Space Light, Cosmic Shields & Moon Mysteries

Cosmic Q&A: Light in Space, Astronaut Shielding, and Ice GiantsIn this engaging Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle intriguing listener questions that delve into the mysteries of space. From the visibility of Voyager 1 in the depths of the solar system to the challenges of shielding astronauts from cosmic radiation, this episode is a treasure trove of cosmic knowledge.Episode Highlights:- Light in Space: Lee from New York City poses a thought-provoking question about how much light exists in space. Andrew and Fred explore the visibility of Voyager 1 and the implications of being far from the Sun, shedding light on human eye sensitivity and the ambient light from stars.- Shielding Astronauts: Fenton from St. Paul, Minnesota, raises an important question about protecting astronauts from radiation beyond the Van Allen Belt. The hosts discuss potential technologies, including superconducting electromagnets and the surprising effectiveness of hydrogen-rich materials like water as radiation shields.- Moon Comparisons: Robert from Vienna, Austria, wonders how our understanding of the solar system would differ if Earth had a moon like Europa or Titan, rather than our heavily cratered moon. The discussion highlights the significance of craters in understanding planetary history and the feasibility of landing on such moons.- Ice Giants Explained: Duncan from Weymouth, UK, questions why Uranus and Neptune are termed "ice giants" instead of "rock giants." Andrew and Fred clarify the definitions and characteristics that distinguish these planets from their gas giant counterparts, emphasizing the unique atmospheric compositions.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.

Cosmic Discoveries: Frame Dragging, Mars Rover Naming, and Intern TriumphsIn this holiday replay episode from the Space Nuts archives, hosts Andrew Dunkley and Professor Fred Watson explore groundbreaking astronomical phenomena and inspiring stories from the cosmos. From the intriguing discovery of frame dragging in space-time to the triumphs of young minds in the field of astronomy, this episode is packed with fascinating insights.Episode Highlights:- Frame Dragging Phenomenon: Andrew and Fred delve into the recent detection of frame dragging around a white dwarf pulsar binary system, discussing its implications for general relativity and our understanding of gravity in the universe.- Naming the Next Mars Rover: The hosts share the story behind the naming of the Mars 2020 rover, "Perseverance," chosen by a young student, highlighting the importance of perseverance in scientific exploration.- Young Intern's Discovery: A remarkable tale of a 17-year-old intern at NASA, who discovered a new planet just three days into his internship, showcasing the potential of the next generation in astronomy.- Listener Questions: The episode wraps up with insightful listener questions about black holes and the mysterious nature of singularities, prompting deep discussions on the complexities of the universe.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.

This episode of Space Nuts is brought to you with the support of Antigravity A1. Experience the future of flight with the world’s first all-in-one 8K 360 drone. With intuitive controls and immersive goggles, the Antigravity A1 redefines what it means to fly. Check it out at AntigravityA1.Archived Insights: Gravitational Waves, Earth's Fate, and Dark EnergyIn this special episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson take a trip down memory lane, revisiting some of the most compelling questions from their Q&A sessions. This episode features discussions on gravitational waves produced by the Big Bang, a thought-provoking "what if" scenario regarding the Earth's fate if the Sun never dies, and a deep dive into the enigmatic nature of dark energy.Episode Highlights:- Gravitational Waves and the Big Bang: Andrew and Fred tackle a listener's inquiry about whether the Big Bang generated gravitational waves and how these might be detected alongside the cosmic microwave background radiation.- The Fate of Earth: A "what if" question explores the implications of an immortal Sun and how Earth's environment might evolve, leading to fascinating speculations about tidal locking and atmospheric changes.- Time and Dark Energy: The hosts discuss a listener's theory proposing a connection between time and dark energy, addressing the complexities of cosmic expansion and the role of gravity in shaping our understanding of the universe.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.

