Intergalactic Stars, Sun Switching Poles, A Second Sun | Q&A 264

Video Description

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 sterilise 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? 📰 EMAIL NEWSLETTER Read by 70,000 people every Friday. Written by Fraser. No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Mastodon: astrodon.social/@fcain 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) You are free to use my work for any purpose you like, just mention me as the source and link back to this video.