

SpaceTime with Stuart Gary
Stuart Gary
Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry experts.Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
Episodes
Mentioned books

Mar 17, 2025 • 25min
Ancient Impacts, Lunar Ice Potential, and the Return of X37B: S28E33
SpaceTime Series 28 Episode 33The Astronomy, Space and Science News PodcastWorld's Oldest Meteor Impact Crater, Water Ice on the Moon, and the Secretive X37B Shuttle ReturnsIn this episode of SpaceTime, we unveil the discovery of the world's oldest known meteor impact crater located in Western Australia. This ancient structure, dating back 3.5 billion years, was identified in the Pilbara region and challenges previous notions about Earth's geological history and the origins of life. We discuss the implications of this significant find, including its potential to reshape our understanding of crust formation and the environments conducive to early microbial life.Water Ice on the MoonWe also delve into exciting new research suggesting that water ice may be found just centimeters below the lunar surface across a much larger area of the Moon's polar regions than previously believed. Based on observations from India's Chandrayaan 3 mission, these findings could greatly influence future lunar exploration and habitation efforts, highlighting the potential for accessible sources of water ice.The X37B Space Shuttle's Secret MissionAdditionally, we cover the return of the United States Space Force's X37B space shuttle after a classified 434-day mission. The shuttle's successful landing at Vandenberg Space Force Base marks another milestone in its ongoing operations, which include specialized testing and reconnaissance in orbit. We explore the implications of this mission for national security and the future of space operations.00:00 Space Time Series 28 Episode 33 for broadcast on 17 March 202500:49 Discovery of the world's oldest meteor impact crater06:30 Implications for Earth's geological history12:15 Overview of potential water ice locations on the Moon18:00 Findings from the Chandrayaan 3 mission22:45 Return of the X37B space shuttle27:00 Summary of recent scientific developments30:15 Discussion on advancements in HIV preventionwww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNature Communicationshttps://www.nature.com/naturecommunications/Communications Earth and Environmenthttps://www.nature.com/commsenv/NASAhttps://www.nasa.govBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

Mar 14, 2025 • 19min
Ancient Martian Rocks and Their Secrets, Gamma Ray Observatory Greenlit, and Ariane 6 Takes Flight: S28E32
SpaceTime Series 28 Episode 32The Astronomy, Space and Science News PodcastMartian Minerals Indicating Ancient Life, World's Most Powerful Gamma Ray Observatory, and Ariane 6 Rocket Operations BeginIn this episode of SpaceTime, we explore groundbreaking findings from NASA's Perseverance rover, which has discovered unusual rocks on Mars' Jezero crater rim, hinting at the possibility of ancient life. The rocks, rich in kaolinite, typically form in warm, wet environments, suggesting that Mars may have once hosted conditions suitable for life. We delve into the implications of these findings and what they reveal about the planet's watery past.Advancements in Gamma Ray AstronomyWe also discuss the European Commission's green light for the construction of the Cherenkov Telescope Array Observatory, projected to become the world's most powerful gamma ray observatory. This ambitious project aims to vastly expand our understanding of high-energy astronomical phenomena, potentially revealing the origins of gamma rays and their impact on galaxy formation and evolution.Europe's New Rocket EraAdditionally, we celebrate the successful launch of Europe's new Ariane 6 rocket, marking a significant milestone in the continent's space capabilities. This mission, which deployed the French CSO 3 reconnaissance satellite, signifies a return to independent access to space for Europe, following a series of delays and challenges.00:00 Space Time Series 28 Episode 32 for broadcast on 14 March 202500:49 Discovery of kaolinite rocks on Mars06:30 Implications for ancient Martian life12:15 Overview of the Cherenkov Telescope Array Observatory18:00 Advancements in gamma ray astronomy22:45 Successful launch of the Ariane 6 rocket27:00 Summary of significant scientific developments30:15 Discussion on recent studies in environmental sciencewww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govCommunications Earth and Environmenthttps://www.nature.com/commsenv/Geologyhttps://www.geosociety.org/geoabstracts/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

