Why isn't Pluto a planet?
Why isn't Pluto a planet?  
Podcast: The Supermassive Podcast
Published On: Mon Jun 30 2025
Description: Izzie and Dr Becky decided that little ol’ Pluto doesn’t get much attention anymore. So we’re giving the dwarf planet some time in the spotlight. Why isn't Pluto a planet? How small is it? And what makes it so unique?Thank you to Prof Alan Fitzsimmons from Queens University of Belfast joining us episode.Join The Supermassive Club for ad-free listening and share you questions, images and more. Or email them to podcast@ras.ac.uk or on Instagram @SupermassivePod.The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information.