Episodes

  • [Space Bites] Explanation for Potential Dyson Spheres // Starlink Pollution // Super Heavy Recovered

    [Space Bites] Explanation for Potential Dyson Spheres // Starlink Pollution // Super Heavy Recovered
    Sep 27 2024
    Those aren’t Dyson Spheres they’re hotDOGs, the best gravitational lens in the Universe, new Starlinks are really bright in the radio, and SpaceX recovers its SuperHeavy. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:14 HotDOGs, Not Dyson Spheres https://www.universetoday.com/168678/those-arent-dyson-spheres-theyre-hotdogs/ 03:27 Best gravitational lens https://www.universetoday.com/168672/this-might-be-the-best-gravitational-lens-ever-found/ 04:44 Starlinks light pollution https://www.universetoday.com/168658/second-generation-starlinks-are-32-times-brighter-in-radio-wavelengths/ 07:07 SuperHeavy from a water grave https://www.universetoday.com/168691/spacex-recovers-the-super-heavy-booster-from-flight-4/ 08:08 Zebra rock on Mars https://science.nasa.gov/blog/a-striped-surprise/ 09:14 Vote results 09:53 Supernova and Earth life https://www.universetoday.com/168687/how-a-nearby-supernova-left-its-mark-on-earth-life/ 11:59 Two Chinese rocket hops 14:16 Guide to Space 14:35 Dyson sphere homework 📺 VIDEO VERSION https://youtu.be/2ipIUL64gLc 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    17 mins
  • [Interview] What Happens If We Find Extraterrestrial Life?

    [Interview] What Happens If We Find Extraterrestrial Life?
    Sep 25 2024
    Are we alone in the Universe? Probably, one of the most important questions one can ask. So, how are we currently trying to answer it and what happens when we finally do? 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 01:24 Searching for extraterrestrial life 19:35 Agnostic methods of searching for life 26:20 What happens if we find life 29:38 Life as we don't know it 34:36 Searching for interstellar life 46:38 Which method will give results first 50:46 What if we don't find life 55:05 Current obsessions 58:59 Final thoughts 📺 VIDEO VERSION https://youtu.be/2_buH0GXFx8 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    1 hr and 1 min
  • [Q&A] Throwing Tools from Orbit, Sun's Place in the Galaxy, Reusing Parts of ISS

    [Q&A] Throwing Tools from Orbit, Sun's Place in the Galaxy, Reusing Parts of ISS
    Sep 24 2024
    What happens if astronauts throw stuff from orbit? Can we travel through a black hole? What is our Sun's place in the Milky Way? How can human spaceflight become profitable? Answering all these questions and more in this week's Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:34 [Alaris] What is the place of our Sun in the Milky Way? 05:00 [Ardena] How to find communities that care about space? 09:34 [Asuria] What happens if an astronaut throws something towards Earth? 12:23 [Belote] How big is the void we live in? 15:20 [Belsa] Can you travel through a black hole to another Universe? 18:38 [Cartego] How is Mercury closer to Earth than Venus? 19:52 [Chulak] Did different arms of the Milky Way come from different mergers? 22:16 [Dakara] How would we see the farthest galaxies disappear? 25:15 [Edora] How can human space flight become profitable? 27:24 [Goronak] Which human-made thing will be first to get to another star? 32:16 [Hadante] What are my favourite telescopes? 34:23 [Hebridan] Could supermassive black holes be made of lost anti-matter? 37:39 [Jenev] Can we reuse parts of ISS? 📺 VIDEO VERSION https://youtu.be/LE-0sY1tEjg 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    45 mins
  • [Space Bites] The Rings of Earth // Servicing JWST at L2 // Mission to Neptune

