Universe Today Podcast

How can one fight light pollution? What will happen to space exploration in our modern political climate? Why doesn't Venus lose its atmosphere without a magnetosphere? Answering all these questions and more in this Q&A show. 🦄 Get the additional Overtime audio episodes: https://www.patreon.com/posts/overtime-audio-q-117715009 00:00 Start 00:23 How can Venus hang on to its atmosphere without a magnetic field? 02:17 What will happen to space exploration? 08:45 Would we see a Sgr A quasar from Earth if it became one? 11:54 How to fight light pollution? 15:36 What's going on with the "Crisis in Cosmology"? 📺 VIDEO VERSION https://youtu.be/3LaXmvY5BBE 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)

How don't comets lose all their mass really quickly? Where are all the photos of the Milky Way from the ISS? Can you reach out from orbit and poke a black hole with a stick? Answering all these questions and more in this Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 00:00 Start 00:24 Comets and their tails 04:06 Where are the pictures of the Milky Way from the ISS? 08:36 Will the Sun's expansion bring the Moon closer to Earth? 11:27 Can you poke a black hole with a stick? 13:35 When did 'our' part of the Universe form? 📺 VIDEO VERSION https://youtu.be/Jv07d5T9sQ8 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)

Black Widow pulsars consume their partners. But if there were advanced alien species, it could be a perfect way to produce energy and move the stars around. They could also use pulsars as a global galactic navigation system. How exactly could they achieve it? Finding out in this interview. 🦄 Get the extra part for free here: patreon.com/universetoday 🟣 Guest: Dr. Clément Vidal https://www.clemvidal.com/ 📜 The Spider Stellar Engine: a Fully Steerable Extraterrestrial Design? https://arxiv.org/abs/2411.05038 📜 Pulsar Positioning System: A quest for evidence of extraterrestrial engineering https://arxiv.org/abs/1704.03316 00:00 Intro 01:33 Stellarvore 07:48 Moving stars around 17:57 Technosignatures 25:17 Pulsar galactic navigation system 29:44 Messaging system 39:43 Noosphere 43:48 Bonus part 44:08 Current obsessions 46:43 Final thoughts 📺 VIDEO VERSION https://youtu.be/Bebhbe0DOrU 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)

Trump announces his choice for the new NASA administrator, we’ve got a new date for Artemis III, Venus might have never had liquid oceans, and finding habitable planets around white dwarf stars. 🦄 Support us on Patreon: https://patreon.com/universetoday 🎁 Gift Universe Today Patreon membership: https://www.patreon.com/universetoday/gift 00:00 Intro 00:15 NASA's New Administrator 02:08 Delays for Artemis 2 and 3 05:09 More evidence for gravitational waves background 07:35 Venus' past 09:38 Potential habitable planets around white dwarfs 12:26 Vote results 12:51 Vera Rubin and interstellar visitors 14:18 Moon rescue mission 15:55 Galaxy cluster coming together 17:45 Jupiter at opposition 18:57 Gift for space enthusiasts 📺 VIDEO VERSION https://youtu.be/9CN1Ymyrhyo 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)