Podcast:The Supermassive Podcast Published On: Wed May 13 2026 Description: How do we calculate a black hole's event horizon? Does Mercury's tail impact Earth? Can we name a planet Rupert? And did gravity wipe out the dinosaurs? Izzie Clarke & Dr Becky Smethurst dive into the rather whimsical Supermassive Mailbox to answer your questions.Want to name an Exoworld? Here's the IAU website to start a campaign: https://nameexoworlds.iau.org/Send your questions, whimsical messages and your night sky photos to podcast@ras.ac.uk or find us on Instagram @SupermassivePod. Or why not support the show by joining The Supermassive Club? You'll get ad-free listening and access to The Supermassive forum.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.