Black holes are defined by only three parameters: mass, charge and spin. We know that black holes spin. But how can we measure that? What tools and methods are at our disposal? Answering these questions with Dr Ruth Daly, Professor of Physics at Penn State University. 📃 New Black Hole Spin Values for Sagittarius A* Obtained with the Outflow Method https://arxiv.org/abs/2310.12108 🦄 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 01:11 Black Holes' mass 06:22 Jets from Quasars 09:00 Being near a black hole 10:35 Measuring the Sgr A 18:56 Spinning black holes 26:41 Orientation of Sag A 29:02 Energy of black holes 32:33 Final thoughts 📺 VIDEO VERSION https://youtu.be/9ArfZdNDtzY 📰 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)

Hubble is down right now. JWST sees the first protoplanetary disk in another galaxy. Titan Dragonfly’s delay. The first full image of the Chinese Space Station from orbit. 🚀 Starship IFT-2 Special: https://youtu.be/ReXZvXPak4U 🦄 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 00:17 Artificial contact binary https://www.universetoday.com/164541/contact-binary-asteroids-are-common-but-weve-never-seen-one-form-so-lets-make-one/ 02:12 Hubble is down https://www.universetoday.com/164574/hubble-is-offline-because-of-a-problem-with-one-of-its-gyros/ 04:25 Double protostar https://www.universetoday.com/164514/jwst-reveals-a-newly-forming-double-protostar/ 06:05 Protoplanetary Disks in a Nearby Star Cluster https://www.universetoday.com/164470/jwst-reveals-protoplanetary-disks-in-a-nearby-star-cluster/ 07:17 Protoplanetary disk in another galaxy https://www.universetoday.com/164546/a-protoplanetary-disc-has-been-found-in-another-galaxy/ 08:39 Vote results https://youtu.be/tEdSYwSN7NE 09:32 Second most powerful cosmic ray https://www.universetoday.com/164485/the-second-most-energetic-cosmic-ray-ever-found/ 12:13 Double planets https://www.universetoday.com/164456/where-are-all-the-double-planets/ 13:43 Interviews https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE 14:35 Dragonfly's Delayed https://www.universetoday.com/164532/titan-dragonfly-is-go-for-phase-c/ 15:52 Horizon of Mars https://www.universetoday.com/164517/odyssey-gives-us-a-cool-new-view-of-mars/ 17:08 Tiangong from orbit https://www.universetoday.com/164513/chinas-space-station-seen-from-orbit/ 17:33 Starship reactions 📺 VIDEO VERSION https://youtu.be/KRuBzkHCkJs 📰 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 was it like to fly on the Space Shuttle? What made this vehicle so important for the history of spaceflight? What stories can it tell? Answering all these questions with NASA Space Shuttle Astronaut, Tom Jones. 📖 Space Shuttle Stories: https://astronauttomjones.com/product/space-shuttle-stories/ 🦄 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 00:43 Why Space Shuttle was so great 04:47 Precursors of full reusability 10:05 RS-25 Engines 14:21 The book 20:28 Overview effect 33:38 Constructing the ISS 35:35 Servicing the Hubble 38:25 New era of spaceflight 50:31 Final thoughts 📺 VIDEO VERSION https://youtu.be/mH2AF2ZpQsQ 📰 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 bad can a solar flare really be for the Earth? What would evolution in an isolated star system look like? What damage can a rogue planet flying through the Solar System cause? When will we have Lagrange point interferometers? What's the speed limit for gravitational assists? 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 00:53 [Andoria] What damage would a rogue planet cause for the Solar System? 05:37 [Vulcan] How bad would evolving in an isolated star system be? 09:12 [Risa] How bad can solar flares really be? 13:56 [Aeturen] Lagrange point interferometers. Wen? 17:00 [Vendikar] Do stars go up and down the galactic plane? 19:47 [Remus] How can amateur astronomers contribute to science? 23:58 [Janus] Speed limit from gravity assists? 27:18 [Cait] Can we solve interstellar communication? 31:36 [Betazed] Top 5 science YouTube channels? 34:00 [Cheleb] What's my favourite aspect of cosmology? 35:46 [Nimbus] How bad is air pollution from launches? 📺 VIDEO VERSION https://youtu.be/Z8Cn0piSKEU 📰 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)

