Episodes

  • Lunar Water Mysteries, Interstellar Juice & Graphene's Cosmic Potential

    Lunar Water Mysteries, Interstellar Juice & Graphene's Cosmic Potential
    Apr 16 2026
    In this intriguing episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson explore the latest revelations in space science, focusing on the presence of water on the Moon, the fascinating findings from the comet 3I Atlas, and the innovative use of graphene in propulsion technology. This episode is a deep dive into how these cosmic elements intertwine and shape our understanding of the universe.
    Episode Highlights:
    - Water on the Moon: Andrew and Fred discuss the recent studies suggesting that the water found in lunar craters may have accumulated over billions of years, primarily through solar wind interactions rather than single impactful events. They delve into the implications of this discovery for future lunar exploration and potential resource utilization.
    - Comet 3I Atlas: The hosts share exciting insights from the ESA's JUICE spacecraft, which has provided unprecedented observations of the interstellar comet 3I Atlas. They highlight the significant water vapor emissions and the implications for understanding comet behavior as it travels through our solar system.
    - Graphene Aerogel Propulsion: A fascinating discussion unfolds around the recent experiments with graphene aerogels and their potential for light-driven propulsion in space. Andrew and Fred explore how this innovative technology could revolutionize space travel, enabling efficient and sustainable propulsion methods for future missions.
    - Future of Space Exploration: The episode wraps up with reflections on the importance of ongoing research and technological advancements in the realm of space exploration, emphasizing the need for in-situ investigations to unravel the mysteries of our celestial neighbors.

    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, Instagram, and more. 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.
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    33 mins
  • Relativistic Beaming, Martian Waters & Cosmic Trash: The Space Nuts Q&A

    Relativistic Beaming, Martian Waters & Cosmic Trash: The Space Nuts Q&A
    Apr 13 2026


    Relativistic Doppler Beaming, Martian Water, and Fusion Confusion
    In this engaging Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson dive into a variety of thought-provoking listener questions that explore the depths of astronomy and space science. From the complexities of relativistic Doppler beaming in black holes to the intriguing evidence of water on Mars and the mysteries of nuclear fusion in the sun, this episode is brimming with cosmic insights and scientific clarity.
    Episode Highlights:
    - Relativistic Doppler Beaming: Ron from New York asks about the brightness differences in black hole accretion disks. Andrew and Fred explain how relativistic speeds affect light emission, leading to the phenomenon known as Doppler beaming and why we don't see the expected color shifts.
    - Water on Mars: Sunny from California questions the geological evidence for water on Mars. The hosts discuss the findings from the Phoenix lander and the implications of briny water on the Martian surface, confirming that it was indeed water, albeit potentially different from what we know on Earth.
    - Earth's Mass and Space Junk: Holt raises a fascinating question about how much material we can send into space before it impacts Earth's orbit. Andrew and Fred provide insights into the negligible mass we've launched compared to the Earth's total mass, reassuring listeners that our planet remains unaffected.
    - Fusion Reactions in the Sun: Ken from Maroochydore seeks clarification on the fusion process in the sun, specifically regarding mass loss and binding energy. The hosts unravel the complexities of fusion, explaining how energy is produced and the significance of mass defects in nuclear reactions.

    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, Instagram, and more. 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.
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    31 mins
  • Artemis 2 Success, ESO Fallout & The Intriguing World of X-Ray Binaries

