SpaceTime with Stuart Gary | Astronomy, Space & Science News

Sponsor Link:This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.SpaceTime with Stuart Gary Gary - Series 29 Episode 13In this episode of SpaceTime, we uncover the hidden violent past of the Milky Way's supermassive black hole, delve into the origins of water on Jupiter's Galilean moons, and explore how meteor impacts are triggering dust avalanches on Mars.The Violent History of Sagittarius AFor years, Sagittarius A, the supermassive black hole at the center of our galaxy, has been perceived as a quiet entity. However, new research published in the Astrophysical Journal Letters indicates that it may have experienced dramatic flares in the past. Observations from the CRISM Space Telescope reveal X-ray emissions from a gas cloud near Sagittarius A, suggesting a history of explosive activity that alters our understanding of supermassive black hole evolution and the history of our galaxy.Water Origins of Jupiter's Galilean MoonsA groundbreaking study has determined that the contrasting water content of Jupiter's four large Galilean moons was established during their formation rather than evolving later. This research sheds light on the stark differences between Io, which is dry and volcanically active, and Europa, believed to have a subsurface ocean. The findings suggest that the primordial environment around Jupiter played a crucial role in shaping these moons' compositions.Meteor Impacts Trigger Dust Avalanches on MarsNew evidence indicates that meteor impacts on Mars are causing dust avalanches, creating dark streaks on the planet's surface. An analysis of images from the European Space Agency's ExoMars Trace Gas Orbiter reveals that these avalanches occur primarily due to dry processes, driven by seasonal dust and wind activity, rather than water-related phenomena. This discovery enhances our understanding of Martian surface dynamics and the impact of meteor activity.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Sagittarius A's hidden violent past revealed(00:12:45) Origins of water on Jupiter's Galilean moons(00:25:30) Meteor impacts causing dust avalanches on Mars(00:35:00) February night sky highlights and celestial events.(00:00:00) This is space time series 29, episode 13 for broadcast on 30 January 2026(00:00:47) X ray emissions from the Crism Space Telescope suggest Sagittarius A flared(00:07:59) A new study claims dust avalanches caused by meteor impacts are creating Martian streaks(00:10:22) February is the second month of the year in the Julian and Gregorian calendars(00:12:03) February's Orion meteor showers usually peak around February 8th(00:22:18) Blue supergiant Rigel is the second brightest star in the constellation Orion(00:31:08) Rygel: Sirius is the brightest star in the night sky(00:35:09) February is a great time to look for bright stars in the night sky(00:38:04) The night sky is sparse with the old planets at the moment

Sponsor Link:This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.SpaceTime with Stuart Gary Gary - Series 29 Episode 12In this episode of SpaceTime, we uncover groundbreaking discoveries about Earth's mantle, the watery past of Mars, and the rapid growth of galaxies through cool gas filaments.Distinct Histories of Earth's Mantle ProvincesRecent research reveals that the two massive continent-sized regions deep within the Earth's mantle have unique chemical compositions and histories. This study challenges long-held assumptions and uses seismic wave data to illustrate how these large low velocity provinces differ in density and material, impacting the planet's heat extraction from the core and potentially affecting the stability of Earth's magnetic field.Confirmation of Mars as a Blue PlanetNew evidence from ancient Martian river deltas suggests that Mars was once covered by a vast ocean. High-resolution images reveal delta-like structures, indicating that water once flowed into an ocean approximately 3 billion years ago. This discovery supports the notion of a once habitable environment on Mars, offering insights into its geological history and the potential for life.Galaxies Growing Through Cool Gas FilamentsA fascinating new study has demonstrated how galaxies can rapidly grow by drawing in filaments of cool gas. Observations from the Keck Telescope's Cosmic Webb Imager provide direct evidence of these gas streams spiraling into galaxies, fueling star formation at unprecedented rates. This research offers significant insights into the processes of galaxy formation and the role of the cosmic web in shaping the universe.www.spacetimewithstuartgary.com✍️ Episode ReferencesScientific ReportsMPJ Space ExplorationNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Distinct histories of Earth's mantle provinces(00:12:15) Mars confirmed as a blue planet with ancient ocean(00:25:30) Galaxies grow rapidly through cool gas filaments(00:35:00) Discovery of the oldest known rock art in the world.

Sponsor Link:This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.SpaceTime with Stuart Gary Gary - Series 29 Episode 11In this episode of SpaceTime, we dive into the latest astronomical events, including a record-setting solar storm impacting Earth, the historic Artemis 2 mission preparing to return astronauts to the Moon, and groundbreaking evidence confirming an ancient asteroid impact in the North Sea.Record-Breaking Solar Storm Strikes EarthPlanet Earth has recently experienced a massive geomagnetic storm triggered by an X1.9 class solar flare, followed by a coronal mass ejection. This event produced stunning auroras, visible as far north as Sydney and Brisbane. We discuss how such solar storms can affect technology on Earth and in space, including potential disruptions to communications and navigation systems, as well as the impact on satellites in low Earth orbit.Artemis 2: A Historic Return to the MoonNASA's Artemis 2 mission is gearing up to send astronauts back to the Moon for the first time in over 50 years. The crew will embark on a 10-day journey, orbiting the Moon and traveling further than any humans have before. We explore the mission's objectives, including testing spacecraft systems, practicing docking procedures, and conducting deep space science experiments, all while preparing for future lunar landings.Proof of an Ancient Asteroid ImpactA decades-long debate over the origins of the Silverpit Crater in the North Sea has been resolved with new evidence confirming it was formed by an asteroid impact 43 to 46 million years ago. Utilizing seismic imaging and microscopic analysis, researchers have established this crater as a significant impact site, shedding light on the history of asteroid collisions on Earth and their implications for our planet's geological evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature CommunicationsNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Record solar storm strikes Earth(00:12:30) Artemis 2 mission prepares to send astronauts back to the Moon(00:25:00) Evidence confirms asteroid impact in the North Sea(00:35:15) New insights into Earth's climate from ancient geological events.

SpaceTime with Stuart Gary Gary - Series 29 Episode 10In this episode of SpaceTime, we explore groundbreaking developments in space exploration, including the imminent launch of the first nuclear-powered rocket, the merging of low mass dwarf galaxies, and the intriguing connection between Earth-like planets and gas giants.The Dawn of Nuclear Rocket TechnologyHistory is set to be made as NASA and DARPA prepare to test the world's first fully operational nuclear-powered orbital rocket. This innovative vehicle utilizes a nuclear thermal propulsion system that heats liquid hydrogen propellant through nuclear fusion, achieving nearly double the efficiency of conventional rockets. The test aims to validate reactor operation in orbit, potentially revolutionizing space travel by reducing transit times to Mars and allowing for larger payloads.Merging Dwarf Galaxies: A New DiscoveryA recent study published in the Astrophysical Journal Letters confirms that low mass dwarf galaxies can merge with one another. Observations of the Ursa Minor dwarf spheroidal galaxy reveal previously hidden stellar structures, suggesting that even the smallest galaxies experience mergers. These findings challenge traditional views on galaxy formation and evolution, indicating that interactions between dwarf galaxies may be more common than previously believed.The Connection Between Earth-Like and Gas Giant PlanetsAstronomers have found that rocky planets similar to Earth are more likely to exist in star systems that also contain large gas giants like Jupiter. This research, reported in Astronomy and Astrophysics, shows that cold Jupiters, which orbit beyond the snow line, play a significant role in the formation of super Earths in the inner regions of their planetary systems. The study offers new insights into the complex dynamics of planetary formation and the conditions that lead to the development of terrestrial planets.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersAstronomy and AstrophysicsScience AdvancesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) NASA and DARPA prepare to test the first nuclear-powered orbital rocket(00:10:15) New study confirms mergers among low mass dwarf galaxies(00:20:45) Link discovered between Earth-like planets and gas giants(00:30:00) China breaks through barriers in nuclear fusion reactor development(00:35:20) The impact of ultra-processed foods on global health.

SpaceTime with Stuart Gary Gary - Series 29 Episode 9In this episode of SpaceTime, we unravel the enigma of the universe's mysterious little red dots, delve into groundbreaking insights from Jupiter regarding the evolution of our solar system's planets, and mark the commencement of construction on Earth's largest gamma-ray observatory.The Mystery of the Little Red DotsA fascinating new study reveals that the enigmatic little red dots observed in early images from the NASA Webb Space Telescope are, in fact, young black holes cloaked in ionized gas. Researchers from the Niels Bohr Institute's Cosmic Dawn Center have determined that these black holes, much smaller than previously thought, are in the process of consuming gas, which creates immense heat and radiation, giving them their distinctive red appearance. This discovery sheds light on the formation of some of the universe's earliest black holes just 700 million years after the Big Bang.Jupiter's Role in Planetary EvolutionNew simulations indicate that Jupiter may contain up to 50% more oxygen than the Sun, providing fresh insights into how the planets in our solar system formed. By developing a comprehensive model of Jupiter's atmosphere, researchers have resolved a long-standing debate regarding the gas giant's chemical composition. The findings suggest that Jupiter's atmosphere circulates much more slowly than previously believed, which could alter our understanding of planetary migration and formation processes.Construction of Earth's Largest Gamma-Ray ObservatoryEngineers have officially begun construction on the Cherenkov Telescope Array Observatory, set to be the largest gamma-ray telescope ever built. Located in Chile's Atacama Desert, this observatory will significantly enhance our ability to study high-energy cosmic phenomena, such as black holes and supernovae. With over 60 telescopes across two sites, the observatory will allow astronomers to observe gamma rays with unprecedented accuracy, potentially unlocking new discoveries about dark matter and the fundamental laws of physics.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature JournalPlanetary Science JournalAdvances in Atmospheric SciencesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New study reveals little red dots in Webb images are young black holes(00:07:30) Jupiter may have 50% more oxygen than the Sun, reshaping planetary formation theories(00:15:45) Construction begins on the Cherenkov Telescope Array Observatory(00:22:00) New data confirms 2025 saw record ocean heat storage(00:25:30) Advances in autonomous driving technology showcased at CES 2026.

