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Universe Today Podcast

Universe Today Podcast

By: Fraser Cain
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 Space news, interviews, Q&As, and exclusive content from Universe Today. Audio versions of Fraser Cain YouTube channel.© 2025 Fraser Cain Astronomy Astronomy & Space Science Nature & Ecology Physics Science
Episodes
  • [Interview] All You Need to Know About Type 1a Supernovae

    [Interview] All You Need to Know About Type 1a Supernovae
    Jun 4 2025
    What's the difference between a nova and a supernova? What's the mechanism behind their explosions? What instruments are used to observe them at the moment? Finding out in this interview. 😍 [Interview+] Same video. No YT ads. https://www.patreon.com/universetoday 🟣 Guest: Cameron Pfeffer https://www.cameronpfeffer.space/ 🟣 Dr. Chris Ashall’s supernova research group https://chrisashall.com/my-group/ https://csp.obs.carnegiescience.edu/ 00:00 Intro 01:30 What is a Type-1a supernova 07:55 Observations with JWST 15:03 Current state of supernova research 24:37 Survey telescopes 36:04 Current obsessions 40:12 Final thoughts 📺 VIDEO VERSION https://youtu.be/CKZyAug7hIg 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    42 mins
  • [Q&A] Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova

    [Q&A] Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova
    Jun 3 2025
    How much of our atmosphere is lost to space and should we be actively replenishing it? Is there an exact copy of Earth out there hiding in the Universe? Can we use the Sun to send messages? And in our extended Q&A+ version, how the advancements in AI will change astronomy? Answering all these questions and more in this Q&A. 🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q&As https://www.patreon.com/universetoday 00:00 Start 00:30 [Naveed] Can we use the Sun to send messages? 03:49 [jeff miller] Can we replace the atmosphere we're loosing to space? 04:40 [Ghostdog4] When will Betelgeuse finally become a supernova? 06:35 [[PMG] Corey] How is JWST changing our understanding of cosmology? 10:38 [gtziavelis] Is there a copy of Earth somewehre out there in the Universe? 13:59 [Lance Haring] Do black holes poop dark matter? 📺 VIDEO VERSION https://youtu.be/HEoZBSRPCVM 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    18 mins
  • [Interview] Punching NanoHoles in Light Sails Can Bring Us Closer to Alpha Centauri

    [Interview] Punching NanoHoles in Light Sails Can Bring Us Closer to Alpha Centauri
    Jun 2 2025
    Launching Breakthrough Starshot light sail probes to Alpha Centauri requires a lot of new tech, including the actual light sails. How do you make the optimal material to maximize the size with minimising mass? Finding out in this interview. 😍 [Interview+] Same video. No YT ads. https://www.patreon.com/universetoday 🟣 Guest: Lucas Norder https://www.tudelft.nl/en/staff/l.norder/ 📜 Pentagonal photonic crystal mirrors: scalable lightsails with enhanced acceleration via neural topology optimization https://www.nature.com/articles/s41467-025-57749-y 00:00 Intro 02:11 Current state of tech 04:58 Nano-holes in reflective material 11:08 Manufacturing techniques 14:23 Practical applications 20:58 Possible prototypes 25:57 Current obsessions 30:21 Final thoughts 📺 VIDEO VERSION https://youtu.be/iHLm9oHMsyM 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    32 mins

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