Universe Today Podcast

Liquid mirror telescopes exist. But there's a big problem with them. They can only look directly up. Can we fix it? Can they work beyond the Earth's surface, in orbit or on the Moon? Finding out in this interview. 👉 Watch this video with NO ADS and a BONUS part for FREE: https://www.patreon.com/universetoday 🟣 Guest: Dr. Alvaro Romero-Calvo https://lowgravitylab.ae.gatech.edu/ 00:00 Intro 01:16 How liquid mirror telescopes work 06:39 Changing the orientation 17:18 Adaptive optics with liquid mirrors 19:32 Going beyond Earth surface 25:18 Current obsessions 29:02 Final thoughts 📺 VIDEO VERSION https://youtu.be/PIVuv64h19c 📰 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

Long-chain hydrocarbons found on Mars, has dark energy been decreasing over time? a completely flat telescope lens, the center of the Milky Way contains a star grinder. And in our free version on Patreon, a new theory for the formation of Mercury. 🚀 Watch THIS VIDEO with NO ADS and a secret BONUS for FREE: https://www.patreon.com/universetoday 00:00 Intro 00:20 Long-chain Hydrocarbons on Mars https://www.universetoday.com/articles/long-chain-hydrocarbons-found-on-mars 02:10 Weird Mars rock found by Percy https://science.nasa.gov/blog/shocking-spherules/ 03:44 Possible solution for Hubble Tension https://www.universetoday.com/articles/fresh-findings-strengthen-the-case-for-dark-energys-evolution 08:24 Flat lens telescope https://www.universetoday.com/articles/researchers-test-a-completely-flat-telescope-lens 10:23 Updates on the earliest galaxies https://www.universetoday.com/articles/the-most-distant-known-galaxy-already-had-oxygen 12:34 Galaxy blowing on cosmic fog https://www.universetoday.com/articles/webb-sees-an-early-galaxy-blowing-away-the-cosmic-fog 14:41 Vote results https://www.youtube.com/@frasercain/community 15:14 Space tornadoes https://www.universetoday.com/articles/there-are-space-tornadoes-surrounding-the-core-of-the-milky-way 16:59 The star grinder https://www.universetoday.com/articles/the-star-grinder-a-cloud-of-black-holes-at-the-center-of-the-milky-way 18:01 Cool space images https://www.universetoday.com/articles/webb-sees-a-young-star-create-a-cosmic-tornado 19:13 More space news 20:32 Bonus story. Origin of Mercury 21:02 Our biggest piece of content ever https://www.patreon.com/posts/patron-questions-125246249 📺 VIDEO VERSION https://youtu.be/Q_UyQqTv-oA 📰 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 astronauts be eventually replaced by robots in space? Is there a plan for a replacement for the Kepler telescope? Do Intuitive Machines failures mean that Starship HLS is kind of in danger? And in our free bonus question on Patreon, will Artemis become 100% SpaceX? All this and more in this Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:30 Will astronauts be replaced by robots? 05:12 Is the vertical Starship HLS in danger? 07:44 What does NASA budget cuts mean for Chandra? 11:53 Are there any plans to repalce Kepler? 📺 VIDEO VERSION https://youtu.be/jWYHflFer-o 📰 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

Titan is the only known world except Earth that has liquid on its surface and a dense atmosphere. We are planning to send a nuclear helicopter called Dragonfly to explore it. What can we expect from Titan? Finding out in this interview. 👉 Watch this video with NO ADS and a BONUS part for FREE: https://www.patreon.com/universetoday 🟣 Guest: Dr. Sam Birch https://geomorph-sbirch.com/ 📜 Titan’s Fluvial & Lacustrine Landscapes https://arxiv.org/pdf/2502.02556 00:00 Intro 00:58 Why Titan? 08:28 Climate on Titan 13:32 Dragonfly mission 23:31 Sub-surface ocean 31:05 Current obsessions 📺 VIDEO VERSION https://youtu.be/jxPsu0zHrd8 📰 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

Is painting the Sun green a clever way to attract alien attention? Discover the complexities behind creating a self-sustaining space station and the innovative ideas inspired by past experiments. Learn about the fate of the LUVOIR telescope and its implications for future astronomy. Plus, uncover the environmental impacts of satellite launches and explore sustainable strategies for resource utilization in space. This episode is packed with intriguing questions and thought-provoking topics!

Dive into the lunar excitement as the Blue Ghost lander captures stunning sunset views before concluding its mission. Get the scoop on the reassuring news about the menacing 'Death Star' that’s not actually threatening us. Learn about innovative plans for Mars Sample Return missions from Rocket Lab and China. Plus, incredible insights from the Euclid telescope and groundbreaking discoveries in exoplanetary atmospheres are highlighted. Join in on the thrilling advancements shaping the future of space exploration!

What would a black hole do if it was inside Uranus? What do I think about AI-generated content impersonating Universe Today? What telescope should you buy in 2025? And in our free extended version, the deepest rabbit hole I went into. All this and more in this Q&A show. 🎁 Same video. No YT ads +a BONUS question: https://www.patreon.com/posts/124793779 🚀 Even more Q&A in Overtime: https://www.patreon.com/posts/overtime-for-q-124799180 00:00 Start 00:27 Black hole in Uranus 02:12 What would I tell scientists 100 year ago? 03:44 Telescope recommendations 06:39 Channels impersonating me. What should I do? 08:39 How does throwing a ball in an artificial gravity ring station look like? 11:57 Will Betelgeuse explode soon? 14:30 Where to leave your questions 📺 VIDEO VERSION https://youtu.be/ajvutm--rgQ 📰 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

What is my biggest disappointment in the history of space exploration? Will the YR4 asteroid have a chance to hit the Moon? Does the solar gravitational lens need a coronagraph? And in our free extended version, how time dilation changes intergalactic travel? All this and more in this Q&A show. 🎁 Same video. No YT ads. +a BONUS question: https://www.patreon.com/universetoday 00:00 Start 00:29 Will the Solar Gravitational Lens telescope need a coronagraph? 03:47 Will the asteroid YR4 have a chance to hit the Moon? 05:28 What is the most advanced on the scale that we could possibly miss? 09:47 What’s my current biggest disappointment in space exploration? 13:08 What does privatisation of space mean for us? 📺 VIDEO VERSION https://youtu.be/0guVsZhB2Ww 📰 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

As we put more and more satellites in orbit, chances of them colliding also increase. How can we manage that? How can we make sure that Kessler syndrome won't happen and keep all those satellites from destroying each other? Finding out in this interview. 🦄 Support us on Patreon: https://patreon.com/universetoday 🟣 Guest: Dr. Sydney Dolan https://sydneyidolan.com/ 00:00 Intro 01:38 How satellites avoid collisions 08:11 Close calls 11:20 Detecting and modelling collisions 20:28 Understanding orbits 25:28 Autonomy 32:18 Current obsessions 36:43 Bonus part 37:41 More interviews 📺 VIDEO VERSION https://youtu.be/D9Jf41w1ChI 📰 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

Could we find a way to Earth from another part of a galaxy? Would people born on Mars grow taller to adopt to lower gravity? Can you jump off the surface of Pluto? And in our free bonus question on Patreon, what would happen if dark energy is disproved? All this and more in this Q&A. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:29 Could we find a way back home from another part of the galaxy? 03:06 How high could you jump on Pluto? 04:23 Would people born on Mars be taller? 06:36 Is a space race a good idea? 11:10 Should asteroid mining be regulated? 📺 VIDEO VERSION https://youtu.be/ivgaHbBdKoQ 📰 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