
SpaceTime: Your Guide to Space & Astronomy
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-your-guide-to-space-astronomy--2458531/support.
Latest episodes

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-your-guide-to-space-astronomy--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.

Feb 21, 2025 • 21min
Snowball Earth Evidence, Blue Origin's Parachute Mishap, and the Moon's Horizon Illusion: S28E23
SpaceTime Series 28 Episode 23The Astronomy, Space and Science News PodcastSnowball Earth Evidence, Blue Origin's Parachute Failure, and the Moon Illusion ExplainedIn this episode of SpaceTime, we dive into groundbreaking geological research that provides compelling evidence for the Snowball Earth hypothesis, suggesting that glaciers may have covered the planet from pole to pole hundreds of millions of years ago. This research reveals insights into Earth's climatic history and the emergence of multicellular life following this extreme glaciation event.Blue Origin's Lunar Gravity MissionWe also discuss the recent Blue Origin mission, where the New Shepard spacecraft experienced a parachute failure during a lunar gravity simulation flight. Despite the malfunction, mission managers confirm that the capsule was designed to land safely with two parachutes, and investigations are underway to understand the issue.The Moon Illusion: Why Does It Appear Larger on the Horizon?Additionally, we explore the fascinating phenomenon known as the Moon illusion, which causes the Moon to appear larger when it is near the horizon compared to when it is high in the sky. We delve into the psychological and perceptual factors that contribute to this optical illusion, despite the Moon's actual size remaining constant.00:00 Space Time Series 28 Episode 23 for broadcast on 21 February 202500:49 Evidence supporting the Snowball Earth hypothesis06:30 Implications for Earth's climatic history12:15 Blue Origin's lunar gravity mission details18:00 Analysis of parachute failure during descent22:45 The Moon illusion and its psychological explanations27:00 Understanding optical illusions in astronomy30:15 The self-domestication of wolves and its implicationswww.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.orgNew England Journal of Medicinehttps://www.nejm.orgRoyal Society Bhttps://royalsocietypublishing.org/journal/rspbBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.Show notes created by https://headliner.app---🎙️ Thanks for podcasting with Headliner!

Feb 19, 2025 • 23min
Van Allen's New Belts, Alien Oceans and Life, and Massive Black Hole Jets Uncovered: S28E22
SpaceTime Series 28 Episode 22The Astronomy, Space and Science News PodcastNew Van Allen Radiation Belts, Alien Oceans and Signs of Life, and the Largest Black Hole Radio Jet Ever DetectedIn this episode of SpaceTime, we uncover the discovery of two new temporary Van Allen radiation belts created by a massive solar storm that struck Earth in May 2024. This event not only produced stunning auroras but also highlighted the importance of understanding the dynamics of radiation belts for the safety of satellites and astronauts. The findings, reported by NASA's Colorado Inner Radiation Belt Experiment, reveal that these belts can last significantly longer than previously thought, with implications for future solar storms and spaceflight safety.Searching for Life in Alien OceansWe also explore the challenges of detecting signs of extraterrestrial life in the subsurface oceans of icy moons like Saturn's Enceladus. A new study suggests that the unique physics of these oceans could hinder the movement of biological signatures from deep waters to the surface, complicating the search for life beyond Earth. This research emphasizes the need to understand ocean dynamics in the search for life in our solar system.The Largest Black Hole Radio Jet in the Early UniverseAdditionally, astronomers have identified the largest radio jet ever seen in the early universe, spanning an astonishing 200,000 light years. This discovery sheds light on the formation of massive jets and quasars, providing crucial insights into the evolution of galaxies in the early cosmos. The quasar, which formed when the universe was just 9% of its current age, challenges previous assumptions about the conditions needed for such powerful jets to form.00:00 Space Time Series 28 Episode 22 for broadcast on 19 February 202500:49 Discovery of new Van Allen radiation belts06:30 Implications of the May solar storm12:15 Challenges in detecting life in Enceladus's oceans18:00 The significance of ocean dynamics in extraterrestrial life searches22:45 The largest black hole radio jet ever observed27:00 Understanding quasars and their impact on galaxy evolution30:15 The implications of AI self-replicationwww.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.govGeophysical Research Space Physicshttps://agupubs.onlinelibrary.wiley.com/journal/19448007Communications and Earth Environmenthttps://www.nature.com/ncomms/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.

