agency, and at the potential loss of institutional knowledge that won’t easily be rebuilt. Discover more at: https://www.planetary.org/planetary-radio/spe-janet-vertesi-on-threats-to-nasas-group-brainSee omnystudio.com/listener for privacy information.

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• From backyard telescopes to global reach: AstroKobi and the power of short-form space videos

  How does someone go from stargazing in a rural Australian backyard to inspiring millions around the world about space science? This week, Sarah Al-Ahmed sits down with Kobi Brown, better known as AstroKobi, to explore how his passion for the Cosmos and a knack for short-form storytelling launched his science communication career. They discuss the evolution of space outreach in the digital age, the power of social media to ignite curiosity, and how a new generation of space communicators is reshaping the way we connect with the Universe. You'll also hear the latest space policy update from Jack Kiraly, director of government relations at The Planetary Society, including developments affecting NASA’s science programs and the confirmation process for a new NASA administrator. We close out the show with What’s Up with Bruce Betts, chief scientist of The Planetary Society, and a discussion of direct imaging of exoplanets. Discover more at: https://www.planetary.org/planetary-radio/2025-astrokobiSee omnystudio.com/listener for privacy information.

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