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  • [Q&A] Giving Up on Dark Matter, Swarm of Cheap Probes VS Single Expensive One, Rotating Universe

    [Q&A] Giving Up on Dark Matter, Swarm of Cheap Probes VS Single Expensive One, Rotating Universe
    2025/06/12
    At what point we should just admit defeat and give up on our search for dark matter? Should we be sending a lot of cheap space probes instead of a single expensive one? If the Universe is rotating, where is the axis? And in our Q&A+ version, how to make a friend fall in love with 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 [Tyler] Have we ever sent a swarm of really cheap probes instead of a single expensive one? 03:03 [Nithin Cleetus] If the Universe is rotating, around which axis does it do that? 04:31 [Trinidatt] What are the requrements to get a gravitational lens? 07:36 [estraume] Any updated on the idea of air-breathing ion engines? 09:10 [Andreas Lusti] How do I arrange my interviews? 12:39 [Frosty⛄️Winnipeg] When will I get an asteroid named after me? 15:05 [Maciej Jurkowski] How long will we be searching for dark matter before giving up? 📺 VIDEO VERSION https://youtu.be/LrIYot5w5z8 📰 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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    21 分
  • [Interview] Unveiling The Most Obscured Part of Our Galaxy

    [Interview] Unveiling The Most Obscured Part of Our Galaxy
    2025/06/10
    For a long time the central part of our galaxy was mostly hidden from us because of all the dust. It was even called the Zone of Avoidance. But with better telescopes and modern techniques we can peer inside and reveal what's hiding. Even build 3D-maps of the region. 😍 [Interview+] Bonus Part. No YT ads. https://www.patreon.com/universetoday 🟣 Guest: Dr Cara Battersby https://battersby.physics.uconn.edu/ 📜 3D Structure of our Galaxy’s Central Molecular Zone https://centralmolecularzone.github.io/3D_CMZ/ 00:00 Intro 01:46 Zone of Avoidance 12:15 3D-map of the Central molecular zone 16:36 Star formation 22:58 Unsolved questions 27:59 Current obsessions 28:36 PRIMA mission with NASA 35:01 Final thoughts 📺 VIDEO VERSION https://youtu.be/BpaEskYuBk0 📰 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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    37 分
  • [Space Bites] Resolution for Hubble Tension // Milkdromeda Might Not Happen // Failed Lunar Landing

    [Space Bites] Resolution for Hubble Tension // Milkdromeda Might Not Happen // Failed Lunar Landing
    2025/06/06
    The White House pulls Jared Isaacman’s nomination, the 2026 NASA budget is released, the Hubble Tension might not be a problem after all, the Milky Way and Andromeda might not merge after all. And on SpaceBites+, which ozone isn’t a good biosignature. 🚀 [Space Bites+] No ADS. BONUS Story. For FREE: https://www.patreon.com/universetoday 👉 Vote for the best story here: https://www.youtube.com/@frasercain/community 00:00 Intro 00:22 No Jared for NASA https://arstechnica.com/space/2025/05/trump-pulls-isaacman-nomination-for-space-source-nasa-is-fed/ 01:57 NASA budget request https://www.universetoday.com/articles/nasas-fy-2026-budget-request-has-been-released 04:36 ispace failed another Moon landing 05:34 Hubble tesion possible solved? https://www.universetoday.com/articles/is-the-hubble-tension-starting-to-go-away 08:27 Milkdromeda might not happen https://www.universetoday.com/articles/the-hubble-just-cancelled-the-milky-way-andromeda-collision 10:09 Pluto https://www.universetoday.com/articles/webb-watches-haze-rise-and-fall-in-plutos-atmosphere 11:58 Vote results 12:38 Europa https://www.universetoday.com/articles/webb-reveals-that-europas-surface-is-constantly-changing 14:54 Monitoring solar storms https://www.universetoday.com/articles/advanced-orbital-constellations-for-solar-storm-defense 16:27 Starship missions to Mars https://www.universetoday.com/articles/missions-to-mars-starship-three-months 19:02 Newsletter 19:43 Bonus story 19:58 Realism in SciFi 📺 VIDEO VERSION https://youtu.be/RvTwWZt1SRw 📰 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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    23 分
  • [Q&A] Getting Stuck on a Planet, Dangerous Supernovae, Expansionistic Aliens

