[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
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)