SpaceTime: Your Guide to Space & Astronomy Podcast Por Stuart Gary capa

SpaceTime: Your Guide to Space & Astronomy

SpaceTime: Your Guide to Space & Astronomy

De: 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 Ciências
Episódios
  • Stellar Giants and Cosmic Mysteries: The Most Massive Black Hole Merger Yet

    Stellar Giants and Cosmic Mysteries: The Most Massive Black Hole Merger Yet
    Nov 5 2025
    In this episode of SpaceTime, we dive into groundbreaking astronomical discoveries that challenge our understanding of the universe.
    The Most Massive Stellar Black Hole Merger Ever Observed
    Astronomers have detected the most massive stellar black hole merger to date, cataloged as GW23 1123, which resulted in a black hole with a staggering mass of 225 times that of our Sun. This episode discusses the implications of this merger, observed by the LIGO Virgo Collaboration, and how it pushes the boundaries of current theories on black hole formation. The rapid spinning of the resulting black hole raises intriguing questions about the processes that lead to such massive objects in the cosmos.
    Unraveling the Mystery of Dark Matter
    Can radio telescopes and NASA's IMAP mission provide answers to the enigma of dark matter? New research suggests that during the cosmic dark ages, dark matter clumped together, pulling in hydrogen gas that emitted powerful radio waves. This segment explores how these signals could potentially illuminate the properties of dark matter, which remains one of the biggest mysteries in astrophysics.
    Navigating the Heliosphere with IMAP
    NASA's Interstellar Mapping and Acceleration Probe (IMAP) is on a mission to study the heliosphere, the protective bubble created by the solar wind. As it travels towards its operational position, IMAP will provide unprecedented insights into the interactions between the solar wind and interstellar space, enhancing our understanding of space weather and its effects on our planet and future space exploration.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Nature Astronomy
    https://www.nature.com/natureastronomy/
    Proceedings of the National Academy of Sciences
    https://www.pnas.org/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    The Most Massive Stellar Black Hole Merger Ever Observed
    Unraveling the Mystery of Dark Matter
    Navigating the Heliosphere with IMAP
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    30 minutos
  • Interstellar Comet 3I Atlas and Hidden Ice: Unraveling Mysteries of Water and Galaxies

    Interstellar Comet 3I Atlas and Hidden Ice: Unraveling Mysteries of Water and Galaxies
    Nov 4 2025
    In this episode of SpaceTime, we explore a trio of intriguing astronomical phenomena that are reshaping our understanding of the cosmos.
    Interstellar Comet 3I Atlas: A Close Encounter
    Interstellar comet 3I Atlas has reached its perihelion, passing closest to the Sun without any signs of alien life forms, despite wild media speculation. This episode discusses how the comet maintained its expected trajectory and velocity, while also revealing groundbreaking findings from NASA's Swift Space Telescope, which detected ultraviolet signatures of water from the comet, providing new insights into the chemistry of interstellar objects and their potential to harbour the building blocks of life.
    A Colossal Gas Bridge Between Dwarf Galaxies
    Astronomers have discovered a massive bridge of neutral hydrogen gas linking two dwarf galaxies, NGC 4532 and DDO 137, located approximately 53 million light years away. This remarkable structure spans an astonishing 185,000 light years and is accompanied by a vast tail of gas extending 1 million light years. The findings shed light on how galaxies interact and evolve, particularly in dense environments like the Virgo Cluster, and offer crucial insights into the dynamics of galactic gas and star formation.
    Volcanic Eruptions and Hidden Ice on Mars
    A new study suggests that explosive volcanic eruptions on ancient Mars may have transported water ice to the equatorial regions of the Red Planet. Using computer modelling, researchers propose that water vapour released during these eruptions could have frozen in the Martian atmosphere, leading to the accumulation of significant ice deposits. This discovery could have profound implications for future human exploration of Mars, as it raises questions about the availability of water resources in unexpected locations.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal Letters
    https://iopscience.iop.org/journal/2041-8205
    Nature Communications
    https://www.nature.com/naturecommunications/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    Interstellar Comet 3I Atlas: A Close Encounter
    A Colossal Gas Bridge Between Dwarf Galaxies
    Volcanic Eruptions and Hidden Ice on Mars
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    25 minutos
  • Martian Ice and Cosmic Shadows: Unveiling Life and Dark Matter Mysteries

    Martian Ice and Cosmic Shadows: Unveiling Life and Dark Matter Mysteries
    Oct 31 2025
    In this episode of SpaceTime, we delve into groundbreaking discoveries that could reshape our understanding of life on Mars and the cosmos beyond.
    Martian Ice: A Potential Reservoir for Life
    A recent study suggests that Martian ice may be the most promising location to search for signs of ancient microbial life. Researchers found that biomolecules from dormant microbes degrade significantly slower in pure water ice compared to Martian soil mixtures. This discovery, published in the journal Astrobiology, raises hopes that future missions to Mars could uncover preserved organic materials in its icy regions, potentially revealing the planet's biological history.
    A Mysterious Dark Object in the Universe
    Astronomers have identified the lowest mass dark object ever detected, with a mass about a million times that of our Sun. This enigmatic object, reported in Nature Astronomy, may offer insights into the nature of dark matter, which constitutes a significant portion of the universe's mass. The object was detected through gravitational lensing, and its small size challenges existing theories about dark matter's composition and distribution.
    NASA's Call for Lunar Mission Bids
    NASA is seeking new bids for its Artemis Moon program, aiming to foster competition among American companies to return humans to the lunar surface. With ongoing delays from SpaceX, NASA Administrator Sean Duffy emphasizes the urgency of the mission as the U.S. races against China to achieve lunar exploration milestones. The upcoming Artemis missions promise to be pivotal in establishing a sustainable human presence on the Moon.
    November Skywatch with Jonathan Nally
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrobiology Journal
    https://www.liebertpub.com/journals/astrobiology/1
    Nature Astronomy
    https://www.nature.com/natureastronomy/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
    Martian Ice: A Potential Reservoir for Life
    A Mysterious Dark Object in the Universe
    NASA's Call for Lunar Mission Bids
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    32 minutos
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