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Cosmic Curiosities: Time Dilation, Supernova Remnants, and Aurora Colors
In this engaging Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a series of thought-provoking questions from their curious audience. From the enigmatic nature of time in anti-gravity fields to the vibrant colors of auroras, this episode dives deep into the mysteries of the cosmos.
Episode Highlights:
- Time in Anti-Gravity Fields: Andrew and Fred explore the implications of time dilation in gravitational and anti-gravity environments, discussing how time appears to flow differently depending on the observer's frame of reference.
- Supernova Remnants: The hosts address whether we can still see the star remnants that contributed to the formation of heavy elements in our solar system, revealing the complexities of cosmic recycling.
- The Colors of Aurora: Listener Nate's question about the stunning colors of auroras leads to a fascinating discussion on the atmospheric processes that create different hues, from greens to reds and beyond.
- Relativistic Mass and Spacecraft Acceleration: Lee from Sweden poses an intriguing idea about using relativistic mass ejection to enhance spacecraft propulsion, prompting a conversation about the theoretical limits of current technology and the physics involved.
For more Space Nuts, including our continuously 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/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.

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Cosmic Discoveries: Erupting Comets, Boiling Ice Moons, and Mars' Climate Secrets
In this captivating episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson delve into the latest astronomical revelations that are reshaping our understanding of the cosmos. From the surprising eruptions of the exo-comet 3I Atlas to the intriguing boiling oceans beneath the icy crusts of moons like Enceladus, this episode is filled with cosmic wonders.
Episode Highlights:
- Eruptions on Comet 3I Atlas: Andrew and Fred explore the recent findings about the interstellar comet 3I Atlas, which appears to be experiencing volcanic eruptions. They discuss the concept of cryovolcanoes and how the comet's interactions with solar radiation may be causing these fascinating phenomena.
- Boiling Oceans of Ice Moons: The hosts examine new research from the University of California, Davis, which suggests that the ice moons of our solar system, including Enceladus, may have boiling oceans beneath their icy crusts. They explain how tidal forces and pressure changes could lead to this unexpected behavior.
- New Evidence of Mars' Climate: Andrew and Fred discuss exciting discoveries made by NASA's Perseverance rover, which has found evidence of a wet, tropical climate on Mars billions of years ago. They delve into the implications of these findings and what they might mean for the potential of past life on the Red Planet.
- Launch Pad Mishap: The episode concludes with a discussion about the recent incident involving the Soyuz launch pad, where a service platform was damaged following a successful launch. The hosts reflect on the challenges faced in human spaceflight and the ongoing cooperation between international space agencies despite geopolitical tensions.
For more Space Nuts, including our continuously 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/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.

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Cosmic Queries: The Birth of Our Sun, Future Discoveries, and Gas Giants
In this thought-provoking Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle an array of intriguing listener questions that span the cosmos. From the possibility of witnessing the birth of our sun to the future of astronomical discoveries, this episode is filled with insights that will leave you pondering the mysteries of the universe.
Episode Highlights:
- The Birth of Our Sun: Daryl from South Australia wonders if we could ever witness the birth of our sun through ancient light. Andrew and Fred explore the limitations of observing such distant events and the fascinating concept of light echoes that allow us to glimpse historical cosmic phenomena.
- Future Discoveries in Astronomy: Rennie from California asks what we might uncover in the next century regarding dark matter, dark energy, and the Big Bang. The hosts discuss the rapid advancements in technology and how they may lead to groundbreaking discoveries in our understanding of the universe.
- Gas Giants and Their Moons: Dave from New Jersey poses a hypothetical scenario about a super Jupiter with an Earth-sized moon. The discussion delves into tidal locking and the potential for life in the Goldilocks zone of such massive planets, revealing the complexities of planetary formation.
- Gas Giants and Supernovae: Cal from Swansea questions whether a gas giant could absorb debris from a supernova to become a star. The hosts clarify the dynamics of supernova explosions and the potential for rogue planets to host their own moons, igniting curiosity about the possibilities of life in the cosmos.
For more Space Nuts, including our continuously 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/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.

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Exploring Theia, Near-Earth Asteroids, and Enceladus
In this exciting episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson dive into a wealth of astronomical discoveries and insights. From new revelations about the ancient collision between Earth and Theia to the astounding discovery of 40,000 near-Earth asteroids, this episode is packed with cosmic revelations that will spark your curiosity about the universe.
Episode Highlights:
- Theia and Earth's Relationship: Andrew and Fred discuss groundbreaking research from the Max Planck Institute that redefines our understanding of Theia, the protoplanet that collided with Earth. They explore how isotopic similarities suggest Theia was not just a random object, but likely a companion planet in the early solar system.
- 40,000 Near-Earth Asteroids: The hosts celebrate the milestone of 40,000 discovered near-Earth asteroids, discussing the implications for planetary defense and the importance of monitoring potentially hazardous objects that could pose a threat to Earth.
- Life on Enceladus: A thrilling discussion emerges around the latest findings from the Cassini mission, revealing new organic compounds in the icy plumes of Enceladus. Andrew and Fred ponder the exciting possibility of life existing in the subsurface ocean of this intriguing moon of Saturn.
- Updates on Comet 3I Atlas: The episode wraps up with an update on the interstellar comet 3I Atlas, including stunning new images captured from Mars. The hosts discuss the significance of these observations and what they might reveal about the comet's characteristics as it continues its journey through our solar system.
For more Space Nuts, including our continuously 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/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.

