New measurements show dark energy may be evolving, Japan is joining Artemis with a pressurized rover, why the Moon has two different faces, and my experience with the total solar eclipse. 🦄 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 00:16 Dark Energy might be evolving https://www.universetoday.com/166508/a-new-map-shows-the-universes-dark-energy-may-be-evolving/ 04:44 JAXA's Moon rover https://www.nasa.gov/news-release/nasa-japan-advance-space-cooperation-sign-agreement-for-lunar-rover/ 06:52 Moon's two different halves https://www.universetoday.com/166588/finally-an-explanation-for-the-moons-radically-different-hemispheres/ 08:57 Ice-melting probe https://www.universetoday.com/166548/testing-a-probe-that-could-drill-into-an-ice-world/ 10:51 Vote results https://youtu.be/zuuo1O93kMY 11:24 Rainbows on exoplanets https://www.universetoday.com/166535/the-first-atmospheric-rainbow-on-an-exoplanet/ 13:21 Small black hole https://www.universetoday.com/166566/a-neutron-star-merged-with-a-surprisingly-light-black-hole/ 14:30 Solar eclipse 2024 https://www.universetoday.com/166596/here-are-the-next-three-total-solar-eclipses-coming-up/ 16:44 Two cool videos https://www.universetoday.com/166612/watch-a-satellite-reaction-wheel-melt-in-a-simulated-orbital-re-entry/ 18:24 Even more space news 19:09 JAXA is so cool 📺 VIDEO VERSION https://youtu.be/8U7MbLGbArE 📰 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)

What engine type will the first manned interstellar mission use for propulsion? Will AI help solve any mysteries of space? Why do we have exoplanet types named after Neptune but not Uranus? Answering all these questions and more in this week's Q&A show. 🦄 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 00:24 [Andoria] What will happen to the orbits of planets when the Sun expands? 03:54 [Vulcan] What can we learn from the dust in the Solar system? 08:05 [Risa] How does Venus keep its atmosphere? 12:09 [Aeturen] What does the Unruh effect mean? 14:30 [Vendikar] Why exoplanet types aren't called after Uranus? 16:14 [Remus] How will the first interstellar manned mission look like? 21:07 [Janus] What do JWST observations of organics around protostars mean? 25:26 [Cait] Are aliens limited by the transit method? 30:16 [Betazed] Will AGI help us solve the mysteries of space? 35:19 [Cheleb] Did JWST really find city lights 7 trillion miles away? 📺 VIDEO VERSION https://youtu.be/5GTXejI-StE 📰 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)

Vera Rubin’s Camera is complete, where are rogue planets coming from, NASA chooses suppliers for its new lunar rover, and an earlier formation for the Moon. 🦄 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 00:14 Vera Rubin's camera is ready https://noirlab.edu/public/news/noirlab2407/ 01:39 Where do rogue planets come from https://www.universetoday.com/166406/where-are-all-these-rogue-planets-coming-from/ 03:44 NASA gives contracts for new Moon rovers https://www.universetoday.com/166500/nasa-teams-lunar-terrain-vehicle/ 05:32 SLIM's still alive https://www.universetoday.com/166431/against-all-odds-japans-slim-lander-survived-a-second-lunar-night-upside-down/ 06:48 Hopping on the Moon https://www.universetoday.com/166473/a-robot-hopper-to-explore-the-moons-dangerous-terrain/ 08:54 Vote results 09:45 Earliest possible Moon formation https://www.universetoday.com/166479/whats-the-earliest-the-moon-could-have-formed/ 11:54 Simulating a neutron star surface https://www.universetoday.com/166434/it-takes-a-supercomputer-to-properly-simulate-a-neutron-stars-surface/ 13:19 Newsletter 13:59 How to watch the eclipse 📺 VIDEO VERSION https://youtu.be/zuuo1O93kMY 📰 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)