    [Q&A] Getting Stuck on a Planet, Dangerous Supernovae, Expansionistic Aliens
    2025/06/05
    How big does a planet has to be to make it impossible to fly a rocket from it? Why are aliens always portrayed expansionistic? Can a supernova make us all go extinct? And in our extended Q&A+ edition, is terraforming Mars necessary for finding life there? Answering all these questions and more in this Q&A show. 🎁 [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 [knallpistol] How can stars in globular clusters be so close yet so far? 03:28 [Mister Ikkus] Why everyone imagines aliens to be expansionistic? 05:28 [Matthew Reuter] What's the limit on a planet's mass to get stuck on one? 07:51 [James Valley] Can a supernovae take us out? 08:50 [Paige Potter] When we colonize other places, will Earth become a concept rather than a place? 10:50 [Vicente Hdez] What have been the keys to staying constantly active in astronomy communication? 14:56 [Pete Harris] What to see in the Southern Hemisphere's night sky? 📺 VIDEO VERSION https://youtu.be/19phg5eP4Rs 📰 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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    19 分
  • [Interview] All You Need to Know About Type 1a Supernovae

    [Interview] All You Need to Know About Type 1a Supernovae
    2025/06/04
    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 分
  • [Q&A] Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova

    [Q&A] Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova
    2025/06/03
    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 分
  • [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
    2025/06/02
    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 分
  • [Space Bites] Mysterious Object Discovered // Starship Explodes Again // China's Asteroid Sample Return

    [Space Bites] Mysterious Object Discovered // Starship Explodes Again // China's Asteroid Sample Return
    2025/05/30
    China’s asteroid sample return mission launches, searching for a companion star for Betelgeuse, the 9th flight test wraps up for Starship and Superheavy, and Webb takes its longest exposure yet. And in SpaceBites+, is Venus hiding deadly asteroids. 🚀 [Space Bites+] No ADS. BONUS Story. For FREE: https://www.patreon.com/universetoday 👉 Vote for the best story here: https://www.youtube.com/@frasercain/community 00:00 Intro 00:30 Mystery object discovered https://www.universetoday.com/articles/strange-object-is-releasing-regular-blasts-of-both-x-rays-and-radio-waves 02:46 Searching for Bettel-Buddy https://www.universetoday.com/articles/the-search-is-on-for-betel-buddy 05:07 China's asteroid sample return mission launched https://www.universetoday.com/articles/chinas-tianwen-2-is-off-to-collect-an-asteroid-sample 06:40 China's reusable rocket test https://news.cgtn.com/news/2025-05-29/Chinese-commercial-rocket-completes-vertical-sea-recovery-test-1DMefpHW0qQ/p.html 07:50 Starship IFT-9 https://www.universetoday.com/articles/after-awesome-launch-starship-spins-out-of-control 09:58 Vote results https://www.youtube.com/@frasercain/community 10:34 Black holes but in colour https://www.universetoday.com/articles/the-event-horizon-telescopes-next-feat-multi-color-pictures-of-black-holes 12:44 New discoveries about M87 SMBH https://arxiv.org/abs/2505.17035 15:00 Webb's longest exposure https://www.universetoday.com/articles/the-webb-captures-faint-galaxies-from-the-universes-ancient-past 16:21 More space news 17:31 [Space Bites+] bonus story 17:46 Some people just don't understand interviews 📺 VIDEO VERSION https://youtu.be/c_RvcTNbVs4 📰 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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    21 分