SpaceTime with Stuart Gary Gary - Series 29 Episode 8In this episode of SpaceTime, we investigate the surprising ways Mars influences Earth's climate, hear about the safe return of Crew 11 following the first emergency medical evacuation from the International Space Station, and explore a cosmic clock that reveals insights into Australia's geological history.Mars: A Climate InfluencerA new study has unveiled that the orbit of Mars can significantly impact Earth's climate, even triggering ice ages. Researchers from the University of California Riverside utilized computer simulations to demonstrate how Mars' gravitational pull alters Earth's orbit and affects long-term climatic cycles. The findings challenge previous assumptions about Mars' minimal influence and highlight the planet's role in shaping Earth's climatic patterns over millions of years.Crew 11's Safe ReturnNASA's SpaceX Crew 11 has successfully splashed down in the North Pacific Ocean after a historic emergency medical evacuation from the ISS. The crew's return, which occurred a month earlier than planned due to medical concerns, was marked by a brilliant display in the night sky as they descended. This marks a significant event in the history of human spaceflight, emphasizing the importance of health monitoring aboard the space station.Unveiling Australia's Geological HistoryScientists have discovered that the rare gas krypton can be used to unlock the secrets of Earth's ancient landscapes. By examining tiny zircon crystals found in ancient beach sands, researchers can gauge how long these minerals have been exposed at the surface, providing insights into erosion rates and potential mineral deposits. This groundbreaking research not only sheds light on the past but also has implications for future resource exploration in Australia.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of the Proceedings of the National Academy of SciencesAstronomical Society of the PacificNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New study shows how the orbit of Mars can affect climate here on Earth(00:05:52) NASA's SpaceX crew 11 safely returned to Earth after medical evacuation(00:08:17) SpaceX and NASA astronauts splashdown after 167 days in space(00:09:00) The crew were returning a month early due to medical concerns(00:10:46) Scientists use rare gas called krypton to study ancient Earth landscapes(00:23:05) New data from NASA shows 2025 was the second hottest year since records began(00:24:38) Some AI chatbots are reporting abuse and fear following interactions with humans

Sponsor Link:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereSpaceTime with Stuart Gary Gary - Series 29 Episode 7In this episode of SpaceTime, we delve into the intriguing possibilities surrounding the origins of life, including new findings from Saturn's moon Titan and the implications for our understanding of life beyond Earth. We also explore the latest research on Europa, one of Jupiter's moons, and uncover the sources of the sun's mysterious gamma rays.Life's Building Blocks on TitanA groundbreaking study reveals that Titan, Saturn's largest moon, exhibits unexpected chemical interactions at extremely low temperatures. Researchers found that hydrogen cyanide can mix with nonpolar substances like methane and ethane, challenging traditional chemistry principles. This discovery could provide insights into the prebiotic chemistry that may have preceded life on Earth, as Titan's environment mirrors that of early Earth.Europa's Quiet OceansIn a surprising turn, new calculations suggest that the vast subsurface ocean beneath Europa's icy crust may be lifeless. This research indicates that Europa lacks the geological activity, such as hydrothermal vents, necessary to sustain life. Lead author Paul Brian discusses how the moon's stable orbit around Jupiter limits the tidal forces that could drive geological processes, casting doubt on the moon's potential as a habitat for life.The Source of Solar Gamma RaysAstronomers have identified the origin of intense gamma radiation emitted during solar flares, linking it to high-energy electrons colliding with plasma in the solar corona. This finding, derived from observations of a significant solar flare in 2017, enhances our understanding of solar flare physics and could improve space weather forecasting.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of the Proceedings of the National Academy of SciencesNature CommunicationsNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Scientists studying Saturn's moon Titan have discovered that normally incompatible substances can mix(00:05:19) NASA will launch the Dragonfly mission to Titan in 2028(00:13:36) NASA's Europa Clipper spacecraft will study icy moon Europa(00:18:11) Astronomers have discovered that gamma rays generated by solar flares are caused by electrons(00:21:58) Most people who take diabetes drug Mounjaro gain weight back after stopping

Sponsor Links:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereSpaceTime with Stuart Gary Gary - Series 29 Episode 6In this episode of SpaceTime, we explore groundbreaking discoveries in astrophysics, including the confirmation of Betelgeuse's elusive companion star, a spectacular black hole event, and the BepiColombo spacecraft's approach to Mercury.Betelgeuse's Companion Star ConfirmedAstronomers have finally confirmed that the red supergiant star Betelgeuse has a companion star, named Saguara. Utilizing data from NASA's Hubble Space Telescope and ground-based observatories, researchers traced the influence of Saguara as it interacts with Betelgeuse's outer atmosphere. This discovery sheds light on the star's peculiar brightness variations and its eventual fate as it nears a supernova explosion, which could occur at any time in astronomical terms.A Black Hole's Powerful FeastIn a remarkable observation, astronomers witnessed a black hole shredding a massive star in what is described as the most powerful event of its kind ever recorded. Known as a gravitational tidal disruption event, this phenomenon released energy equivalent to 400 billion times that of our Sun, surpassing even the most energetic supernovae. The event, cataloged as AT 2024WPP, offers new insights into black hole behavior and the dynamics of stellar destruction.BepiColombo's Journey to MercuryThe BepiColombo spacecraft is nearing its orbit insertion around Mercury after a seven-year journey. Launched in 2018, this multi-spacecraft mission will study Mercury's surface, magnetic field, and interaction with solar activity. The mission consists of two orbiters that will work in tandem to gather comprehensive data about this enigmatic planet, promising to enhance our understanding of planetary formation and evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalMonthly Notices of the Royal Astronomical SocietyEuropean Space Agency ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

Sponsor Link:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereIn this episode of SpaceTime, we uncover new evidence suggesting that dark matter may interact with neutrinos, a revelation that could reshape our understanding of the universe. We also discuss a serious medical issue that has forced one of the crews aboard the International Space Station to return home early, and learn about the remarkable discovery that galaxies spin like clockwork.Dark Matter and Neutrinos: A Possible InteractionScientists are challenging the long-standing standard model of particle physics with new findings indicating that dark matter and neutrinos may interact. This groundbreaking research, reported in Nature Astronomy, provides a rare glimpse into the universe's hidden components. By analyzing data from both the early and late universe, researchers suggest that these elusive cosmic entities could influence the formation of galaxies and other structures, potentially addressing discrepancies observed in cosmological measurements.Medical Emergency Forces ISS Crew to Return EarlyNASA's SpaceX Crew 11 is returning to Earth ahead of schedule due to a medical concern involving one of the astronauts. While the situation is stable and not classified as an emergency, the decision was made to ensure the crew member receives comprehensive medical evaluation on the ground. This marks a historic moment, as it is the first time in 26 years of ISS operations that a medical issue has necessitated an early return.Galaxies Spin Like ClockworkRecent studies have confirmed that galaxies rotate approximately once every billion years, regardless of their size. This research, published in the Monthly Notices of the Royal Astronomical Society, reveals a consistent rotational pattern across different types of galaxies, enhancing our understanding of their mechanics and structure. The findings indicate that older stars exist even at the edges of galaxies, providing valuable insights into galactic formation and evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature AstronomyMonthly Notices of the Royal Astronomical SocietyBritish Medical JournalBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

SpaceTime with Stuart Gary Gary - Series 29 Episode 4In this episode of SpaceTime, we explore the latest revelations about supermassive black holes, the enigmatic interstellar comet 3I Atlas, and NASA's innovative tests on lunar surface interactions.Do All Galaxies Host Supermassive Black Holes?A groundbreaking study utilizing NASA's Chandra X-ray Observatory challenges the long-held belief that all galaxies harbor supermassive black holes at their centers. Analyzing data from over 1,600 galaxies, researchers discovered that only about 30% of dwarf galaxies contain these cosmic giants. The findings, published in the Astrophysical Journal, provide crucial insights into the formation of supermassive black holes and suggest that smaller galaxies may have significantly fewer black holes than their massive counterparts.No Evidence of Alien Intelligence from Comet 3I AtlasDespite sensational claims, a thorough investigation into the interstellar comet 3I Atlas has yielded no signs of extraterrestrial technology. Observations from the Green Bank Radio Telescope during the comet's closest approach revealed only radio frequency interference, dismissing earlier speculations of alien signals. The analysis reinforces the understanding that the comet's behavior aligns with natural phenomena, rather than advanced civilizations.NASA's Rocket Plume Studies on Lunar RegolithNASA is conducting new experiments to understand how rocket plumes interact with the lunar surface, crucial for future lunar landings. Using a sophisticated camera system, scientists are simulating rocket engine behavior in a vacuum chamber to analyze the impact of exhaust on lunar dust and rocks. The data collected will inform the design of landing systems for the Artemis missions and future Mars explorations, ensuring crew safety and mission success.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNASA ReportsJournal of Molecular and Cellular BiochemistryBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 4 for broadcast on 9 January 2026(00:00:47) Study reveals fewer supermassive black holes in smaller galaxies(00:12:30) No signs of alien technology from comet 3I Atlas(00:20:10) NASA's lunar regolith plume interaction tests(00:25:00) Science report: Microplastics and neurodegenerative diseases, dog ownership and community ties

SpaceTime with Stuart Gary Gary - Series 29 Episode 3In this episode of SpaceTime, we delve into the latest discoveries in astrophysics and the challenges faced by space agencies worldwide.Ancient Supernova Offers Clues to Dark EnergyAstronomers have made significant strides in understanding dark energy, the enigmatic force driving the universe's accelerated expansion. A newly observed supernova, located 10 billion light years away, has been gravitationally lensed by a foreground galaxy, allowing scientists to analyze multiple images of the same explosion. This phenomenon could help determine the Hubble constant, shedding light on the universe's expansion rate and its ultimate fate, which ranges from a Big Crunch to a Big Rip.Sterile Neutrino Hypothesis Nearly Ruled OutAfter over a decade of research, scientists have come close to ruling out the existence of the sterile neutrino, a proposed particle that could explain anomalous neutrino behavior. Data from the Micro BooNE experiment at Fermilab has shown no signs of sterile neutrinos, providing a pivotal moment in particle physics that narrows the search for new theories beyond the standard model.China's Reusable Rocket SetbackChina's efforts to develop a reusable rocket faced a significant blow as its Long March 12A failed on its maiden flight. Although the rocket's first and second stages performed as expected, the first stage failed to return successfully, highlighting the challenges in achieving reusability akin to SpaceX's Falcon 9. This setback underscores the competitive nature of the global space industry as China strives to enhance its capabilities.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical LettersNatureFermilab ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 3 for broadcast on 7 January 2026(00:00:47) Discovering dark energy through a unique supernova(00:12:30) Ruling out the sterile neutrino hypothesis(00:20:10) China's reusable rocket faces a major setback(00:25:00) Science report: Climate change impacts, endangered species, and digital privacy concerns

SpaceTime with Stuart Gary Gary - Series 29 Episode 2In this episode of SpaceTime, we explore the intriguing history of our galaxy and the secrets of Earth's early water retention.Unraveling the Milky Way's Chemical BimodalityA groundbreaking study suggests that the Milky Way's stellar formation and its unique chemical bimodality may stem from intergalactic gas rather than traditional star formation or galactic collisions. Researchers utilized advanced computer simulations to analyze the formation of 30 simulated galaxies, revealing that the Milky Way's distinct groups of stars, defined by their iron and magnesium content, can emerge through various mechanisms. This research not only enhances our understanding of the Milky Way's evolution but also challenges previous assumptions about the role of smaller galaxies in shaping its chemical structure.Earth's Mantle: A Reservoir of Ancient WaterNew findings indicate that Earth's mantle may have locked away vast amounts of water during the planet's formative magma ocean phase. Researchers discovered that bridgmanite, the most abundant mineral in the mantle, could store significant quantities of water, potentially equating to the volume of all today's oceans. This study reshapes our understanding of how water was retained during Earth's extreme early conditions and its role in the transition to a habitable planet. The implications of this research may provide insights into the geological processes that sustain Earth's dynamic environment.The Astronomy of Standing StonesReflecting on archaeological astronomy, we revisit a pivotal study that revealed how ancient standing stones in Britain were constructed with astronomical alignments in mind. This research confirms that the earliest stone monuments, including the Great Circles of Scotland, were intentionally oriented to mark the movements of the sun and moon. By examining the patterns of alignment, researchers established a connection between these ancient structures and the cultural significance of celestial events, illustrating the sophisticated understanding early Britons had of their environment and the cosmos.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyJournal of ScienceJournal of Archaeological Science ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 2 for broadcast on 5 January 2026(00:00:47) New study on the Milky Way's chemical bimodality(00:12:30) How bridgmanite in Earth's mantle may have stored ancient water(00:20:10) The astronomical significance of ancient standing stones in Britain(00:25:00) Science Robert: Sleep apnea linked to Parkinson's disease and more news in science

SpaceTime with Stuart Gary Gary - Series 29 Episode 1In this episode of SpaceTime, we delve into extraordinary cosmic phenomena and the ongoing exploration of our solar system.Cosmic Matter Ejected at 20% the Speed of LightAstronomers have made a groundbreaking observation of matter being ejected from a supermassive black hole at the center of the barred spiral galaxy NGC 3783, located 135 million light years away. This matter, propelled at an astonishing 20% the speed of light, challenges previously held notions about how such superluminal jets are powered. The findings suggest that a sudden change in the magnetic field, rather than radiation, may be responsible for this high-speed outburst, providing new insights into the mechanisms of black hole dynamics and their impact on galactic evolution.Wind-Sculpted Landscapes on MarsNASA's Perseverance Rover continues its exploration of Mars, focusing on megaripples—large sand formations shaped by wind. These megaripples, some reaching up to 2 meters in height, offer scientists a unique opportunity to study current Martian atmospheric processes. As the rover investigates the Honeyguide region, researchers hope to gain insights into the planet's wind patterns and surface chemistry, which will be crucial for future human missions to Mars.Potential Ocean Beneath Uranus's Moon ArielNew research suggests that Uranus's moon Ariel may harbor a vast subsurface ocean, potentially more than 170 kilometers deep. This discovery, reported in the journal Icarus, highlights Ariel's unique geological features and raises questions about its past interior structure and orbital dynamics. The study indicates that understanding Ariel's ocean could provide crucial context for the moon's surface fractures and cryovolcanic activity, emphasizing the need for future missions to the Uranian system to confirm these findings.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and AstrophysicsIcarusNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 1 for broadcast on 2 January 2026(00:00:47) Cosmic matter ejected from supermassive black hole(00:12:30) Perseverance Rover studies wind-sculpted megaripples on Mars(00:20:10) Evidence of a subsurface ocean beneath Uranus's moon Ariel(00:25:00) Skywatch: January night sky highlights and celestial events

SpaceTime with Stuart Gary - Series 28 Episode 154In this episode of SpaceTime, we explore significant milestones in lunar exploration and the latest challenges in space technology.Accelerated Launch for Artemis 2NASA has moved up the launch date for the historic Artemis 2 manned moon mission to early February, marking the first human journey to the moon in over 50 years since Apollo 17. The Orion spacecraft, named Integrity, will embark on a 10-day mission, completing a free return trajectory around the moon. This episode discusses the mission's objectives, including in-space demonstrations and the deployment of five cubesats, as well as the importance of this mission for future lunar exploration and potential Mars missions.New Insights from Lunar Rock SamplesRecent studies of lunar rock samples have revealed a new timeline for lunar impacts, pushing back the history of Earth's nearest celestial neighbour by 300 million years. The Apollo 17 rock sample, known as 76535, has provided crucial insights into the moon's formation and its geological history. Advanced computer simulations suggest that the impact that formed the Serenitatis Basin may have brought this rock to the surface, reshaping our understanding of the moon's bombardment history and its implications for Earth.Japan's H3 Rocket FailureThe Japan Aerospace Exploration Agency (JAXA) has faced a setback with the failure of its new H3 rocket during a satellite launch. This follows a previous failure during its maiden flight. The H3 rocket, designed to replace the H2, aims to enhance Japan's capabilities in the global space market but has encountered significant technical challenges.www.spacetimewithstuartgary.com✍️ Episode ReferencesGeophysical Research LettersNASA ReportsJAXA UpdatesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 154 for broadcast on 31 December 2025(00:00:47) NASA accelerates Artemis 2 moon mission launch(00:12:30) New lunar rock samples shift timeline of impacts(00:20:10) Japan's H3 rocket fails to deploy satellite(00:25:00) Study reveals links between social media use and cognitive performance in children(00:27:30) Coffee and tea's effects on bone health in older women

SpaceTime with Stuart Gary Gary - Series 28 Episode 153In this episode of SpaceTime, we dive into thrilling new missions and groundbreaking discoveries in the universe.Ramses Mission to Asteroid ApophisThe European Space Agency has greenlit an exciting new mission to study the infamous doomsday asteroid Apophis. The Ramses spacecraft will closely observe the 450-meter-wide asteroid as it makes a close flyby of Earth on April 13, 2029, at a mere 32,000 kilometers away—closer than many satellites. Initially feared to be on a collision course with Earth, further observations have since ruled out the threat of impact. However, the Ramses mission aims to understand how Earth's gravitational forces might affect Apophis during this close encounter, potentially setting the stage for future impacts. The spacecraft will deploy smaller probes to monitor changes in Apophis's orbit, rotation, and surface, providing vital data for planetary defense and insight into the evolution of asteroids.Solving the Mystery of ExistenceIn a groundbreaking study, scientists at CERN have made strides in explaining the universe's existence by observing a slight imbalance in the behavior of matter and antimatter. This charge parity (CP) violation suggests that a tiny difference favored matter over antimatter during the Big Bang, allowing the universe to evolve into its current state. The findings, based on 80,000 decays of the Lambda beauty particle, indicate a significant deviation that could reshape our understanding of the cosmos.The Largest Planetary Nursery Ever SeenAstronomers have discovered the largest planetary nursery ever observed, located in a massive protoplanetary disk around a young star. This chaotic environment, cataloged as IRAS230776707, spans an astonishing 650 billion kilometers and showcases intricate structures that hint at the complex processes of planet formation. The observations, made using NASA's Hubble Space Telescope, reveal a unique perspective on how planetary systems may develop in extreme conditions, raising new questions about the dynamics shaping these disks.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNatureCERN ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 153 for broadcast on 29 December 2025(00:00:47) ESA's Ramses mission to study asteroid Apophis(00:12:30) CERN's discovery of matter-antimatter imbalance(00:20:10) Astronomers observe the largest protoplanetary disk ever found(00:25:00) New insights into sleep apnea and mental health risks(00:28:30) Potential discovery of a new ancient human species

