Episodios

  • Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries

    Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries
    May 23 2025
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    This episode of SpaceTime delves into groundbreaking discoveries and theories that reshape our understanding of the universe, including the origins of dark matter, the first visible light auroras on Mars, and new insights into massive X-ray explosions near supermassive black holes.
    The Birth of Dark Matter Explained
    A new hypothesis suggests that dark matter, which constitutes about 85% of the universe's mass, may have originated from massless particles that condensed as they slowed down. This theory, outlined in the journal Physical Review Letters, proposes that these particles formed during the early universe's chaotic conditions, akin to steam turning into water. We discuss how this model could be tested using existing cosmic microwave background radiation data, potentially revolutionizing our understanding of dark matter's properties and formation.
    Visible Light Auroras on Mars
    In a historic achievement, NASA's Perseverance rover has captured the first visible light auroras on Mars, confirming long-held theories about Martian atmospheric phenomena. This event, triggered by a massive solar flare, opens up new avenues for auroral research and suggests that future astronauts could witness these stunning displays on the Martian surface. We explore the implications of this discovery and how it enhances our understanding of solar interactions with planetary atmospheres.
    Quasiperiodic Eruptions: A New Type of X-ray Explosion
    Astronomers have identified a new type of X-ray outburst known as quasiperiodic eruptions, occurring near supermassive black holes. Observed in a galaxy 300 million light-years away, these eruptions exhibit a unique pattern, with events occurring every 4.5 days. We discuss the mechanisms behind these eruptions and their significance in understanding the dynamics of black holes and their surrounding environments.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Physical Review Letters
    https://journals.aps.org/prl/
    Science Advances
    https://www.science.org/journal/sciadv
    Astrophysical Journal
    https://iopscience.iop.org/journal/0004-637X
    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 62 for broadcast on 23 May 2025
    01:00 New theory explaining the birth of dark matter
    12:15 First visible light auroras detected on Mars
    20:30 Discovery of quasiperiodic eruptions near supermassive black holes
    30:00 Science report: AI chatbots exaggerate research summaries
    Más Menos
    23 m
  • Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years

    Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years
    May 21 2025
    This episode of SpaceTime explores the recent surge in solar activity, including the largest solar flare of the year and the most intense geomagnetic storm in two decades.Massive Solar Flare and Its Implications
    We delve into the details of a powerful X 2.7 class solar flare that erupted from a newly active sunspot region, AR14087. Although the flare was not initially directed towards Earth, its rotation has now positioned it directly in our path. We discuss the mechanics of solar flares, their classification, and the potential impacts of such events on our planet, including disruptions to communication systems, satellite operations, and even power grids.The Gannon Storm: A Historic Geomagnetic Event
    The episode highlights the Gannon Storm, a severe geomagnetic storm that struck Earth on May 10, 2024. Coinciding with a space weather exercise, this event caused significant disruptions, including high voltage power line failures and rerouted flights due to radiation exposure. We analyze its effects on the atmosphere, satellites, and even the ionosphere, revealing insights into how such storms can impact modern technology.Ancient Solar Storms and Their Modern Implications
    In a fascinating segment, we discuss a groundbreaking study that identifies the strongest solar storm ever recorded, dating back to 12350 BCE. This ancient event, significantly more intense than any modern storm, provides invaluable data for understanding solar activity and its potential risks to contemporary infrastructure.Science Robert: Long Work Hours and Brain Changes
    We also touch on a new study revealing how long working hours could alter brain structures, potentially affecting memory and emotional regulation.Join us as we unpack these cosmic phenomena and their implications for life on Earth and beyond.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Journal of Occupational Environmental Medicine
    https://journals.lww.com/joem/Pages/default.aspx
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 Solar flares are powerful blasts of energy erupting from sunspots
    10:30 May 2024 was the biggest geomagnetic storm in over 20 years
    14:29 New study reveals strongest solar event ever recorded, rewriting science on space weather
    18:23 A new study claims people who work long hours could have altered brain structures
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    23 m
  • Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact

    Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact
    May 19 2025
    This episode of SpaceTime covers a range of exciting topics, including the delayed launch of Gilmour Space's Eris rocket, groundbreaking discoveries on Venus, and a billion-year-old asteroid impact in Scotland that raises new questions about the evolution of life on Earth.
    Eris Rocket Launch Delayed
    Gilmour Space has postponed the maiden launch of its Eris orbital rocket due to technical issues encountered during pre-flight checks. The rocket, designed to carry small satellite payloads, will now face a delay of at least three weeks as the company investigates the unexpected deployment of the launch vehicle's nosecone fairings. We discuss the implications of this delay and what it means for future commercial launches.
    Tectonic Activity on Venus
    In a fascinating discovery, scientists have identified possible tectonic activity on Venus, based on data from NASA's Magellan mission. Researchers found evidence of unique geological features known as coronae, which may indicate ongoing deformation of the planet's surface due to molten material from below. This research not only enhances our understanding of Venus but also offers insights into Earth's geological history.
    Ancient Asteroid Impact in Scotland
    A recent study has revealed that a massive asteroid impact in Scotland occurred 990 million years ago, much later than previously thought. This discovery, based on dating tiny zircon crystals, suggests a connection between this impact event and the emergence of early freshwater eukaryotes on land. We delve into the implications of this revised timeline for our understanding of life on Earth and the environmental changes triggered by such impacts.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Science Advances
    https://www.science.org/journal/sciadv
    Journal of Geology
    https://www.geosociety.org/publications/gsa/geo.asp
    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 60 for broadcast on 19 May 2025
    00:54 Gilmour Space's Eris rocket launch delayed
    10:15 Possible tectonic activity discovered on Venus
    18:45 Billion-year-old asteroid impact in Scotland raises questions about early life on Earth
    25:00 Science report: Unexplained communications equipment found in Chinese-made solar panel inverters
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    30 m
  • Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress

    Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress
    May 16 2025
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    This episode of SpaceTime dives deep into the intriguing findings from Mars, the peculiar behavior of a family of stars, and the latest developments in NASA's Artemis program.
    Possible Martian Biosignatures
    Scientists are captivated by the potential detection of biosignatures in a rock sample named Chayava Falls, collected by NASA's Perseverance rover. This rock, filled with unique chemical signatures, raises questions about the possibility of ancient microbial life on Mars. The analysis reveals organic compounds and distinctive structures, prompting further investigation to determine their origins and implications for past life on the Red Planet.
    Strange Stellar Family
    In an unexpected discovery, astronomers have identified a cluster of over a thousand young stars, named Ophion, that are behaving in a chaotic manner, rapidly dispersing instead of forming stable groups. This unusual behavior challenges existing theories about star formation and raises questions about the influences of nearby massive stellar groups and past supernovae on their movement.
    Artemis 2 Orion Capsule Delivered
    The Orion capsule designated for NASA's Artemis 2 mission has officially been handed over to NASA after final assembly and testing. This advanced spacecraft is set to carry a crew of four on a mission to orbit the Moon, marking a significant step towards future lunar exploration. We discuss the enhancements made to Orion since Artemis 1 and the preparations for its upcoming launch.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal
    https://iopscience.iop.org/journal/0004-637X
    NASA Perseverance Rover
    https://mars.nasa.gov/mars2020/
    NASA Artemis Program
    https://www.nasa.gov/artemis
    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 59 for broadcast on 16 May 2025
    00:54 Possible biosignatures detected on Mars
    12:15 The unusual behavior of the Ophion star cluster
    20:30 Artemis 2 Orion capsule delivered to NASA for preparations
    25:00 Science report: Technology use around children and its effects on health
    Más Menos
    23 m
  • Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers

    Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers
    May 14 2025
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    This episode of SpaceTime delves into the latest revelations in the cosmos, exploring groundbreaking theories about dark matter and the future of lunar exploration.
    New Insights into Dark Matter
    Astronomers have made a significant breakthrough in understanding dark matter, revealing a potential new type of less massive dark matter at the center of the Milky Way. This study, published in Physical Review Letters, suggests that huge clouds of positively charged hydrogen may be linked to this elusive substance. The findings challenge existing models of dark matter, proposing that lighter particles may be responsible for unexplained chemical reactions observed in the galactic center.
    Lunar Gateway Space Station Takes Shape
    In an exciting development for lunar exploration, the first habitation module for the Lunar Gateway Space Station has arrived in the United States. Known as the Habitation and Logistics Outpost (HALO), this module will serve as a command hub for future missions to the Moon and Mars. We discuss the integration of HALO with the Power and Propulsion Element and the implications for the Artemis program.
    Space Junk Threatens the ISS
    We also cover the alarming increase in space debris, as NASA is forced to maneuver the International Space Station to avoid a potential collision with fragments of a Chinese rocket. This ongoing issue highlights the growing challenges of maintaining a safe orbital environment for astronauts aboard the ISS.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Physical Review Letters
    https://journals.aps.org/prl/
    NASA Lunar Gateway
    https://www.nasa.gov/gateway
    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 58 for broadcast on 14 May 2025
    00:54 New insights into dark matter in the Milky Way
    10:30 The Lunar Gateway Space Station's HALO module arrives
    17:15 Space junk threatens the International Space Station
    20:45 Science report: Insights into Earth's population growth and continental movement
    Más Menos
    22 m
  • Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate

    Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate
    May 13 2025
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    This episode of SpaceTime explores remarkable discoveries and urgent cosmic events that are reshaping our understanding of the universe.
    New Giant Galaxies Discovered
    Astronomers unveil the discovery of 15 new giant radio galaxies, each spanning over 3 million light years and hosting supermassive black holes. Utilizing the advanced capabilities of the Australian Square Kilometer Array Pathfinder (ASCAP), researchers reveal the unique characteristics of these galaxies, including their powerful jets and lobes traveling at superluminal speeds. We delve into the implications of these findings for our understanding of galaxy formation and evolution.
    Changes on Titan
    Next, we discuss the intriguing changes occurring on Saturn's moon Titan, which is experiencing rapid orbital changes on geological timescales. Scientists explore the factors influencing Titan's tidal dissipation rate and what it reveals about the moon's internal structure and history. This study provides insights into the dynamic processes at play in our solar system's moons.
    Failed Soviet Spacecraft Returns
    We also cover the dramatic re-entry of the Kosmos 482, a failed Soviet spacecraft that spent 53 years in orbit before crashing back to Earth. Launched in 1972 on a mission to Venus, the spacecraft's uncontrolled descent raises concerns about space debris and its potential impact on Earth.
    AI and Humanity's Future
    Finally, we tackle the controversial topic of artificial intelligence and its potential risks to humanity. With AI evolving at an unprecedented pace, we examine the findings of a new study that assesses the likelihood of AI leading to human extinction. As science fiction warns of a future dominated by AI, we explore the reality of these threats and what they mean for our future.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Science Advances
    https://www.science.org/journal/sciadv
    Journal of the American Medical Association
    https://jamanetwork.com/journals/jama
    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 57 for broadcast on 12 May 2025
    00:54 Astronomers have discovered 15 giant radio galaxies each hosting a supermassive black hole
    09:35 You're still learning about these galaxies
    11:57 Now you, uh, mentioned starburst galaxies earlier. What are we seeing in elliptical galaxies when this happens
    15:04 Foreign astronomers have discovered that the orbit of the moon Titan is changing quickly
    18:49 A failed Soviet era spacecraft has crashed back to Earth
    21:24 New study claims there's still little chance of artificial intelligence actually exterminating humanity
    25:39 Using cannabis during pregnancy may increase risk of several adverse birth outcomes, study finds
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    36 m
  • Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles

    Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles
    May 9 2025
    Sponsor Details
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    In this episode of SpaceTime, we unveil a stunning new ultraviolet map of the Milky Way galaxy, thanks to NASA's New Horizons spacecraft. This groundbreaking observation, published in the Astronomical Journal, provides astronomers with unprecedented insights into the galactic environment surrounding our solar system. We discuss how these findings challenge existing theories about interstellar hydrogen emissions and reveal the complex structures of hot interstellar gas bubbles.
    Exploring Mars with Perseverance
    Next, we follow NASA's Perseverance Rover as it investigates the intriguing rock formations at the Jezero crater rim. Discover how the rover is analyzing the contrasting layers of rock, searching for clues about Mars's geological history and the processes that shaped its surface.
    Psyche Spacecraft Troubles
    Finally, we address the ongoing investigation into a significant issue with the electric propulsion system of NASA's Psyche spacecraft. Launched in 2023, this mission aims to explore the metallic asteroid 16 Psyche. We delve into the challenges faced by mission managers and discuss potential solutions to ensure the spacecraft continues on its path to unravel the mysteries of planetary cores.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astronomical Journal
    https://iopscience.iop.org/journal/0004-637X
    NASA Perseverance Rover
    https://mars.nasa.gov/mars2020/
    NASA Psyche Mission
    https://www.nasa.gov/psyche
    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 56 for broadcast on 9 May 2025
    00:45 NASA's New Horizons spacecraft reveals a new ultraviolet map of the Milky Way
    12:30 Mars Perseverance Rover continues its exploration of Jezero crater
    18:15 NASA investigates issues with the Psyche spacecraft's electric propulsion system
    22:00 Skywatch: May night skies and celestial events
    Más Menos
    36 m
  • The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate

    The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate
    May 7 2025
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    This episode of SpaceTime dives deep into the cosmos, revealing groundbreaking insights into the origins of heavy elements and the geological history of Mars.First, we explore a revolutionary study that uncovers how giant exploding stars produce uranium and other heavy elements. Researchers are now investigating gamma-ray burst jets and the surrounding cocoon formed by collapsed stars. This new framework suggests that high-energy photons can dissolve stellar material into neutrons, leading to the creation of heavy elements through a rapid neutron capture process. We discuss the implications of these findings and how they challenge long-held beliefs about nucleosynthesis in the universe.Shattering Beliefs About Asteroid Vesta
    Next, we turn our attention to the asteroid Vesta, where a recent study published in Nature Astronomy reveals that its interior structure is far more uniform than previously thought. This discovery has led scientists to reconsider Vesta's identity, proposing that it may simply be a large asteroid rather than a protoplanet. We examine the research that challenges decades of assumptions about Vesta's formation and its role in understanding the early solar system.Did It Rain or Snow on Ancient Mars?
    Finally, we investigate the ancient climate of Mars, with a new study suggesting that geological formations on the planet were shaped by heavy precipitation, indicating a warmer and wetter past. This research utilizes computer simulations to analyze how rain and snow may have contributed to the development of Martian valleys and channels. We discuss the significance of these findings and their implications for our understanding of Mars's climatic history.www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal
    https://iopscience.iop.org/journal/0004-637X
    Nature Astronomy
    https://www.nature.com/natureastronomy/
    Journal of Geophysical Research Planets
    https://agupubs.onlinelibrary.wiley.com/journal/21699356
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 New study provides clues explaining how exploding stars produce uranium and other heavy elements
    06:21 New study suggests giant asteroid Vesta is really just a big asteroid
    15:19 New study suggests heavy precipitation likely fed valleys on ancient Mars
    19:49 A new study warns that microplastic pollution could compromise ocean carbon
    22:17 More than 31,000 passwords belonging to Australian banks have been stolen
    24:47 Space Time is available every Monday, Wednesday and Friday through bitesz.com
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    29 m
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