Space Nuts: Exploring the Cosmos

• Big Bang Theories & Andromeda Collisions: #500 - Your Questions Answered in Our Milestone Episode

  Space Nuts Episode 500: Celebrating 500 Episodes with a Q&A ExtravaganzaJoin Andrew Dunkley, Professor Jonti Horner, and Professor Fred Watson in this monumental 500th episode of Space Nuts! In a special Q&A format, the team tackles a range of audience questions that span the cosmos, including the mysteries of the Big Bang, the impending collision of Andromeda with the Milky Way, and the fascinating phenomenon of cold welding in space. With humor and insight, they reflect on the journey of the podcast and share their thoughts on exciting upcoming missions that could redefine our understanding of the universe.Episode Highlights:- The Big Bang and the Universe: A listener's question about whether the Big Bang occurred in an already existing universe sparks a deep discussion about time, space, and the nature of our cosmos. Andrew, Jonti, and Fred explore the complexities of cosmological theories and the philosophical implications behind them.- Andromeda's Approach: The team dives into the future collision between the Andromeda galaxy and the Milky Way, discussing how gravitational forces will start to influence each galaxy long before they physically collide. They clarify the likelihood of solar systems colliding and the dramatic cosmic events that will unfold.- Understanding Cold Welding: A curious listener asks about cold welding in the vacuum of space, leading to an exploration of how metals can fuse together and its implications for planet formation and spacecraft design. The experts share their insights on this unique process and its significance.- Favorite Upcoming Missions: In a heartfelt segment, Andrew, Jonti, and Fred reveal their favorite upcoming space missions, including the Europa Clipper and Dragonfly missions, discussing their potential to uncover extraterrestrial life and explore alien worlds.For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. 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 spacenutspodcast.com/aboutStay 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 and celebration of 500 episodes02:15 - Discussion on the Big Bang and existing universes10:30 - Insights into the Andromeda-Milky Way collision18:00 - Cold welding in space and its implications26:45 - Exciting upcoming missions in space exploration30:00 - Closing thoughts and appreciation for listeners✍️ Episode ReferencesUnderstanding the Big Bang Theoryhttps://www.nasa.gov/bigbangAndromeda and Milky Way Collision Studieshttps://www.space.com/andromeda-milky-way-collisionCold Welding in Spacehttps://www.sciencedirect.com/science/article/pii/S0013468618301234Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support.

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• Asteroids, Alien Signals & Icy Moons: #499 - Unpacking the Latest in Cosmic Discoveries

  Space Nuts Episode 499: Asteroid Updates, Life in the Cosmos, and SpaceX MishapsJoin Andrew Dunkley and Professor Jonti Horner in this exciting episode of Space Nuts, where they delve into the latest developments in asteroid research, the ongoing quest for extraterrestrial life, and some recent SpaceX controversies. From the fate of asteroid 2024 YR4 to the intriguing possibilities of subsurface oceans on icy moons, this episode is packed with information that will keep you on the edge of your seat.Episode Highlights:- Asteroid 2024 YR4 Update: Andrew and Jonti discuss the latest findings regarding asteroid 2024 YR4, which was initially deemed a potential threat. They clarify the current low probability of impact and explore the implications for both Earth and the Moon, including what would happen if it were to collide with the lunar surface.- Are We Alone in the Universe? The duo tackles the age-old question of extraterrestrial life, discussing new data and the challenges scientists face in searching for evidence of life beyond Earth. They consider the likelihood of finding simple versus complex life forms in the cosmos and the significance of ongoing missions aimed at detecting signs of life within our solar system.- SpaceX's Recent Challenges: The conversation shifts to SpaceX, where Andrew and Jonti analyze the recent mishaps involving their rockets, including uncontrolled reentries and debris falling over populated areas. They discuss the implications of these events for space safety and the future of space exploration.- Callisto's Hidden Ocean: The episode concludes with an exciting revelation about Callisto, one of Jupiter's moons, which may harbor a subsurface ocean. Jonti explains how new analysis techniques have strengthened the case for liquid water beneath its icy surface, further expanding the possibilities for life in our solar system.For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. 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 spacenutspodcast.com/aboutStay 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 and asteroid update02:15 - Current status of asteroid 2024 YR410:30 - Discussion on extraterrestrial life18:00 - SpaceX mishaps and debris concerns26:45 - Callisto's potential subsurface ocean30:00 - Closing thoughts and listener engagement✍️ Episode ReferencesAsteroid Impact Probability Analysishttps://www.nasa.gov/asteroid-impactSETI Research and Extraterrestrial Lifehttps://www.seti.org/Callisto's Subsurface Ocean Studyhttps://www.universetoday.com/callisto-oceanBecome a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support.

