Is Betelgeuse a binary star? Starliner is coming home empty. New Glenn is on schedule to launch NASA’s next mission to Mars. NASA’s solar sail unfurls. 🦄 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 could be a binary star 02:08 No crew for Starliner 04:04 New Glenn launch date 06:07 Europa Clipper gets solar panels 09:06 NASA Solar sail deployed 11:12 Vote results 11:48 China's Moon plans 15:00 Cool images 17:29 More space news 18:05 Livestreams return 📺 VIDEO VERSION https://youtu.be/Lblcc3jtEW4 📰 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 does the Sun have an 11-year cycle? Would I rather have a Venus mission or a Jovian moon mission? Do black holes attract other black holes? Can Chinese astronomers use Hubble/Webb? Answering all these questions and more in this week's Overtime 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 00:46 Why does the Sun have an 11-year cycle? 02:13 Do all stars have a stellar cycle? 02:57 Why no probe to Oumuamua? 03:56 What got me into space in the first place? 08:13 Is that my real name? 08:56 Would I rather have a Venus mission or Jovian moon mission? 09:21 How does China do space science? 13:37 Can Chinese astronomers use Hubble/Webb? 14:25 Do I play video games? 18:30 What color are neutron stars? 19:10 Could Starship lower flight times? 19:55 Do black holes attract other black holes? 21:23 Have I ever seen a moose? 22:20 Is AI proceeding too quickly? 26:57 Do I use a special space ChatGPT? 📺 VIDEO VERSION https://youtu.be/j248ozTEujs 📰 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)

Future telescopes like Vera Rubin and Nancy Grace Roman will generate a lot of data. This will be a big challenge. To get ready for it astronomers use simulated observation data. Why is it important and how is it done? Finding out in this interview. 🦄 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 01:46 Simulations of the cosmos 13:51 Measuring dark matter 19:11 What to look for in the data 25:52 Simulations VS real data 38:54 Current obsessions 45:50 Final thoughts 📺 VIDEO VERSION https://youtu.be/nn7BbFeVQ4o 📰 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)

Science fiction taught us that Mars cities are inevitable. That we will sooner or later have those cool looking glass domes with spaceports and stuff. But the world is a cruel place and reality is unforgivable. So, how will a realistic Mars habitat of the future will look like? Discussing it with Kelly and Zach Weinersmith. 🦄 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 00:01:10 Space sucks. The Reality of living in space 00:09:35 Why go to space 00:22:28 Minimum size of the population 00:30:30 Fascination with the apocalypse 00:33:51 Simulating Mars missions 00:38:12 Childbirth is space 00:40:24 Technological progress 00:44:32 Economical growth 01:01:38 Current obsessions 01:05:21 More thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/OQ8sZtg-Kdc 📰 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 dark matter is one of the most interesting challenges in modern cosmology. Upcoming new telescopes, such as Nancy Grace Roman, can help us solve this mystery. How exactly will it happen? Finding out with Dr Christian Aganze from Stanford University. 🦄 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 00:48 How Do We See Dark Matter 08:30 Shape of Milky Way's Dark Matter Halo 15:40 What NGR will change 22:01 Possible conclusions 29:16 Current obsessions 33:27 Final thoughts 📺 VIDEO VERSION https://youtu.be/wFguCzi8wLU 📰 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)

SLIM woke up but briefly., Turning a forest into a giant particle detector. Another explanation for that hycean world. And some stunning new pictures from Webb. 🏅 Nobel Prize Winner Explains JWST VS Hubble Tension: https://youtu.be/hmJOz9qCk0M 🦄 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 00:13 SLIM woke up briefly https://www.universetoday.com/165552/japan-moon-lander-sleeps-after-sending-science-will-it-wake-up-again/ 01:44 Turning a forest into a telescope http://arxiv.org/abs/2401.14454 04:43 Another explanation for the hycean world https://www.universetoday.com/165399/another-explanation-for-k2-18b-a-gas-rich-mini-neptune-with-no-habitable-surface/ 07:24 Vera Rubin vs Space Junk https://www.universetoday.com/165511/space-junk-is-going-to-be-a-problem-for-vera-rubin/ 09:56 Vote results 10:36 Spiral Galaxies by JWST https://www.universetoday.com/165474/feast-your-eyes-on-19-face-on-spiral-galaxies-seen-by-webb/ 12:03 N79 by James Webb https://www.universetoday.com/165392/new-webb-image-of-a-massive-star-forming-complex/ 13:02 Tsunami of interviews https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE 13:44 Green Light for LISA https://www.universetoday.com/165483/the-space-based-gravitational-wave-observatory-lisa-gets-the-green-light/ 15:39 Starlab to launch on Starship 16:57 Thoughts on YouTube Retirement 📺 VIDEO VERSION https://youtu.be/8ONk73fNMJE 📰 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)

Recently astronomers made an unexpected discovery. They found a planet called WASP-69b with a giant comet-like gas tail that was bigger than ever. What's causing such behaviour and what can we learn about hot Jupiters? Finding out with Dakota Tyler from the University of LA. 📜 WASP-69b's Escaping Envelope Is Confined to a Tail Extending at Least 7 Rp https://iopscience.iop.org/article/10.3847/1538-4357/ad11d0 👉 Weekly Space Hangout playlist: https://www.youtube.com/playlist?list=PLSzmIOQZ9aanpwIW74qBHypy2nBIe54 🦄 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 01:24 Planet with a tail 13:14 Hot Jupiters 18:13 What's next for planets with tails 26:15 Current obsessions 32:24 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/0RSZCNVskcQ 📰 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)

Solar energy is simple the best energy source we have access to. But how can we make it even better? With space tech, of course! In this interview I'm talking about a project that suggests putting giant solar reflectors in orbit to extend daytime for solar farms on Earth with my guest, Dr Onur Celik. 🦄 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 01:19 Space reflectors 14:59 Reflectors vs more traditional ideas 20:21 How it will look from the ground 30:25 Applications outside of Earth 37:40 Current obsessions 38:30 Final thoughts and more interviews 📺 VIDEO VERSION https://youtu.be/5r2nxkhOqic 📰 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)