In this episode of SpaceTime, we uncover groundbreaking astronomical events and the latest advancements in space exploration.First Ever Super Kilonova DetectedAstronomers have made a significant discovery with the potential detection of the first ever super kilonova explosion. This extraordinary event, cataloged as AT 2025ULZ, is believed to have been triggered by a double supernova explosion, producing both gravitational waves and electromagnetic radiation. Lead author Manzi Kasliwal from Caltech's Palomar Observatory discusses how this unique phenomenon could reshape our understanding of stellar evolution and the formation of heavy elements in the universe. With only one confirmed kilonova event to date, this new discovery presents an exciting opportunity to explore the complexities of cosmic explosions.Blue Ghost 2 Spacecraft Shake TestFirefly Aerospace's Blue Ghost Mission 2 spacecraft has undergone rigorous shake testing at NASA's Environmental Test Laboratory. This critical assessment simulates the intense vibrations and acoustics experienced during launch, ensuring the spacecraft can withstand the harsh conditions of a rocket ascent. JPL engineer Michael Williams explains the importance of these tests in preparing spacecraft for successful missions, as the Blue Ghost 2 aims to deliver multiple payloads to the lunar far side next year.Shenzhou 20 Capsule Returns SafelyChina's Shenzhou 20 spacecraft has successfully completed an unmanned return to Earth after sustaining damage from space debris. Initially intended to bring a crew of Tigernauts back home, mission managers opted for a safe return without the crew due to concerns over a crack in the capsule's viewport. This decision highlights the importance of safety in space missions, while also providing valuable data for future flights.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersNASA ReportsNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 152 for broadcast on 26 December 2025(00:00:47) Astronomers detect what could be the first ever super kilonova explosion(00:15:30) Firefly Aerospace's Blue Ghost 2 spacecraft undergoes shake testing at NASA's JPL(00:20:10) China's Shenzhou 20 capsule returns safely to Earth after damage from space debris(00:25:00) New study reveals the benefits of swearing during physical exertion

In this episode of SpaceTime, we explore significant advancements in space exploration and innovative scientific projects.Perseverance Rover's New JourneyAfter nearly five years on Mars, NASA's Perseverance Rover is on the move again, heading to a new site on the rim of Jezero Crater named Lac du Charm. Having traversed over 40 kilometres and collected vital rock core samples, the rover is undergoing extensive evaluations to ensure its longevity, with engineers confident it can operate until at least 2031. We discuss the rover's advanced autonomous driving capabilities and its mission to uncover signs of past microbial life.Fashion Meets Science: Microbial FabricsA groundbreaking project is set to merge fashion and science by sending specially designed fabrics made from bacteria into space. These innovative materials will change colour in response to radiation exposure, potentially protecting astronauts from harmful levels of UV radiation and offering new applications for skin cancer prevention on Earth. Lead researcher Giles Ballet shares insights into how this technology could revolutionise both space exploration and everyday fashion.Expedition 73 Crew ReturnsThe Expedition 73 astronauts have safely returned to Earth after an eight-month mission aboard the International Space Station. Their journey has contributed to over 250 experiments, including advancements in bioprinting and remote robotic operations. We also discuss the implications of recent challenges faced by Russia's manned space program.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of ScienceNASA ReportsNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 151 for broadcast on 24 December 2025(00:00:47) NASA's Perseverance Rover begins a new journey on Mars(00:12:30) Innovative microbial fabrics set to be tested in space(00:19:15) Expedition 73 crew returns safely to Earth after eight months in orbit(00:24:05) New study suggests humans have been using fire for 400,000 years(00:27:30) Technology tips for buying the right printer for your needs

SpaceTime with Stuart Gary Gary - Series 28 Episode 150In this episode of SpaceTime, we delve into intriguing discoveries and ongoing challenges in the realm of astrophysics and planetary science.Cosmic Dance of Dying StarsAstronomers have made fascinating observations of a unique star system named Apep, located over 8,000 light years away in the constellation Norma. This rare system consists of three massive stars locked in a 190-year orbit, creating stunning spirals of cosmic dust. Using the advanced capabilities of NASA's Webb Space Telescope and the Very Large Telescope in Chile, researchers captured extraordinary images revealing four distinct dust shells spiraling outward from the stars. Lead author Ryan White from Macquarie University discusses how these findings enhance our understanding of stellar interactions and the evolution of massive stars over time.Titan's Liquid Ocean: A New PerspectiveA recent study challenges the long-held belief that Saturn's largest moon, Titan, harbors a vast underground ocean. Instead, researchers suggest that Titan may have a more complex internal structure characterized by slushy tunnels and pockets of meltwater rather than a global liquid water ocean. This revelation, based on a reanalysis of data from NASA's Cassini mission, could have significant implications for the search for potential life on Titan, indicating that any existing life forms might inhabit a more confined environment with concentrated nutrients.NASA's MAVEN: Communication ChallengesMission managers at NASA are working diligently to restore contact with the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft, which went silent during a routine pass behind Mars on December 6. Engineers are analyzing data from before the loss of signal to identify the cause and determine if the spacecraft can be salvaged. MAVEN has been crucial for studying Mars' atmosphere and has served as a vital communications relay for surface missions.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNatureNASA TVBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is space time series 28 episode 150 for broadcast on 22nd December 2025(00:00:47) NASA's Webb Space Telescope reveals four spectacular dust shells from distant star system(00:10:58) New study says Titan probably doesn't have a vast underground liquid water ocean(00:15:57) NASA mission managers continue efforts to restore contact with missing maven spacecraft(00:18:36) New study finds shared genetic patterns across 14 common psychiatric disorders(00:20:56) A new study claims acupuncture treatment for lower back pain reduces pain

In this episode of SpaceTime, we uncover groundbreaking discoveries and exciting celestial events that illuminate our understanding of the universe.Earliest Supernova Ever DetectedAstronomers have achieved a remarkable milestone by detecting the earliest supernova ever observed, dating back to a mere 730 million years after the Big Bang. Using the powerful Webb Space Telescope, this supernova, cataloged as GRB250314A, emitted a gamma ray burst that has shattered previous distance records. Lead author Andrew Levin shares insights into how this discovery provides a glimpse into the universe when it was only 5% of its current age, revealing surprising similarities with modern supernovae despite the vast differences in their epochs.Liquid Water on Mars: New EvidenceNew seismic data from NASA's Mars InSight lander suggests that liquid water could still exist beneath the Martian surface, potentially providing a habitat for microbial life. The analysis of marsquakes has revealed boundaries in the Martian crust that indicate the presence of water-filled cracks, offering compelling evidence that life may persist on the Red Planet. We discuss the implications of these findings and the methodologies used to analyze the Martian subsurface.The Great Geminids Meteor Shower of 2025The annual Geminid meteor shower is reaching its peak, presenting stargazers with the chance to witness up to 100 meteors per hour under optimal conditions. Unlike many meteor showers that originate from comets, the Geminids are unique as they come from the asteroid 3200 Phaethon. Dr. Robert Massey provides tips on how to best observe this spectacular celestial event, emphasizing the importance of dark skies and the naked eye for optimal viewing.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and AstrophysicsBritish Medical JournalNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New clues suggest that liquid water could still exist on Mars today(00:00:48) Astronomers have detected the earliest supernova ever seen using the Webb Space Telescope(00:05:10) New study based on seismic data suggests liquid water may still exist on Mars(00:09:12) The Geminids are visible between now and December 20th(00:13:10) New study finds coffee may slow down biological aging of people with mental illnesses

SpaceTime with Stuart Gary Gary - Series 28 Episode 147In this episode of SpaceTime, we delve into remarkable discoveries that significantly enhance our understanding of the cosmos.Longest Gamma Ray Burst Ever DetectedAstronomers have made headlines with the discovery of the longest gamma ray burst ever recorded, GRB 250702B, which lasted over seven hours. This unprecedented event is reshaping our understanding of stellar explosions and their aftermath. Initial observations indicate that this extraordinary burst may have originated from a black hole consuming a star, prompting new theories about the mechanisms behind these powerful cosmic phenomena. We explore the implications of this finding and how it challenges existing models of gamma ray bursts.Elemental Bounty in Supernova RemnantFor the first time, scientists have detected chlorine and potassium in the remnants of the supernova Cassiopeia A, utilizing the advanced capabilities of the CRISM spacecraft. This discovery sheds light on the elemental processes that occur during stellar explosions and their connection to the formation of elements crucial for life on Earth. We discuss the significance of these findings and their impact on our understanding of stellar nucleosynthesis.International Space Station Fully OccupiedIn a historic first, the International Space Station has reached full capacity, with all eight of its docking ports in use. We discuss the implications of this milestone, including the logistics of managing multiple spacecraft and the ongoing missions currently underway aboard the ISS.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyAstrophysical Journal LettersNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is space Time Series 28, Episode 147 full broadcast on 17 December 2025(00:00:47) Astronomers have detected the longest gamma ray burst ever detected(00:11:11) Astronomers have detected chlorine and potassium in a supernova remnant(00:18:27) International Space Station is fully occupied with all eight docking ports now in use(00:20:05) New study claims flavonoids may help improve insulin resistance(00:24:58) You're a multiple award winner. You've won in creative writing and controversy(00:26:05) Space Time is available every Monday, Wednesday and Friday through bitesz. com