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• Black Holes, Light Speed & Oceanic Exoplanets: #498 - Diving Deep into Your Space Queries

  This episode of Space Nuts is brought to you with the support of Incogni. If online privacy matters to you, then you need Incogni. To take advantage of our special 60% off offer for the Space Nuts family, simply visit www.incogni.com/spacenutsSpace Nuts Episode 498: Reflections in Space, Holographic Theories, and Liquid PlanetsJoin Andrew Dunkley and Professor Jonti Horner in this engaging Q&A edition of Space Nuts, where they tackle some of the most thought-provoking questions from our listeners. From the possibility of seeing our own reflection in space to the intriguing theory of a holographic universe, and the concept of entirely liquid exoplanets, this episode is packed with fascinating insights that will expand your understanding of the cosmos.Episode Highlights:- Seeing Our Reflection in Space: Tony's question sparks a discussion on the challenges of capturing a reflected image of the Milky Way galaxy. Jonti explains the complexities of gravitational lensing and how light behaves in the presence of massive objects, revealing why a clear reflection is beyond reach.- The Holographic Universe: Charles asks about the theory that suggests we might live in a holographic universe. Andrew and Jonti delve into the philosophical implications of this theory, touching on string theory and the nature of reality, while pondering the boundaries between science and philosophy.- Black Holes and Light: David's inquiry leads to an exploration of light's behavior around black holes. The duo discusses whether a black hole can accelerate light beyond its speed, clarifying the fundamental principles of light speed and gravitational effects.- Liquid Exoplanets: Duncan raises the intriguing possibility of an entirely liquid exoplanet. Jonti shares insights into the conditions necessary for such a planet to exist, the role of atmospheric pressure, and how it relates to the formation of planets in our universe.For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. 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 spacenutspodcast.com/aboutStay 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 topics02:15 - Discussion on seeing our reflection in space10:30 - Exploring the holographic universe theory18:00 - Insights into black holes and light behavior26:45 - The concept of entirely liquid exoplanets30:00 - Closing thoughts✍️ Episode ReferencesGravitational Lensing Explainedhttps://www.space.com/gravitational-lensingHolographic Universe Theoryhttps://www.sciencedirect.com/science/article/pii/S0370157317303410Liquid Exoplanets Researchhttps://www.nature.com/articles/s41550-020-1170-5Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support.

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

  This episode is brought to you with help of NordVPN. To get the special birthday deal, visit www.nordvpn.com/spacenuts - you'll be glad you did.Space Nuts Episode 497: Earth's Core Dynamics, Hypervelocity Stars, and Cosmic DustJoin 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, visit our website. 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 spacenutspodcast.com/aboutStay 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 topics02:15 - Discussion on Earth's core dynamics and slowing rotation10:30 - Exploration of hypervelocity stars and their implications18:00 - The phenomenon of cosmic dust from neighboring systems26:45 - Debate on planetary classification and the discovery of Gaia 4B30:00 - Closing thoughts and listener engagement✍️ Episode ReferencesEarth's Inner Core Researchhttps://www.nature.com/articlesHypervelocity Stars and Planet Discoveryhttps://www.space.com/hypervelocity-starsCosmic Dust Studieshttps://www.sciencedirect.com/science/article/pii/S0019103519302003Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support.

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

  Space Nuts Episode 496: Life on Other Planets, Centrifugal Forces, and Bone Density in SpaceJoin 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, visit our website. 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 spacenutspodcast.com/aboutStay 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 topics02:15 - Discussion on detecting life on other planets10:30 - Exploring the shapes of celestial objects18:00 - Insights into bone density loss in space26:45 - Understanding centrifugal force and reference frames30:00 - Closing thoughts and listener engagement✍️ Episode ReferencesNASA's Studies on Bone Densityhttps://www.nasa.gov/spaceflightHydrostatic Equilibrium in Celestial Bodieshttps://en.wikipedia.org/wiki/Hydrostatic_equilibriumCentrifugal Force and Gravityhttps://www.physicsclassroom.com/class/circles/Lesson-2/Centrifugal-ForceBecome a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-exploring-the-cosmos--2631155/support.

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