[Q&A] Intergalactic Stars, Sun Switching Poles, A Second Sun

Can stars be born without a parent galaxy? Can quasars destroy life in an entire galaxy? Is there another planet in our Solar System after all? Did the Sun have a sibling star at some point? 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 00:51 Are there stars without a parent galaxy? 04:43 Can quasars sterilize their galaxies? 08:57 Did we find Dyson spheres? 13:04 Will I consider using LLMs in my work? 16:32 Is there a ninth planet? 19:19 If no Planet X is found, are black holes the only explanation? 21:25 If nothing spun, would there still be gravity? 23:41 Can telescopes at L2 see on the other side of the Sun? 27:07 Do we have a second star? 29:49 Is going to the Moon before Mars the right idea? 33:21 How do we know single pixel images aren't just noise? 36:44 Can the Sun switch its axis? 📺 VIDEO VERSION https://youtu.be/9CsBzBMfPu0 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast