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SpaceTime: Your Guide to Space & Astronomy

SpaceTime: Your Guide to Space & Astronomy

By: Stuart Gary
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 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.Copyright bitesz.com Astronomy Astronomy & Space Science Nature & Ecology Science
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Episodes
  • 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.
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    ✍️ 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
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    22 mins
  • 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 mins
  • 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
    This episode of SpaceTime is brought to you with the support of NordVPN...our official VPN app and the one we recommend if online security is important to you. To get the special SpaceTime listeners deal, with a 30 day money back guarantee, visit www.nordvpn.com/stuartgary or us the coupon code stuartgary at checkout.

    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
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    36 mins

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