Mar 12, 2025 • 30min
Mars' Ancient Beaches, Water's Early Emergence, and Voyager's Power Struggles: S28E31
SpaceTime Series 28 Episode 31The Astronomy, Space and Science News PodcastBeaches on Mars, Water's Early Emergence in the Universe, and Voyager's Power ConservationIn this episode of SpaceTime, we delve into the groundbreaking confirmation by China's Zhurong Mars rover, which has revealed that ancient ocean beaches once graced Mars' northern hemisphere. Using advanced ground-penetrating radar, scientists have discovered sedimentary structures resembling Earth's coastal deposits, suggesting that the Red Planet once harbored a significant body of water, potentially creating habitable environments for microbial life.Water's Early Role in the UniverseWe also discuss a new study indicating that water may have formed in the universe much earlier than previously thought, just 100 to 200 million years after the Big Bang. This discovery suggests that habitable planets could have begun forming before the first galaxies, with primordial supernovae playing a crucial role in producing the necessary oxygen for water molecules.Navigating Voyager's FutureAdditionally, we cover NASA's difficult decision to turn off several scientific instruments aboard the Voyager spacecraft to conserve energy and extend their missions. With Voyager 1 and 2 now over 23 and 19 light hours away from Earth, respectively, these measures are essential to prolonging the iconic spacecraft's ability to collect unique data from interstellar space.00:00 Space Time Series 28 Episode 31 for broadcast on 12 March 202500:49 Confirmation of ancient beaches on Mars06:30 Implications for Martian habitability12:15 Water's early emergence in the universe18:00 Role of supernovae in water formation22:45 Voyager spacecraft power conservation efforts27:00 Overview of the latest scientific studies30:15 Discussion on gender differences in romantic relationshipswww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govProceedings of the National Academy of Scienceshttps://www.pnas.org/Nature Astronomyhttps://www.nature.com/natureastronomy/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

Mar 10, 2025 • 32min
Orbital Shifts and Ice Ages, Starship's Explosive End, and Moon's Haunting Discoveries: S28E30
SpaceTime Series 28 Episode 30The Astronomy, Space and Science News PodcastEarth's Jessica Cycles, Starship's Latest Failure, and Lunar Landings in TroubleIn this episode of SpaceTime, we explore a groundbreaking discovery linking Earth's ice age cycles to its orbital shifts. Recent research indicates a predictable pattern for glacial and interglacial periods, suggesting the onset of the next ice age could occur in approximately 10,000 years. This insight stems from a million-year climate record that matches changes in Earth's orbit with significant climate shifts.Starship's Crash and BurnWe also discuss the latest mishap involving SpaceX's Starship, which experienced a dramatic failure just seconds before achieving orbit. The test flight ended in a spectacular explosion over the Caribbean, prompting multiple investigations into the incident. This marks the second consecutive failure for SpaceX's ambitious rocket program, raising concerns about its future, particularly in relation to NASA's Artemis lunar missions.New Developments on the MoonAdditionally, we report on the recent successful landing of Firefly Aerospace's Blue Ghost lander on the lunar surface, marking a milestone in commercial lunar exploration. However, not all lunar missions are faring well, as Intuitive Machines' IM2 lander appears to have landed on its side, echoing past failures. Meanwhile, NASA's Lunar Trailblazer has lost communication, raising further concerns about its operational status.00:00 Space Time Series 28 Episode 30 for broadcast on 10 March 202500:49 Linking Earth's ice age cycles to orbital shifts06:30 Predicting the next ice age12:15 Overview of SpaceX's Starship crash18:00 Implications for NASA's Artemis program22:45 Successful landing of Blue Ghost on the Moon27:00 Challenges faced by IM2 and Lunar Trailblazer missions30:15 Study on vaping and smoking cessationwww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govJournal of the American Medical Associationhttps://jamanetwork.com/journals/jamaSciencehttps://www.sciencemag.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

Mar 7, 2025 • 36min
Callisto's Ocean Secrets, Lasers Unveiling Mars' Past Life, and ISS Cleanliness Concerns: S28E29
SpaceTime Series 28 Episode 29The Astronomy, Space and Science News PodcastExploring Callisto's Ocean Potential, Laser Fossil Detection on Mars, and ISS Cleanliness ConcernsIn this episode of SpaceTime, we dive into exciting new research suggesting that Jupiter's moon Callisto may harbor a subsurface ocean, potentially making it another ocean world in our solar system. This revelation builds on data from NASA's Galileo spacecraft, which hinted at the presence of a salty liquid water ocean beneath Callisto's icy crust. Advanced modeling techniques have strengthened these claims, setting the stage for further exploration by NASA's Europa Clipper and ESA's Juice missions.Lasers on Mars: Searching for Ancient LifeWe also discuss innovative research that proposes using lasers to identify ancient microbial fossils on Mars. Scientists have successfully detected microbial fossils in gypsum on Earth, raising hopes that similar techniques could uncover evidence of past life on the Red Planet. The findings suggest that gypsum deposits on Mars could conceal traces of ancient life, preserved in mineral formations that formed when water evaporated billions of years ago.Health Implications of Sterility on the ISSAdditionally, we explore a new study indicating that the overly sterile environment of the International Space Station may be negatively impacting astronaut health. The research suggests that introducing a diverse range of microbes could potentially alleviate immune dysfunction and other health issues experienced by crew members during long missions in space.00:00 Space Time Series 28 Episode 29 for broadcast on 7 March 202500:49 New findings on Callisto's potential subsurface ocean06:30 Implications for future missions to Jupiter's moons12:15 Using lasers to detect ancient life on Mars18:00 Analysis of gypsum deposits and their significance22:45 Concerns regarding ISS cleanliness and astronaut health27:00 Overview of March's night sky and celestial events30:15 Celebrating PI Day and its significance in astronomywww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govAGU Advanceshttps://agupubs.onlinelibrary.wiley.com/journal/23335784Cellhttps://www.cell.com/Frontiers in Astronomy and Space Scienceshttps://www.frontiersin.org/journals/astronomy-and-space-sciencesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

