Universe Today Podcast

If there is a faster-than-light spaceship, could we detect it? Can we use the Sun as a magnifying glass? Which telescope to get under $200? Can Juno meet Europa clipper? Answering all these questions and more in this week's Overtime Q&A. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:18 Can we detect FTL spacecraft? 03:26 Good telescope for under $200? 05:51 Could we use the Sun as a magnifying lens? 06:50 Will Juno still be operational when Clipper and Juice arrive? 07:23 Why did SpaceX develop Mechazilla? 10:51 How can the Universe be infinite if it started in the Big Bang? 📺 VIDEO VERSION https://youtu.be/tNfUvoeIjog 📰 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)Support Universe Today Podcast

Starship completes its 6th flight test, Webb analyzes a star in another galaxy and confirms the Hubble tension, again, and a new explanation for the moons of Mars. More interviews: 👉 Nobel Prize Winner Explains JWST vs The Crisis in Cosmology https://youtu.be/hmJOz9qCk0M 👉 Explanation for the Webb's "Impossible" Galaxies https://youtu.be/xPK9kF2tqfk 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Intro 00:14 Starship IFT-6 https://www.universetoday.com/169736/starships-booster-and-donald-trump-make-a-splash-at-sixth-flight-test/ 03:47 Zoomed in star in another galaxy https://www.universetoday.com/169830/the-first-close-up-picture-of-star-outside-the-milky-way/ 05:20 Webb confirms Hubble Tension https://www.universetoday.com/169619/james-webb-confirms-hubbles-calculation-of-hubbles-constant/ 08:31 More monster galaxies https://www.universetoday.com/169692/three-more-galactic-monster-ultra-massive-galaxies-found/ 10:22 Vote results 11:03 Stars eating their planets https://www.universetoday.com/169702/up-to-a-third-of-stars-ate-some-of-their-planets/ 12:47 How Mars got its moons https://www.nasa.gov/solar-system/planets/mars/making-mars-moons-supercomputers-offer-disruptive-new-explanation-2/ 14:37 Repurposing Mars Express camera https://www.universetoday.com/169092/how-scientists-repurposed-a-camera-on-esas-mars-express-mission/ 16:07 Guide to space 16:45 Channel updates 📺 VIDEO VERSION https://youtu.be/CgZWahb-TY8 📰 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)Support Universe Today Podcast

We're still waiting for the results from JWST about the atmospheres on the TRAPPIST-1 planets. But is there a way for red dwarf planets to keep atmospheres on planets. Latest research seems to show that it might be possible. 🟣 Guest: Dr. Joshua Krissansen-Totton https://depts.washington.edu/astrobio/wordpress/profile/joshua-krissansen-totton/ 📜 The erosion of large primary atmospheres typically leaves behind substantial secondary atmospheres on temperate rocky planets https://www.nature.com/articles/s41467-024-52642-6 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Intro 02:09 Problems with M dwarfs 11:22 Holding on to atmospheres 19:46 JWST observations 24:10 Habitable worlds observatory 32:40 Trappist-1 results wen? 40:22 More interviews 📺 VIDEO VERSION #TODO_LINK 📰 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)Support Universe Today Podcast

Should they teach conspiracy theories in schools? How can we preserve history? How restricted is JWST because of its sunshield? Answering all these questions and more in this week's Overtime Q&A. 🦄 Watch our videos with no ads 👉 Get additional audio episodes of Overtime https://patreon.com/universetoday 00:00 Start 00:26 Should conspiracy theories be taught in school? 08:13 How much does the sunshield block JWST? 10:19 How can we protect history? 14:27 Will we find ancient civilizations on other planets? 18:03 Why not use the proper name for the Sun and Moon? 18:55 Is there a Moon timezone? 19:56 Is the edge of the Observable Universe set by aliens? 📺 VIDEO VERSION https://youtu.be/vPzWeZydMbE 📰 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)Support Universe Today Podcast

Will SpaceX be able to deliver Starship in time for Artemis? Will Elon and Donald cancel SLS and replace it with Falcon Heavy? Is there any chance for real competition with SpaceX? How serious is the space race with China? Finding out the answers in this interview. 🟣 Guest: Eric Berger https://arstechnica.com/author/ericberger/ 🦄 UT Extra: Future of Space Journalism https://patreon.com/universetoday 📖 Eric Berger's New Book "Reentry: SpaceX, Elon Musk, and the Reusable Rockets that Launched a Second Space Age" https://www.goodreads.com/book/show/205309521-reentry 00:00 Intro 01:12 Reentry and the rise of SpaceX 10:24 What happens to SLS 20:17 The state of Starship 30:45 Blue Origin and other competition 35:29 Space race with China 42:11 Questions from the Patreon Community 53:22 Current obsessions 55:11 Final thoughts 📺 VIDEO VERSION https://youtu.be/_igVSf6tyJs 📰 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)Support Universe Today Podcast

