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Space Nuts: Astronomy Insights & Cosmic Discoveries

Professor Fred Watson and Andrew Dunkley
Space Nuts: Astronomy Insights & Cosmic Discoveries
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  • K2-18b, Gravitons & The Comet Conundrum: A Cosmic Q&A
    Sponsor Details:Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacenuts", available for the first 30 standard package purchases only.NordVPN: To get the special SpaceNuts discount deal with 4 extra free months, plus a 30 money back guarantee simply visit www.nordvpn.com/spacenuts In this engaging Q&A episode of Space Nuts, host Andrew Dunkley is back alongside the ever-insightful Professor Fred Watson. Together, they tackle a range of intriguing questions from listeners, covering the potential discovery of life on exoplanet K2 18b, the mysteries of gravity and gravitons, and the latest on the Swan Comet.Episode Highlights:- The Buzz Around K2 18b: Andrew and Fred Watson discuss the recent excitement surrounding the detection of dimethyl sulphide on K2 18b, a potential biosignature. They delve into the implications of this discovery and the ongoing debate about the planet's habitability, while also addressing the sensationalist headlines that often accompany such findings.- Gravity and Gravitons: A question from listener James prompts a fascinating discussion on the nature of gravity and the role of the Higgs particle versus the hypothetical graviton. Fred Watson explains the differences between these concepts and the complexities of how gravity operates at a fundamental level.- Observing the Swan Comet: Ted from an undisclosed location shares his experiences of observing the Swan Comet, prompting a conversation about its current visibility and characteristics. Andrew and Fred Watson discuss the comet's colour, tail, and what makes it an interesting object for amateur astronomers.- The Challenge of Fake News in Science: The episode wraps up with a thoughtful examination of how sensationalism in the media can distort scientific discoveries. Andrew and Fred Watson reflect on the responsibility of scientists and journalists alike to convey information accurately and responsibly.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, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favourite 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) Welcome to Space Nuts with Andrew Dunkley and Fred Watson Watson(01:20) Discussion on the potential discovery of life on K2 18b(15:00) Exploring gravity and the role of gravitons(25:30) Observing the Swan Comet(35:00) The impact of sensationalism in scientific reportingFor commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.
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  • Shimmering Diamonds, Asteroid Encounters & Unraveling the Dark Ages of the Universe
    Sponsor Details:Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacenuts", available for the first 30 standard package purchases only.NordVPN: To get the special SpaceNuts discount deal with 4 extra free months, plus a 30 money back guarantee simply visit www.nordvpn.com/spacenuts Diamonds on Mercury, the Lucy Mission, and Mapping the Dark AgesIn this exciting episode of Space Nuts, host Andrew Dunkley returns from his recent travels, ready to explore some of the most intriguing topics in astronomy alongside the ever-knowledgeable Professor Fred Watson. They dive into the possibility of a diamond layer on Mercury, the latest revelations from the Lucy spacecraft, and an ambitious plan to map the universe's Dark Ages.Episode Highlights:- Diamonds Beneath Mercury: Andrew and Fred Watson discuss groundbreaking research suggesting that Mercury may have a layer of diamonds beneath its surface. They unpack the findings from a recent paper that indicates the presence of carbon-rich materials under extreme pressure and temperature conditions, leading to the formation of diamonds deep within the planet.- The Lucy Mission's Surprising Discoveries: The duo delves into the latest images sent back by NASA's Lucy spacecraft, which is on a mission to study Trojan asteroids. They discuss a surprising flyby of an asteroid that turned out to be larger than anticipated, along with the innovative autonomous systems that allowed for stunning imaging of this cosmic object.- Mapping the Dark Ages of the Universe: Andrew and Fred Watson explore an ambitious project aimed at mapping the Dark Ages of the universe, a time when the first stars had yet to ignite. They discuss the challenges of detecting the faint signals from this era and how a fleet of satellites positioned on the far side of the Moon could help overcome these obstacles.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, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favourite 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) Welcome back to Space Nuts with Andrew Dunkley and Fred Watson Watson(01:20) Discussion on the potential diamond layer on Mercury(15:00) Updates from the Lucy mission and its asteroid flyby(25:30) Exploring the plan to map the Dark Ages of the universeFor commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.
