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Space Nuts: Astronomy Insights & Cosmic Discoveries

Space Nuts
  • 4.7 (221)
  • ASTRONOMY
  • UPDATED WEEKLY

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&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&A focused edition on Monday's. Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

  1. Cosmic Comets, Magnetic Pole Puzzles & The Enigma of Time | Q&A

    1D AGO

    Cosmic Comets, Magnetic Pole Puzzles & The Enigma of Time | Q&A

    Sponsor Link: This episode of Space Nuts is brought to with the support of Incogni. Reduce the volume of spam calls and emails. Lower the risk of identity theft. Make your personal details harder to find online. Gain peace of mind by visiting www.incogni.com/spacenuts for 60% off! 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.

    35 min
  2. Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations

    4D AGO

    Asteroid Spin, Superpuff Mysteries & Martian Groundwater Revelations

    Sponsor Link: This episode of Space Nuts is brought to with the support of Incogni. Reduce the volume of spam calls and emails. Lower the risk of identity theft. Make your personal details harder to find online. Gain peace of mind by visiting www.incogni.com/spacenuts for 60% off! 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.

    32 min
  3. Asteroids and Super Puff Planets | Unveiling Cosmic Mysteries | SN611 & 612

    5D AGO • SUBSCRIBERS ONLY

    Asteroids and Super Puff Planets | Unveiling Cosmic Mysteries | SN611 & 612

    Unraveling Space Mysteries: Asteroids, Super Puff Planets & Cosmic Time In this episode of Space Nuts, we delve into some of the most intriguing questions from the space community—from the spinning chaos of a tiny asteroid to the mind-boggling nature of cosmic time. Join us as we explore recent discoveries that challenge our understanding of planetary geology, the enigmatic behavior of exoplanets, and the profound questions about the very fabric of time and space. In this episode: The fascinating case of the rapidly spinning asteroid 2025 MN45 and what it reveals about asteroid internal structures Understanding super puff exoplanets like Kepler-51D and their eerie, candy-floss-like atmospheres The theory behind the universe’s size and the limitations of our observable horizon The potential impact of Earth's magnetic pole reversals on satellites and technological infrastructure Evidence pointing toward a planet-wide groundwater system on Mars and its implications for past and present water activity How cosmic inflation and the Big Bang expand our perception of the universe beyond what we can see Timestamps: 00:00 - Introduction: Exploring asteroid spins, super puff planets & the universe’s vastness 02:15 - Discovery of international dark sky communities and light pollution policies 05:00 - The spinning asteroid 2025 MN45: Its rapid rotation and internal structure mysteries 08:20 - What if Earth spun as fast as 2025 MN45? The catastrophic consequences 12:00 - The puzzle of super puff planets: Atmospheres of Kepler-51D and sticky haze layers 14:20 - Why some exoplanet atmospheres block spectroscopic signatures — haze over gases? 16:44 - The role of temperature and atmospheric chemistry in super puff planet atmospheres 20:00 - Mars groundwater findings: Craters and the possibility of a planet-wide water table 25:36 - The great Artesian Basin: Earth's massive underground water reserves 28:00 - Did Mars have and still harbor groundwater in some form? Ice, perhaps? 33:00 - The universe's size: How inflation and expansion mean the cosmos is far larger than observed 40:15 - Cosmic horizons and the limits of our universe, from the Big Bang to dark energy 50:00 - Deep questions: Is time an illusion? Quantum entanglement and the nature of reality 55:30 - The impact of magnetic pole reversals and solar activity on Earth's technology 63:00 - The ultimate scale of spacetime: The observable universe and beyond Resources & Links: The Cosmic Serpent by Edinburgh Astronomers Kepler-51 System Discoveries The Vera C Rubin Observatory Journal of Geophysical Research: Planets The Great Artesian Basin - Geoscience Australia Space Nuts Podcast Hugh's Science Studio Connect with Fred Watson: LinkedIn Twitter Notable Quotes: "Time as we see it might just be a stubborn illusion, grounded in the relativity of space-time." "The universe's size can be far beyond our observable horizon, shaped by the rapid inflation in its earliest moments." "A planet-wide water table on Mars suggests that the red planet was wetter than we currently see—water's journey underground." This episode offers a dazzling view into the cosmos' most compelling phenomena, helping us reframe what we think we know about the universe, planets, and the very nature of time itself. Whether it's the tiny asteroid spinning at speed or the cosmic scale distance exceeding 26 billion light-years, each discovery reshapes our understanding of the universe.

    1h 3m
  4. Hawking Radiation, Dark Energy Dilemmas & Listener Curiosities

    MAR 23

    Hawking Radiation, Dark Energy Dilemmas & Listener Curiosities

    This episode of Space Nuts is brought to you by NordVPN. In today's digital age, securing your online privacy is essential. Trust the VPN we use - NordVPN. For our special offer, visit www.nordvpn.com/spacenuts 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.

