Why don t moon landers just heat themselves to live through the lunar night? Will Betelgeuse s explosion cause a lot of gravitational waves? Is it even theoretically possible to accelerate close to the speed of light? And in our free bonus question on Patreon, what is my dream space mission? Answering all these questions and more in this Q A show. 🎁 [Q A+] Same video. No YT ads. BONUS question : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q A: https://www.patreon.com/universetoday 00:00 Start 00:29 [TuckFeem0] Which galaxies does JWST see in its most distant surveys? 03:50 [Silas Miller] Why do moon rovers and landers die from cold instead of just heating themselves? 09:04 [Larry Ward] What s happening with the expansion of the Universe? 12:06 [Lost in space] When Betelgeuse goes boom, will there be detectable gravitational waves? 13:30 [Bohr1um] Did my audience growth stagnate? 18:12 [Oh Ish Waddup] Can you realistically accelerate close to the speed of light? 📺 VIDEO VERSION https://youtu.be/5UcujAzxSOI 📰 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
3 Apr 2025 - 23 min 04 s
Could there be rouge planets floating in space between us and Alpha Centauri system? Will the Chinese be beaming power from a space station to Earth? Will solar sails be used for propulsion in our lifetime? And in our free bonus question on Patreon, how Lagrange points work for different planets and moons? Answering all these questions and more in this Q A. 🎁 [Q A+] Same video. No YT ads. BONUS question : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q A: https://www.patreon.com/universetoday 00:00 Start 00:33 [Visto Tutti] Could there be rogue planets between us and Alpha-Cen? 03:59 [Wilkse1] Are there rogue black holes? 06:31 [KoiJoiJoe] Is the Chinese project to harvest solar energy in space and beam it to Earth real? 09:41 [KayKay14m] Will beaming power from space harm the atmosphere? 11:26 [Somadove] Will solar sails be used for propulsion in our lifetime? 13:21 [Abdul Samad Kholia] How can one work on realistic interstellar travel? 📺 VIDEO VERSION https://youtu.be/I8dH_L58mpQ 📰 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
1 Apr 2025 - 21 min 43 s
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
31 Mar 2025 - 31 min 37 s
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
28 Mar 2025 - 22 min 47 s
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
27 Mar 2025 - 20 min 07 s
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
26 Mar 2025 - 36 min 45 s
Should we be colouring our star green to make it stand out for potential aliens? What would it take for a space station to be fully self-sufficient? What happened to LUVOIR which was supposed to be a bigger version of JWST? And in our free bonus question on Patreon, can you win a Nobel Prize by watching YouTube videos. All this and more in this Q A. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:32 Can a space station be 100% self-sustaining? 03:54 Should we paint the Sun green? 06:29 How can we still see the CMB? 08:02 Starlink and the destruction of ozone layer 12:31 What s going on with the LUVOIR telescope? 📺 VIDEO VERSION https://youtu.be/YgeitQyLr9c 📰 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
25 Mar 2025 - 21 min 55 s
Blue Ghost wraps up two busy weeks on the Moon with a sunset, good news, the death star isn’t pointing at us, and a new option for the Mars Sample Return mission. And our longer edition on Patreon, how supernovae could have caused two of Earth’s mass extinction events. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Intro 00:19 Blue Ghost s eclipse and sunset https://www.universetoday.com/articles/this-is-a-lunar-eclipse-seen-from-the-moon https://www.universetoday.com/articles/blue-ghost-watches-the-lunar-sunset-signalling-the-end-of-its-mission 02:45 Some science for Athena IM-2 https://www.universetoday.com/articles/one-instrument-on-the-failed-lunar-lander-did-a-little-science 04:25 Good News about the Death Star https://keckobservatory.org/pinwheel/ 06:30 Rocket Lab s Mars Sample Return architecture https://spacenews.com/bringing-mars-to-earth-solving-mars-sample-return/ 08:36 China s MSR https://www.cnsa.gov.cn/english/n6465645/n6465648/c10652198/part/10652214.pdf 09:36 Euclid s deep field https://www.universetoday.com/articles/the-esas-euclid-space-telescope-gives-glimpses-of-its-deep-field 11:19 Vote results https://www.youtube.com/@frasercain/community 11:57 My favourite exoplanet system https://www.universetoday.com/articles/webb-directly-observers-giant-planets-sensing-carbon-dioxide-in-their-atmospheres 14:06 A glipse of SKA s ability https://www.universetoday.com/articles/the-square-kilometre-array-releases-its-first-test-image 16:01 Deimos by Hera https://www.universetoday.com/articles/hera-swings-past-mars-sees-deimos-from-a-new-angle 16:59 Guide to space 17:31 Secret bonus story 17:58 New articles 📺 VIDEO VERSION https://youtu.be/ddeDJBeGLCI 📰 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
21 Mar 2025 - 20 min 30 s
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
20 Mar 2025 - 18 min 26 s
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
18 Mar 2025 - 19 min 23 s