Join Professor Fred Watson and Sci-Fi Author Andrew Dunkley on Space Nuts as they delve into astronomy, space travel, and cosmic mysteries. Explore groundbreaking discoveries and listener Q&amp;A in captivating discussions. Follow us on social media to engage with our community! Two episodes a week with news and explainer focused editions published on Thursday's and our Listener Q&amp;A focused edition on Monday's. Become a supporter of this podcast: <a href="https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support?utm_source=rss&amp;utm_medium=rss&amp;utm_campaign=rss">https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support</a>.

This episode is brought to you with help of NordVPN. To get the special birthday deal, visit <a href="https://www.nordvpn.com/spacenuts" target="_blank" rel="noreferrer noopener">www.nordvpn.com/spacenuts</a> - you'll be glad you did. Space Nuts Episode 497: Earth's Core Dynamics, Hypervelocity Stars, and Cosmic Dust Join Andrew Dunkley and Professor Jonti Horner in this captivating episode of Space Nuts as they delve into the intriguing dynamics of our planet's core, the discovery of a hyperactive star with a planet, and the fascinating phenomenon of cosmic dust. From the slowing of Earth's inner core to the implications of interstellar objects entering our solar system, this episode is filled with insights that will ignite your curiosity about the universe. Episode Highlights: - Earth's Core Dynamics: Andrew and Jonti discuss the recent findings regarding the Earth's inner core, revealing that it has been slowing down. They explore how researchers used data from repeating earthquakes to uncover the complexities of the core's rotation and its implications for our understanding of Earth's geology. - Hypervelocity Stars: The duo introduces the concept of hypervelocity stars and highlights a newly discovered star that is moving at an astonishing speed of nearly 2 million kilometers per hour. They discuss the significance of this find and its connection to the planet orbiting this remarkable star. - Cosmic Dust from Neighboring Systems: Andrew and Jonti explore the idea of "space dandruff," where neighboring solar systems contribute to the influx of cosmic dust in our own. They discuss simulations that suggest a million objects from the Alpha Centauri system are currently passing through our solar system, and the potential for detecting these interstellar visitors. - Debate on Planetary Classification: The episode wraps up with a discussion on a newly discovered object that challenges the boundaries between planets and brown dwarfs. Jonti explains the ongoing debate regarding the definitions of these celestial bodies and how new discoveries are prompting scientists to reconsider traditional classifications. For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, <a href="https://www.spacenutspodcast.com/" target="_blank" rel="noreferrer noopener">visit our website.</a> Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform. If you'd like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, <a href="https://www.spacenutspodcast.com/about" target="_blank" rel="noreferrer noopener">visit spacenutspodcast.com/about</a> 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 Earth's core dynamics and slowing rotation 10:30 - Exploration of hypervelocity stars and their implications 18:00 - The phenomenon of cosmic dust from neighboring systems 26:45 - Debate on planetary classification and the discovery of Gaia 4B 30:00 - Closing thoughts and listener engagement ✍️ Episode References Earth's Inner Core Research <a href="https://www.nature.com/articles" target="_blank" rel="noreferrer noopener">https://www.nature.com/articles</a> Hypervelocity Stars and Planet Discovery <a href="https://www.space.com/hypervelocity-stars" target="_blank" rel="noreferrer noopener">https://www.space.com/hypervelocity-stars</a> Cosmic Dust Studies <a href="https://www.sciencedirect.com/science/article/pii/S0019103519302003" target="_blank" rel="noreferrer noopener">https://www.sciencedirect.com/science/article/pii/S0019103519302003</a> Become a supporter of this podcast: <a href="https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss">https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support</a>.

Space Nuts | Exploring the Cosmos

Earth's Core, Hypervelocity Stars & Cosmic Dandruff: #497 - Unraveling the Mysteries Below and Beyond

