Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.

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InSight's revelation on Mars’ rotation

The InSight RISE instrument's principal investigator, Sebastien Le Maistre, from the Royal Observatory of Belgium, joins Planetary Radio to discuss Mars' increased rotation speed.

Universal Harmonies: Sonifying images for science and accessibility

Kim Arcand from NASA’s Chandra X-ray Observatory joins Planetary Radio to share her team’s new album Universal Harmonies.