It happened! Starship and SuperHeavy Did Launch for the second time. All 33 raptors were working. Hot staging went as planned. But then both the Booster 9 and Ship 25 were lost. What exactly went wrong and what does it mean for the future of Starship? Finding out with Scott Manley and Marcus House. 📺 Scott Manley: https://www.youtube.com/@scottmanley 📺 Marcus House: https://www.youtube.com/@MarcusHouse 🦄 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 00:01:02 Before IFT-2 00:08:35 The Launch 00:14:19 Hot Staging 00:16:20 What went wrong with SuperHeavy 00:25:00 What went wrong with Starship 00:32:00 What's next? 00:45:58 What it means for Artemis 01:03:00 Final thoughts 📺 VIDEO VERSION https://youtu.be/ReXZvXPak4U 📰 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)

SpaceX Starship launches again. Webb finds methane in the atmosphere of an exoplanet and reveals a star forming region near the center of the Milky Way. The overwhelming logistics of dealing with an asteroid threat. 🦄 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 Starship Second Flight https://www.universetoday.com/164331/spacex-tested-its-starship-again-successful-launch-but-both-vehicles-were-destroyed/ 04:36 JWST finds methane on an exoplanet https://www.universetoday.com/164405/wow-jwst-just-found-methane-in-an-exoplanet-atmosphere/ 06:27 JWST looks into Milky Way's center https://www.universetoday.com/164355/webbs-infrared-eye-reveals-the-heart-of-the-milky-way/ 08:11 Secret Chinese payload https://www.universetoday.com/164379/a-chinese-booster-and-additional-secret-payload-caused-a-double-crater-on-the-moon/ 10:02 Vote results https://youtu.be/tqsRBKgpJsI 11:00 More plutonium for NASA https://www.universetoday.com/164407/nasa-is-getting-the-plutonium-it-needs-for-future-missions/ 13:29 Missing Spiral Galaxies https://durham.ac.uk/news-events/latest-news/2023/11/supergalactic-planes-missing-spiral-galaxies/ 15:01 Q&A Show https://www.youtube.com/playlist?list=PLbJ42wpShvmm6bfexWT6vSK9Jc4zgep 16:50 Zone of Avoidance https://www.universetoday.com/164328/the-universe-cant-hide-behind-the-zone-of-avoidance-any-longer/ 18:21 Real Danger of an Asteroid Threat https://www.universetoday.com/164378/if-youre-trying-to-prevent-an-asteroid-impact-the-technical-and-political-challenges-are-staggering/ 📺 VIDEO VERSION https://youtu.be/tEdSYwSN7NE 📰 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)

Did James Webb already reach its full potential or is there more to come from it? How does TESS compare to Kepler? Can we use Starlinks as a giant space-based interferometer? Can we rip a black hole apart to see what's inside? 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 00:54 [Andoria] Were primordial gravitational waves stretched? 07:15 [Vulcan] Are black holes the same with very early Universe? 09:28 [Risa] TESS vs Kepler 12:18 [Aeturen] Can starlinks be used as an interferometer? 15:23 [Vendikar] Can meteors from Venus be on Moon or Mars? 17:40 [Remus] Bogus discoveries 21:38 [Janus] Will a Dyson sphere be unstable? 25:51 [Cait] Have we found aliens yet? 25:57 [Betazed] Did JWST show its full potential? 28:46 [Cheleb] Can we rip a black hole to see what's inside? 30:39 [Nimbus] Can we mine a neutron star? 32:35 [Belos] Rogue exoplanets found in the Orion nebula 35:12 [Lyar] Do I get bored of my job? 38:13 [Zalcon] Triton 40:29 [Arret] Biggest missed opportunity in space? 📺 VIDEO VERSION https://youtu.be/Tx3kl2sycHE 📰 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)

