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

Universe Today Podcast

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.

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• 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

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