Does gravitational lensing affect the CMB? Can the Great Attractor solve the Hubble tension? Why don't we put a Deep Space Network antenna in space? What's the difference between a nova and a supernova? Answering all these questions and more in this week's Q&A show. 🦄 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 01:31 [Andoria] How does gravitational lensing affect the CMB? 05:31 [Vulcan] What's the difference between a nova and a supernova? 11:25 [Risa] Can the Great Attractor be the reason for the Hubble tension? 13:55 [Aeturen] Orientation of the Moon in different places on Earth 15:52 [Vendikar] Why not put the Deep Space Network in space? 21:11 [Remus] Should we build a space station to travel to Mars? 23:47 [Janus] Is there a limit for the periodic table elements? 26:52 [Cait] What was my early life experience in Astronomy? 30:54 [Betazed] What is the best thing to see from a southern latitude? 33:38 [Cheleb] Why were stars in the early universe so much larger than stars today? 37:56 [Nimbus] Would I go to Mars? 40:13 [Belos] Do we know about moons orbiting other moons? 📺 VIDEO VERSION https://youtu.be/Mweexhwpu5g 📰 EMAIL NEWSLETTER Read by 70,000 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)

The Fermi paradox has many solutions. Many explanations for the fact that we don't see any signs of intelligent life in the Universe. We ranked all the major ones and put them into tiers from S to D. 🔵 Pale Blue Pod: https://palebluepod.space/ 👉 Dr Moiya McTier: https://www.moiyamctier.com/ 👉 Dakotah Tyler: https://www.dakotahtyler.com/ 🦄 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 00:00:00 Intro 00:01:33 Fermi paradox 00:02:25 Zoo Hypothesis 00:06:19 Prime Directive 00:11:10 Simulation Hypothesis 00:16:54 Dark Forest 00:25:48 The Great Filter 00:33:54 Self-Destruction 00:40:16 We're The First 00:44:15 Rare Intelligence 00:49:00 We're Alone 00:56:00 Communication Barrier 01:04:35 Post-Biological Life 01:12:16 Hibernation Hypothesis 01:16:31 Our Tech Isn't Good Enough 01:20:49 We're Searching In Wrong Places 01:24:08 Aliens Are Among Us 01:27:01 Interstellar Travel is Impossible 01:36:19 Reapers 01:42:03 Expansion is Inefficient 01:47:48 There Is a Better Way 📺 VIDEO VERSION https://youtu.be/DFPfG413F58 📰 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)

See the magnetic fields twisting around the Milky Way’s supermassive black hole, a supernova was seen in almost real time, NASA announces its planetary science goals for Artemis III and Gaia finds two ancient building blocks of the Milky Way. 🦄 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 00:18 New EHT image of Sag A https://www.universetoday.com/166327/new-view-reveals-magnetic-fields-around-our-galaxys-giant-black-hole/ 02:45 Supernova caught in almost real time https://keckobservatory.org/sn2023ixf/ 04:55 Artemis 3 planetary science goals https://www.universetoday.com/166321/nasa-reveals-its-planetary-science-goals-for-artemis-iii/ 07:12 Gaia finds ancient streams of stars https://www.universetoday.com/166303/gaia-finds-ancient-streams-of-stars-that-formed-the-milky-way/ 08:29 Veritas mission is back in business https://www.universetoday.com/166299/nasas-veritas-mission-breathes-new-life/ 10:11 Vote results 10:53 China's Moon relay satellite 12:18 Hubble sees two newly born stars https://www.universetoday.com/166359/hubble-sees-a-star-about-to-ignite/ 14:32 Live Starlink map https://www.universetoday.com/166319/watch-a-real-time-map-of-starlinks-orbiting-earth/ 15:39 More news 16:28 Venus 📺 VIDEO VERSION https://youtu.be/ogTvHqhUfXQ 📰 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)

Can we harvest energy from the Moon's temperature difference? Why don't we just launch multiple telescopes like Hubble? Why is the Moon grey? Why are sunspots black? Answering all these questions and more in this week's Q&A show! 🦄 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 [Andoria] Can we extract energy from Moon's temperature difference? 05:19 [Vulcan] Constellation of "Almost Hubbles" 08:40 [Risa] Why do sunspots look black? 10:26 [Aeturen] Will we still be 'alone' if we find life on Europa? 14:52 [Vendikar] Why do black holes shrink? 20:22 [Remus] What lifeforms can survive on Jovian moons? 25:01 [Janus] Why is the Moon grey? 26:44 [Cait] Why not build a very big spacecraft in orbit? 31:06 [Betazed] Will humans ever fly on solar sails? 33:09 [Cheleb] What does a lunar eclipse look like on the Moon? 35:03 [Nimbus] Will we ever see a Venus rover? 37:56 [Belos] Could Enceladus have life during the Sun's red giant phase? 📺 VIDEO VERSION https://youtu.be/coZQpmMKJ90 📰 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)