China is planning a Mars Sample Return Mission. James Webb tracks water moving towards planets. The Hubble Tension has gotten even more tense. 🦄 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 China's Mars Sample Return Mission https://www.universetoday.com/164186/china-wants-to-retrieve-a-sample-of-mars-by-2028/ 02:36 Active Oort Cloud https://www.universetoday.com/164213/the-oort-cloud-might-be-more-active-than-we-thought/ 04:40 Amateur supernova discovery https://www.universetoday.com/164136/an-amateur-astronomer-discovered-one-of-a-kind-supernova-remnant/ 06:54 Vote results 07:29 JWST sees water transfer https://www.universetoday.com/164249/jwst-shows-ice-covered-pebbles-delivering-water-to-new-planets/ 09:13 Lunar swirls https://www.universetoday.com/164277/the-lunar-swirl-mystery-deepens/ 10:42 Regolith landing problem https://www.nasa.gov/general/rocket-exhaust-on-the-moon-nasa-supercomputers-reveal-surface-effects/ 11:55 Support us on Patreon 12:48 Hubble Tensions gets worse https://www.universetoday.com/164198/if-you-account-for-the-laniakea-supercluster-the-hubble-tension-might-be-even-larger/ 14:24 Starship Launch https://www.universetoday.com/164220/starship-could-be-ready-to-launch-on-friday/ 15:03 More on interstellar objects 📺 VIDEO VERSION https://youtu.be/tqsRBKgpJsI 📰 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 large surveys of our galactic neighbourhood can help us better understand dark energy? What more can we learn from them? What instruments and techniques are used for this? Answering all these question and more with Dr John Moustakas. More interviews: 👉 Understanding Dark Energy https://youtu.be/2Y6KK94GaXc?si=twg4yVmpxDSBJFgA 👉 Time-Domain Astronomy Dr James Davenport https://www.youtube.com/watch?v=ZCWrrL4fP5c&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 01:14 Understanding our extra-galactic environment 05:58 Siena Galaxy Atlas 10:38 New Era in Astronomy 16:10 Dark Energy Spectroscopic Instrument 31:06 How can we solve Dark Energy 51:01 Obsessions 55:31 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/3h6dwiPN0Fc 📰 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 dark energy be just empty space and nothing else? Is there a new space race going on? Why is NASA so slow with its Moon plans? Is there an upper limit for a star? 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 01:07 [Andoria] Is dark energy just empty space? 06:29 [Vulcan] Canadian accent 08:48 [Risa] What if a nebula collapsed back on its central neutron star? 12:11 [Aeturen] Why not use a satellite on a cycler orbit for high-bandwidth data transfer? 16:25 [Vendikar] Is a new space race on? 21:20 [Remus] How can NASA be so slow? 23:57 [Janus] Can space voids actually be Dyson spheres? 26:25 [Cait] What's the upper limit of star mass? 28:42 [Betazed] How can we protect against solar flares? 32:14 [Cheleb] Controversial topics among science discoveries 36:46 [Nimbus] What is the latest news about life on Europa? 📺 VIDEO VERSION https://youtu.be/D6y0xNGmDUc 📰 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)

The so-called Crisis in Cosmology didn't go anywhere. Different methods are giving different values for the Hubble Constant creating one of the most interesting mysteries in Astronomy. What possible solutions do we have? Discussing them with Dr Sunny Vagnozzi. 📄 Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension Sunny Vagnozzi https://arxiv.org/abs/2308.16628 More interviews: 👉 A Big Problem with Modern Science Communication https://youtu.be/zGV6mZuULj8 👉 Understanding Dark Energy With Most Detailed Supernovae Survey https://www.youtube.com/watch?v=2Y6KK94GaXc&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 02:00 What is the Hubble Tension 06:56 Implications of Early Dark Energy 10:45 Consistency of Lambda-CDM 17:37 Early ISW effect 28:17 Relative ages of old galaxies 33:22 Descending trends 35:46 How will we know it's right or wrong 43:10 What might be the answer 48:03 Current obsessions 51:14 More thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/XRKX9ElmOQk 📰 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)

Lucy made an incredible discovery. One of the strangest exoplanetary systems ever seen. Understanding the Universe with slime mold. And the most powerful ion engine passes the test. 🦄 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 00:15 Dinkinesh's contact binary moon https://www.universetoday.com/164152/what-wow-that-new-asteroid-image-from-lucy-just-got-even-more-interesting/ 01:36 Polar Circumbinary Planet Disk https://www.universetoday.com/164077/this-is-a-first-an-exoplanet-in-a-polar-circumbinary-disc-surrounding-two-stars/ 03:37 JWST sees CO2 on a centaur https://www.universetoday.com/164066/jwst-detects-carbon-dioxide-in-a-centaur-for-the-first-time/ 05:28 Slime mold and the Universe https://www.universetoday.com/164120/what-can-slime-mold-teach-us-about-the-universe/ 07:23 Vote results https://youtu.be/xubOa8xR2lw 07:54 Can Gaia detect gravitational waves http://arxiv.org/abs/2311.03474 09:37 Most powerful ion engine test https://www.universetoday.com/164072/the-most-powerful-ion-engine-ever-built-passes-the-test/ 11:30 Newsletter https://www.universetoday.com/newsletter 12:13 Euclid's first images https://www.esa.int/ScienceExploration/SpaceScience/Euclid/Euclidsfirstimagesthedazzlingedgeofdarkness 13:46 Water Map 15:00 Apple Podcasts reviews 17:22 More on asteroids and space exploration 📺 VIDEO VERSION https://youtu.be/c6z1octUAak 📰 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)