In this episode of SpaceTime, we explore significant developments in space exploration and cosmic studies that could reshape our understanding of the universe.Nasa's MAVEN Mars Orbiter: Communication LossNASA's MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has gone silent, with contact lost on December 6th after passing behind Mars. The orbiter has been a vital asset for over a decade, studying the Martian atmosphere and solar wind interactions that have transformed Mars from a water-rich world to a cold desert. We delve into MAVEN's critical findings, including the mechanisms of atmospheric escape and the implications of its potential loss for ongoing Martian research.Galactic Neighbourhoods: Influencing EvolutionA new study reveals how a galaxy's local environment can significantly affect its evolution. The research, published in the Monthly Notices of the Royal Astronomical Society, demonstrates that galaxies situated in densely populated regions tend to grow more slowly and develop different structures compared to their isolated counterparts. By analysing data from the Deep Extragalactic Visible Legacy Survey, astronomers have gained insights into the complex dynamics of galactic interactions and their impact on star formation rates.Uranus and Neptune: More Richie than Icy?Challenging long-held classifications, a recent study suggests that the solar system's ice giants, Uranus and Neptune, may actually be more rocky than icy. Researchers from the University of Zurich conducted computer simulations that indicate a broader range of internal compositions for these planets, which could explain their complex magnetic fields. This new perspective could alter our understanding of planetary formation and evolution, paving the way for future explorations of these distant worlds.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyNASA TVBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we tackle some of the most intriguing cosmic mysteries and discoveries that could reshape our understanding of the universe.Unraveling Uranus: The Mystery of Its Radiation BeltsFor 39 years, the intense electron radiation belts surrounding Uranus have puzzled scientists since NASA's Voyager 2 flyby in 1986 revealed unexpectedly high levels of radiation. New analyses suggest these findings may be explained by a solar wind structure interacting with the Uranian system during Voyager 2's visit. This research opens up new questions about the fundamental physics governing these extreme energy levels and the unique characteristics of Uranus itself.Mapping Martian River Systems: A Historic FirstA groundbreaking study has mapped ancient river systems on Mars, identifying 16 large drainage basins that could have supported life billions of years ago. By synthesizing previous data on Martian river valleys, lakes, and canyons, scientists have outlined how these systems could have formed a global network, similar to Earth's most biodiverse river basins. This research enhances our understanding of Mars' geological history and its potential for past life.2026 Australasian Sky Guide ReleasedThe 2026 Australasian Sky Guide has officially been released, offering skywatchers a detailed monthly map of celestial events. Highlights include supermoons, planetary alignments, and eclipses, providing an exciting year ahead for astronomy enthusiasts. Dr. Nick Glom shares insights into the guide's features and the astronomical events to look forward to in the coming year.www.spacetimewithstuartgary.com✍️ Episode ReferencesProceedings of the National Academy of SciencesCommunications Earth and EnvironmentBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Scientists may have finally resolved 39 year old mystery about Uranus radiation belts(00:03:55) A new study has begun the task of mapping ancient river systems on Mars(00:08:06) The 2026 Australasian Sky Guide has just been released(00:10:23) The book tells readers what's up in the sky for each month(00:11:39) Total eclipse of the moon in March is spectacular and easy to photograph(00:14:22) A new study suggests volcanic activity may have paved the way for the Black Death(00:15:37) A new study claims people who want children are more likely to find older faces attractive(00:17:33) Tim Mendham warns about the dangers of taking medical advice on social media(00:20:08) Spacetime is available through bitesz.com and other podcasting platforms

SpaceTime with Stuart Gary - Series 28 Episode 145In this episode of SpaceTime, we explore groundbreaking discoveries that deepen our understanding of the origins of life and the dynamics of our galaxy.Sugars and Stardust: Insights from Asteroid BennuNASA's Osiris Rex mission has returned samples from the asteroid Bennu, revealing the presence of biologically essential sugars, including ribose and glucose, along with a unique gum-like substance never before seen in astromaterials. These findings, published in Nature Geoscience and Nature Astronomy, suggest that the building blocks for life were widespread throughout the early solar system. The discovery of ribose supports the RNA world hypothesis, indicating that RNA might have been the first genetic material. Additionally, the presence of glucose hints at the early energy sources available for life on Earth.Stars Defying the Black HoleAstronomers have observed numerous stars in stable orbits around Sagittarius A, the supermassive black hole at the center of our galaxy. This discovery, reported in Astronomy and Astrophysics, challenges previous assumptions that these objects were merely clouds of dust on a collision course with destruction. Instead, the new data from the ERIS Enhanced Resolution Imager and Spectrograph reveals a dynamic and stable environment around the black hole, providing a unique laboratory for studying interactions between black holes and stars.Martian Mystery Solved?A new radar technique employed by NASA's Mars Reconnaissance Orbiter has cast doubt on the existence of a suspected underground lake beneath the Martian South Pole ice cap. Initial signals that suggested the presence of liquid water have been reinterpreted as possibly being layers of rock and dust. This innovative approach opens new avenues for investigating subsurface resources on Mars, which could have significant implications for future exploration.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature GeoscienceNature AstronomyAstronomy and AstrophysicsGeophysical Research LettersBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Galactic Tug-of-War: The Small Magellanic Cloud's Struggle Against Gravitational Forces (00:00:46) One of our nearest neighbouring galaxies being torn apart (00:08:00) A giant spider on the Jovian Ice Moon Europa (00:12:23) Mars could have been habitable for long periods (00:14:14) The Science Report (00:17:23) Skeptics guide to why some people are born suckers (00:20:24) Episode Wrap In this episode of SpaceTime, we delve into fascinating cosmic phenomena and groundbreaking discoveries that could reshape our understanding of the universe.The Small Magellanic Cloud: A Galaxy Under DuressAstronomers have uncovered that the Small Magellanic Cloud, a nearby dwarf galaxy, is being torn apart by gravitational forces from its neighbor, the Large Magellanic Cloud. This revelation, published in the Astrophysical Journal Letters, highlights the complex movements of Cepheid variable stars within the galaxy, indicating that it is being stretched in multiple directions. By utilizing data from the European Space Agency's Gaia satellite, researchers have gained unprecedented insights into the interactions between these two galaxies, prompting a reevaluation of their structural dynamics and gravitational relationships with the Milky Way.Europa's Spider: Signs of Subsurface Water?A striking spider-like feature on Jupiter's moon Europa has scientists buzzing with excitement. Researchers suggest this formation, found near the Menanan impact crater, may be evidence of subsurface water seeping through the moon's icy crust following an asteroid impact. The findings, reported in the Planetary Science Journal, could have significant implications for the moon's habitability and the presence of life. By drawing parallels with similar features on Mars, scientists are eager to explore Europa's subsurface properties further, especially with the upcoming Europa Clipper mission set to launch in April 2030.Mars: A Longer Habitable History?New research indicates that Mars may have been habitable for a much longer duration than previously believed. A study published in the Journal of Geophysical Research Planets reveals that ancient underground water may have flowed beneath the Martian sand dunes, creating conditions conducive to life long after its surface water disappeared. This discovery not only enhances our understanding of Mars' geological history but also highlights the potential of subsurface environments as targets for future exploration in the search for past life.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersPlanetary Science JournalJournal of Geophysical Research PlanetsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we explore groundbreaking discoveries and intriguing phenomena from Mars to the depths of space.Lightning Strikes on Mars: A Historic DiscoveryNASA's Perseverance Rover has made a remarkable find by detecting lightning in the Martian atmosphere for the first time. Recorded within two dust devils in Jezero Crater, the rover's Supercam microphone captured electromagnetic and acoustic signals indicative of electrical discharges. This discovery not only confirms long-held theories about Martian electrical activity but also reveals significant implications for the planet's atmospheric chemistry and potential hazards for future missions.NASA's Observations of Interstellar Comet 3I AtlasFollowing the European Space Agency's observations, NASA has released stunning images of interstellar comet 3I Atlas. As the comet passed close to Mars, NASA's MAVEN and Mars Reconnaissance Orbiter provided crucial data on its trajectory and chemical composition. These insights are helping astronomers piece together the comet's journey and origins, revealing potential clues about water in other star systems.Moss in Space: Resilience Against the VoidA new study has shown that moss can survive the harsh conditions of space for up to 15 years. Researchers sent moss spores to the International Space Station, where they thrived despite exposure to the vacuum and extreme temperatures. This remarkable resilience could have implications for understanding life's potential to endure in extreme environments beyond Earth.Skywatch: December HighlightsAs the December solstice approaches, we take a look at the night sky's highlights, including the Geminids meteor shower and the ticking time bomb of Eta Carina. We also discuss the significance of the December solstice and the celestial events that define this time of year.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of NatureNASA ReportsJournal of Eye ScienceBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) NASA's Mars Perseverance Rover has captured evidence of electrical discharges(00:03:47) NASA publishes its own observations of the Interstellar Comet 3I Atlas(00:07:26) Moss spores survive exposure to vacuum of space for up to 15 years(00:09:40) The December solstice marks the beginning of winter in both hemispheres(00:11:54) Axial precession causes a slow and continuous change in Earth's rotational axis(00:15:11) Astronomers describe stars in terms of spectral types based on temperature and characteristics(00:19:04) Two blue stars nearing end of their lives before exploding massive core collapse supernovae(00:24:23) Just above the horizon is the constellation of Orion the Hunter(00:34:04) Canopus talks about the effect of the Moon on stargazing(00:37:03) The Southern Cross starts near the celestial equator and wanders far south(00:39:06) There are two star clusters that we speak about quite often on the show(00:41:50) The only planet that's up in the early evening is Saturn