Space Nuts Episode 496: Life on Other Planets, Centrifugal Forces, and Bone Density in Space Join Andrew Dunkley and Professor Jonti Horner in this thought-provoking Q&A edition of Space Nuts, where they tackle some of the most intriguing questions from our listeners. From the possibility of detecting life on distant planets to the fascinating dynamics of centrifugal force, and the effects of zero gravity on bone density, this episode is brimming with scientific insights that will spark your curiosity about the universe. Episode Highlights: - Detecting Life on Distant Planets: Ron's compelling question leads the discussion on whether scientists in other solar systems could identify life on Earth using current technology, and vice versa. Jonti elaborates on the challenges and potential methods for detecting life beyond our planet. - Spheres vs. Disks: Dean asks why celestial objects form as spheres while others appear as disks. Jonti explains the physical processes at play, including hydrostatic equilibrium and angular momentum, shedding light on the fascinating shapes of stars, planets, and galaxies. - Bone Density in Space: Ann's insightful question about calcium loss in astronauts prompts a deep dive into the effects of microgravity on bone health. Jonti shares findings from recent studies and discusses the implications for long-term space missions. - Centrifugal Force Explained: Aussie Dean's inquiry about the nature of centrifugal force and its measurement leads to a discussion on reference frames and how they relate to our understanding of gravity and motion on Earth. For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, <a href="https://www.spacenutspodcast.com" target="_blank" rel="noreferrer noopener">visit our website. </a>Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform. If you'd like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, <a href="https://www.spacenutspodcast.com/about" target="_blank" rel="noreferrer noopener">visit spacenutspodcast.com/about</a> 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 detecting life on other planets 10:30 - Exploring the shapes of celestial objects 18:00 - Insights into bone density loss in space 26:45 - Understanding centrifugal force and reference frames 30:00 - Closing thoughts and listener engagement ✍️ Episode References NASA's Studies on Bone Density https://www.nasa.gov/spaceflight Hydrostatic Equilibrium in Celestial Bodies https://en.wikipedia.org/wiki/Hydrostatic_equilibrium Centrifugal Force and Gravity https://www.physicsclassroom.com/class/circles/Lesson-2/Centrifugal-Force Become a supporter of this podcast: <a href="https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss">https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support</a>.

Alien Signals, Bone Density & Cosmic Disks: #496 - The Great Space Q&A Returns

Space Nuts Episode 495: The Megastructure Quipu, Exoplanet Myths, and SpaceX Satellites Join Andrew Dunkley and Professor Jonti Horner in this enlightening episode of Space Nuts, where they explore the cosmos' latest discoveries and debunk popular misconceptions. From the astonishing natural megastructure known as Quipu to the reality behind potentially habitable exoplanets, and the implications of SpaceX satellites re-entering Earth's atmosphere, this episode is packed with fascinating insights that will expand your understanding of our universe. Episode Highlights: - The Discovery of Quipu: Andrew and Jonti discuss the recently discovered megastructure, Quipu, which is a colossal natural formation in the universe. They delve into its size, significance, and the implications it has for our understanding of cosmic structures. - Exoplanet Misconceptions: Jonti shares his frustrations regarding the overselling of exoplanet discoveries and the potential for life. They dissect the media's portrayal of newly found planets and emphasize the complexities involved in determining habitability. - Asteroid 2024 YR4 Update: The duo provides an update on the asteroid's trajectory and the fluctuating odds of it impacting Earth. They explain how ongoing observations refine our understanding of its orbit and potential risks. - SpaceX Satellites and Atmospheric Concerns: Andrew and Jonti examine the increasing number of SpaceX satellites re-entering the atmosphere and the environmental implications of this phenomenon. They discuss the balance between technological advancements and potential ecological impacts. For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, <a href="https://www.spacenutspodcast.com" target="_blank" rel="noreferrer noopener">visit our website.</a> Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform. If you'd like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, <a href="https://www.spacenutspodcast.com/about" target="_blank" rel="noreferrer noopener">visit spacenutspodcast.com/about</a> 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 the discovery of Quipu and its implications 10:30 - Debunking myths around exoplanets and habitability 18:00 - Update on asteroid 2024 YR4 and its potential impact 26:45 - The environmental impact of SpaceX satellites re-entering 30:00 - Closing thoughts and listener engagement ✍️ Episode References Quipu Discovery Article https://www.astronomy.com/news Exoplanet Research https://www.nasa.gov/exoplanets SpaceX Satellite Updates https://www.spacex.com/launches/ Become a supporter of this podcast: <a href="https://www.spreaker.com/podcast/space-nuts--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss">https://www.spreaker.com/podcast/space-nuts--2631155/support</a>.

Space Nuts

Megastructures, Exoplanet Myths & Satellite Showers: #495 - The Quipu Conundrum and More

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, <a href="https://www.spacenutspodcast.com" target="_blank" rel="noreferrer noopener">visit our website. </a>Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform. If you'd like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, visit <a href="https://www.spacenutspodcast.com/about" target="_blank" rel="noreferrer noopener">spacenutspodcast.com/about</a> 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: <a href="https://www.spreaker.com/podcast/space-nuts--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss">https://www.spreaker.com/podcast/space-nuts--2631155/support</a>.

Professor Fred Watson and Andrew Dunkley

Space Nuts | Exploring the Cosmos by Professor Fred Watson and Andrew Dunkley

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