You asked for it, so it's here. A big interview about a proposed mission called LIFE that could help us revolutionise planet hunting. My guest is Dr Daniel Angerhausen from EHT Zurich. More interviews: 👉 Weird Gap in Exoplanet Sizes https://youtu.be/MuH2BlHdAyw 👉 JWST as a Planet Hunter https://youtu.be/6b377MO20uE 🦄 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 01:26 Search for habitable planets 06:19 The LIFE mission 07:45 Nulling 19:44 Biggest challenges 21:16 What can we expect 32:46 Technosignatures and Biosignatures 38:21 Current status of LIFE 43:55 Obsessions 46:36 More thoughts and more interviews to watch 📺 VIDEO VERSION https://youtu.be/BtSn_PTQtds 📰 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 know that Psyche is a metal asteroid? Did primordial gravitational waves stretch when inflation happened? When do we finally get more Trappist-1 data from JWST? Can a dead star possibly reignite? 🦄 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 00:53 [Andoria] Why is the Ice Cube Observatory at the South Pole? 05:49 [Vulcan] Can a dead star reignite? 09:51 [Risa] What about asteroid mining? 15:18 [Aeturen] How do we know Psyche is a metal asteroid? 17:40 [Vendikar] Are there different types of black holes? 21:13 [Remus] How to monitor auroras? 24:30 [Janus] How fast do gravitational waves go? 26:23 [Cait] How many black holes are there? 29:40 [Betazed] What if you go too close to a gravitational wave event? 31:45 [Cheleb] Astronomy bucket list? 35:13 [Nimbus] Trappist-1d and 1e from JWST. Wen? 37:41 [Belos] From how far away can you detect life on Earth? 📺 VIDEO VERSION https://youtu.be/aUyevaUmAbo 📰 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)

A new system found with 7 Earth and Super-Earth Sized planet, the remains of another planet inside the Earth, and it’s time to replace your wallpaper again with this new image of the Crab Nebula from JWST. 🦄 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 Sun-like star system with 7 planets https://www.nasa.gov/general/scorching-seven-planet-system-revealed-by-new-kepler-exoplanet-list/ 02:54 Ancient planet inside Earth https://www.caltech.edu/about/news/the-remains-of-an-ancient-planet-lie-deep-within-earth 04:11 Cannibal Betelgeuse https://www.universetoday.com/163998/did-betelgeuse-consume-a-smaller-star/ 06:16 Crab nebula by JWST https://www.universetoday.com/163977/the-crab-reveals-its-secrets-to-jwst/ 07:54 Vote results https://youtu.be/nQXPuYTMAoM 08:26 SagA spinning as fast as possible https://www.universetoday.com/163924/the-milky-ways-black-hole-is-spinning-as-fast-as-it-can/ 10:17 Rogue planet factories https://www.universetoday.com/163940/misaligned-binary-star-systems-are-rogue-planet-factories/ 12:19 Support us on Patreon 13:02 Lucy flyby https://www.nasa.gov/image-article/nasas-lucy-spacecraft-discovers-2nd-asteroid-during-dinkinesh-flyby/ 13:46 Map of ice on Mars https://www.universetoday.com/163937/a-new-map-shows-where-mars-is-hiding-all-its-ice/ 15:01 Collapsed lava chamber https://www.universetoday.com/164015/a-collapsed-martian-lava-chamber-seen-from-space/ 16:08 Lava tubes for Mars exploration 📺 VIDEO VERSION https://youtu.be/xubOa8xR2lw 📰 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)

Plate tectonics might be the key to why Venus had become the hell it is right now. Some think that it just never had it. But recent studies suggest that Venus did have plate tectonics at the same time Earth did. Why is it important? Figuring it out with Dr Matt Weller. 🦄 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 01:23 How bad Venus really is 04:44 Plate tectonics 17:05 Will Earth follow Venus' fate 18:40 When was Venus habitable 20:54 How can we learn more 28:00 Finding similar things in exoplanets 32:35 Current obsessions 📺 VIDEO VERSION https://youtu.be/R18W6VVZMhc 📰 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)