This episode of Space Nuts is brought to you with the support of Antigravity A1. Experience the future of flight with the world’s first all-in-one 8K 360 drone. With intuitive controls and immersive goggles, the Antigravity A1 redefines what it means to fly. Check it out at AntigravityA1.Frozen Frontiers: Snowball Earth, Dinosaur Origins, and Hubble TensionIn this captivating holiday episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson embark on a journey through time and space, discussing the intriguing concept of Snowball Earth, the origins of the dinosaur-killing asteroid, and the ongoing debate surrounding the Hubble tension in cosmology.Episode Highlights:- Snowball Earth: Andrew and Fred explore the fascinating theory of Snowball Earth, a period when our planet was completely frozen over, and how recent geological findings in Scotland and Australia shed light on this icy epoch.- Dinosaur-Killing Asteroid Origins: The hosts delve into the latest research pinpointing the Chicxulub impactor's origins within the asteroid belt, revealing the chemical markers that help trace its journey through the solar system.- The Hubble Tension: A discussion on the so-called crisis in cosmology, as the hosts dissect the differing measurements of the universe's expansion rate and how new data from the James Webb Space Telescope may provide clarity.- Listener Questions: The episode wraps up with engaging listener questions, including a fascinating inquiry about the impact of a frozen Earth on its diameter, prompting a thoughtful discussion on planetary changes over time.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.

Sponsor Details:This episode of Space Nuts is brought to you with the support of Antigravity A1. Experience the future of flight with the world’s first all-in-one 8K 360 drone. With intuitive controls and immersive goggles, the Antigravity A1 redefines what it means to fly. Check it out at AntigravityA1.And NordVPN. Protect your online data with NordVPN. Get our special listener discounts and four months free with a 30-day money-back guarantee at www.nordvpn.com/spacenuts using the coupon code SPACENUTS at checkout.Cosmic Queries: Time Dilation, Black Holes, and GravastarsIn this thought-provoking Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a range of intriguing questions from listeners around the globe. From the complexities of time dilation near supergiant stars to the mysteries surrounding black holes and the hypothetical concept of gravastars, this episode is a deep dive into the fabric of our universe.Episode Highlights:- Time Dilation Near Supergiants: Andrew and Fred discuss the effects of gravity on time near supergiant stars and whether significant time dilation occurs compared to black holes.- Black Holes and Stars: A listener inquires why black holes can’t revert to stars, prompting a fascinating exploration of singularity and the structure of stars.- Understanding Atoms and Black Holes: The hosts clarify the nature of atoms, free space, and how density calculations relate to black holes, addressing the paradox of infinite density.- Redshift Limits and Gravastars: The episode wraps up with an examination of redshift limits in the expanding universe and a discussion about the theoretical existence of gravastars, including their implications for our understanding of cosmic phenomena.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.

Sponsor Details:This episode of Space Nuts is brought to you with the support of Antigravity A1. The Antigravity A1 is the world’s first 8K 360 drone, it’s genuinely a game-changer. You get full immersive flight with the goggles, insanely intuitive controls, and endless creative freedom in editing.If you’re thinking about buying a drone, make it this one. Check out the link to learn more: AntigravityA1And NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.Cosmic Conversations: Time on Mars, Eccentric Orbits, and Space GumIn this riveting episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson embark on a fascinating journey through the cosmos, tackling the complexities of timekeeping on Mars, the peculiar orbit of exoplanet TOI 3884B, and a surprising discovery from asteroid Bennu.Episode Highlights:- Timekeeping on Mars: Andrew and Fred delve into the challenges of synchronizing time between Earth and Mars, highlighting the unique aspects of Martian days and the effects of relativity that complicate clock synchronization.- TOI 3884B's Eccentric Orbit: The hosts explore the unusual orbit of TOI 3884B, a planet that orbits its star at a significant angle, raising questions about its formation and the dynamics at play in its solar system.- Space Gum from Asteroid Bennu: A surprising find of nitrogen-rich polymeric sheets in the samples returned from asteroid Bennu leads to a discussion about the origins of this "space gum" and its implications for understanding asteroid composition and formation.- Curiosities and Speculations: The episode wraps up with playful banter about the implications of these discoveries and the mysteries that continue to unfold in our universe.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.

Sponsor Details:This episode of Space Nuts is brought to you with the support of NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.Cosmic Curiosities: Time Dilation, Supernova Remnants, and Aurora ColorsIn 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.Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

Sponsor Details:This episode of Space Nuts is brought to you with the support of NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.Cosmic Discoveries: Erupting Comets, Boiling Ice Moons, and Mars' Climate SecretsIn 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.Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

Sponsor Details:This episode of Space Nuts is brought to you with the support of NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.Cosmic Queries: The Birth of Our Sun, Future Discoveries, and Gas GiantsIn 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.Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.

Sponsor Details:This episode of Space Nuts is brought to you with the support of NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.Exploring Theia, Near-Earth Asteroids, and EnceladusIn 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.Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.