    34 min
  5. Exoplanet Collisions, Cosmic Snowball Fights & Australia's Astronomical Future

    MAR 20

    Exoplanet Collisions, Cosmic Snowball Fights & Australia's Astronomical Future

    Sponsor Link: This episode of Space Nuts is brought to with the help of NordVPN. When you need to ramp up your privacy online, use the one we use and trust - NordVPN. To get our special price and offer simply visit www.nordvpn.com/spacenuts Exoplanet Collisions, DART Mission Revelations, and Australia's Astronomical Future In this thought-provoking episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson explore the latest cosmic discoveries and their implications for the future of astronomy. From the dramatic collision of two exoplanets to groundbreaking insights from the DART mission and the potential fate of Australia's telescopic capabilities, this episode is packed with engaging discussions and astronomical insights. Episode Highlights: - Exoplanet Collision: Andrew and Fred delve into the recent observation of two exoplanets colliding around the star Gaia20ehk, located 11,000 light years away. They discuss the significance of this rare event, its potential implications for planetary formation, and what it might reveal about our own solar system's history. - DART Mission Insights: The hosts revisit the DART mission, highlighting new findings from the impact on the asteroid moon Dimorphos. They discuss the peculiar surface streaks observed and the implications of material transfer between Didymos and Dimorphos, drawing parallels to cosmic events in our own solar system. - The Future of Australian Astronomy: A critical discussion unfolds regarding the impending end of Australia's strategic partnership with the European Southern Observatory. Andrew and Fred consider the challenges and opportunities this presents, referencing a compelling economic study that advocates for continued investment in astronomical research and infrastructure. 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. Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

    37 min
  6. Exoplanet Collisions, DART Discoveries & Australia's Astronomical Future | SN 609 & 610

    MAR 19 • SUBSCRIBERS ONLY

    Exoplanet Collisions, DART Discoveries & Australia's Astronomical Future | SN 609 & 610

    Exoplanet Collisions, DART Discoveries, and the Future of Australian Astronomy In this episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson explore some intriguing cosmic events and their implications for our understanding of the universe. From the collision of two exoplanets to the latest revelations from the DART mission, this episode is packed with fascinating insights and discussions about the future of astronomy in Australia. Episode Highlights: - Exoplanet Collision: The hosts delve into the remarkable discovery of two exoplanets colliding around the star Gaia20ehk, located 11,000 light years away. They discuss the implications of this event, including the creation of debris and potential links to the formation of moons, drawing parallels with our own solar system. - DART Mission Insights: Andrew and Fred revisit the DART mission, highlighting the unexpected findings from the impact on the asteroid moon Dimorphos. They explore the intriguing surface features of Dimorphos and the implications of the YORP effect in transferring material from the parent asteroid, Didymos. - Future of Australian Astronomy: The episode wraps up with a critical discussion on the impending end of the strategic partnership between the European Southern Observatory and Australian institutions. The hosts emphasize the importance of continued access to world-class telescopes and the economic benefits of investing in astronomy 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, 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.

    1h 8m
  7. Stellar Evolutions, Dark Energy Mysteries & Your Questions Answered

    MAR 16

    Stellar Evolutions, Dark Energy Mysteries & Your Questions Answered

    Cosmic Q&A: Red Giants, Accretion Disks, and Dark Energy In this captivating Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a variety of listener questions that span the cosmos. From the fate of our Sun as it becomes a red giant to the mysteries of dark energy, this episode is a treasure trove of astronomical insights and engaging discussions. Episode Highlights: - The Fate of Our Sun: Jeff from Arkansas asks about the implications of the Sun swelling into a red giant in approximately 5 billion years. Andrew and Fred explain the process and its potential effects on the outer planets, addressing concerns about rogue planets and gravitational influences. - Understanding Accretion Disks: Blue from London inquires about the apparent high-speed motion of material in accretion disks around black holes despite gravitational time dilation. The hosts clarify the dynamics at play and the distances involved in these cosmic phenomena. - Expanding Universe Mysteries: Julian from Canada poses questions about the expansion of the universe and its acceleration. Andrew and Fred dive into the complexities of dark energy and the Hubble constant, shedding light on current theories and ongoing research. - Dark Energy and the Multiverse: Peter from Sandy Kaye explores the possibility of unseen matter in the universe affecting expansion and whether other universes could influence ours. The discussion delves into speculative theories and the nature of gravity. 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.

    28 min
  8. Asteroids, Comets & the Latest from the DART Mission: A Cosmic Update

    MAR 13

    Asteroids, Comets & the Latest from the DART Mission: A Cosmic Update

    Sponsor Links: The episode of Space Nuts is brought to you with the support of NordVPN. Haveing a good secure VPN connection is more important than ever...so get the one we use - NordVPN. For our special offer visit www.nordvpn.com/spacenuts Asteroid Updates, DART Mission Insights, and the Chris Case of 3I ATLAS In this exciting episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson delve into the fascinating world of comets and asteroids. From the latest updates on asteroid 2024 YR4's potential impact with the Moon to groundbreaking findings from the DART mission, this episode is packed with cosmic discoveries and intriguing discussions. Episode Highlights: - Asteroid 2024 YR4 Update: The hosts discuss the recent observations made using the James Webb Space Telescope, which have ruled out the possibility of asteroid 2024 YR4 hitting the Moon in 2032. They explore the significance of these findings and the implications for future lunar missions. - DART Mission Success: Andrew and Fred revisit the DART mission, highlighting how the impact on the asteroid moon Dimorphos not only changed its orbit but also altered the orbit of the entire Didymos system around the Sun. This marks a historic achievement in planetary defense and asteroid science. - The Mystery of 3I ATLAS: The episode concludes with a discussion on comet 3I ATLAS, which has been found to have an unusual chemical composition, particularly a high ratio of methanol to hydrogen cyanide. The hosts ponder what this could mean for our understanding of other solar systems and the chemistry of celestial bodies. 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.

    36 min
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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&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&A focused edition on Monday's. Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

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