Episodios

  • Black Hole Explosions and Martian Water Loss: Unraveling Cosmic Mysteries and Planetary Secrets

    Black Hole Explosions and Martian Water Loss: Unraveling Cosmic Mysteries and Planetary Secrets
    Feb 13 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 19
    In this episode of SpaceTime, we explore astonishing discoveries in astrophysics, planetary science, and aerospace engineering.
    Astronomers Observe Possible Black Hole Explosion
    Astronomers are investigating what could be the first ever observation of a black hole explosion. A recent study published in Physical Review Letters suggests that the mysterious high-energy neutrino detected in 2023 may have originated from a quasi-extremal primordial black hole. This type of black hole, theorized to exist since the Big Bang, could explain the otherwise unexplainable energy levels of the neutrino and potentially unlock the secrets of dark matter and the fundamental nature of the universe.
    Mars' Dust Storms and Water Loss
    New research published in Communications Earth and Environment reveals that localized dust storms on Mars may play a significant role in the planet's water loss. While Mars is currently a dry desert, evidence from its surface indicates a wetter past. The study shows that intense dust storms can transport water vapor to higher altitudes, facilitating its escape into space, thus contributing to the long-standing mystery of Martian water depletion.
    Plasma Daniel for Hypersonic Testing
    A groundbreaking facility known as the plasma tunnel is now being used by scientists and engineers to simulate the extreme conditions spacecraft face during atmospheric reentry. The plasma tunnel generates high-speed plasma flows that mimic the intense heat and pressure experienced during reentry, providing critical data for developing safer and more efficient spacecraft. This innovative technology could revolutionize our understanding of hypersonic flight and enhance mission safety for future space exploration.
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    ✍️ Episode References
    Physical Review Letters, Communications Earth and Environment
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    (00:00:00) Astronomers investigate a potential black hole explosion
    (00:07:15) New study reveals how dust storms on Mars contribute to water loss
    (00:15:30) The plasma tunnel: recreating atmospheric reentry conditions
    (00:22:45) Science report: Genetic factors influencing life expectancy
    (00:30:00) Bigfoot sightings and cultural phenomena in America
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    24 m
  • Dark Matter's Role and Lunar Mysteries: Unraveling the Secrets of Our Galaxy and Moon's Interior

    Dark Matter's Role and Lunar Mysteries: Unraveling the Secrets of Our Galaxy and Moon's Interior
    Feb 11 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 18
    In this episode of SpaceTime, we explore groundbreaking theories about the nature of dark matter, the thermal differences between the lunar far and near sides, and new revelations regarding Jupiter's dimensions.
    Dark Matter's Role in the Milky Way
    A new study suggests that dark matter could be the driving force behind the gravitational dynamics of our Milky Way galaxy. Researchers propose that a clump of fermionic dark matter might exert similar gravitational influence as the supermassive black hole at the galaxy's center, Sagittarius A. This theory challenges conventional understanding and is supported by data from the European Space Agency's Gaia mission, which mapped the galaxy's outer halo and rotational curve, indicating a potential new model for understanding galactic structures.
    Lunar Far Side's Cooler Interior
    Recent findings published in Nature Geoscience indicate that the lunar far side may be significantly cooler than the near side. Analyzing samples collected by China's Chang'e 6 mission, scientists discovered that the far side's regolith formed from lava at temperatures approximately 100 degrees Celsius lower than those from the near side. This study provides insight into the Moon's geological history and the uneven distribution of heat-producing elements, which may have resulted from ancient impacts or tidal forces from Earth.
    Jupiter's Slimmer Profile
    New measurements from NASA's Juno mission reveal that Jupiter is actually slimmer than previously thought, being about 8 kilometers narrower at the equator and 24 kilometers flatter at the poles. These findings refine our understanding of the gas giant's shape and have implications for models of planetary formation and evolution. The data also sheds light on Jupiter's atmospheric dynamics, including its powerful winds and cyclones, enhancing our knowledge of gas giants both within our solar system and beyond.
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    ✍️ Episode References
    Monthly Notices of the Royal Astronomical Society, Nature Geoscience, Nature Astronomy
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    (00:00:00) New study claims that mysterious substance called dark matter could be powering our Milky Way
    (00:08:01) New study suggests lunar far side may be a little bit colder than near side
    (00:12:52) Space Time is brought to you by Squarespace. com spacetime
    (00:14:23) New measurements based on NASA's Juno mission reveal Jupiter is much smaller than previously thought
    (00:18:16) People with depressive personalities far more likely to have sexual fantasies, study finds
    (00:20:34) New test shows artificial intelligence chatbot admitting it would kill to save itself
    (00:27:09) Already we have security companies treating AI chatbots like humans
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    30 m
  • Solar Storms and Artemis Delays: Navigating the Fury of the Sun and Lunar Ambitions