    Artemis 2 Success, ESO Fallout & The Intriguing World of X-Ray Binaries
    Apr 9 2026
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    Artemis 2 Launch, Australian Astronomy Setbacks, and the Mystery of X-Ray Binaries
    In this thrilling episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson dive into the latest advancements in space exploration and the challenges faced by the Australian astronomy community. The successful launch of Artemis 2 marks a significant milestone for humanity's return to the Moon, while a recent government decision leaves Australian astronomers concerned about their future access to critical telescopes. The episode also explores the intriguing discovery of an X-ray binary that defies conventional understanding, revealing new mysteries in the cosmos.
    Episode Highlights:
    - Artemis 2 Launch: Andrew and Fred share their excitement over the successful launch of Artemis 2, discussing the mission's significance and the historic achievements of the crew as they become the first humans to travel further than Apollo 13.
    - Australian Astronomy Challenges: The hosts delve into the Australian government's decision to discontinue its partnership with the European Southern Observatory, examining the potential impact on local astronomers and the future of optical astronomy in Australia.
    - X-Ray Binary Discovery: A fascinating conversation unfolds around the discovery of two peculiar X-ray binaries that challenge existing theories, leading to discussions about the nature of these celestial objects and what they reveal about stellar evolution.
    - Future of Astronomy: Andrew and Fred reflect on the implications of these developments for the broader astronomy community, contemplating the balance between funding, scientific advancement, and international collaboration.

    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, Instagram, and more. 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.
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    34 mins
  • Black Hole Dilemmas, Pulsar Planets & Bennu's Chemical Secrets | Q&A

    Black Hole Dilemmas, Pulsar Planets & Bennu's Chemical Secrets | Q&A
    Apr 6 2026
    Black Holes, Pulsar Planets, and the Mysteries of Bennu
    In this captivating Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle an array of intriguing listener questions that delve deep into the cosmos. From the nature of black holes and their supermassive growth to the discovery of planets orbiting pulsars, and the latest findings from the asteroid Bennu, this episode is packed with cosmic insights and scientific discussions.
    Episode Highlights:
    - Understanding Black Holes: Andrew and Fred explore the complexities of black holes, addressing how they can accrete enough matter to become supermassive within cosmological time scales, and the fascinating concept of time dilation at the event horizon.
    - Pulsar Planets: Hazel's question about planets orbiting pulsars sparks a discussion on the survival of these celestial bodies after supernova explosions and the potential effects of pulsar radiation on their environments.
    - Asteroid Bennu Update: David inquires about the latest findings from the asteroid Bennu, and the hosts reveal exciting new research on the complex chemical landscape and the implications of liquid water's interaction with organic materials on this carbon-rich asteroid.
    - Neutrinos and Black Holes: Keith's question leads to a discussion on the elusive neutrinos, their ability to pass through matter, and what happens to them when they encounter a black hole.

    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, Instagram, and more. 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.
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    34 mins
  • Artemis Adventures, Interstellar Toilets & Unveiling Second Generation Stars

    Artemis Adventures, Interstellar Toilets & Unveiling Second Generation Stars
    Apr 3 2026
    Artemis 2, Space Toilets, and the Discovery of a Second Generation Star
    In this fascinating episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson take you on a journey through the latest developments in space exploration. With Artemis 2 set to launch, they dive into the mission's exciting details, including Australia's role in communication and the innovative design of the spacecraft's toilet system. They also discuss NASA's ambitious plans for a permanent moon base and the recent evacuation of an astronaut from the International Space Station, shedding light on the challenges faced in space travel. Finally, the episode wraps up with an intriguing discovery of a second generation star, offering insights into the universe's early history.
    Episode Highlights:
    - Artemis 2 Launch: Andrew and Fred explore the Artemis 2 mission, discussing the significance of Australia's CSIRO involvement in communications and the advanced technology behind the Orion spacecraft's hygiene bay.
    - NASA's Moon Base Plans: The hosts delve into NASA's announcement of a $20 billion investment over seven years to establish a permanent base on the moon, examining the implications for future lunar exploration.
    - ISS Crew Evacuation Update: A detailed look at the recent medical emergency involving astronaut Mike Finke, including the mystery surrounding his seizure and the ongoing investigations to ensure astronaut safety in space.
    - Second Generation Star Discovery: Andrew and Fred discuss the implications of discovering a second generation star, known as Pick 2503, and what it reveals about the universe's formation and the lifecycle of stars.

