Universe Today Podcast

If an extra-terrestrial civilisation saw the Earth, what technosignatures could they pick up? What could they learn about life on our planet and human civilisation in particular? I'm discussing that with Dr Michael Garrett who is the Director of Jodrell Bank Centre for Astrophysics.🦄 Support us on Patreon: https://patreon.com/universetoday👉 Simulation of the Earth’s radio-leakage from mobile towers as seen from selected nearby stellar systems:https://academic.oup.com/mnras/article/522/2/2393/702880400:00 Intro02:11 Biosignatures in modern Astronomy 06:46 Technosignatures VS biosignatures13:07 Loudest technosignatures of Earth18:27 Earth from the perspective of aliens32:31 Satellite constellations38:00 Going into wires42:49 Leaked transmissions46:09 Becoming an alien hunter📺 VIDEO VERSIONhttps://youtu.be/rkZM9yHY8z0📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

NASA tests out a snake bot that could explore difficult terrain. An independent way to measure the expansion rate of the Universe. JUICE successfully deploys its radar antenna.🦄 Support us on Patreon: https://patreon.com/universetoday📚 Suggest books in the book club:https://www.goodreads.com/group/show/1198440-universe-today-book-club00:00 Intro00:14 Happy End for JUICEhttps://www.universetoday.com/161383/hurray-juice-deploys-its-stuck-antenna/02:09 A Warning Before A Solar Storm Disasterhttps://www.universetoday.com/161355/nasa-thinks-they-can-give-us-30-minutes-of-warning-before-a-killer-solar-storm-hits-earth/04:42 Limit-Breaking Ultra-Luminous Bursts https://www.universetoday.com/161364/confirmed-ultra-luminous-x-ray-sources-are-really-that-bright/06:44 NASA's Snake Robot Explorerhttps://www.universetoday.com/161387/nasa-tests-a-robotic-snake-that-could-explore-other-worlds/09:12 Raptor V310:58 Support us on Patreon11:53 Epic Photos from Marshttps://www.universetoday.com/161353/new-photos-show-collapsed-chains-of-craters-on-a-martian-volcano/13:35 New Way to Measure the Expansion of the Universe https://www.universetoday.com/161419/astronomers-have-a-new-way-to-measure-the-expansion-of-the-universe/16:06 Is Building Things In Space The Futurehttps://www.universetoday.com/161375/nasa-is-getting-serious-about-building-and-assembling-future-missions-in-space/18:37 Outro📺 VIDEO VERSIONhttps://youtu.be/kGDXuP4bvqQ📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

In the second part of my conversation with Dr Christopher Morrison we discuss his second NIAC award. It suggests creating a power source that can also be a science instrument. 🦄 Support us on Patreon: https://patreon.com/universetoday👉 Interstellar Sample Return with Dr Chris Morrison:https://www.youtube.com/watch?v=HsON8yF5Rjo👉 Part I with Dr Chris Morrison:https://youtu.be/FIZHGDyN-7E👉 More about the NIAC grant: https://www.nasa.gov/directorates/spacetech/niac/2023/EmberCore_Flashlight/00:00 Intro00:36 What is the EmberCore Flashlight12:39 Perspectives for deep space missions17:33 Who will buy such Flashlights📺 VIDEO VERSIONhttps://youtu.be/jfyRp3GjUXc📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

How can we get artificial gravity in space without rotating a spacecraft? Will there be bigger Mars helicopters in future? How exactly will they deorbit the ISS? Who will be selecting the crew for the Mars mission? Where are the Voyagers today and how can we find them? Answering all that and more in this week's Q&A episode.🦄 Support us on Patreon: https://patreon.com/universetoday📕 Book club:https://www.goodreads.com/group/show/1198440-universe-today-book-club00:00 Start00:49 Book Club: Accelerando by Charles Stross03:15 [Tatooine] Which way to look to see the Voyagers today?05:47 [Coruscant] How to turn Moon craters into telescopes?08:25 [Hoth] Can we pull of artificial gravity on space stations?12:44 [Naboo] Do we need to stop for the gravitational lens focal point?15:11 [Kamino] Will there be bigger Mars helicopters?19:13 [Bespin] Are smart telescopes worth it? 23:03 [Mustafar] How will they deorbit the ISS?25:18 [Alderaan] Are there non-rotational artificial gravity options?27:34 [Dagobah] Why do we need a sample return from Mars? Why not study everything there?30:42 [Yavin] How will the crew selection go for Mars missions?📺 VIDEO VERSIONhttps://youtu.be/M7xy6LYyH6k📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Moon Dust will be a major problem once people will return and settle there. We need to find ways to clean it from space suits, equipment, etc. In this interview I'm talking with Ian Wells, who is a cryogenics researcher suggesting a way to battle Moon dust with liquid nitrogen. 🦄 Support us on Patreon: https://patreon.com/universetoday👉 Interview with Dr Christine Hartzell:https://youtu.be/LfigUsu7V2Q00:00 Intro01:13 How bad is lunar dust09:34 Liquid nitrogen spray13:31 How can it be used19:09 Mars dust24:55 Risks for humans📺 VIDEO VERSIONhttps://youtu.be/tWartKovuxw📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

