Episodios

  • Earth's Metal Recipe: Tectonics and the Supercontinent Split

    Earth's Metal Recipe: Tectonics and the Supercontinent Split
    Sep 17 2025
    In this episode of SpaceTime, we uncover the secrets of ancient geology, explore the watery past of an asteroid, and delve into the origins of globular clusters.
    Supercontinent Breakup Revealed
    Scientists have made significant strides in understanding the breakup of the supercontinent Rodinia, which occurred over 800 million years ago. Research conducted on rare minerals in Outback Australia has revealed how niobium-rich carbonatites rose through fault zones during tectonic rifting, providing insights into the geological processes that shaped our planet. These findings not only illuminate the history of Rodinia but also highlight the importance of niobium in modern technologies, such as electric vehicles and advanced alloys.
    Water Activity on Asteroid Richie
    Exciting new research confirms that liquid water once flowed on the parent body of the near-Earth asteroid Richie, challenging previous assumptions about water activity on asteroids. Analysis of rock samples returned by Japan's Hayabusa2 mission has shown evidence of water movement through Ryugu's rocks, indicating that carbon-rich asteroids may have played a more significant role in delivering water to Earth than previously thought. This discovery has profound implications for our understanding of planetary formation and the conditions that made Earth habitable.
    Origins of Globular Clusters
    Astronomers are closer to solving the mystery of globular clusters, dense stellar systems that have puzzled scientists for centuries. Recent high-resolution computer simulations have revealed multiple pathways for their formation, suggesting that some may originate from satellite dwarf galaxies stripped of their outer stars during galactic mergers. This breakthrough could lead to new insights into dark matter and the formation of the universe's earliest stars.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Geological Magazine
    https://www.tandfonline.com/journals/tgeo20
    Nature
    https://www.nature.com/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Supercontinent Breakup Revealed
    Water Activity on Asteroid Richie
    Origins of Globular Clusters
    Más Menos
    26 m
  • Mars' Microbial Secrets: Potential Biosignatures Uncovered

    Mars' Microbial Secrets: Potential Biosignatures Uncovered
    Sep 16 2025
    In this episode of SpaceTime, we dive into groundbreaking discoveries on Mars, the intriguing atmosphere of Makemake, and the awe-inspiring total lunar eclipse that captivated millions.
    Potential Biosignatures on Mars
    NASA scientists have revealed that samples collected by the Perseverance rover from Jezero Crater may hold the best chance yet of uncovering evidence of past microbial life. The samples, taken from the rock formation known as Chiava Falls, exhibit characteristics that could indicate potential biosignatures. These findings suggest that Mars may have been habitable for longer than previously thought, challenging earlier assumptions about the planet's history.
    Atmosphere Discovered on Makemake
    In a remarkable discovery, astronomers have detected indications of a methane gas atmosphere on the distant dwarf planet Makemake. This finding, made using NASA's Webb Space Telescope, suggests the presence of a tenuous atmosphere or possibly cryovolcanic activity. Makemake, which resides in the Kuiper Belt, is now only the second known trans-Neptunian object, after Pluto, to have confirmed gaseous presence, revealing its dynamic nature and potential for active geology.
    Total Lunar Eclipse
    A stunning total lunar eclipse has mesmerised observers across Australia, Europe, Africa, and Asia. This celestial event transformed the full moon into a blood-red spectacle as Earth’s shadow obscured it. The eclipse lasted over five hours, showcasing the beauty of orbital mechanics and providing a thrilling experience for stargazers.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature
    https://www.nature.com/
    Astrophysical Journal Letters
    https://iopscience.iop.org/journal/2041-8205
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Potential Biosignatures on Mars
    Atmosphere Discovered on Makemake
    Total Lunar Eclipse
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    33 m
  • Water Origins: Comets, Satellites, and Rocket Fuels

    Water Origins: Comets, Satellites, and Rocket Fuels
    Sep 12 2025
    Sponsor Details:
    This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

    In this episode of SpaceTime, we explore fascinating insights into the origins of Earth's water, the launch of Israel's advanced spy satellite, and the development of a groundbreaking high-energy rocket fuel.
    About Earth's Water Origins
    Recent findings suggest that the water in Comet 12P Pons-Brooks shares the same isotopic signature as Earth's oceans, bolstering the hypothesis that comets played a vital role in delivering water and essential ingredients for life to our planet. Observations from the Atacama Large Millimetre/Submillimeter Array telescope reveal that the deuterium to hydrogen ratio in the comet's water is remarkably similar to that found in Earth's oceans, providing compelling evidence that some Halley-type comets may have contributed to making Earth habitable.
    Israel's New Spy Satellite Launch
    Israel has successfully launched its Ofek 19 surveillance satellite to monitor terrorist activities across the Middle East. The satellite, equipped with advanced optical and radar systems, is designed to provide high-resolution imagery under various conditions. This launch comes amid ongoing tensions in the region, as Israel seeks to enhance its intelligence capabilities in response to recent attacks.
    Revolutionary High-Energy Rocket Fuel
    Scientists have synthesised a new high-energy compound, manganese diboride, which could revolutionise rocket fuel efficiency. This innovative fuel is over 20% more energetic by weight and 150% more energetic by volume than traditional aluminium-based fuels. The safety and efficiency of manganese diboride may significantly enhance payload capacities for space missions, paving the way for more ambitious exploration efforts.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Astronomy
    https://www.nature.com/nature-astronomy/
    Journal of the American Chemical Society
    https://pubs.acs.org/journal/jacsat
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Nigel About Earth's Water Origins
    Israel's New Spy Satellite Launch
    Revolutionary High-Energy Rocket Fuel
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    20 m
  • Solar Flares, Jupiter's Core, and Life on Exoplanets

    Solar Flares, Jupiter's Core, and Life on Exoplanets
    Sep 11 2025
    Sponsor Details:
    This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

    In this episode of SpaceTime, we delve into some astounding revelations in solar physics and planetary science, including the extreme temperatures of solar flares, new insights into the formation of Jupiter's core, and the tantalising possibility of life evolving on nearby exoplanets.
    Solar Flares Hotter Than Ever Imagined
    Recent research has revealed that solar flares can reach temperatures exceeding 60 million degrees Celsius, a staggering six and a half times hotter than previously believed. This groundbreaking finding, published in the Astrophysical Journal Letters, may provide answers to a long-standing mystery regarding solar flare spectral lines. The study suggests that positively charged particles, or ions, are heated more intensely than electrons during these explosive events, leading to a significant revision of our understanding of solar flare dynamics.
    New Insights into Jupiter's Core Formation
    A new study challenges previous theories regarding the formation of Jupiter's core, suggesting that a giant impact may not be responsible for the planet's dilute core structure. Instead, it appears that Jupiter's core formed gradually through the absorption of heavy and light materials during its evolution. This revelation, supported by advanced computer simulations, indicates that the core does not have a distinct boundary but rather blends smoothly into the surrounding hydrogen layers, reshaping our understanding of gas giant formation.
    Could Life Thrive on Nearby Exoplanets?
    Exciting new research posits that life may be evolving right now on some of Earth's nearest exoplanets, despite the high levels of radiation they receive. Scientists have drawn parallels between the harsh conditions on these exoplanets and early Earth, where life first emerged amidst extreme ultraviolet radiation. This research highlights the potential for habitability on planets like Proxima b, igniting further interest in the search for extraterrestrial life.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal Letters
    https://iopscience.iop.org/journal/2041-8205
    Monthly Notices of the Royal Astronomical Society
    https://academic.oup.com/mnras
    Cornell University
    https://www.cornell.edu/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Solar Flares Hotter Than Ever Imagined
    New Insights into Jupiter's Core Formation
    Could Life Thrive on Nearby Exoplanets?
    Más Menos
    21 m
  • Martian Mysteries: Unearthing Asteroid Remnants

    Martian Mysteries: Unearthing Asteroid Remnants
    Sep 8 2025
    Sponsor Details:
    This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!

    In this episode of SpaceTime, we uncover groundbreaking discoveries in planetary science and solar physics, including the remnants of ancient asteroids on Mars, the recovery of the Mother's Day meteorite, and new insights into solar energetic particles.
    Asteroid Remnants Found in Martian Mantle
    A new study reveals that fragments from ancient asteroids, which significantly impacted Mars around 4.5 billion years ago, are now trapped within the planet's mantle. Data from NASA's Mars Insight lander has provided unprecedented insights into the Martian interior, showing that these remnants, some up to four kilometres wide, offer a unique glimpse into Mars' geological history. The findings suggest a sluggish evolution of the Martian mantle, contrasting sharply with Earth's dynamic tectonic processes.
    Mother's Day Meteorite Discovery
    In an exciting expedition, scientists from Curtin University have successfully recovered a meteorite that lit up the skies over Western Australia on Mother's Day. Using the Desert Fireball Network, researchers pinpointed the meteor's landing site and undertook a challenging journey to retrieve samples. Preliminary analysis indicates that the meteorite is an ordinary chondrite, providing valuable insights into its origins and the solar system's history.
    Tracing Super Fast Electrons from the Sun
    Astronomers have identified two distinct origins for energetic particles emitted by the Sun, thanks to observations from the European Space Agency's Solar Orbiter mission. The research highlights the difference between solar energetic electrons linked to solar flares and those associated with coronal mass ejections. Understanding these two types of solar energetic particles is crucial for predicting space weather and protecting satellites and astronauts from radiation hazards.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    NASA
    https://www.nasa.gov/
    Curtin University
    https://www.curtin.edu.au/
    European Space Agency
    https://www.esa.int/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Más Menos
    23 m
  • Cosmic Revelations: The Brightest Fast Radio Burst and New Horizons' Hibernation Journey

    Cosmic Revelations: The Brightest Fast Radio Burst and New Horizons' Hibernation Journey
    Sep 5 2025
    In this episode of SpaceTime, we uncover some of the most exciting discoveries and developments in the universe, including the detection of the brightest fast radio burst ever observed, the New Horizons spacecraft's record-setting hibernation, and an innovative method for generating oxygen in space.
    Brightest Fast Radio Burst Detected
    Astronomers have identified what is being hailed as the brightest fast radio burst (FRB) ever recorded. Catalogued as FRB 2025 0316A, this extraordinary flash of energy was detected 130 million light years away in the spiral galaxy NGC 4141. The burst's unprecedented brightness and proximity provide scientists with a unique opportunity to study its origins and the environment surrounding it, potentially shedding light on the enigmatic sources of these fleeting cosmic phenomena.
    New Horizons Enters Record Hibernation
    NASA's New Horizons spacecraft has officially begun a record-setting hibernation period as it journeys through the Kuiper Belt, now over 9.2 billion kilometres from Earth. This hibernation will last until June 2026, surpassing its previous record of 273 days. Despite being in hibernation, the spacecraft will continue to collect valuable data on charged particles and dust in the outer heliosphere, which will be transmitted back to Earth upon reactivation.
    Revolutionary Oxygen Generation in Space
    In a significant advancement for future space missions, scientists have developed a new method for generating oxygen in space using neodymium magnets to enhance the electrolysis process. This innovative approach simplifies the extraction of oxygen bubbles from water, potentially replacing complex systems currently used in microgravity environments. By leveraging magnetic forces, this technique could improve the efficiency and reliability of oxygen production for astronauts.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal Letters
    https://iopscience.iop.org/journal/2041-8205
    NASA
    https://www.nasa.gov/
    Nature Chemistry
    https://www.nature.com/nchem/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Brightest Fast Radio Burst Detected
    New Horizons Enters Record Hibernation
    Revolutionary Oxygen Generation in Space
    Más Menos
    36 m
  • Lunar Innovations: Creating Water and Fuel from Moon Dust and Psyche's Progress

    Lunar Innovations: Creating Water and Fuel from Moon Dust and Psyche's Progress
    Sep 3 2025
    In this episode of SpaceTime, we explore the latest developments in space exploration, including the European Space Agency's Juice mission, NASA's Psyche spacecraft, and groundbreaking advancements in lunar resource utilization.
    Juice Mission Back on Track
    The European Space Agency's Jupiter Icy Moons Explorer, Juice, is set for a critical flyby of Venus after overcoming a communications anomaly that temporarily severed contact with Earth. Engineers successfully restored communication with the spacecraft, which is now on its way to study Jupiter's Galilean moons—Ganymede, Callisto, and Europa—believed to harbor subsurface oceans that may support extraterrestrial life. The flyby will assist Juice in gaining the necessary speed for its journey to Jupiter, scheduled for arrival in 2031.
    Psyche Spacecraft Calibration
    NASA's Psyche spacecraft, launched in 2023, has successfully calibrated its onboard cameras as it journeys toward the metal-rich asteroid of the same name. The spacecraft aims to unlock the secrets of planetary cores and will utilize its cameras to capture images of Psyche's surface when it arrives in 2029. The calibration process includes imaging Earth and Mars to ensure the instruments perform optimally for their scientific objectives.
    Creating Resources from Moon Dust
    In a significant breakthrough, scientists have developed a method to produce water, oxygen, and methane fuel using lunar regolith, sunlight, and carbon dioxide from astronauts' breath. This innovation could drastically reduce the cost of transporting supplies from Earth to the Moon, paving the way for sustainable lunar bases and expanded space exploration capabilities.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    European Space Agency
    https://www.esa.int/
    NASA
    https://www.nasa.gov/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Juice Mission Back on TrackPsyche Spacecraft CalibrationCreating Resources from Moon Dust
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    23 m
  • Stellar Success: SpaceX's Starship Soars and Mars' Mysteries Uncovered

    Stellar Success: SpaceX's Starship Soars and Mars' Mysteries Uncovered
    Sep 1 2025
    In this episode of SpaceTime, we delve into thrilling advancements in space exploration, including a remarkable test flight of SpaceX's Starship, groundbreaking insights into Mars, and a classified mission from the United States Space Force.
    Starship's Spectacular Test Flight
    After overcoming numerous challenges, SpaceX's Starship has successfully completed its 10th test flight, launching from Texas and splashing down in the Indian Ocean. This flight demonstrated the rocket's capabilities, including a controlled splashdown of the Super Heavy booster and the successful deployment of Starlink satellite simulators. The mission provided critical data on the vehicle's performance during reentry, including stress testing its heat shield.
    New Insights into Mars
    The European Space Agency's Mars Express Orbiter has provided new observations of the Acheron Foci region, revealing the geological forces that have shaped the Red Planet. These findings highlight the impact of ancient geological upheaval and climatic shifts on Mars' landscape, offering clues about its past and the dynamic processes that continue to influence its environment today.
    Space Force's Secret Shuttle Mission
    The United States Space Force has launched its 8th X37B space shuttle mission, utilizing a SpaceX Falcon 9 rocket. This classified mission aims to test next-generation technologies, including advanced laser communication systems and quantum sensors. The versatile X37B continues to serve as a platform for various operational demonstrations and experiments in space.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    European Space Agency
    https://www.esa.int/
    NASA
    https://www.nasa.gov/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    Más Menos
    34 m