    Solar Storms and Artemis Delays: Navigating the Fury of the Sun and Lunar Ambitions
    Feb 9 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 17
    In this episode of SpaceTime, we delve into the recent powerful solar storm that has impacted Earth, the delay of NASA's Artemis 2 manned moon mission, and China's ambitious plans for a futuristic orbital space carrier.
    Massive Solar Storm Hits Earth
    The sun has unleashed a barrage of solar eruptions, including 41 N-class flares and six X-class flares, with an X8.1 class flare setting a new record for 2026. This storm is described as the strongest radiation event in 20 years, with scientists noting its potential similarity to the historic 1859 Carrington event. The solar activity has disrupted radio communications and produced stunning auroras, while the sun continues its 11-year solar cycle.
    Nasa's Artemis 2 Mission Delayed
    NASA has postponed the launch of its Artemis 2 manned moon mission due to fuel leaks during a critical launch rehearsal. The mission aims to send a crew of four aboard an Orion spacecraft on a 10-day journey around the moon. The delays stem from issues with the SLS rocket's hydrogen tanks and other technical challenges, with new launch windows opening in March.
    China's Orbital Space Carrier Plans
    China has announced plans for a Star Wars-style orbital space carrier named Luanio, designed to deploy hypersonic missiles and unmanned stealth drones. This massive spacecraft would be part of an ambitious defense system, although the technology to build such a vehicle is still in the realm of science fiction. The announcement comes amid tensions between the U.S. and China regarding military advancements.
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    31 m
  • Europa's Ice Shell and Planet Nine: Unveiling the Thickness of Frozen Worlds and Cosmic Oddities

    Europa's Ice Shell and Planet Nine: Unveiling the Thickness of Frozen Worlds and Cosmic Oddities
    Feb 7 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 16
    In this episode of SpaceTime, we dive into groundbreaking revelations about Europa's ice shell, explore new evidence for the existence of a potential Planet Nine, and discuss a significant advancement in quantum physics that challenges the Heisenberg Uncertainty Principle.
    Europa's Ice Shell Thickness Revealed
    Data from NASA's Juno mission has provided the first insights into the thickness of Europa's icy crust, estimating it to be around 29 kilometers. This measurement comes from Juno's 2022 flyby, where the spacecraft utilized its microwave radiometer to analyze the moon's surface temperature and characteristics. The findings suggest that beneath this thick ice lies a global ocean of liquid water, potentially harboring the ingredients necessary for life. Understanding the ice shell's structure is crucial for future missions, including NASA's Europa Clipper, set to arrive in 2030.
    The Case for Planet Nine
    A new study published in Nature Astronomy presents fresh simulations suggesting that wide-orbit planets, like the hypothesized Planet Nine, could be a natural outcome of chaotic early planetary systems. Researchers found that during turbulent phases of stellar formation, planets can be flung into distant orbits rather than being ejected entirely. This work offers a 40% chance that a Planet Nine-like object exists, providing a promising avenue for future exploration as telescopes become more capable of surveying the distant solar system.
    Advancements in Quantum Physics
    In a remarkable breakthrough, physicists have demonstrated a method to sidestep the Heisenberg Uncertainty Principle, allowing for simultaneous precise measurements of a particle's position and momentum. This innovative approach, detailed in Science Advances, could pave the way for ultra-precise sensor technologies across various fields, including navigation and astronomy. The study redefines the boundaries of quantum measurement, offering new possibilities for scientific exploration.
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    ✍️ Episode References
    Nature Astronomy
    Science Advances
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    20 m
  • Mercury's Hidden Activity and Titan's Dragonfly: Exploring Volatile Streaks and Robotic Rotocopters

    Mercury's Hidden Activity and Titan's Dragonfly: Exploring Volatile Streaks and Robotic Rotocopters
    Feb 4 2026
    SpaceTime with Stuart Gary Gary - Series 29 Episode 15
    In this episode of SpaceTime, we uncover intriguing discoveries about Mercury's geological activity, NASA's innovative Dragonfly mission to Titan, and the environmental impacts of rocket fuel pollution.
    Mercury's Surprising Streaks
    A new study reveals bright streaks, or lineae, on Mercury's surface, suggesting the planet is not as geologically inactive as previously thought. Researchers from the University of Bern utilized machine learning to analyze over 100,000 images from NASA's MESSENGER spacecraft, discovering that these streaks are likely caused by the outgassing of volatile materials from beneath Mercury's crust. This finding indicates ongoing geological processes and will be further explored by the BepiColombo mission, set to reach Mercury later this year.
    NASA's Dragonfly Mission to Titan
    NASA is developing the Dragonfly, a car-sized rotocopter designed to explore Saturn's moon Titan, which features methane and ethane lakes. Scheduled for launch in 2028, Dragonfly will utilize Titan's dense atmosphere to fly to various locations, examining environments that may harbor organic materials essential for life. The mission builds on the success of the Ingenuity rotocopter on Mars, with extensive testing underway to ensure optimal performance in Titan's unique conditions.
    Rocket Fuel Pollution and the Ozone Layer
    A recent study highlights the damaging effects of burning rocket fuels, such as kerosene, on Earth's ozone layer. The report indicates that the rapid growth of the rocket launch industry is exacerbating this issue, particularly affecting regions like Antarctica and parts of Australia. Researchers are calling for restrictions on the use of these fuels to mitigate environmental harm.
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    ✍️ Episode References
    Nature Communications, Earth and Environment
    Climate and Atmospheric Science
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    (00:00:00) Streaks on the surface of Mercury suggesting it's not quite dead yet
    (00:11:13) Burning rocket fuel damages Earth's ozone layer, study finds
    (00:12:28) A new study claims cyber attacks can spark intense social media discussions
    (00:14:53) Apple bans anti woke Holly Valent song from iTunes in Australia
    (00:16:39) Apple has now had hypertension notifications authorized by the TGN
    (00:18:04) Space Time is available every Monday, Wednesday and Friday through bitesz. com
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    19 m
  • Earth's Water Origins and Io's Volcanic Secrets: Unveiling Tectonic Climate Drivers and Lunar Archives

    Earth's Water Origins and Io's Volcanic Secrets: Unveiling Tectonic Climate Drivers and Lunar Archives
    Feb 3 2026
    In this episode of SpaceTime, we explore new insights into the origins of Earth's water, groundbreaking discoveries beneath the surface of Jupiter's volcanic moon Io, and how tectonic plate movements may have influenced Earth's climate throughout history.
    New Clues on Earth's Water Origins
    A recent study published in the Proceedings of the National Academy of Sciences reveals that asteroid and comet impacts could only account for a small fraction of Earth's water supply. By analyzing oxygen isotopes in lunar regolith collected during the Apollo missions, researchers found that the early Earth likely retained little to no water during its formative years. This challenges long-held beliefs and suggests that the majority of Earth's water must have originated from other sources, rather than being delivered by celestial bodies.
    Unprecedented Volcanic Activity on Io
    NASA's Juno spacecraft has captured remarkable data on Io, the most volcanically active body in our solar system. Observations from a December flyby revealed the most energetic eruption ever detected on Io, affecting a vast area of 65,000 square kilometers. The findings indicate that interconnected magma reservoirs beneath Io's surface are responsible for this extraordinary volcanic activity, providing new insights into the moon's geological dynamics and evolution.
    Tectonic Plates and Earth's Climate
    A new study suggests that carbon released from shifting tectonic plates may have played a significant role in Earth's climatic transitions, rather than volcanic activity as previously thought. Researchers reconstructed carbon movements over the last 540 million years, providing evidence that carbon emissions from mid-ocean ridges were the primary drivers of climate shifts between ice ages and warmer periods. This research reshapes our understanding of past climate dynamics and offers valuable insights for future climate models.
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    ✍️ Episode References
    Proceedings of the National Academy of Sciences
    Journal of Geophysical Research Planets
    Communications Earth and Environment
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    23 m
  • Cosmic Echoes and Jovian Secrets: Unraveling the Milky Way's Black Hole and Jupiter's Water Mysteries

    Cosmic Echoes and Jovian Secrets: Unraveling the Milky Way's Black Hole and Jupiter's Water Mysteries
    Jan 30 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 13
    In this episode of SpaceTime, we uncover the hidden violent past of the Milky Way's supermassive black hole, delve into the origins of water on Jupiter's Galilean moons, and explore how meteor impacts are triggering dust avalanches on Mars.
    The Violent History of Sagittarius A
    For years, Sagittarius A, the supermassive black hole at the center of our galaxy, has been perceived as a quiet entity. However, new research published in the Astrophysical Journal Letters indicates that it may have experienced dramatic flares in the past. Observations from the CRISM Space Telescope reveal X-ray emissions from a gas cloud near Sagittarius A, suggesting a history of explosive activity that alters our understanding of supermassive black hole evolution and the history of our galaxy.
    Water Origins of Jupiter's Galilean Moons
    A groundbreaking study has determined that the contrasting water content of Jupiter's four large Galilean moons was established during their formation rather than evolving later. This research sheds light on the stark differences between Io, which is dry and volcanically active, and Europa, believed to have a subsurface ocean. The findings suggest that the primordial environment around Jupiter played a crucial role in shaping these moons' compositions.
    Meteor Impacts Trigger Dust Avalanches on Mars
    New evidence indicates that meteor impacts on Mars are causing dust avalanches, creating dark streaks on the planet's surface. An analysis of images from the European Space Agency's ExoMars Trace Gas Orbiter reveals that these avalanches occur primarily due to dry processes, driven by seasonal dust and wind activity, rather than water-related phenomena. This discovery enhances our understanding of Martian surface dynamics and the impact of meteor activity.
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    ✍️ Episode References
    Astrophysical Journal Letters
    Nature Communications
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    (00:00:00) Sagittarius A's hidden violent past revealed
    (00:12:45) Origins of water on Jupiter's Galilean moons
    (00:25:30) Meteor impacts causing dust avalanches on Mars
    (00:35:00) February night sky highlights and celestial events.
    (00:00:00) This is space time series 29, episode 13 for broadcast on 30 January 2026
    (00:00:47) X ray emissions from the Crism Space Telescope suggest Sagittarius A flared
    (00:07:59) A new study claims dust avalanches caused by meteor impacts are creating Martian streaks
    (00:10:22) February is the second month of the year in the Julian and Gregorian calendars
    (00:12:03) February's Orion meteor showers usually peak around February 8th
    (00:22:18) Blue supergiant Rigel is the second brightest star in the constellation Orion
    (00:31:08) Rygel: Sirius is the brightest star in the night sky
    (00:35:09) February is a great time to look for bright stars in the night sky
    (00:38:04) The night sky is sparse with the old planets at the moment
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    43 m
  • Earth's Hidden Mantle Secrets: Mars' Blue Past and the Cosmic Gas Pipeline of Galaxy Growth

    Earth's Hidden Mantle Secrets: Mars' Blue Past and the Cosmic Gas Pipeline of Galaxy Growth
    Jan 28 2026
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    SpaceTime with Stuart Gary Gary - Series 29 Episode 12
    In this episode of SpaceTime, we uncover groundbreaking discoveries about Earth's mantle, the watery past of Mars, and the rapid growth of galaxies through cool gas filaments.
    Distinct Histories of Earth’s Mantle Provinces
    Recent research reveals that the two massive continent-sized regions deep within the Earth's mantle have unique chemical compositions and histories. This study challenges long-held assumptions and uses seismic wave data to illustrate how these large low velocity provinces differ in density and material, impacting the planet's heat extraction from the core and potentially affecting the stability of Earth's magnetic field.
    Confirmation of Mars as a Blue Planet
    New evidence from ancient Martian river deltas suggests that Mars was once covered by a vast ocean. High-resolution images reveal delta-like structures, indicating that water once flowed into an ocean approximately 3 billion years ago. This discovery supports the notion of a once habitable environment on Mars, offering insights into its geological history and the potential for life.
    Galaxies Growing Through Cool Gas Filaments
    A fascinating new study has demonstrated how galaxies can rapidly grow by drawing in filaments of cool gas. Observations from the Keck Telescope's Cosmic Webb Imager provide direct evidence of these gas streams spiraling into galaxies, fueling star formation at unprecedented rates. This research offers significant insights into the processes of galaxy formation and the role of the cosmic web in shaping the universe.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Scientific Reports
    MPJ Space Exploration
    Nature Astronomy
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    (00:00:00) Distinct histories of Earth's mantle provinces
    (00:12:15) Mars confirmed as a blue planet with ancient ocean
    (00:25:30) Galaxies grow rapidly through cool gas filaments
    (00:35:00) Discovery of the oldest known rock art in the world.
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    25 m