Feb 17, 2025 • 38min
Earth's Inner Core Mysteries, China's Lunar Quest, and Hot Jupiter Insights: S28E21
SpaceTime Series 28 Episode 21The Astronomy, Space and Science News PodcastShifting Dynamics of Earth's Inner Core, China's Lunar South Pole Mission, and Insights into Hot Jupiter ExoplanetsIn this episode of SpaceTime, we explore groundbreaking research revealing that Earth's inner core may be less solid than previously believed. A new study indicates that the near surface of the inner core is undergoing structural transformations, influenced by interactions with the turbulent outer core. This discovery provides fresh insights into the dynamics of Earth's core and its impact on the planet's magnetic field and rotation.China's Chang'e 7 Mission: A Quest for Lunar Water IceWe also discuss China's upcoming Chang'e 7 mission, set to launch next year, which aims to search for water ice at the lunar south pole. This mission will employ advanced technologies to locate and analyze water ice deposits, crucial for supporting future manned missions to the Moon and beyond. The Chang'e 7 mission will include an orbiter, lander, rover, and a mobile hopper designed for traversing shadowed craters.Hot Jupiter Progenitor: New Discoveries in Exoplanet ResearchAdditionally, we delve into the fascinating discovery of a hot Jupiter exoplanet with an eccentric orbit, shedding light on the formation processes of these gas giants. The research indicates that this planet has likely been influenced by a binary star system, providing new evidence for the mechanisms behind hot Jupiter migration and evolution.00:00 Space Time Series 28 Episode 21 for broadcast on 17 February 202500:49 New findings on Earth's inner core06:30 Overview of China's Chang'e 7 mission12:15 Insights from the discovery of a hot Jupiter exoplanet18:00 Implications for planetary formation theories22:45 The significance of lunar water ice for future missions27:00 Understanding the dynamics of celestial bodies30:15 The impact of climate change on global temperatureswww.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 Geosciencehttps://www.nature.com/ngeo/Journal of Nature Climate Changehttps://www.nature.com/nclimate/Macquarie Universityhttps://www.mq.edu.auBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

Feb 14, 2025 • 40min
Earth's Elemental Mysteries, Ariel's Geological Secrets, and Comet Atlas's Demise: S28E20
SpaceTime Series 28 Episode 20The Astronomy, Space and Science News PodcastNew Discoveries on Earth's Elements, Uranus's Moon Ariel, and the Fate of Comet AtlasIn this episode of SpaceTime, we delve into a groundbreaking study that challenges long-held beliefs about the origins of Earth's missing moderately volatile elements, such as copper and zinc. This research suggests that rather than being lost during the early formation of the solar system, these essential elements were likely retained by the first planetesimals and lost later due to violent cosmic collisions during planetary growth, reshaping our understanding of planetary chemistry and habitability.Uranus's Moon Ariel: A Window to Its InteriorWe also explore the fascinating trench-like features on Uranus's moon Ariel, which may serve as conduits for internal materials. New research indicates that these medial grooves could provide insights into Ariel's geological history and potential subsurface oceans, highlighting the complex interplay of tectonic and volcanic activities on the moon's surface.Comet Atlas: A Dying WonderAdditionally, we discuss the fate of Comet G3 Atlas, which has recently passed perilously close to the Sun, resulting in the fragmentation of its nucleus. As it fades from view, Atlas becomes a headless wonder, leaving behind a trail of debris that will continue to orbit the Sun. This episode also features a look at the stunning night skies of February, including the iconic constellations and celestial events to observe.00:00 Space Time Series 28 Episode 20 for broadcast on 14 February 202500:49 New insights into Earth's missing elements06:30 Trench-like features on Uranus's moon Ariel12:15 The demise of Comet G3 Atlas18:00 February night sky highlights22:45 The constellation Orion and its myths27:00 Exploring the Pleiades and other celestial wonders30:15 The significance of the Milky Way in stargazingwww.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.govScience Advanceshttps://www.science.org/journal/sciadvPlanetary Science Journalhttps://www.journals.elsevier.com/planetary-science-journalSky and Telescopehttps://skyandtelescope.orgBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