    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, Instagram, and more. 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.
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    28 mins
  • Cosmic Comets, Magnetic Pole Puzzles & The Enigma of Time | Q&A

    Cosmic Comets, Magnetic Pole Puzzles & The Enigma of Time | Q&A
    Mar 30 2026
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    Cosmic Q&A: Comets, Magnetic Reversals, and the Nature of Time
    In this thought-provoking Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a series of intriguing listener questions that span the cosmos. From the fascinating journeys of comets to the implications of Earth's magnetic pole reversal, and the philosophical musings on the origin of time, this episode is a rich tapestry of cosmic inquiry.
    Episode Highlights:
    - The Journey of Comets: Listener Nate from Perth dives into the paths of comets, exploring whether they all follow similar trajectories or carve out their own unique paths. Andrew and Fred unravel the mysteries of the Oort Cloud and the gravitational influences that shape these celestial wanderers.
    - Magnetic Pole Reversal: Michael from Canada raises concerns about the potential effects of Earth's overdue magnetic pole reversal on satellites in low Earth orbit. The hosts discuss the gradual nature of these reversals and the implications for our technology as the magnetic field weakens.
    - The Nature of Time: Local listener George presents a profound question about the essence of time, contemplating whether it exists as a construct of energy motion. Andrew and Fred delve into the complexities of time in the context of relativity and quantum mechanics, exploring its elusive nature and the philosophical questions it raises.
    - Galaxies and the Observable Universe: Tom from Ireland grapples with the concept of distance in the universe, questioning how galaxies can appear to be further apart than the age of the universe itself. Andrew and Fred clarify the concepts of look-back time and the universe's expansion, shedding light on this common cosmic conundrum.

    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, Instagram, and more. 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.
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    35 mins
  • Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations

    Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations
    Mar 27 2026
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    Asteroid Spins, Superpuff Planets, and Martian Groundwater Discoveries
    In this exciting episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson delve into a trio of captivating astronomical topics. From the peculiarities of a rapidly spinning asteroid to the mysteries surrounding superpuff planets, and groundbreaking revelations about Martian groundwater, this episode is a treasure trove of cosmic insights.
    Episode Highlights:
    - Spun Out Asteroid: Andrew and Fred discuss the intriguing asteroid 2025 MN45, which spins at an astonishing rate of 1 minute and 54 seconds per rotation. They explore the implications of such rapid rotation on its structure and what it might reveal about its composition.
    - Superpuff Planet Kepler 51D: The hosts examine the latest findings on Kepler 51D, a planet with an unusually low density that has been compared to cotton candy. They discuss the challenges astronomers face in understanding its hazy atmosphere and the ongoing research aimed at uncovering its secrets.
    - Martian Groundwater Insights: A major highlight of the episode is the discussion about new research suggesting the existence of a planet-wide groundwater system on Mars. Andrew and Fred analyze the geological evidence that indicates a historical hydrological network, shedding light on Mars's wet past and its potential for supporting life.

    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, Instagram, and more. 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.
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    32 mins
  • Hawking Radiation, Dark Energy Dilemmas & Listener Curiosities

    Hawking Radiation, Dark Energy Dilemmas & Listener Curiosities
    Mar 23 2026
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    Cosmic Queries: Hawking Radiation, Dark Energy, and Moving Earth
    In this engaging Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson dive into intriguing listener questions that span the cosmos. From the mysteries of Hawking radiation to the enigma of dark energy, and even a thought-provoking "what if" scenario about moving Earth to a new star system, this episode is packed with fascinating discussions and astronomical insights.
    Episode Highlights:
    - Hawking Radiation Explained: Tony from Marrickville poses a question about the entanglement of particles that pop into existence near black holes. Andrew and Fred explore the concept of quantum entanglement and how it relates to Hawking radiation, shedding light on this complex phenomenon.
    - Understanding Dark Energy: Stuart Gary Gary from Tasmania asks about the implications of dark energy and its role in the universe's expansion. The hosts discuss current theories, including the cosmological constant, and unravel the mysteries surrounding this elusive form of energy.
    - What If We Could Move Earth? Thomas from Virginia presents a thought-provoking scenario about relocating Earth to another star's Goldilocks zone. Andrew and Fred contemplate the potential effects on Earth's atmosphere during such a journey, drawing parallels to science fiction while grounding the discussion in scientific principles.

    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, Instagram, and more. 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.
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    34 mins