    [Space Bites] The Rings of Earth // Servicing JWST at L2 // Mission to Neptune
    Sep 20 2024
    Could we repair missions like JWST and Gaia? Polaris Dawn returns to Earth, did Earth once have rings? and a peanut-shaped asteroid just drifted past Earth. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:16 Repairing missions at L2 https://www.universetoday.com/168584/there-could-be-a-way-to-fix-spacecraft-at-l2-like-webb-and-gaia/ 03:10 Polaris Dawn returns to Earth https://polarisprogram.com/polaris-dawn-crew-returns-to-earth-achieving-major-objectives-during-their-five-day-mission/ 05:22 Peanut-shaped asteroid flyby https://www.universetoday.com/168616/nasa-watches-a-peanut-shaped-asteroid-drift-past-earth/ 07:20 Earth might have had rings https://www.universetoday.com/168579/earth-might-have-had-rings-half-a-billion-years-ago/ 08:56 Earth's temporary moon https://www.universetoday.com/168574/earth-will-have-a-tiny-new-mini-moon-for-a-few-months/ 10:13 Vote results 10:54 Mission to Neptune https://www.universetoday.com/168559/an-ambitious-mission-to-neptune-could-study-both-the-planet-and-triton/ 13:22 Building a global light pollution map https://gaia4sustainability.eu/gaia-4-sustainability/ 14:35 Flying to Alpha Cen https://www.universetoday.com/168534/new-video-shows-how-tiny-spacecraft-will-swarm-proxima-centauri/ 16:19 More space news 16:58 Getting involved in science 📺 VIDEO VERSION https://youtu.be/hm44Blv5Y0k 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    19 mins
  • [Interview] Can AI Destroy the World And How Can We Prevent It

    [Interview] Can AI Destroy the World And How Can We Prevent It
    Sep 18 2024
    This is an unusual interview for my channel. It's mostly about AI, our current developments and the threats it poses to us. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 01:51 Arrival of LLMs 06:30 Alignment of AI 17:35 Existential dangers 18:58 The Pause AI movement 23:47 Safety 32:42 Wake-up calls and red lines 39:12 Possible response 41:43 AI as part of evolution 44:25 Simulation hypothesis and the Fermi Paradox 49:52 How to get involved 51:48 Current obsessions 57:19 Final thoughts 📺 VIDEO VERSION https://youtu.be/A4M3Q_P2xP4 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    59 mins
  • [Q&A] Gravity Assist Speed Limit, Double Gravitational Lenses, Phones in Space

    [Q&A] Gravity Assist Speed Limit, Double Gravitational Lenses, Phones in Space
    Sep 17 2024
    What's the maximum speed you can get from a gravity assist? Can we have a double gravitational lens? What do you need to do to a phone to sent it to space? Answering all these questions and more in this week's Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:25 [Alaris] Can phones survive in space? 06:10 [Ardena] Asteroid vs meteorite 07:27 [Asuria] What happened to Orion, Meade, and Coronado telescope companies? 09:51 [Belote] Can we learn something about a supernova that the Sun was created from? 13:35 [Belsa] Can there be double gravitational lenses? 15:16 [Cartego] Favourite thing to observe visually? 17:41 [Chulak] Can we make a 2 AU interferometer? 21:21 [Dakara] Why are black holes different in size and mass? 24:20 [Edora] What does Starliner's return mean? 27:31 [Goronak] Thoughts on Starlink polluting the sky? 32:34 [Hadante] Are public funds on space wasteful? 36:30 [Hebridan] Can NASA vs China space race boost exploration? 40:11 [Jenev] What is the speed limit that can be achieved by sling-shot around planets? 📺 VIDEO VERSION https://youtu.be/hSrp6VHjHbo 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    47 mins
  • [Space Bites] Historical Spacewalk // A Star with Insane Resolution // Iron Winds on a Planet

    [Space Bites] Historical Spacewalk // A Star with Insane Resolution // Iron Winds on a Planet
    Sep 13 2024
    Polaris Dawn launches and completes the first private spacewalk, the surface of a giant star is resolved with incredible detail, Starliner comes home empty, and amazing new images of Mercury from BepiColumbo. 🌞 Asteroseismology interview: https://youtu.be/pfbo4Ffzf9I 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:16 First ever spacewalk 02:30 A star with incredible resolution 03:57 Mars spiders 06:04 Starliner returns 07:49 New Glenn delay 10:00 Starship updates 12:57 Mercury flyby 14:14 Vote results 15:07 Formation of Sag A 16:58 Iron winds on WASP-76b 18:15 Water on exoplanets 19:58 Guide to space 20:39 Asking for a favour 📺 VIDEO VERSION https://youtu.be/gwWYzlXOIsw 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    23 mins
  • The Interview You All Have Been Asking For. Asteroseismology

    The Interview You All Have Been Asking For. Asteroseismology
    Sep 11 2024
    Stars oscillate. Even the Sun does. And we can learn a lot about them by studying those oscillations. How is it done and what can we learn? Finding out in this interview. 🟣 Guest: Dr. Marc Hon https://mtyhon.github.io/ 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 01:39 What is Astroseismology 07:07 Measuring the oscillations of the Sun 12:45 Age of stars 24:17 The technique 36:03 Future instruments 49:32 Current obsessions 54:46 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/pfbo4Ffzf9I 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    57 mins