Mar 5, 2025 • 23min
Orion's Influence on Earth's Climate, Mars' Wet Past Revealed, and Europa Clipper's Journey: S28E28
The Astronomy, Space and Science News PodcastEarth's Climate Shaped by Orion, New Insights into Mars' Red Color, and NASA's Europa Clipper Mission UpdateIn this episode of SpaceTime, we explore a groundbreaking study suggesting that Earth's climate may have undergone significant changes around 14 million years ago due to our solar system's journey through the Orion star-forming region. Researchers propose that this passage may have compressed the heliosphere, increasing interstellar dust influx and potentially impacting Earth's climate and geological records.Revisiting Mars' Iconic HueWe also discuss new findings that challenge previous assumptions about why Mars is red. Recent research indicates that the planet's rusted appearance may be linked to a wetter history, with liquid water playing a crucial role in the formation of iron oxides. This revelation reshapes our understanding of Mars' habitability and environmental conditions in its ancient past.NASA's Europa Clipper MissionAdditionally, we provide an exciting update on NASA's Europa Clipper mission, which has successfully completed a close gravity assist flyby of Mars. This maneuver not only altered the spacecraft's trajectory towards Jupiter but also allowed mission managers to test its radar instrument and thermal imager, setting the stage for its upcoming encounters with the icy moon Europa.00:00 Space Time Series 28 Episode 28 for broadcast on 5 March 202500:49 Impact of the solar system's journey through Orion on Earth's climate06:30 Details on the Radcliffe Wave and its significance12:15 New insights into Mars' red color and history of water18:00 Analysis of iron oxides and implications for Martian habitability22:45 Overview of NASA's Europa Clipper mission and its flyby of Mars27:00 The importance of gravity assists in space missions30:15 Health implications of screen time on children's visionwww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govNature Communicationshttps://www.nature.com/ncommsAstronomy and Astrophysicshttps://www.aanda.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Mar 3, 2025 • 29min
Asteroid 2024 YR4's Threat Averted, Martian Core Study Breakthrough, and NASA's Latest Lunar Venture: S28E27
SpaceTime Series 28 Episode 27The Astronomy, Space and Science News PodcastAsteroid 2024 YR4 Impact Risk Reduced, Insights into Mars' Core, and NASA's Lunar Mission UpdateIn this episode of SpaceTime, we bring you encouraging news about asteroid 2024 YR4, with new observations indicating that the chances of it impacting Earth have plummeted to just 0.001%. Initially flagged as a potential threat, this asteroid has been closely monitored, and the latest data from the Very Large Telescope has allowed astronomers to refine its orbit and rule out any collision risk for 2032.Exploring the Martian CoreWe also delve into a fascinating new study regarding the composition of Mars' core. Research suggests that while it may contain a liquid outer core, there could also be a solid inner core composed of iron and sulfur. This breakthrough could reshape our understanding of the Red Planet's geophysical properties and the role of lighter elements in its core.NASA's Latest Lunar MissionAdditionally, we provide an update on NASA's latest lunar mission, which has successfully launched and is heading towards the Moon's south pole. The mission features the Intuitive Machines IM2 spacecraft, equipped with the Athena lunar lander and the Lunar Trailblazer orbiter, both designed to conduct groundbreaking research and resource utilization studies on the lunar surface.00:00 Space Time Series 28 Episode 27 for broadcast on 3 March 202500:49 Update on asteroid 2024 YR4 impact probability06:30 Importance of new observations from the Very Large Telescope12:15 Insights into the Martian core composition18:00 Research on solid inner core possibilities22:45 Overview of NASA's lunar IM2 mission27:00 Archaeological discovery of an ancient Egyptian pharaoh's tomb30:15 Discussion on the cultural significance of the Skinwalker Ranch serieswww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govNature Communicationshttps://www.nature.com/ncommsJournal of Geophysical Researchhttps://agupubs.onlinelibrary.wiley.com/journal/21699356Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.00:00 New observations have all but completely ruled out asteroid 2024 yr, uh 4 hitting Earth00:49 New observations all but rule out asteroid 2020 yr 4 hitting Earth in 203204:23 New research suggests the Martian core may be at least partially solid09:06 NASA's latest commercial lunar Payload Services Initiative mission launches on SpaceX rocket12:48 The Prime One suite includes the Trident drill and the MSOLO spectrometer18:03 This would be the second lunar landing for intuitive machines21:22 Ocean currents may be able to withstand future global warming, study finds23:10 Archaeologists have uncovered the tomb of an ancient Egyptian pharaoh24:31 The History Channel Secret of Skinwalker Ranch is an alleged reality series

Feb 28, 2025 • 21min
Ryugu's Salty Past, Solar Orbiter's Encounter with Venus, and NASA's Ice Mining Experiment: S28E26
SpaceTime Series 28 Episode 26The Astronomy, Space and Science News PodcastAsteroid Ryugu's Salty Secrets, Solar Orbiter's Venus Encounter, and NASA's Lunar Resource ExplorationIn this episode of SpaceTime, we delve into the recent findings from the asteroid Richie, where scientists have discovered evidence of salt minerals, hinting at the presence of saline water in the outer solar system. This exciting revelation parallels previous discoveries from asteroid Bennu and enhances our understanding of the chemical history of these celestial bodies.Europe's Solar Orbiter and VenusWe also explore the European Space Agency's Solar Orbiter spacecraft as it prepares for a close flyby of Venus. This maneuver will allow the spacecraft to adjust its orbit significantly, enabling unprecedented observations of the Sun's polar regions, which have remained elusive from Earth. The encounter will provide critical data to improve our understanding of solar activity and its impact on space weather.NASA's Polar Ice ExperimentAdditionally, we discuss NASA's Polar Resources Ice Mining Experiment (PRIME 1), which aims to analyze the Moon's subsurface for potential resources. This mission is pivotal for future manned lunar explorations under the Artemis program, as it seeks to identify local resources that can support sustained human presence on the Moon.00:00 Space Time Series 28 Episode 26 for broadcast on 28 February 202500:49 Evidence of salt minerals in Richie samples06:30 Implications for understanding outer solar system water12:15 Solar Orbiter's close encounter with Venus18:00 The significance of observing the Sun's polar regions22:45 NASA's PRIME 1 mission and lunar resource exploration27:00 Overview of recent findings on night owls and diabetes30:15 The impact of glacier melting and climate changewww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govEuropean Space Agencyhttps://www.esa.intNature Journalhttps://www.nature.com/Journal of Diabeteshttps://www.diabetesjournals.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