Moon has a non-uniform bumpy gravitational field. We can use these anomalies to launch stuff off the surface of the Moon with electromagnetic launchers. How exactly can we do it? Finding out in this interview. 🟣 Guest: Dr. Pekka Janhunen https://www.mpe.mpg.de/person/18090/2169 📜 Launching mass from the Moon helped by lunar gravity anomalies https://arxiv.org/abs/2410.09616 📜 Terraforming the dwarf planet: Interconnected and growable Ceres megasatellite world https://arxiv.org/pdf/2011.07487 🦄 Support us on Patreon: https://patreon.com/universetoday More interviews: 🌞 Solar Gravitational Lens with Slava Turushev: https://youtube.com/live/lqzJewjZUkk?feature=share 🚀 Realistic Interstellar Travel with Andrew Higgins https://youtu.be/SkGRVvA23qI 🏡 Asteroid Habitats with Adam Frank https://youtu.be/Z-hH3-z56cg 00:00 Intro 02:51 Electrostatic sail updates 07:15 Launching stuff from the Moon 14:46 Finding trajectories 18:44 Practical applications 30:56 Mining Ceres 38:32 Future of humanity 42:53 More interviews 📺 VIDEO VERSION https://youtu.be/VP4fn0_cb24 📰 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)Support Universe Today Podcast

Some good environmental news, the Roman Space Telescope gets its mirror, astronomers defy the zone of avoidance, and moving stars halfway across the Milky Way 📸 New Zealand Astrophotography Competition: https://www.universetoday.com/169293/our-breathtaking-cosmos-new-zealand-astrophotography-winners-announced/ 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Intro 00:14 Good news! https://www.universetoday.com/169251/good-news-the-ozone-layer-hole-is-continuing-to-shrink/ 02:41 Nancy Grace Roman gets its mirror https://www.nasa.gov/missions/roman-space-telescope/telescope-for-nasas-roman-mission-complete-delivered-to-goddard 05:01 Leonides https://www.universetoday.com/169124/is-an-off-year-leonid-outburst-in-the-cards-for-november/ 06:27 Trash compactor https://www.universetoday.com/169229/a-trash-compactor-is-going-to-the-space-station/ 07:43 Astronomers defy the Zone of Avoidance https://www.universetoday.com/169287/astronomers-defy-the-zone-of-avoidance-to-find-hundreds-of-new-galaxies/ 10:07 Finding black holes by their light echoes https://www.universetoday.com/169227/using-light-echoes-to-find-black-holes/ 11:33 Vote results 12:11 Life under ice on Mars https://www.universetoday.com/169296/how-life-could-live-under-the-ice-on-mars/ 13:46 Stellar engine https://www.universetoday.com/169255/a-spider-stellar-engine-could-move-binary-stars-halfway-across-a-galaxy/ 16:08 Habitable worlds observatory 17:05 More space news stories 17:49 New Zealand astrophotography competition 📺 VIDEO VERSION https://youtu.be/d3eNRzrJRqY 📰 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)Support Universe Today Podcast

🦄 Support us on Patreon: https://patreon.com/universetoday 🟣 Guest: Dr. Sebastian Rabien https://www.mpe.mpg.de/person/18090/2169 📜 Membrane Space Telescope: Active Surface Control with Radiative Adaptive Optics https://arxiv.org/pdf/2410.07741 00:00 Intro 02:27 Adaptive optics in space 05:17 Membrane-based telescopes 22:48 Taking membrane telescopes to space 32:54 A practical next step 34:02 Questions from patrons 36:54 Working with ELT 44:30 More interviews 📺 VIDEO VERSION https://youtu.be/36t-UGXfllk 📰 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)Support Universe Today Podcast

🦄 Support us on Patreon: https://patreon.com/universetoday How fast can the Earth spin before it starts tearing itself apart? Should we be worried about samples from Mars contaminating Earth? Why don't space agencies use standardized platforms for their missions to save costs? 00:00 Start 01:05 How fast can the Earth spin not to tear apart? 05:19 Is bringing samples from space objects dangerous? 09:56 Can we make space probes standard? 14:34 Why is it so hard to go to other star systems? 19:01 What happens to time dilation in an Alcubierre drive? 21:32 Can our Oort cloud exchange material with Alpha Cen? 24:05 How would true colour images of exoplanets look like? 26:19 Are goofy thumbnails the zeitgeist of science channels? 29:41 Electromagnetic mass drivers on the Moon? 33:31 How long can satellites stay in orbit? 36:09 Why we don't expect life around M dwarf stars? 📺 VIDEO VERSION https://youtu.be/uibgztL2wEA 📰 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)Support Universe Today Podcast

Another Starship flight is right around the corner, how to make space telescopes insanely thin, a black hole feeding faster than it should, and plans to build your own radio telescope 🦄 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 00:13 Starship IFT-6 Launch Date 03:27 Satellite surviving a collision 05:12 Ultra-thin space telescopes 07:42 Aftermath of a neutron star collision 09:48 Steam world 11:25 Vote results 11:58 Black hole that's eating too fast 13:33 The end for Skylon? 15:39 Build your own telescope 17:16 Guide to Space 17:59 Questions for the interviews 📺 VIDEO VERSION https://youtu.be/yNGAB7i8prI 📰 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)Support Universe Today Podcast