There could be liquid oceans in the moons of Uranus. Saturn takes the lead for the most moons in the Solar System. James Webb gazes into the Eye of Sauron aka Fomalhaut.🦄 Support us on Patreon: https://patreon.com/universetoday👉 Interviews:https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE⚫️ Universe-Breaking Galaxies Interview:https://youtu.be/xPK9kF2tqfk00:00 Intro00:14 Uranus' moons might have oceans under the icehttps://www.nasa.gov/feature/jpl/new-study-of-uranus-large-moons-shows-4-may-hold-water/02:21 Even more moons for Saturnhttps://phas.ubc.ca/saturn-re-takes-moon-crown03:34 Webb stares into the Eye of Sauronhttps://www.universetoday.com/161280/webb-examined-an-asteroid-belt-and-found-more-than-it-bargained-for/06:07 JWST Fails to disprove the Big Banghttps://www.universetoday.com/161265/jwst-fails-to-disprove-the-big-bang/08:49 Space Station with artificial gravityhttps://www.vastspace.com/updates/vast-announces-the-haven-1-and-vast-1-human-spaceflight-mission-launched-by-spacex-on-a-dragon-spacecraft11:40 Water-powered engine raises its orbit13:14 Interviews14:55 China's secret space planehttps://spacenews.com/chinas-mystery-reusable-spaceplane-lands-after-276-days-in-orbit/16:24 Beautiful space videoshttps://www.universetoday.com/161236/watch-a-spacex-fairings-fiery-re-entry-through-the-atmosphere/17:49 Outro📺 VIDEO VERSIONhttps://youtu.be/NMmi78YsiQ8📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

This is the first part of my interview with Dr Cristopher Morrison. In this one, we're discussing the concept of a propulsion system that should allow things like catching up with an interstellar visitor or delivering a telescope to the outer part of the Solar System.🦄 Support us on Patreon: https://patreon.com/universetodayPrevious Interview with Dr Chris Morrison:https://www.youtube.com/watch?v=HsON8yF5Rjo👉 More about the NIAC grant: https://www.nasa.gov/directorates/spacetech/niac/2023/RadioisotopeElectric_Propulsion_System/00:00 Intro01:16 Intersecting interstellar objects09:39 Which technical challenges are solved17:20 Spacecraft design20:05 Finding captured interstellar objects28:05 One more thing35:00 What's next📺 VIDEO VERSIONhttps://youtu.be/FIZHGDyN-7E📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Gravitational waves can reveal things we would never detect otherwise. But different events require different sizes of detectors. In this interview, I'm talking with Waldemar Martens from ESA about a proposed LISAmax mission that will have 259 million kilometer arms and should be able to detect collisions of supermassive black holes.🦄 Support us on Patreon: https://patreon.com/universetodayMore about LISAmax: https://arxiv.org/abs/2304.0828700:00 Intro01:38 What's the status of LISA10:18 What could LISA detect20:45 What would LISAmax be34:57 What could LISAmax discover40:10 LISA VS LISAmax48:25 What's next for LISAmax📺 VIDEO VERSIONhttps://youtu.be/2OykvNV8zuw📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

How can James Webb disprove The Big Bang Theory? Where are we at the search of life as we DON'T know it? Can we somehow test if Hawking radiation even exists? What do Space Force use the X37 secret space shuttle for? 🦄 Support us on Patreon: https://patreon.com/universetoday00:00 Start00:49 [Tatooine] How can Webb disprove The Big Bang Theory?06:21 [Coruscant] Does Hawking radiation even exist?12:10 [Hoth] Where are we at the search of life as we DON'T know it?17:56 [Naboo] How do we study the wobble of stars?20:24 [Kamino] How to protect humans from radiation in space?25:46 [Bespin] Why don't they send telescopes to L4 and L5 Lagrange points?30:33 [Mustafar] What do we know about secret space shuttle missions?33:09 [Alderaan] Most exciting thing about the JUICE mission?📺 VIDEO VERSIONhttps://youtu.be/B_64LBRDyss📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Microgravity is dangerous for humans. But if we want to conquer space, we need to know how to mitigate the negative effects. Join my discussion with Dr Danail Obreschkow from UWA. We talked about studying the effects of microgravity on human body, particularly eyes, and potential ways to deal with them. 🦄 Support us on Patreon: https://patreon.com/universetoday00:00 Intro01:35 Flying on parabolic flights 08:49 What does weightlessness do to human body14:17 Things we can't fix 17:44 Studying eyesight in space25:01 Will artificial gravity solve it?📺 VIDEO VERSIONhttps://youtu.be/mSz_F82LPGI📰 EMAIL NEWSLETTERRead by 60,000 people every Friday. Written by Fraser. No ads.Subscribe. It's FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/🤳 OTHER SOCIAL MEDIATwitter: https://twitter.com/fcainTwitter: https://twitter.com/universetodayFacebook: https://facebook.com/universetodayInstagram: https://instagram.com/universetoday📩 CONTACT FRASERfrasercain@gmail.com⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast