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SpaceTime: Your Guide to Space & Astronomy

Stuart Gary
SpaceTime: Your Guide to Space & Astronomy
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  • Stellar Insights: Parker Solar Probe's Mission to Understand Solar Activity
    This episode is brought to you by NordVPN. Get up to 76% off NordVPN, enjoy 4 extra months free, and receive an Amazon gift card—plus a 30-day money-back guarantee. Visit nordvpn.com/stuartgary or use code STUARTGARY at checkout.Parker Solar Probe's Historic Close Approach to the SunNASA's Parker Solar Probe has achieved a remarkable milestone, completing its 24th close flyby of the Sun at a record distance of just 6.2 million kilometers from the solar surface. During this encounter, the probe reached speeds of 687,000 kilometers per hour, gathering invaluable data on solar wind and solar activity as the Sun approaches its solar maximum. The mission aims to deepen our understanding of the Sun's behavior and its impact on space weather, which can affect technology and human activities on Earth.Deep Earth Pulses: A New Ocean in the MakingScientists have detected rhythmic surges of molten rock rising from deep within the Earth beneath Africa, revealing a dynamic mantle plume that is gradually tearing the continent apart. This groundbreaking research, published in Nature Geoscience, indicates that the Afar region is experiencing the birth of a new ocean basin due to the interaction between tectonic plates and the pulsing mantle below. The study highlights the complex relationship between the Earth's interior and surface processes, offering new insights into volcanic activity and continental breakup.Aeris Rocket Launch Window OpensMission managers at Gilmour Space are preparing for the opening of a new launch window for their Ares orbital rocket's first test flight, set to begin tomorrow. Following earlier technical issues, the team is closely monitoring weather conditions as they aim to launch the first all-Australian designed and built launch vehicle since the 1970s. With ambitious plans for future versions capable of carrying heavier payloads, this test flight marks a significant step in Australia's growing space industry.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Geosciencehttps://www.nature.com/naturegeoscience/NASA Parker Solar Probehttps://www.nasa.gov/content/parker-solar-probeGilmour Spacehttps://gilmourspace.com/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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  • Magnetic Mysteries: Unraveling Earth's Oxygen and Magnetic Field Connection
    In this episode of SpaceTime, we delve into fascinating connections between Earth's atmospheric conditions and its magnetic field, alongside intriguing insights into Mercury and the mysteries of the Sun's corona.Link Between Earth's Oxygen and Magnetic FieldA groundbreaking study published in Science Advances reveals a correlation between the fluctuations of Earth's magnetic field and atmospheric oxygen levels over the last 540 million years. Researchers suggest that processes within the Earth might influence habitability on the surface, highlighting the magnetic field's role in protecting our atmosphere from cosmic rays and solar wind. This correlation raises questions about the underlying processes linking these two critical elements for life on Earth.Unraveling Mercury's SecretsNew findings indicate that Mercury's crust and internal structure are unlike any other planet in our solar system. Laboratory simulations are aiding the European-Japanese BepiColombo mission, set to orbit Mercury in November 2026. Researchers are investigating why Mercury's core constitutes 60% of its volume, exploring theories about its metal-rich composition and volcanic history. The study emphasizes the need for more data to understand Mercury's unique characteristics and geological processes.The Ongoing Mystery of the Sun's CoronaDespite advancements in solar research, the heating of the Sun's corona remains a significant puzzle. Observations from NASA's IRIS mission and other spacecraft are shedding light on potential mechanisms, including magnetic reconnection and plasma waves. These studies are revealing the complexity of the solar atmosphere and could help scientists understand how energy is transferred from the Sun's surface to its outer layers.www.spacetimewithstuartgary.com✍️ Episode ReferencesScience Advanceshttps://www.science.org/journal/sciadvNASA IRIS Missionhttps://iris.lmsal.com/European Space Agencyhttps://www.esa.int/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 77 for broadcast on 27 June 202501:00 Link between Earth's oxygen and magnetic field12:15 Unraveling Mercury's secrets22:30 The ongoing mystery of the Sun's corona30:00 Science report: Changing seasonal rhythms and their impact on ecosystems
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  • Cosmic Threads: Discovering the Universe's Hidden Matter in Hot Gas Filaments
    In this episode of SpaceTime, we uncover significant advancements in our understanding of the universe and ongoing developments in space exploration.Astronomers Find the Universe's Missing MatterA groundbreaking study reveals that the universe's elusive normal matter is concealed within hot intergalactic gas filaments. This discovery, detailed in the journal Astronomy and Astrophysics, identifies a massive filament of gas, ten times the mass of the Milky Way, connecting four galaxy clusters. Utilizing the European Space Agency's XMM-Newton and JAXA's Suzaku X-ray space telescopes, researchers have successfully characterized this filament, providing crucial insights into the cosmic web's structure and supporting existing models of the universe.Concerns Grow Over Leaks Aboard the International Space StationFresh concerns regarding leaks aboard the International Space Station have led to delays in the SpaceX Axiom Spaceflight 4 mission. NASA is closely monitoring cabin pressure in the Russian segment of the station, where ongoing structural issues have been identified. Despite recent repairs, the situation remains a top safety priority as astronauts prepare for their upcoming mission.European Space Agency's Mars Rover ProgressThe European Space Agency's ExoMars rover, Rosalind Franklin, is back on track to land on Mars in 2028, seven years later than originally planned. This mission aims to search for signs of past life on the Red Planet and investigate its geochemical environment. With new funding and NASA's agreement to provide launch services, the Rosalind Franklin rover is undergoing final tests to ensure its success on the Martian surface.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and Astrophysicshttps://www.aanda.org/European Space Agencyhttps://www.esa.int/NASAhttps://www.nasa.gov/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 76 for broadcast on 25 June 202501:00 Astronomers find the universe's missing matter12:15 Concerns grow over leaks aboard the International Space Station22:30 European Space Agency's Mars rover progress30:00 Science report: New insights into conversion therapy and health impacts
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  • Starship Catastrophe: The Latest Test Flight Explosion and Its Implications
    In this episode of SpaceTime, we explore some of the most recent and intriguing developments in space exploration and cosmic phenomena.Starship's Latest Test Flight Ends in ExplosionSpaceX faces another setback as its 10th Starship test flight ended in a massive explosion at the Massey test stand in Boca Chica, Texas. The incident occurred just minutes before a planned static fire test of the upper stage. We discuss the details of the explosion, including early indications of a cryogenic methane leak and the implications for SpaceX's ambitious goals of interplanetary transport.A Cosmic Anomaly and Its Frightening Implications for EarthA newly discovered cosmic anomaly challenges our understanding of galaxy evolution. A distant spiral galaxy, housing a supermassive black hole billions of times the mass of the Sun, is emitting colossal radio jets stretching over 6 million light years. This finding raises alarming questions about the potential future of our own Milky Way and the dangers posed by similar jets originating from Sagittarius A, our galaxy's supermassive black hole. We delve into the study's findings and their implications for life on Earth.New Insights into Neutron StarsA groundbreaking study has provided new insights into the birth masses of neutron stars, revealing that they typically form with a mass around 1.3 times that of our Sun. Using advanced modeling techniques, researchers analyzed a sample of neutron stars in binary systems to understand their formation history better. This research opens up new avenues for interpreting gravitational wave detections and understanding the lifecycle of massive stars.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical Societyhttps://academic.oup.com/mnrasNature Astronomyhttps://www.nature.com/natureastronomy/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 75 for broadcast on 23 June 202501:00 Starship's latest test flight ends in explosion12:15 A cosmic anomaly and its frightening implications for Earth22:30 New insights into neutron stars30:00 Science report: Cannabis use linked to increased cardiovascular disease risk
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  • Cosmic Giants: Unveiling the Universe's Largest Particle Cloud
    In this episode of SpaceTime, we uncover groundbreaking discoveries and innovative advancements in the realm of space and planetary science.Record-Breaking Cosmic Structure DiscoveredAstronomers have imaged an unprecedented cosmic structure, a massive cloud of energetic particles surrounding a galaxy cluster that spans nearly 200 million light years. This remarkable finding, presented at the 246th meeting of the American Astronomical Society, challenges existing theories about particle energization, suggesting that giant shock waves and turbulence are at play rather than nearby galaxies. We delve into the implications of this discovery for our understanding of cosmic magnetic fields and the dynamics of galaxy clusters.A New Approach to Building MarsA recent study has revealed a novel method for planetary core formation, suggesting that molten sulfide rather than metal could create a core in rocky planets like Mars. This research, published in Nature Communications, offers fresh insights into the early evolution of terrestrial worlds, particularly in sulfur-rich environments. We discuss how this finding could reshape our understanding of Mars's geochemical timeline and its core formation process.High-Performance Infrared Nano AntennasScientists have developed innovative gold nano antennas that significantly enhance the capabilities of thermal infrared cameras, improving image quality and sensitivity. This advancement, led by researchers at Sandia National Laboratories, allows for clearer observations of thermal infrared radiation, with applications ranging from astronomy to national security. We explore the technology behind these nano antennas and their potential impact on various fields.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Communicationshttps://www.nature.com/ncomms/American Astronomical Societyhttps://aas.org/Sandia National Laboratorieshttps://www.sandia.gov/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 74 for broadcast on 20 June 202501:00 Record-breaking cosmic structure discovered12:15 A new approach to building Mars22:30 High-performance infrared nano antennas30:00 Science report: New dinosaur species discovered
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About 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.
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