Feb 12, 2025 • 33min
Earth's Water Origins, Bennu's Salty Secrets, and Marsquakes Unveiled: S28E19
SpaceTime Series 28 Episode 19The Astronomy, Space and Science News PodcastNew Insights into Earth's Water, Asteroid Bennu's Composition, and Marsquake TriggersIn this episode of SpaceTime, we investigate a groundbreaking study that challenges previous beliefs about when water arrived on Earth. New findings suggest that water may have come in during the later stages of Earth’s formation, providing fresh perspectives on the origins of life on our planet. The study highlights the importance of molybdenum isotopes in understanding the timing of water delivery and the conditions necessary for life.Searles Lake and Asteroid BennuWe also explore the intriguing similarities between Searles Lake in California and the asteroid Bennu, as researchers find that both environments share common water-soluble minerals. The Osiris Rex mission has revealed that Bennu's samples contain evaporite minerals formed under wet conditions, shedding light on the potential for life-sustaining elements in our solar system's past.Meteoroid Impacts and MarsquakesAdditionally, a new study indicates that meteoroid impacts may play a more significant role in triggering marsquakes than previously considered. Analyses from NASA's Mars InSight lander reveal that many seismic events on Mars could be linked to impacts, challenging existing assumptions about the planet's seismic activity.00:00 Space Time Series 28 Episode 19 for broadcast on 12 February 202500:49 Water arrival on Earth06:30 Searles Lake and asteroid Bennu12:15 Meteoroid impacts and Marsquakes18:00 Changes in men's height and weight22:45 Discovery of ancient bird fossils in Antarctica27:00 The best way to boil an egg30:15 AI and national security concernswww.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.govGeochemistry and Cosmochemistryhttps://www.elsevier.com/journals/geochemistry-and-cosmochemistryNaturehttps://www.nature.comGeophysical Research Lettershttps://agupubs.onlinelibrary.wiley.com/journal/19448007Biology Lettershttps://royalsocietypublishing.org/journal/blNature Communicationshttps://www.nature.com/ncomms/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

Feb 10, 2025 • 20min
Asteroid Threats, Dark Matter Discoveries, and Martian Volcanism Unveiled: S28E18
SpaceTime Series 28 Episode 18The Astronomy, Space and Science News PodcastAsteroid Threat Level Rusty, Dark Matter Experiment, and Martian Lava RocksIn this episode of SpaceTime, we discuss the alarming increase in the threat level of near-Earth asteroid 2024 YR4, now assessed at a 2.3% chance of impacting Earth on December 22, 2032. With astronomers worldwide closely monitoring its trajectory, we explore the potential consequences of an impact from this asteroid, including the possibility of a catastrophic airburst or a significant surface collision.New Dark Matter Experiment in SpaceWe also delve into an ambitious new experiment aimed at uncovering the mysteries of dark matter. Researchers are testing a device that could potentially detect dark matter by measuring tiny signals in a zero-gravity environment. This groundbreaking approach seeks to provide insights into the elusive substance that constitutes approximately 85% of the universe's mass.Insights from Martian Lava RocksAdditionally, we examine findings from NASA's Mars Perseverance Rover, which are shedding light on a critical period in Martian history. The analysis of igneous rocks in Jezero Crater suggests that the Martian crust was formed through widespread volcanism, offering a glimpse into the planet's geological evolution and its implications for understanding the early solar system.00:00 Space Time Series 28 Episode 18 for broadcast on 10 February 202500:49 Increased threat from asteroid 2024 YR406:30 New dark matter detection experiment in space12:15 Martian lava rocks and the history of the Red Planet18:00 Microplastics accumulation in the human brain22:45 WHO review on radio wave exposure and cancer27:00 Genetically modified rice with reduced methane emissions30:15 Jane Goodall's belief in Sasquatch and its implicationswww.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 a look...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 Science Advanceshttps://www.science.org/journal/sciadvNature Medicinehttps://www.nature.com/nm/Molecular Planthttps://www.cell.com/molecular-plant/homeAustralian Skepticshttps://www.skeptics.com.auBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.