Planning trains on the Moon, Chandra is getting shut down, the future of Mars helicopters, and an update on exomoons with Dr. David Kipping. 👉 Interview with Dr. Kipping: https://www.youtube.com/watch?v=umiMtQU3bMU&t=1317s&ab_channel=FraserCain 🦄 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 00:12 Trains on the Moon https://news.northropgrumman.com/news/releases/northrop-grumman-to-develop-concept-for-lunar-railroad 02:29 Chandra in trouble https://www.universetoday.com/166247/nasa-is-planning-to-shut-down-one-of-the-great-observatories-to-save-money/ 05:33 De-icing Euclid https://www.esa.int/ScienceExploration/SpaceScience/Euclid/Operationsbegintode-iceEuclidsvision 07:30 More helicopters on Mars https://www.universetoday.com/166212/the-mars-science-helicopter-could-be-an-airborne-geologist-on-mars/ 09:44 Vote results 10:33 Explanations for SN 1987a https://www.universetoday.com/166188/finally-an-explanation-for-the-string-of-pearls-in-supernova-1987a/ 13:03 One hit, a billion craters https://www.universetoday.com/166223/one-impact-on-mars-produced-more-than-two-billion-secondary-craters/ 14:19 Shape of Dimorphos https://www.jpl.nasa.gov/news/nasa-study-asteroids-orbit-shape-changed-after-dart-impact 16:03 Exomoons update with Dr David Kipping 22:32 Newsletter 23:28 Defunding telescopes 📺 VIDEO VERSION https://youtu.be/y2tY3y5rEm4 📰 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)

How heavy are the biggest stars in the Universe and how do they compare to the Sun? Why would aliens be grabby? Is there more space for science communicators? What's the minimum size for an object to have an atmosphere? Answering all these questions and more in this week's Q&A show. 🦄 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 00:28 [Andoria] How big are the biggest stars? 05:35 [Vulcan] How fast should colonising the Universe happen? 10:27 [Risa] Why would aliens be grabby? 13:51 [Aeturen] The difference between humans and aliens 16:14 [Vendikar] A star approaching us from the Large Magellanic cloud? 20:27 [Remus] Is the scientific discovery process slow? 24:06 [Janus] How do we know what happened before recombination? 28:19 [Cait] Is there more room for science communicators? 33:13 [Betazed] What are my interest outside of space and science? 36:17 [Cheleb] How fast do different galaxies move away from us? 37:38 [Nimbus] How much dark matter is there in our solar system? 38:31 [Belos] How big does an object need to be to hold an atmosphere? 📺 VIDEO VERSION https://youtu.be/i8lzID14HEs 📰 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)

Another Test of SpaceX Starship Superheavy combo, another analysis of the flight with Scott Manley and Marcus House! 📺 Scott Manley: https://www.youtube.com/@scottmanley 📺 Marcus House: https://www.youtube.com/@MarcusHouse 🚀 IFT-2 Analysis: https://youtu.be/ReXZvXPak4U 🚀 IFT-1 Analysis: https://youtu.be/RGcdjJj-f4g 🦄 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 00:44 The plan for IFT-3 02:18 Liftoff and hot staging 04:34 Booster return 10:38 Starship in orbit 17:26 Starship's re-entry 28:22 More interesting stuff 33:25 What's next 36:58 Artemis 3 plans 43:18 Scott and Marcus 45:11 Final thoughts 📺 VIDEO VERSION https://youtu.be/EVic941kQ44 📰 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)

What did NASA learn from setting their Cygnus spaceships on fire? Is fire more dangerous in space than on Earth? Finding out with Dr. David Urban, Branch Chief from NASA Glenn Research Center. 🦄 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 01:41 Fire in space 03:56 Saffire Experiment 11:55 Conclusions 15:50 Firefighting in space 20:16 Future experiments 26:46 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/haOm94GJOwM 📰 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)