Could another Big Bang happen in our existing Universe? Is dark matter theory falsifiable? Should we allow AI to control spacecraft? How many things can you put in a Lagrange point? 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 01:50 [Andoria] Should we put satellites on a supersynchronous orbit? 06:23 [Vulcan] Should we use AI to pilot spacecraft? 08:02 [Risa] Could another Big Bang happen in our Universe? 11:11 [Aeturen] Where did the Weekly Space Hangout go? 15:00 [Vendikar] Is dark matter falsifiable? 22:47 [Remus] What's going on with phosphine on Venus? 25:50 [Janus] Can you fit multiple spacecraft in a Lagrange point? 28:16 [Cait] Can a supernova destroy its star companions? 32:31 [Betazed] Where's the future the futurists of the sixties promised us? 34:57 [Cheleb] Is the L3 point good for anything? 📺 VIDEO VERSION https://youtu.be/9cu3O0TNihU 📰 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)

We got two images of supermassive black hole with the Event Horizon Telescope. But can we make it better? How can we take the telescope to the next level and resolve a photon ring of a black hole? Finding out with Ben Hudson, System Engineer from KISPE Space. 🦄 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 01:50 What is a photon ring 04:56 Structure around black holes 08:36 How can we resolve the photon ring 12:51 Making the Event Horizon Telescope bigger 44:28 What can we learn from the photon ring 53:10 Final thoughts and more interviews More interviews: 👉 Far infrared interferometer: https://youtu.be/3N03G9WbYqo 👉 Giant space interferometers https://www.youtube.com/live/RSPpakbgUS0?si=zi9XTHXS-7ur0q9v 📺 VIDEO VERSION https://youtu.be/O6hX70YvPms 📰 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)

Three stars mysteriously vanished. So much JWST new. Hundreds of volcanoes on Io. Starship is ready to fly again. 🦄 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 01:53 Three Stars Vanished https://www.universetoday.com/163820/in-1952-a-group-of-three-stars-vanished-astronomers-still-cant-find-them/ 04:34 Fomalhaut's companions http://arxiv.org/abs/2310.15028 06:28 Jupiter's new weather feature https://www.universetoday.com/163817/a-new-weather-feature-was-hiding-in-jwsts-picture-of-jupiter/ 07:59 Detailed look at Ganymede http://arxiv.org/abs/2310.13982 10:34 Planet debris found in a stellar disk https://www.universetoday.com/163832/jwst-looks-at-the-debris-disc-around-a-white-dwarf/ 12:35 Vote https://youtu.be/whE6wd-cXEc 13:12 Global magma ocean on Io https://www.universetoday.com/163811/io-has-266-active-volcanic-hotspots-linked-by-a-global-magma-ocean/ 14:43 Lagest simulation of the Universe https://ras.ac.uk/news-and-press/news/astronomers-carry-out-largest-ever-cosmological-computer-simulation 16:26 Interviews https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE 17:37 JWST and the galaxy core https://www.universetoday.com/163810/astronomers-want-jwst-to-study-the-milky-way-core-for-hundreds-of-hours/ 19:04 Starship WDR https://twitter.com/SpaceX/status/1716979479845953646?t=n1pJe6mEeu7yW_Z-hxeVQA&s=19 20:01 Jupiter's Halloween face https://www.nasa.gov/image-article/just-in-time-for-halloween-nasas-juno-mission-spots-eerie-face-on-jupiter/ 21:07 More on Io 📺 VIDEO VERSION https://youtu.be/nQXPuYTMAoM 📰 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)

Are we alone in the Universe? How can we approach this question with a real scientific perspective? What would life even look like if it existed somewhere? Answering all these questions and more with Dr Adam Frank. 📕 Adam Frank's book 'Little Book of Aliens' https://www.harpercollins.com/products/the-little-book-of-aliens-adam-frank 🦄 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 01:15 When did we start thinking of aliens 03:47 Misunderstanding of the Fermi Paradox 10:44 End state of alien civilisation 28:33 Are aliens here 32:14 How to properly explore UFOs 36:02 Accepting that we might be alone 39:42 Best way to search for technosignatures 47:54 Current obsessions 📺 VIDEO VERSION https://youtu.be/6OKTkm7wCuI 📰 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)