(00:00:00) Theia Unveiled: Tracing the Origins of Earth's Moon and Lucy's Journey to Jupiter's Trojans (00:00:50) New study claims Theia and Earth were once neighbours (00:06:16) Lucy's mission to Jupiter's trojan asteroids (00:15:26) Starliner's next mission to be limited to cargo only (00:17:57) The Science Report (00:23:17) Alex on Tech: Dooms Day clock countdown to Digital ID In this episode of SpaceTime, we dive into the intriguing origins of our Moon and the latest developments in space exploration.Theia: The Lost Planet Behind the Moon's BirthA groundbreaking study reveals that Theia, the small planet believed to have collided with Earth to form the Moon, originated from the inner solar system. Researchers from the Max Planck Institute and the University of Chicago have analyzed isotopic compositions of Earth and Moon rocks, suggesting that Theia was likely composed of materials found closer to the Sun than Earth's orbit. This discovery sheds light on the nature of this celestial body and its dramatic impact on our planet's history.Lucy Mission Update: Journey to Jupiter's TrojansNASA's Lucy spacecraft, launched in October 2021, is on an ambitious 12-year mission to explore Jupiter's Trojan asteroids. These ancient remnants from the solar system's formation are crucial for understanding planetary development. Lucy will visit seven asteroids, including both leading and trailing Trojan swarms, providing unprecedented insights into the early solar system. Principal Investigator Hal Levison emphasizes that the mission will revolutionize our understanding of planetary formation and the origins of volatiles and organics on terrestrial planets.Starliner Mission Limited to CargoIn a significant setback, NASA has announced that Boeing's Starliner spacecraft will only carry cargo on its next mission to the International Space Station. This decision follows a series of technical issues that plagued Starliner's previous flights. With the total number of planned missions reduced from six to four, NASA aims to ensure safety and reliability before allowing crewed flights again.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of ScienceNASA ReportsMax Planck Institute StudiesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we explore groundbreaking advancements in our understanding of the universe and the challenges faced in space exploration.Detecting Dark Matter: A Major BreakthroughAfter nearly a century of speculation, scientists may have finally detected dark matter. A report in the Journal of Cosmology and Astroparticle Physics reveals that gamma rays emitted from dark matter particle collisions have been observed using NASA's Fermi Gamma Ray Space Telescope. This discovery aligns with predictions about dark matter's existence and could signify a new particle not included in the current standard model of particle physics. If confirmed, this finding would represent one of the most significant developments in astronomy and physics to date.CHEOPS Spacecraft Nears MilestoneThe European Space Agency's CHEOPS (Characterizing Exoplanet Satellite) is approaching another milestone as it enters its sixth year of a mission initially planned for three and a half years. Launched in December 2019, CHEOPS aims to determine the size and characteristics of known exoplanets. With its 30-centimeter optical telescope, the spacecraft has been crucial in observing transiting exoplanets and will now extend its search to include exomoons, enhancing our understanding of planetary systems beyond our own.Disaster at Baikonur CosmodromeA major disaster struck at the Baikonur Cosmodrome during the launch of the Soyuz MS.28 spacecraft to the International Space Station. The mobile service platform collapsed due to the rocket's exhaust plume, resulting in significant damage to the launch pad. This incident leaves Russia without a functional facility for manned space missions for the first time in 60 years, delaying upcoming launches and posing challenges for future missions.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of Cosmology and Astroparticle PhysicsEuropean Space Agency ReportsNASA News ReleasesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we delve into the latest discoveries and challenges in space exploration and Earth science.Tracking Interstellar Comet 3I Atlas from MarsThe European Space Agency has successfully monitored interstellar comet 3I Atlas from its ExoMars Trace Gas Orbiter, significantly improving the accuracy of its predicted trajectory by a factor of ten. The comet, which travels at speeds of up to 250,000 km/h, was observed from a unique vantage point, allowing astronomers to refine its path through our solar system. This remarkable achievement underscores the importance of multi-location observations in planetary defense efforts.Geomagnetic Superstorm Ganon's Impact on Earth's Plasma SphereA recent study reveals how the geomagnetic superstorm Ganon dramatically compressed Earth's plasmasphere, reducing its size to just a fifth of its normal extent. This event, which occurred in May 2024, provides crucial insights into the effects of extreme space weather on our planet's protective layers. The findings will enhance solar storm forecasts and help safeguard satellites and communication systems during such events.Delays for the Dream Chaser SpaceplaneSierra Space's Dream Chaser spaceplane faces further delays, now expected to launch its first orbital flight in approximately a year. Originally designed for crew transport, the spacecraft is now slated for resupply missions to the International Space Station. Despite setbacks, recent tests have demonstrated its systems' readiness for future operations, although challenges remain as the ISS's operational life nears its end.www.spacetimewithstuartgary.com✍️ Episode ReferencesEarth Planets and Space JournalJournal of the American Chemical SocietyNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Cosmic Speedsters: Unravelling Our Solar System's Surprising Velocity and Enceladus' Organic Secrets (00:00:46) Our solar system is moving faster than expected (00:04:38) Organic molecules discovered erupting from Saturn's moon Enceladus (00:08:29) A new satellite launched to study Earth's oceans (00:13:49) The Science Report (00:15:52) Alex on Tech In this episode of SpaceTime, we uncover groundbreaking insights into Earth's mysteries and the cosmos beyond.Mysterious Structures in Earth's MantleA new study reveals that enigmatic structures within Earth's mantle may hold vital clues about why our planet evolved the conditions necessary for life. These massive formations, known as large low shear velocity provinces and ultra low velocity zones, reside at the boundary between the mantle and outer core, approximately 2,900 kilometres beneath the surface. The research suggests these anomalies could be remnants of Earth's formative processes, providing a deeper understanding of how elements from the core influenced the planet's cooling, volcanic activity, and atmospheric evolution, ultimately setting Earth apart from Venus and Mars.Unprecedented View of the Milky WayAstronomers have achieved a remarkable new perspective of our home galaxy, the Milky Way, with the largest low-frequency radio image ever assembled. This extensive survey, conducted using the Murchison Wide Field Array radio telescope in Western Australia, captures the intricate birth, evolution, and demise of stars across the southern hemisphere. The new image, which boasts double the resolution and tenfold sensitivity compared to previous observations, offers valuable insights into stellar interactions and the cosmic landscape, revealing patterns in star formation and supernova remnants.Successful Return of Stranded TaikonautsIn a significant development, the three Chinese taikonauts stranded in orbit after their Shenzhou 20 spacecraft was struck by space debris have safely returned to Earth aboard the Shenzhou 21 capsule. The crew's return marks the end of a six-month mission at the Tiangong space station, with their extended stay setting a new record for the longest duration in space for Chinese astronauts. The episode highlights the challenges of space travel and the rapid response by Beijing to ensure crew safety.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature GeosciencePublications of the Astronomical Society of AustraliaNew England Journal of MedicineBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Cosmic Clues Beneath Us: The Mantle's Role in Life and the Milky Way Unveiled (00:00:47) Mysterious structures within Earth's mantle may hold clues to life (00:05:05) A new unprecedented view of the Milky Way Galaxy (00:12:36) Stranded Chinese taikonauts return safely to Earth (00:14:21) The Science Report (00:16:58) Skeptics guide to the return of the haunted doll. In this episode of SpaceTime, we uncover groundbreaking insights into Earth's mysteries and the cosmos beyond.Mysterious Structures in Earth's MantleA new study reveals that enigmatic structures within Earth's mantle may hold vital clues about why our planet evolved the conditions necessary for life. These massive formations, known as large low shear velocity provinces and ultra low velocity zones, reside at the boundary between the mantle and outer core, approximately 2,900 kilometres beneath the surface. The research suggests these anomalies could be remnants of Earth's formative processes, providing a deeper understanding of how elements from the core influenced the planet's cooling, volcanic activity, and atmospheric evolution, ultimately setting Earth apart from Venus and Mars.Unprecedented View of the Milky WayAstronomers have achieved a remarkable new perspective of our home galaxy, the Milky Way, with the largest low-frequency radio image ever assembled. This extensive survey, conducted using the Murchison Wide Field Array radio telescope in Western Australia, captures the intricate birth, evolution, and demise of stars across the southern hemisphere. The new image, which boasts double the resolution and tenfold sensitivity compared to previous observations, offers valuable insights into stellar interactions and the cosmic landscape, revealing patterns in star formation and supernova remnants.Successful Return of Stranded TaikonautsIn a significant development, the three Chinese taikonauts stranded in orbit after their Shenzhou 20 spacecraft was struck by space debris have safely returned to Earth aboard the Shenzhou 21 capsule. The crew's return marks the end of a six-month mission at the Tiangong space station, with their extended stay setting a new record for the longest duration in space for Chinese astronauts. The episode highlights the challenges of space travel and the rapid response by Beijing to ensure crew safety.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature GeosciencePublications of the Astronomical Society of AustraliaNew England Journal of MedicineBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Exploring Mars and Beyond: The Escapade Mission and the Expanding Mysteries of the Pleiades (00:00:43) NASA's ESCAPADE mission to Mars blasts off (00:10:00) The Pleiades prove to be far bigger than thought (00:14:05) Ending the debate over interstellar comet 3I-Atlas (00:17:05) The Science Report (00:19:39) Skeptics guide to talking to plants. In this episode of SpaceTime, we explore the latest advancements in space exploration and cosmic discoveries that deepen our understanding of the universe.NASA's Escapade Mission Launches to MarsNASA has successfully launched its first dual satellite mission to Mars, the Escapade spacecraft, aboard Blue Origin's New Glenn rocket. This innovative mission aims to map the Martian magnetic field and atmosphere in three dimensions, providing crucial insights into how Mars lost its atmosphere and the conditions necessary for future human colonization. The twin probes, named Blue and Gold, will utilize a unique trajectory that allows for flexible launch windows, crucial for future resupply missions to Mars.The Pleiades Star Cluster: A Greater Cosmic StructureNew research has revealed that the Pleiades star cluster is significantly larger than previously thought, forming the core of an expansive stellar complex that spans nearly 2,000 light years. This groundbreaking study combines data from multiple space missions, providing a clearer picture of the Pleiades' origins and its connection to other stellar groups, reshaping our understanding of star formation and migration across the galaxy.Debate Over Interstellar Comet 3I Atlas ContinuesThe ongoing debate regarding the origins of interstellar comet 3I Atlas is addressed, as evidence increasingly supports its classification as a comet rather than an alien spacecraft. This segment explores the comet's characteristics, trajectory, and the scientific explanations behind its unusual features, reaffirming its status as a natural celestial object.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNASA ReportsUniversity of California ResearchBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we delve into remarkable discoveries that illuminate the origins of our planet and the cosmos beyond.Ancient Australian Rocks Shed Light on Earth's OriginsScientists have made significant strides in understanding the formation of Earth and the Moon through the analysis of 3.7 billion-year-old feldspar crystals from the Murchison region in Western Australia. This research reveals that continental growth began relatively late in Earth's history, around three and a half billion years ago, suggesting a shared composition between Earth and the Moon following a colossal impact event. The findings challenge existing theories about the timing of crustal development and provide new insights into the early geological processes that shaped our planet.Hints of a Possible Fifth Force in NatureA groundbreaking report has emerged, suggesting the potential existence of a fifth fundamental force of nature. Researchers have observed unexpected deviations in electron transitions among calcium isotopes, hinting at a new particle, the Yukawa boson. This discovery could reshape the standard model of particle physics and deepen our understanding of the universe's fundamental forces, as scientists continue to explore the mysteries of atomic interactions.Record-Breaking Ocean Waves Observed from SpaceIn an astonishing revelation, satellites have recorded ocean waves reaching heights of nearly 20 metres, the largest ever measured from space. This episode explores how these massive waves, driven by storms, can carry destructive energy across vast distances, impacting coastlines far from the storm's origin. The findings not only validate existing wave models but also reveal new insights into the energy dynamics of ocean swells.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature CommunicationsPhysical Review LettersProceedings of the National Academy of SciencesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