Feb 26, 2025 • 23min
Quantum Time Arrows, Ancient Martian Rocks, and the Lunar Trailblazer Launch: S28E25
SpaceTime Series 28 Episode 25The Astronomy, Space and Science News PodcastTwo Arrows of Time, Ancient Rocks on Mars, and NASA's Lunar Trailblazer MissionIn this episode of SpaceTime, we delve into a groundbreaking discovery by physicists revealing the possibility of two distinct arrows of time emerging from the quantum realm. This fascinating research challenges our conventional understanding of time, suggesting that it may not flow in just one direction, but could theoretically move both forwards and backwards under certain quantum conditions.NASA's Perseverance Rover Finds Ancient Martian RocksWe also highlight the latest findings from NASA's Perseverance rover, which has uncovered new types of rocks that may be the oldest material ever found on Mars. As the rover continues its Crater Rim campaign, it is providing critical insights into the geological history of the Red Planet and the potential for ancient habitable environments.Countdown to NASA's Lunar Trailblazer MissionAdditionally, we preview the upcoming launch of NASA's Lunar Trailblazer mission, designed to search for water ice on the Moon. The mission aims to map the distribution and form of lunar water, contributing vital information for future manned and robotic missions to the Moon.00:00 Space Time Series 28 Episode 25 for broadcast on 26 February 202500:49 Discovery of two arrows of time in quantum physics06:30 Implications for our understanding of time12:15 Perseverance rover's exploration of ancient Martian rocks18:00 The significance of the Crater Rim campaign22:45 Overview of NASA's Lunar Trailblazer mission27:00 The importance of mapping lunar water resources30:15 Health concerns linked to aspartame consumptionwww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govScientific Reportshttps://www.nature.com/srepCell Metabolismhttps://www.cell.com/cell-metabolismBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.

Feb 24, 2025 • 23min
Asteroid 2024 YR4 Threat, Lunar Canyon Formation, and NASA Astronauts' Early Homecoming: S28E24
SpaceTime Series 28 Episode 24The Astronomy, Space and Science News PodcastAsteroid Impact Odds, Lunar Grand Canyons, and NASA's Stranded AstronautsIn this episode of SpaceTime, we discuss the alarming increase in the odds of asteroid 2024 YR4 impacting Earth, now estimated at 3.1% for December 22, 2032. This asteroid, measuring between 40 to 90 meters, poses a significant threat, and we delve into the implications of planetary defense strategies that could be employed to mitigate this risk.The Origins of the Moon's Grand CanyonsWe also explore new research that suggests the Moon's massive canyons, Vallis Schrodinger and Valles Plank, were carved out by asteroid impacts in a mere 10 minutes. This groundbreaking study provides insights into the Moon's geological history and will have important implications for future lunar missions, particularly the upcoming Artemis program.NASA's Stranded AstronautsAdditionally, we cover the latest developments regarding NASA astronauts Sunita Williams and Butch Wiltmore, who have been stranded aboard the International Space Station since June 2024. With the potential for an earlier return home due to a change in SpaceX's Crew 10 mission schedule, we discuss the challenges they faced during their extended stay in orbit.00:00 Space Time Series 28 Episode 24 for broadcast on 24 February 202500:49 Increased odds of asteroid 2024 YR4 impact06:30 Implications for planetary defense strategies12:15 The formation of lunar canyons from asteroid impacts18:00 Insights from the Schrodinger impact basin study22:45 NASA astronauts' potential early return to Earth27:00 Overview of La Nina's arrival in the eastern Pacific30:15 The implications of losing the sense of tastewww.spacetimewithstuartgary.comwww.bitesz.com🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about✍️ Episode ReferencesNASAhttps://www.nasa.govNature Communicationshttps://www.nature.com/ncomms/NOAAhttps://www.noaa.govJournal of the American Medical Associationhttps://jamanetwork.com/journals/jamaJournal of Vertebrate Paleontologyhttps://www.journals.uchicago.edu/journals/jvpBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.


