Universe Today Podcast

Fraser Cain

Space news, interviews, Q&As, and exclusive content from Universe Today. Audio versions of Fraser Cain YouTube channel.

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Wissenschaft Astronomie Wissenschaft Naturwissenschaften Wissenschaft Physik

[Space Bites] Zone of Avoidance Defied // Big Meteor Storm's Coming // Ozone Hole Shrinks
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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Interview] Are Membrane Telescopes The Future of Space-Based Astronomy?
🦄 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Q&A] Spin Limit of Earth, True Colours of Exoplanets, Danger from Space Samples
🦄 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Space Bites] Satellite Survives Orbital Hit // Starship Flight 6 Date // Webb Finds a Steam World
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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Q&A] How Loud Was The Big Bang? Does Planet Spin Matter? Can Black Holes Revert to Stars?
🦄 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 00:27 [Alaris] How loud was the Big Bang? 04:06 [Ardena] Can black holes become neutron stars again? 07:35 [Asuria] Why send missions to Europa, not Enceladus? 12:17 [Belote] Will humans feel weird on a planet spinning opposite to Earth? 13:33 [Belsa] Did we see globular clusters gain or lose stars? 15:40 [Cartego] What would a Moon or Mars cars look like? 19:03 [Chulak] Can Ganymede and Titan be considered planets? 21:51 [Dakara] How loud would the Sun be? 22:40 [Edora] Can we use lasers for solar sails? 27:30 [Goronak] How does mass cross the event horizon? 30:28 [Hadante] How do we predict the lifetime of stars? 33:45 [Hebridan] Could we send mass to space to change our orbit and stop global warming? 📺 VIDEO VERSION https://youtu.be/eHKXwlDhWxA 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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