In this episode of SpaceTime, we explore the latest astronomical phenomena and significant discoveries that are shaping our understanding of Earth and space.Auroral Displays Light Up the SkiesPlanet Earth has been treated to an extraordinary display of auroras, with both the Aurora Australis and Aurora Borealis lighting up the skies following three powerful X-class solar flares, including an X 5.1 event on November 11. This segment dives into the mechanics behind these solar flares, the resulting coronal mass ejections (CMEs), and how they triggered spectacular auroras visible at lower latitudes than usual, including sightings as far north as Cairns and even Florida.Largest Modern Impact Crater DiscoveredScientists have uncovered what is believed to be the largest modern impact crater on Earth, the 900-metre-wide Jinling Crater in southern China. This well-preserved structure, dating back to the Holocene epoch, offers new insights into extraterrestrial impacts and their effects on our planet. The discovery challenges previous assumptions about the frequency and scale of impacts from small celestial bodies and highlights the importance of studying such geological features.Nasa's Key Communications Dish Out of ServiceIn a significant setback for NASA, the 70-metre Goldstone deep space communications dish has been rendered inoperable due to an accident that occurred in September. The incident has raised concerns about the strain on NASA's Deep Space Network, especially with upcoming missions like Artemis 2. We discuss the implications of this loss for various space missions and the efforts being made to mitigate the impact on communications.The Science RobertIn our science report, we highlight a new projection from the World Meteorological Organisation indicating that 2025 is unlikely to be the hottest year on record, but it will rank among the top three. We also address public health concerns surrounding a measles alert in Australia, linked to declining vaccination rates, and the potential resurgence of preventable diseases. This segment underscores the importance of vaccination in maintaining herd immunity and protecting public health.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of Geophysical ResearchNature CommunicationsWorld Meteorological Organisation ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Cosmic Beginnings and Stellar Discoveries: Unveiling the First Stars and Secrets of the Moon (00:00:47) Have astronomers finally seen the universe's first stars (00:04:06) Hidden secrets about the Moon and the asteroid Vesta (00:10:45) Euclid peers deep into a stellar nursery full of baby stars (00:16:05) The Science Report (00:18:09) Skeptics guide to flat earthers falling flat on their face again In this episode of SpaceTime, we uncover groundbreaking findings that could reshape our understanding of the universe's early stars, the Moon's hidden secrets, and the asteroid Vesta's internal structure.First Stars DetectedAstronomers may have finally glimpsed the universe's first stars, known as Population 3 stars, thanks to observations from NASA's Webb Space Telescope. These luminous giants, formed just 200 million years after the Big Bang, are believed to have ended the cosmic dark ages and initiated the epoch of reionisation. The episode delves into the significance of these findings, which suggest that these stars were formed in small clusters and exhibit extremely low metallicity, challenging previous theories about the early universe.Secrets of the Moon RevealedTwo NASA studies have provided fascinating insights into the Moon's internal structure through advanced gravity modelling. By analysing data from the GRAIL mission, researchers have created the most detailed gravitational map of the Moon to date, revealing variations linked to tidal deformation. This research offers clues about the Moon's geological history and volcanic activity, particularly highlighting differences between the near and far sides of the Moon.New Insights into Asteroid VestaIn a parallel study, scientists examined the asteroid Vesta's structure using data from NASA's Dawn spacecraft. Contrary to earlier beliefs of a layered interior, new measurements suggest Vesta may have a more uniform composition, with only a small core, if any. This revelation challenges long-held assumptions about the formation and evolution of this ancient asteroid.Euclid Space Telescope's Stellar Nursery ObservationsThe European Space Agency's Euclid Space Telescope has peered into the dark cloud LDN 1641, uncovering a vibrant stellar nursery filled with young stars. This segment discusses the significance of Euclid's observations, which not only aid in fine-tuning the telescope's capabilities but also contribute to our understanding of star formation and the cosmos.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersNatureBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Decelerating Cosmos and Solar Secrets: Unravelling Dark Energy and the Sun's Magnetic Dance (00:00:45) More confirmation that the Universe's expansion is slowing (00:08:53) First glimpse of the Sun's polar magnetic field in motion (00:14:09) Space Weather events ramping up (00:18:24) The Science Report (00:20:29) Alex on Tech NEO the humanoid housekeeper In this episode of SpaceTime, we explore significant revelations about the universe's expansion, the Sun's magnetic field, and the current surge in solar weather activity.The Universe's Expansion Rate is SlowingA new study has confirmed that the universe's rate of expansion, which began after the Big Bang 13.8 billion years ago, is slowing down. This finding contradicts previous theories suggesting that the expansion was accelerating due to dark energy. We delve into the implications of this research, which indicates that dark energy may be evolving more rapidly than previously understood, potentially marking a paradigm shift in cosmology. The episode discusses various scenarios for the universe's future, including the Big Crunch, Steady State theory, Big Freeze, and Big Rip, and how these new observations could reshape our understanding of cosmic fate.First Glimpse of the Sun's Polar Magnetic FieldAstronomers have captured their first detailed view of the Sun's polar magnetic field in motion, revealing unexpected rapid movements. The Solar Orbiter spacecraft has provided insights into the Sun's magnetic activity, which follows an 11-year cycle. This segment highlights the significance of the findings, which enhance our understanding of solar dynamics and the implications for space weather.Current Surge in Space Weather EventsAs the Sun reaches solar maximum, astronomers are observing increased solar storm activity, including multiple X-class and M-class solar flares. This segment discusses the effects of coronal mass ejections on Earth, including spectacular auroras and potential disruptions to technology and power grids. We explore the science behind solar flares and their impact on our planet, providing a comprehensive overview of current space weather conditions.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyAstrophysical Journal LettersNature GeoscienceJournal of the American Medical AssociationBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

(00:00:00) Galactic Influences and Supermoons: Exploring Earth's Crust and Taikonaut Trials (00:00:42) Earth's geology written in the stars (00:10:30) Taikonauts stranded in space following space junk impact (00:12:38) Biggest Supermoon of the year (00:14:59) The Science Report (00:17:20) Skeptics guide to jogging big foots In this episode of SpaceTime, we delve into fascinating intersections of geology and astronomy that could reshape our understanding of Earth's history and the cosmos.Earth's Geology Written in the StarsA groundbreaking study reveals a compelling connection between the structure of our Milky Way galaxy and the evolution of Earth's crust. Researchers from Curtin University have found that meteorite impacts, influenced by the solar system's journey through the galaxy, have played a significant role in shaping our planet's geology. The episode explores how ancient zircon crystals are providing a unique archive of Earth's interactions with the galaxy, suggesting that astrophysical processes may have directly influenced the continents beneath our feet and the conditions that made life possible.Taikonaut Stranded in SpaceIn a dramatic turn of events, three Chinese taikonauts are stranded in orbit after their Shenzhou 20 spacecraft was struck by suspected space junk just hours before their scheduled return to Earth. This segment discusses the implications of the impact, the ongoing assessments by mission managers, and the potential need for a replacement capsule to ensure the crew's safe return. The episode also reflects on past incidents involving space debris and the measures taken to protect the Tiangong Space Station.The Biggest Supermoon of the YearSkywatchers around the globe were treated to the biggest supermoon of the year, appearing 7% larger and 30% brighter than a typical full moon. This segment explains the science behind the phenomenon, including the moon's elliptical orbit and its impact on tides. We also discuss how the term "supermoon" became popularised and the frequency of such lunar events, with several more supermoons on the horizon.www.spacetimewithstuartgary.com✍️ Episode ReferencesPhysical Reviewhttps://journals.aps.org/pr/Naturehttps://www.nature.com/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Earth's Geology Written in the StarsTaikonaut Stranded in SpaceThe Biggest Supermoon of the YearEarth's Geology Written in the StarsTaikonaut Stranded in SpaceThe Biggest Supermoon of the Year

In this episode of SpaceTime, we explore remarkable discoveries and hypotheses that could redefine our understanding of planetary atmospheres and our journey back to the Moon.Phosphine Discovery in Brian Dwarf Wolf 1130CFor the first time, astronomers have detected phosphine in the atmosphere of the brown dwarf Wolf 1130C, raising intriguing questions about its presence and the chemistry of such celestial bodies. This discovery, reported in the journal Science, highlights the significance of phosphorus as a potential biosignature for life and challenges previous theories regarding the abundance of phosphine in other brown dwarfs and gas giants. The episode delves into the implications of this finding and what it means for our understanding of phosphorus chemistry in the universe.A New Hypothesis for Planetary Water FormationA groundbreaking hypothesis suggests that some planets may produce water during their formation through reactions between rocks and hydrogen under extreme pressure. This new perspective, discussed in the journal Nature, could explain the presence of liquid water on exoplanets located close to their host stars, challenging traditional views of water's origins. The episode examines the laboratory experiments that led to this hypothesis and its potential impact on our understanding of planetary habitability.Preparing for Humanity's Return to the MoonAs NASA gears up for the Artemis 2 mission, which aims to send humans around the Moon, we discuss the significance of returning to the lunar south pole. This area is believed to contain more water than any other region on the Moon, making it a crucial target for future exploration. The episode highlights the advancements in technology and international collaboration that will pave the way for a sustained human presence on the Moon, furthering our exploration of the solar system.www.spacetimewithstuartgary.com✍️ Episode ReferencesSciencehttps://www.sciencemag.org/Naturehttps://www.nature.com/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Phosphine Discovery in Brian Dwarf Wolf 1130CA New Hypothesis for Planetary Water FormationPreparing for Humanity's Return to the Moon