What drives NASA's most successful projects like James Webb, Perseverance, Parker Solar Probe, etc? What's going on with international cooperation? How will future missions be planned and executed? Finding out with Dr. Thomas Zurbuchen, former Associate Administrator of NASA Sciecne Mission Directorate. 🦄 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 02:00 JWST 09:25 Parker Solar Probe 15:55 Future missions 25:58 International projects 40:06 New job at Zurich Space 41:45 Current obsessions 54:16 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/An0M5Za0U-M 📰 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)

Starship reaches orbit in a new test, NASA regains contact with Voyager 1 (sort of), are the Milky Way and Andromeda already exchanging stars, and two new incredible images to replace your desktop wallpaper. 📰 EMAIL NEWSLETTER https://universetoday.com/newsletter 👉 Interviews: https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE 🦄 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 00:18 Starship IFT-3 https://www.universetoday.com/166137/starship-orbit-spacex-third-test-breaks-up/ 06:38 Voyager-1 not dead yet https://blogs.nasa.gov/sunspot/2024/03/13/nasa-engineers-make-progress-toward-understanding-voyager-1-issue/ 08:03 Did Milkdromeda already start forming? https://www.universetoday.com/166116/are-andromeda-and-the-milky-way-already-exchanging-stars/ 10:30 White Dwarfs https://www.universetoday.com/166082/white-dwarfs-might-be-less-dead-than-we-thought/ 13:15 Vote results https://youtu.be/RozsR3TWvH8 13:58 Painting telescopes black https://www.universetoday.com/166119/ultrablack-coating-could-be-ideal-for-telescopes/ 16:50 Amazing images https://www.universetoday.com/166129/webb-sees-a-star-forming-region-blowing-vast-bubbles/ https://www.universetoday.com/166152/this-is-a-1-3-gigapixel-image-of-a-supernova-remnant/ 19:36 Cyborg jellyfish https://www.universetoday.com/166096/cyborg-jellyfish-could-help-explore-oceans-autonomously/ 21:26 Even more space news 22:24 Distances and time 📺 VIDEO VERSION https://youtu.be/767SgId7MW4 📰 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)

How cold does it get in the shadows on the Moon? What's going on with dark matter research? Can we chase Oumuamua with a solar sail spacecraft? Will we ever face a war for the Moon? Answering all these questions and more in this week's Q&A. 🦄 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 00:29 [Andoria] How cold do shadows on the Moon get? 05:34 [Vulcan] Why are dark matter halos spherical? 08:48 [Risa] Are we alone in the Universe? 12:26 [Aeturen] Will there be a war for the Moon? 15:40 [Vendikar] Current obsessions 19:58 [Remus] What's going on with dark matter? 23:52 [Janus] Can we catch Oumuamua with a solar sail? 29:07 [Cait] What are the Hawking radiation particles? 29:52 [Betazed] What caused the Big Bang? 29:57 [Cheleb] How to transfer energy from space down to Earth? 33:49 [Nimbus] Will dark energy eventually decline? 36:44 [Belos] Is the risk of solar flares overblown or unappreciated? 📺 VIDEO VERSION https://youtu.be/f3JrIf3Lu_U 📰 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)

White dwarf stars should be cooling down practically till the end of the Universe. But yet, they don't. They stop cooling at some point. Why does this happen? Figuring out the answers with Dr Simon Blouin from the University of Victoria. 📜 Buoyant crystals halt the cooling of white dwarf stars https://www.nature.com/articles/s41586-024-07102-y 🦄 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 01:16 What are White Dwarfs 08:59 Why white dwarfs stop cooling 23:03 Pollution of white dwarfs 29:29 Perfect white dwarf telescope 35:59 Current obsessions 38:25 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/nkXR7bpmy7Q 📰 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)

How do we plan a mission that can go to Enceladus and grab a sample of its plumes? How fast does it need to go? Will it bring samples to Earth or analyse them on the spacecraft? Figuring out the answers with Professor Mark Burchell from the University of Kent. 📜 Hypervelocity impact induced light flash experiments on single and dual layer Kapton targets to develop a time of flight space dust and debris detector https://kar.kent.ac.uk/104841/ 👉 We Must Go Back To Enceladus! Here's Why https://youtu.be/Q3W-0LecU5k 🦄 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 02:07 Firing tardigrades from a gun 05:32 Enceladus 13:14 How fast can we go 21:07 Optimal mission to Enceladus 32:35 Exploring Io 41:43 Sampling interstellar objects 47:55 Dust in interstellar space 51:19 Current obsessions 01:01:04 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/xB1Tr3MWKKw 📰 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)

