Primordial Black Holes, Ancient Galaxies & The Ultimate Lagrange Point: #488 - Q&A Edition |...

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Recorded20 Jan 2025

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Space Nuts Episode 488: Cosmic Curiosities - Primordial Black Holes, Ancient Galaxies, and the Ultimate Lagrange Point Join Andrew Dunkley, Professor Fred Watson, and Professor Jonti Horner as they tackle intriguing questions from our listeners in this Q&A edition of Space Nuts. Dive into the mysteries of the universe with thought-provoking discussions on primordial black holes, ancient galaxies, and the concept of the ultimate Lagrange point. Episode Highlights: - Primordial Black Holes: Rusty from Donnybrook throws a cosmic curveball about the impact of a primordial black hole entering our solar system. Explore the fascinating scenarios and potential consequences with Fred and Jonti as they delve into gravitational dynamics and celestial mechanics. - Ancient Galaxies: Marcel questions the age of the universe as the James Webb Space Telescope continues to uncover older galaxies. Fred and Jonti unravel the complexities of cosmic timelines and the implications for our understanding of galaxy formation and evolution. - The Ultimate Lagrange Point : Buddy from Oregon ponders whether the center of a galaxy could be the ultimate Lagrange point. Discover the intricacies of gravitational balance and stability as Jonti explains the concept of Lagrange points and their cosmic significance. - Expansion of the Universe: Michael from Illinois raises questions about the accelerating expansion of the universe and its effects on our solar system. Fred and Jonti discuss the interplay between cosmic expansion and gravitational forces, offering insights into the future of our universe. For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website (https://www.spacenutspodcast.com/about) Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing. 00:00 - Andrew Dunkley answers questions from audience about primordial black holes 02:08 - Rusty asks a question about black holes in the solar system 06:39 - Science currently holds the belief that our universe is 13.8 billion years old 09:54 - Scientists say HD140283 is older than the edge of the universe 13:23 - Would the center of a galaxy be like the ultimate Lagrange point 14:11 - Would the center of the galaxy be the ultimate Lagrange point 19:30 - Fred Ferguson: An accelerating expansion means everything in the universe is moving apart 24:20 - Patrick Lukaf: There have been several versions of Planet X proposed 32:22 - Don't forget to send us your questions via our website www.spacenutspodcast.com/ama (https://spacenutspodcast.com/ama) ✍️ Episode References James Webb Space Telescope https://www.jwst.nasa.gov/ Dark Sky Traveller http://darkskytraveller.com.au/ Methuselah Star (HD 140283) https://en.wikipedia.org/wiki/HD_140283 Great Attractor https://en.wikipedia.org/wiki/Great_Attractor Planet Nine https://en.wikipedia.org/wiki/Planet_Nine Lagrange Points https://en.wikipedia.org/wiki/Lagrange_point Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts--2631155/support (https://www.spreaker.com/podcast/space-nuts--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) . Episode link: https://play.headliner.app/episode/25158567?utm_source=youtube

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