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Cosmic Queries: The Big Crunch, Gravitational Waves, and Planetary Cores
In this engaging Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner explore a variety of thought-provoking questions from listeners. Delving into the mysteries of the universe, they tackle topics such as the Big Crunch, the nature of gravitational waves, the implications of shifting magnetic poles, and the intriguing composition of gas and ice giants.
Episode Highlights:
- The Big Crunch and Light: Andrew and Jonti discuss the concept of the Big Crunch, examining how light and energy would behave as the universe contracts. They explore the potential for a reverse Big Bang scenario and the scientific implications of such a cataclysmic event.
- Gravitational Waves Interference: Listener Bob poses a fascinating question about what happens when gravitational waves intersect. The hosts explain the interference patterns that could arise and the complexities involved in understanding these phenomena, especially in the context of current gravitational wave detection technology.
- Shifting Magnetic Poles: Paddy's query about the behavior of Earth's magnetic field during a pole flip leads to a discussion on the historical occurrences of geomagnetic reversals and their effects on the planet. Andrew and Jonti clarify misconceptions and provide insights into the potential impacts on technology and life on Earth.
- Richie Cores of Gas and Ice Giants: Martin's inquiry into the composition of gas and ice giants prompts a deep dive into planetary formation theories. The hosts discuss how scientists determine whether these planets have rocky cores and what alternative structures might exist within them, shedding light on the complexity of our solar system.
For more Space Nuts, including our continuously 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/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.

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Leonid Meteor Shower, Mars Escapade Mission, and Gyrochronology
In this captivating episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner delve into the latest astronomical events and missions. From the ongoing Leonid meteor shower to the successful launch of the Mars Escapade mission, this episode is filled with stellar insights and cosmic discoveries that will ignite your curiosity about the universe.
Episode Highlights:
- The Leonid Meteor Shower: Andrew and Jonti discuss the current Leonid meteor shower, exploring its unique characteristics and historical significance. They explain the science behind meteor showers and the factors that influence their visibility, providing listeners with tips on when and where to catch the best views.
- Successful Mars Escapade Mission: The hosts share exciting news about the Mars Escapade mission, which has successfully launched aboard Blue Origin's New Glenn rocket. They discuss the mission's innovative trajectory, which involves a gravity assist from Earth, and the scientific objectives aimed at unraveling the mysteries of Mars' atmosphere and its evolution over time.
- Chasing Stars with Gyrochronology: In a fascinating segment, Andrew and Jonti introduce the concept of gyrochronology, a method used to estimate the ages of stars based on their rotation rates. They explore how this technique can help identify stars that were once part of the Pleiades cluster, shedding light on the complex history of star formation in our galaxy.
- Chinese Astronauts Stranded on Tiangong Space Station: The episode also covers the current situation involving Chinese astronauts stranded on the Tiangong Space Station due to a damaged spacecraft. Andrew and Jonti discuss the implications of this incident and the challenges faced by space missions in an increasingly crowded orbital environment.
For more Space Nuts, including our continuously 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/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.

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Show Notes
Cosmic Queries: Expanding Universe, Space Elevators, and TOI 6894B
In this enlightening Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner tackle a variety of intriguing questions from listeners, diving deep into the mysteries of the universe. From the nuances of cosmic expansion to the potential of space elevators and the peculiarities of exoplanets, this episode is packed with cosmic curiosities and insightful discussions that will expand your understanding of the cosmos.
Episode Highlights:
- The Acceleration of Cosmic Expansion: Rusty from Western Australia asks about the terminology for the increasing acceleration of the universe's expansion. Andrew and Jonti discuss the complexities of this concept, the implications of dark energy, and the evolving nature of cosmological theories.
- Space Elevators Explained: Barry's inquiry about the gravitational effects of a hypothetical space elevator prompts a detailed exploration of how gravity would be felt at various altitudes. The hosts discuss the feasibility of such a structure and the science behind gravity in different orbital scenarios.
- Understanding TOI 6894B: Casey from Colorado wants to know why TOI 6894B is significant. Andrew and Jonti delve into the characteristics of this unusual exoplanet, its relationship with its low-mass star, and what its discovery means for our understanding of planet formation and the diversity of planetary systems.
- Life in Gale Crater: A whimsical question from Philip McCrackpipe leads to a serious discussion about the potential for ancient life in Gale Crater on Mars. The hosts reflect on Mars' wet past and the types of life that may have thrived there, emphasizing the importance of ongoing exploration and research.
For more Space Nuts, including our continuously 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/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.

Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

3I Atlas, Human Remains on Mars, and Moon Formation Insights
In this thought-provoking episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner dive into some controversial and intriguing topics in the realm of space exploration. From the latest on Comet 3I Atlas and the implications of the U.S. government shutdown to the divisive plan to send human remains to Mars, this episode is packed with cosmic curiosities and critical discussions that challenge our understanding of space and humanity's role within it.
Episode Highlights:
- The 3I Atlas Dilemma: Andrew and Jonti take a closer look at the ongoing situation surrounding Comet 3I Atlas, which recently passed Mars. They discuss why NASA has been silent on the data and the fallout from the U.S. government shutdown that has left many NASA employees unable to work or communicate about ongoing missions.
- Human Remains on Mars: The hosts delve into the controversial proposal by the company Celestis to send human ashes to Mars. They discuss the cultural implications and sensitivities surrounding this idea, questioning the ethical considerations of sending human remains to another planet without broader consultation.
- New Evidence of Moon Formation: A fascinating discovery in Western Australia sheds light on the formation of the Moon, with findings indicating that feldspar crystals found in ancient rocks on Earth closely match those on the lunar surface. This evidence supports the giant impact theory of the Moon's origin and offers insights into the early history of our planet.
- The Future of the Universe: Andrew and Jonti explore the latest theories regarding the expansion of the universe, discussing new findings that suggest the universe may be slowing down rather than continuing to accelerate. They reflect on the implications of these discoveries and how they could reshape our understanding of cosmic evolution.
For more Space Nuts, including our continuously 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/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.

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Light Pollution, Space Parasols, and Salvaging Satellites
In this engaging Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner tackle a range of thought-provoking questions from listeners. From the effects of light pollution on stargazing to the intriguing concept of a space parasol for climate control, this episode is packed with cosmic curiosities and insightful discussions that will leave you contemplating the future of humanity in space.
Episode Highlights:
- Light Pollution and Night Sky Visibility: Mark from Connecticut wonders how quickly the night sky would become visible if all electric lights suddenly went out. Andrew and Jonti discuss the immediate effects of light pollution and the importance of dark adaptation for optimal stargazing, emphasizing the impact of atmospheric conditions on visibility.
- Geoengineering and Space Parasols: Doug raises the question of whether a parasol at Lagrange Point 1 could help mitigate climate change. The hosts explore the feasibility of such a project, discussing the challenges of scale, technology, and the implications of geoengineering on the Earth's climate system.
- Salvage Rights in Space: A listener inquires about the ownership of defunct satellites and the potential for salvage rights in space. Andrew and Jonti explain the current legal landscape surrounding space debris, the challenges of recovery, and the evolving nature of space law as commercial interests grow.
- Searching for Extraterrestrial Life: Robert from the Netherlands asks about the role of radio waves in searching for alien civilizations. The hosts delve into the efforts of the SETI program, the challenges of detecting signals, and the potential of the Square Kilometer Array to listen for extraterrestrial communications.
For more Space Nuts, including our continuously 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/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.

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Meteorite Myths, Fireballs, and the Enigmatic 3I Atlas
In this thrilling episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner dive into a variety of fascinating cosmic topics, from the truth behind a supposed meteorite impact on a car to the latest developments surrounding the comet 3I Atlas. This episode is packed with intriguing insights and lively discussions that will leave you pondering the mysteries of the universe.
Episode Highlights:
- Meteorite or Not? Andrew and Jonti examine a peculiar incident involving a car in South Australia that was thought to have been struck by a meteorite. They explore the evidence, including an impressive impact crater on the windscreen, and discuss the likelihood that it was merely debris from a passing truck instead.
- Daylight Fireball: The hosts report on a recent fireball sighting over southeastern Australia that captivated witnesses in broad daylight. They analyze the characteristics of this event and the implications it might have for potential meteorite recovery.
- Updates on 3I Atlas: The episode features an update on the comet 3I Atlas, which recently passed perihelion. Andrew and Jonti discuss its unusual behavior, including rapid brightening and the theories behind its activity as it travels through the solar system.
- Supermassive Black Holes in Tiny Galaxies: The discovery of a supermassive black hole in the ultra-faint dwarf galaxy Segue One raises intriguing questions about galaxy formation and evolution. The hosts delve into the implications of this finding and what it reveals about the nature of dark matter and galaxy interactions.
- Life After Asteroid Impacts: A fascinating study from Finland sheds light on how life can rebound after an asteroid impact. The research team investigates the timeline of microbial recolonization in a crater formed 78 million years ago, revealing insights into the resilience of life on Earth.
For more Space Nuts, including our continuously 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/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.

Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.