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Universe Today Podcast

Fraser Cain
Universe Today Podcast
Latest episode

1514 episodes

  • Universe Today Podcast

    [Interview+] There Might Be A Limit on How Many Satellites We Can Launch

    2026/03/25 | 37 mins.
    Watch here (with no ads) or on YouTube: https://youtu.be/w677o1jHYmk
    The number of satellites has grown dramatically and it will continue to grow. But where's the limit? How many satellites can we realistically launch? Most people think that it's the Kessler Syndrome. Saturating the orbit with space debris until a chain reaction erupts. But there might be other limiting factors. What are they? Finding out in this interview.
    🟣 Guest: Professor Laura Revell https://profiles.canterbury.ac.nz/Laura-Revell/publications
    00:00 Intro

    02:15 What happens to satellites upon re-entry

    10:41 Rocket fuel emissions

    24:13 Possible nuclear wars

    29:07 Current obsession

    34:45 Final thoughts
  • Universe Today Podcast

    [Q&A+] Video from Titan, Watching Artemis 2, Moons with Moons with Moons

    2026/03/25 | 17 mins.
    BONUS QUESTION STARTS AT 13:04
    👉 Send in your questions for Patreon Q&A here: https://www.patreon.com/posts/153780788
    Watch here (with no ads) or on YouTube https://youtu.be/cHcqk31NtH0
    What kind of media can we expect from Titan Dragonfly? Could you track Artemis 2 with an amateur telescope? Can moons have moons that have moons? And in Q&A+, should journalists use more storytelling?
    00:00 Intro

    00:24 [@geohondo] What media content can we expect from the Titan Dragonfly?

    01:19 [@DamingoFlave] Could you track Artemis 2 with an amateur telescope?

    02:52 [@TestingTesting-1234] Should we establish Aldrin cyclers between the earth and the moon?

    05:11 [@kirkwagner461] Does Aldrin Cycler give you any delta-v advantage?

    05:39 [@kairon156] Is there any plan to give the moon it's own GPS?

    07:23 [@EdSceptic-y2e] Moon with a moon with a moon

    08:21 [@SidVicious619-d5r] Can a moon not be tidally locked to a planet?

    09:45 [@C.Lo.87] Can a white dwarf collect enough material to restart fusion?

    13:04 [@paigepotter4682] Do you think space journalism should ever lean more into wonder and storytelling rather than strict explanation?

    16:10 Outro

    Full livestream: https://youtube.com/live/esBOfZhJTWk
  • Universe Today Podcast

    [Interview+] How Moon's Ridges Reveal Secrets About Its Geology

    2026/03/23 | 40 mins.
    Watch here (with no ads) or on YouTube: https://youtu.be/iGxXclzwa08
    How dead is the Moon (geologically speaking)? How can we know what's going on inside it? What should the people returning to the Moon expect from it? Finding the answers in this interview.
    🟣 Guest: Dr. Cole Nypaver https://airandspace.si.edu/people/staff/cole-nypaver
    📜 Smithsonian Planetary Scientists Discover Recent Tectonic Activity on the Moon https://www.si.edu/newsdesk/releases/smithsonian-planetary-scientists-discover-recent-tectonic-activity-moon
    00:00 Intro

    01:44 Is the Moon dead?

    08:44 What created the faults

    14:04 Returning to the Moon

    24:24 Beyond just the Moon

    26:58 Boulders on the Moon

    33:37 Current obsessions

    38:42 Final thoughts
  • Universe Today Podcast

    [Bonus] Event Horizon JMG: Why Intelligence May Be Extremely Rare in the Universe

    2026/03/23 | 1h 9 mins.
    This is an episode of John Michael Godier's Event Horizon show that we did together. YouTube version on JMG's channel: https://youtu.be/mbn3uK7V3b0
  • Universe Today Podcast

    [Space Bites+] Weird New Planet // New Moon in A Bag // Superstorm Hit Mars

    2026/03/20 | 22 mins.
    BONUS STORY STARTS AT 15:26
    Watch here (with no ads) or on YouTube: https://youtu.be/Ncr3QzZUREY
    A planetary system that breaks all the rules. Colliding worlds reminds us of the Earth and the Moon. A super solar storm hit Mars too. An explanation for a seven-hour gamma ray burst. And in Space Bites Plus, thousands of stellar siblings found.
    🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts
    00:00 Intro

    00:15 Planetary System that Breaks All Rules https://www.universetoday.com/articles/cheops-discovery-defies-planetary-formation-rules

    02:41 A Special Rocky World https://www.universetoday.com/articles/this-isnt-just-another-rocky-world-orbiting-a-red-dwarf-this-ones-special

    04:32 Worlds Colliding https://www.universetoday.com/articles/scientists-find-evidence-of-worlds-colliding-11000-light-years-away

    06:21 Plans for a Moon in a Bag https://arstechnica.com/space/2026/03/a-private-space-company-has-a-radical-new-plan-to-bag-an-asteroid/

    07:47 Lunar Magnetic Mystery Solved https://www.universetoday.com/articles/a-60-year-old-mystery-about-the-moons-magnetosphere-is-finally-solved

    09:47 Vote results 10:12 Solar Superstorm Hit Mars https://www.universetoday.com/articles/esas-mars-orbiters-watch-solar-superstorm-hit-the-red-planet

    12:00 Nobody Could Explain This https://www.universetoday.com/articles/the-seven-hour-explosion-nobody-could-explain

    15:26 Something’s Changing the Small Magellanic Cloud https://www.universetoday.com/articles/something-is-changing-the-small-magellanic-cloud

    15:26 Bonus story https://www.universetoday.com/articles/the-suns-great-escape

    17:41 Vibe coding

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About Universe Today Podcast

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