Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry ...
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-astronomy-science-news--2458531/support.
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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-astronomy-science-news--2458531/support.
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-astronomy-science-news--2458531/support.
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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-astronomy-science-news--2458531/support.
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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-astronomy-science-news--2458531/support.
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-astronomy-science-news--2458531/support.
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