Cosmic Queries, Jovian Mysteries & Martian Quakes: #494 - The Great Space Q&A | Space Nuts

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Recorded10 Feb 2025

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Space Nuts Episode 494: Radiation Around Jupiter, Light Refraction, and Brown Dwarfs Join Andrew Dunkley and Professor Jonti Horner in this thought-provoking Q&A edition of Space Nuts, where they tackle a variety of intriguing questions from our listeners. From the complexities of radiation surrounding Jupiter to the effects of light refraction in space, and the mysteries of brown dwarfs, this episode is packed with insights that will expand your understanding of the cosmos. Episode Highlights: - Radiation Around Jupiter: Fenton from Minnesota dives deep into the types of radiation emitted by Jupiter and the charged particles from its volcanic moon Io. Jonti explains the implications for spacecraft navigating this hazardous environment and how these particles interact with Jupiter's magnetic field. - Light Refraction and Redshift : Kerry from Mount Gambier wonders about the impact of gas clouds on light refraction and redshift. Jonti clarifies how light behaves when passing through these clouds and reassures listeners that the redshift measurements remain largely unaffected. - Brown Dwarfs and Binary Systems: Nigel from Brisbane asks whether binary brown dwarfs are destined to collide. Jonti discusses the dynamics of binary systems and the various factors that could lead to such an event, while also exploring the potential for merging to create a star. - Marsquakes and Planetary Structure: Buddy poses a fascinating question about the origins of marsquakes and whether Mars could eventually break apart. Jonti unpacks the geological processes at play on Mars and the role of Jupiter in shaping the asteroid belt. 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 - Introduction to the episode and topics 02:15 - Discussion on radiation around Jupiter and its implications 10:30 - Light refraction and its impact on redshift 18:00 - Insights into binary brown dwarfs and potential collisions 26:45 - Marsquakes and the internal structure of Mars 30:00 - Closing thoughts and listener engagement ✍️ Episode References Jupiter's Magnetosphere https://en.wikipedia.org/wiki/Magnetosphere_of_Jupiter Marsquakes Research https://mars.nasa.gov/marsquake/ Brown Dwarfs and Binary Systems https://en.wikipedia.org/wiki/Brown_dwarf 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/25500436?utm_source=youtube

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