Épisodes

  • #332 - The Universe - Jillian Scudder

    #332 - The Universe - Jillian Scudder
    Oct 18 2026
    A little later than planned, here’s our conversation with astrophysicist and author Dr Jillian M. Scudder about her new book The Universe: A Graphic Guide, illustrated by Lily Fossett. We talk dark matter, , Cosmic Noon, and the challenge of explaining the entire universe without losing the wonder. The second October Episode to follow shortly. Image Credits: Ohio State University and Lily Fossett
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    1 h
  • #331 -John McFall - Space For Everyone

    #331 -John McFall - Space For Everyone
    Sep 19 2026
    Matt interviews ESA astronaut John McFall: Paralympian, surgeon and the first astronaut with a Paralympic medal to be cleared for a long-duration space mission. They talk astronaut training, the science and engineering of making spaceflight accessible, and what John’s journey could mean for the future of human spaceflight. Plus, Matt and Leddra talk eclipses, why totality is quite unlike anything else, and their trip to Mallorca to witness the spectacular total solar eclipse of August 2026
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    1 h et 18 min
  • #330 - Space Planes - Rob Coppinger

    #330 - Space Planes - Rob Coppinger
    Jul 26 2026
    In this episode, Matt chat with Rob Coppinger about the his new book on British spaceplanes HOTOL and Skylon. Matt is also joined by Leddra as they share their experiences of the Smithsonian Starstruck Immersive Experience in London and sample some classic astronaut ice cream. https://amzn.eu/d/04jUkGHP https://linktr.ee/interplanetary
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    1 h et 19 min
  • #329 - Special Relativity

    #329 - Special Relativity
    May 31 2026
    In this episode of The Interplanetary Podcast, I'm joined by ay new co-host, singer-songwriter Leddra Chapman, as we tackle one of the most mind-bending ideas in all of science: special relativity. From the speed of light and the nature of causality to time dilation, the ether, and Einstein's revolutionary insight into space and time, we follow the story that changed our understanding of reality. And, as always, I can't resist ending with a slightly outrageous thought experiment of my own.
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    1 h et 4 min
  • #328 - Ryan Dowdy - Artemis Food

    #328 - Ryan Dowdy - Artemis Food
    Apr 30 2026
    Former NASA food scientist Ryan Dowdy PhD joins Matt to explore how Artemis program is reshaping the future of human nutrition, from feeding astronauts on the ISS to the Moon and beyond to powering first responders here on Earth.
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    1 h et 2 min
  • #327 - Radio Astronomy - Emma Chapman

    #327 - Radio Astronomy - Emma Chapman
    Apr 15 2026
    As Artemis II returns humans from around the Moon, Matt is joined by astrophysicist Emma Chapman who makes the case for exploring the universe without going anywhere by listening to the cosmos through radio waves.
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    1 h et 26 min
  • #326 - Chasing Aliens - Daniel Lavelle

    #326 - Chasing Aliens - Daniel Lavelle
    Mar 15 2026
    Matt is joined by journalist and Orwell Prize winner Daniel Lavelle, author of Chasing Aliens: Faith and Conspiracy in the UFO Heartlands. Travelling across America’s UFO hotspots, to explore the strange world of UFO culture. The conversation dives into UAPs, government secrecy, the psychology of belief, and why the idea that we might not be alone in the universe continues to captivate millions. NEW BOOK April 30th - Chasing Aliens by Daniel Lavelle
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    59 min
  • #325 - Artemis II - Dhara Patel

    #325 - Artemis II - Dhara Patel
    Feb 3 2026
    Matt is joined by Dhara Patel from the National Space Centre to explore Artemis II ; the first crewed mission around the Moon in over 50 years. They discuss Europe’s crucial role in the mission, the historic “firsts” represented by the Artemis crew. Matt also takes a quick look at the remarkable engineering heritage behind Orion’s propulsion system including Shuttle-era engines and chemical propellants whose story stretches back to Apollo.
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    1 h et 3 min