Understanding the surface of Betelgeuse, James Webb’s third observing cycle has been announced, Starship’s upcoming third test, and the most massive pair of black holes ever seen. 👉 Interviews: https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE 🦄 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 00:14 Betelgeuse is boiling https://www.universetoday.com/166044/betelgeuses-surface-is-boiling-furiously/ 02:55 JWST Cycle 3 https://www.stsci.edu/contents/news/jwst/2024/stsci-announces-the-jwst-cycle-3-general-observer-program 04:43 Where Hubble and JWST are looking https://spacetelescopelive.org/ 05:57 Starship OFT-3 Launch Date https://www.spacex.com/launches/mission/?missionId=starship-flight-3 07:37 Asteroids falling on white dwarves https://www.universetoday.com/165997/astronomers-can-see-the-impact-site-where-an-asteroid-crashed-into-a-white-dwarf/ 09:03 Vote results 09:51 ISS Surgery Robot 11:27 Oxygen on Europa https://www.universetoday.com/166005/juno-measures-how-much-oxygen-is-being-produced-by-europa/ 13:27 LIFE telescope https://www.universetoday.com/166002/the-life-telescope-passed-its-first-test-it-detected-biosignatures-on-earth/ 16:02 Biggest black hole pair ever found https://www.universetoday.com/166002/the-life-telescope-passed-its-first-test-it-detected-biosignatures-on-earth/ 17:44 Carbon emissions reach 420 https://www.earthobservatory.nasa.gov/images/152519/emissions-from-fossil-fuels-continue-to-rise 18:44 Newsletter 19:55 JWST time allocation 📺 VIDEO VERSION https://youtu.be/RozsR3TWvH8 📰 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)

Why won't NASA send a copy of Perseverance to the Moon? Can life exist on a planet around a blue giant star? How do satellites stay safe in orbit and don't collide with each other? Answering all these questions and more in this week's Q&A show. 👉 Ad Astra Channel: https://www.youtube.com/@adastraspace 👉 Oxygen Bottleneck paper https://arxiv.org/abs/2308.01160 🦄 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 00:26 [Andoria] Why won't NASA send Mars-style rovers to the Moon? 05:15 [Vulcan] How to get your discovery to the scientific community? 09:56 [Risa] Can life exist near blue giant stars? 13:41 [Aeturen] Can fire be the solution the Fermi paradox? 16:13 [Vendikar] Should you study journalism in a university? 19:26 [Remus] Robin Hanson's grabby aliens 24:21 [Janus] How do satellites stay safe in orbit? 28:39 [Cait] How do supermassive black holes form? 32:56 [Betazed] Will we become a Kardashev Type I civilization? 37:20 [Cheleb] Shape of the Universe 39:43 [Nimbus] Why some planets have no surface? 41:59 [Belos] Should we preserve Earth or find another home? 📺 VIDEO VERSION https://youtu.be/Pu_4G76Jp4s 📰 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)

Self-replicating space robots seems as an obvious way to explore the Universe. How close are we to such a scenario and what do we need to fill outer space with Von Neumann probes? Figuring out with Professor Alex Ellery. 👉 Realistic Scenario of Interstellar Travel https://youtu.be/SkGRVvA23qI 🦄 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 02:07 How sustainable is the Moon 07:44 Self-replicating robots 32:11 How would a mission look like 39:14 Going beyond the Moon 45:19 Realistic future scenario 59:28 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/vo8630SIo 📰 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)

What is cosmic dust? What is it made of and what can it tell us about the Universe? Could cosmic dust be responsible for life starting on Earth? Figuring it all out with Dr Craig Walton from Cambridge University. 👉 Dr Craig Walton: https://craigwaltongeosci.wordpress.com/ 👉 How Did Early Earth Get The Ingredients for Life? https://youtu.be/SkWNmkoCelY 🦄 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 00:00:00 Intro 00:01:43 What is dust 00:08:43 Dust falling on Earth 00:16:05 Dust and the origin of life 00:46:30 Dust on other worlds across the Universe 01:03:29 Current obsessions 01:08:16 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/GeuxmuzZ_xs 📰 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)