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  • Cosmic Questions, Angular Momentum & the Mysteries of the Expanding Universe
    Space Nuts Episode 516: Angular Momentum, Cosmic Inflation, and the Infinite UniverseIn this thought-provoking episode of Space Nuts, host Heidi Campo steps in for Andrew Dunkley, joined by the ever-knowledgeable Professor Fred Watson. Together, they tackle an array of fascinating listener questions that delve into the complexities of angular momentum, the nature of cosmic inflation, and the mysteries surrounding the universe's finiteness or infiniteness.Episode Highlights:- Angular Momentum Explained:Heidi and Fred kick off the episode by addressing a question from Buddy about angular momentum. They discuss how angular momentum affects spinning objects, the implications of expansion, and the intriguing concept of a potentially spinning universe.- Time Dilation and Cosmic Inflation: Scott from Sydney poses a compelling question regarding time dilation during the universe's hyperinflation period. Fred elaborates on how time behaves under extreme gravitational conditions and the significance of inflation in explaining the universe's homogeneity.- Is the Universe Finite or Infinite?The episode features a delightful audio question from young Enrique and his father Philip, exploring whether the universe is finite or infinite. Fred explains the concept of cosmic horizons and the challenges faced in determining the universe's boundaries.- Temperature Control on the ISS: Kevin from Melbourne asks about the temperature inside the International Space Station (ISS) and how it varies with sunlight exposure. Heidi and Fred discuss the engineering marvels that maintain a livable environment for astronauts, including the challenges of thermal regulation in space.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) Welcome to Space Nuts with Heidi Campo and Fred Watson(01:20) Discussion on angular momentum and its effects(15:00) Exploring time dilation and cosmic inflation(25:30) Is the universe finite or infinite?(35:00) Temperature control aboard the ISSFor the commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.
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  • K2 18b, Life's Potential & the Mysteries of the Hycean World
    Space Nuts Episode 515: K2 18b, Polar Orbits, and the Lucy MissionIn this fascinating episode of Space Nuts, host Heidi Campo takes the helm for her final week as Andrew Dunkley prepares to return. Joined by the ever-knowledgeable Professor Fred Watson, they delve into some of the most exciting recent discoveries in astronomy, including the much-discussed K2 18b, the peculiar polar orbit of a newly discovered planet, and the latest from NASA's Lucy mission.Episode Highlights:- K2 18b's Potential for Life: Heidi and Fred explore the latest findings on K2 18b, a planet in the habitable zone of its star that exhibits chemical signatures potentially linked to life. They discuss the significance of dimethyl sulfide and dimethyldisulfide and the challenges of confirming these findings through the James Webb Space Telescope.- The Mystery of Polar Orbits: The duo shifts gears to discuss the surprising discovery of a planet orbiting in a polar configuration around a binary star system. Fred explains the implications of this unusual orbit and the theories surrounding its formation, raising questions about the nature of planetary systems.- The Lucy Mission: The episode wraps up with an exciting update on NASA's Lucy mission, which aims to explore Trojan asteroids. Heidi and Fred discuss the mission's unique goals, the significance of the asteroid named after paleoanthropologist Donaldjohanson Johanson, and the intriguing connections between the mission's title and its namesake.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) Welcome to Space Nuts with Heidi Campo and Fred Watson(01:15) Discussion on K2 18b and its potential for life(15:30) The polar orbit discovery around binary stars(25:00) Updates on NASA's Lucy mission and its asteroid flybyFor the commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.
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  • Cosmic Questions, Gravitational Waves & the Mysteries of Space-Time
    This episode is brought to you with the support of NordVPN, the official VPN service of the Space Nuts team. We use it and you should too. To get our special deal of up to 74% off and 4 months extra for free, just visit www.nordvpn.com/spacenutsIn this thought-provoking episode of Space Nuts, host Heidi Campo takes the reins while Andrew Dunkley enjoys a well-deserved holiday. Joined by the ever-insightful Professor Fred Watson, they dive into a range of captivating questions submitted by listeners. From the potential discovery of habitable exoplanets within our lifetime to the mysteries of gravitational waves and the intriguing concept of the cosmic jerk, this episode is a treasure trove of astronomical knowledge and cosmic wonder.Episode Highlights:- Habitable Exoplanets: Heidi and Fred discuss a question from Thomas, a year 11 student, about the likelihood of finding a habitable planet during our lifetime. Fred shares insights on the thousands of exoplanets already discovered and the promising candidates that may support life.- Gravitational Waves and LIGO: Adriano from Italy poses an intriguing question about how LIGO measures gravitational waves from colliding black holes. Fred explains the mechanics behind these measurements and explores the potential to detect gravitational waves from the early universe.- The Moon's Shifting Position: Anthony from Sydney wonders why the moon appears to shift so dramatically in the sky. Fred clarifies the geometry behind the moon's orbit and its relationship to the sun, providing a fascinating perspective on lunar observations.- Space Tearing and the Big Rip: Mikey from Illinois asks if space can tear and what that would look like. Fred discusses the theoretical notion of "space tearing," the Big Rip hypothesis, and the extreme conditions required for such an event to occur.- The Cosmic Jerk: Greg from Minnesota raises a question about the acceleration of the universe and whether it is changing at a constant rate. Fred elaborates on recent findings from the Dark Energy Survey Instrument and the implications for our understanding of cosmic expansion.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) Welcome to Space Nuts with Heidi Campo and Fred Watson(01:10) Discussion on the potential for habitable exoplanets(10:50) How LIGO measures gravitational waves from black holes(20:30) The shifting position of the moon in the sky(28:15) Exploring the concept of space tearing and the Big Rip(35:20) The cosmic jerk and the acceleration of the universeFor commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.
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About Space Nuts: Astronomy Insights & Cosmic Discoveries

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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