In this episode of SpaceTime, we dive into groundbreaking astronomical discoveries that challenge our understanding of the universe.The Most Massive Stellar Black Hole Merger Ever ObservedAstronomers have detected the most massive stellar black hole merger to date, cataloged as GW23 1123, which resulted in a black hole with a staggering mass of 225 times that of our Sun. This episode discusses the implications of this merger, observed by the LIGO Virgo Collaboration, and how it pushes the boundaries of current theories on black hole formation. The rapid spinning of the resulting black hole raises intriguing questions about the processes that lead to such massive objects in the cosmos.Unraveling the Mystery of Dark MatterCan radio telescopes and NASA's IMAP mission provide answers to the enigma of dark matter? New research suggests that during the cosmic dark ages, dark matter clumped together, pulling in hydrogen gas that emitted powerful radio waves. This segment explores how these signals could potentially illuminate the properties of dark matter, which remains one of the biggest mysteries in astrophysics.Navigating the Heliosphere with IMAPNASA's Interstellar Mapping and Acceleration Probe (IMAP) is on a mission to study the heliosphere, the protective bubble created by the solar wind. As it travels towards its operational position, IMAP will provide unprecedented insights into the interactions between the solar wind and interstellar space, enhancing our understanding of space weather and its effects on our planet and future space exploration.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/Proceedings of the National Academy of Scienceshttps://www.pnas.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.The Most Massive Stellar Black Hole Merger Ever ObservedUnraveling the Mystery of Dark MatterNavigating the Heliosphere with IMAP

In this episode of SpaceTime, we explore a trio of intriguing astronomical phenomena that are reshaping our understanding of the cosmos.Interstellar Comet 3I Atlas: A Close EncounterInterstellar comet 3I Atlas has reached its perihelion, passing closest to the Sun without any signs of alien life forms, despite wild media speculation. This episode discusses how the comet maintained its expected trajectory and velocity, while also revealing groundbreaking findings from NASA's Swift Space Telescope, which detected ultraviolet signatures of water from the comet, providing new insights into the chemistry of interstellar objects and their potential to harbour the building blocks of life.A Colossal Gas Bridge Between Dwarf GalaxiesAstronomers have discovered a massive bridge of neutral hydrogen gas linking two dwarf galaxies, NGC 4532 and DDO 137, located approximately 53 million light years away. This remarkable structure spans an astonishing 185,000 light years and is accompanied by a vast tail of gas extending 1 million light years. The findings shed light on how galaxies interact and evolve, particularly in dense environments like the Virgo Cluster, and offer crucial insights into the dynamics of galactic gas and star formation.Volcanic Eruptions and Hidden Ice on MarsA new study suggests that explosive volcanic eruptions on ancient Mars may have transported water ice to the equatorial regions of the Red Planet. Using computer modelling, researchers propose that water vapour released during these eruptions could have frozen in the Martian atmosphere, leading to the accumulation of significant ice deposits. This discovery could have profound implications for future human exploration of Mars, as it raises questions about the availability of water resources in unexpected locations.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal Lettershttps://iopscience.iop.org/journal/2041-8205Nature Communicationshttps://www.nature.com/naturecommunications/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Interstellar Comet 3I Atlas: A Close EncounterA Colossal Gas Bridge Between Dwarf GalaxiesVolcanic Eruptions and Hidden Ice on Mars

In this episode of SpaceTime, we delve into groundbreaking discoveries that could reshape our understanding of life on Mars and the cosmos beyond.Martian Ice: A Potential Reservoir for LifeA recent study suggests that Martian ice may be the most promising location to search for signs of ancient microbial life. Researchers found that biomolecules from dormant microbes degrade significantly slower in pure water ice compared to Martian soil mixtures. This discovery, published in the journal Astrobiology, raises hopes that future missions to Mars could uncover preserved organic materials in its icy regions, potentially revealing the planet's biological history.A Mysterious Dark Object in the UniverseAstronomers have identified the lowest mass dark object ever detected, with a mass about a million times that of our Sun. This enigmatic object, reported in Nature Astronomy, may offer insights into the nature of dark matter, which constitutes a significant portion of the universe's mass. The object was detected through gravitational lensing, and its small size challenges existing theories about dark matter's composition and distribution.NASA's Call for Lunar Mission BidsNASA is seeking new bids for its Artemis Moon program, aiming to foster competition among American companies to return humans to the lunar surface. With ongoing delays from SpaceX, NASA Administrator Sean Duffy emphasizes the urgency of the mission as the U.S. races against China to achieve lunar exploration milestones. The upcoming Artemis missions promise to be pivotal in establishing a sustainable human presence on the Moon.November Skywatch with Jonathan Nallywww.spacetimewithstuartgary.com✍️ Episode ReferencesAstrobiology Journalhttps://www.liebertpub.com/journals/astrobiology/1Nature Astronomyhttps://www.nature.com/natureastronomy/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Martian Ice: A Potential Reservoir for LifeA Mysterious Dark Object in the UniverseNASA's Call for Lunar Mission Bids

(00:00:00) Lunar Relics and Interstellar Insights: Discoveries from the Moon and Comet 3I ATLAS (00:00:46) Relics of the outer solar system discovered on the Moon (00:03:30) Insights from interstellar comet 3I ATLAS (00:07:31) SpaceX's Starship Mega rocket test flight (00:23:54) The Science report (00:31:46) Episode Wrap In this episode of SpaceTime, we explore remarkable discoveries that provide new insights into our solar system and beyond.Relics of the Outer Solar System Found on the MoonA groundbreaking study reveals that meteorites found on the Moon originated from the outer solar system. Researchers from the Chinese Academy of Sciences have identified olivine-bearing clasts from lunar regolith collected by the Chang'e 6 mission. These relics, believed to be carbonaceous chondrites, offer critical information about the formation and evolution of planets. The findings suggest that the Moon serves as a pristine archive for meteorites, with implications for understanding the origins of lunar water and organic materials.Interstellar Comet 3I ATLAS: Insights into Alien Solar SystemsThe interstellar comet 3I ATLAS is revealing fascinating details about the composition of other solar systems. New observations indicate that 3I ATLAS has been active longer than expected, releasing various molecules as it travels through our solar system. This segment discusses how the comet's behavior challenges existing assumptions about comet activity and provides clues about the materials present in distant star systems.SpaceX's Starship Mega Rocket Test FlightSpaceX has successfully completed its 11th test flight of the Starship Mega rocket, demonstrating significant advancements in its design and capabilities. The mission involved various maneuvers, including hot staging and payload deployment, as well as tests of the spacecraft's reentry and landing procedures. This episode highlights the importance of these tests for future missions to the Moon and Mars, as SpaceX continues to refine the Starship for interplanetary travel.www.spacetimewithstuartgary.com✍️ Episode ReferencesProceedings of the National Academy of Scienceshttps://www.pnas.org/Astrophysical Journal Lettershttps://iopscience.iop.org/journal/2041-8205Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Relics of the Outer Solar System Found on the MoonInterstellar Comet 3I ATLAS: Insights into Alien Solar SystemsSpaceX's Starship Mega Rocket Test Flight

(00:00:00) Near Miss and Cosmic Spectacles: Asteroids, Comets, and Space Junk in Earth's Orbit (00:00:46) Planet Earth experiences as asteroid near miss (00:02:58) Two green comets lighting up the night skies (00:07:31) Chinese space junk smashes into Western Australia (00:09:09) The Science Report (00:12:07) Skeptics guide to the magic healing Biomet (00:15:15) Show Wrap-up In this episode of SpaceTime, we dive into a series of astonishing astronomical events that recently unfolded, including a near-miss asteroid and mesmerizing comets lighting up our night skies.Asteroid 2025 TF: A Close EncounterAn undetected asteroid, now designated 2025 TF, made a startling pass just 428 kilometers above Earth, equivalent to the altitude of the International Space Station. Detected by astronomers from Kitt Peak National Observatory six hours post-approach, this 3-meter space rock serves as a reminder of the many near misses that may go unnoticed. This episode discusses the implications of such encounters and the ongoing efforts to enhance planetary defense against potential threats.Green Comets Illuminate the Night SkySkywatchers have been treated to the rare sight of two vibrant green comets, C 2025 R2 Swann and C 2025 A6 Lemon, both originating from the Oort Cloud. As they approach the sun, these comets are heating up and releasing gases, creating their characteristic tails. This segment explores their trajectories, visibility, and the exciting opportunity they present for amateur astronomers, particularly as they coincide with the annual Orionid meteor shower.Chinese Space Junk Crash in AustraliaIn a dramatic turn of events, debris from the Chinese Jielong 3 rocket has been discovered smoldering in Western Australia's outback. This segment details the recovery of the wreckage and the ongoing investigation by the Australian Space Agency. The incident raises concerns over space debris management, especially in light of previous accidents involving Chinese spacecraft.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and Astrophysicshttps://www.aanda.org/Geophysical Research Lettershttps://agupubs.onlinelibrary.wiley.com/journal/19448007Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.Asteroid 2025 TF: A Close EncounterGreen Comets Illuminate the Night SkyChinese Space Junk Crash in Australia