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SpaceTime: Your Guide to Space & Astronomy

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.

  1. Exoplanets Galore: Celebrating 6,000 Discoveries and Exploring Venus

    قبل ١٢ ساعة

    Exoplanets Galore: Celebrating 6,000 Discoveries and Exploring Venus

    In this episode of SpaceTime, we celebrate a major milestone in exoplanet discoveries, unravel the enigmatic surface of Venus, and delve into the intriguing tale of interstellar comet 3I ATLAS. Exoplanet Count Surpasses 6,000 Astronomers have reached an impressive milestone, confirming their 6,000th exoplanet, a testament to the rapid pace of discoveries since the first detection of an exoplanet in 1995. This milestone not only highlights the evolving understanding of our galaxy but also raises questions about the myriad of planetary types discovered, from rocky planets to gas giants. While the hunt for Earth-like planets continues, the methods employed to discover these distant worlds remain a challenge, with fewer than 100 exoplanets directly imaged to date. The future holds promise with upcoming missions, including NASA's Nancy Chris Roman Space Telescope, which aims to further uncover the secrets of our cosmic neighbourhood. Decoding Venus's Mysterious Surface Scientists are making strides in understanding the peculiar features of Venus, particularly the crown-like structures known as coronae. A new study suggests these features may be the result of magma plumes attempting to break through the planet's crust. By mapping the paths of these magmatic bursts, researchers are shedding light on Venus's geological history and its stark contrast to Earth, despite their similarities in size and formation. The findings could help explain why Venus has become a hellish environment, devoid of life, while Earth thrives. Interstellar Comet 3I ATLAS Astronomers have captured stunning new images of interstellar comet 3I ATLAS, revealing a prominent tail and glowing coma as it journeys through the inner solar system. These observations provide valuable insights into the comet's composition and behaviour, suggesting that it shares similarities with comets originating from our own solar system. As 3I ATLAS approaches the Sun, its increasing activity offers a unique opportunity for scientists to study material that formed around distant stars. The comet is expected to re-emerge in November, promising further observations and discoveries. www.spacetimewithstuartgary.com ✍️ Episode References NASA Exoplanet Science Institute https://exoplanets.nasa.gov/ Proceedings of the National Academy of Sciences https://www.pnas.org/ Gemini Observatory https://www.gemini.edu/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. Exoplanet Count Surpasses 6,000 Decoding Venus's Mysterious Surface Interstellar Comet 3I ATLAS

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  2. Cosmic Webs and Dark Energy: A New Model for the Universe

    قبل يومين

    Cosmic Webs and Dark Energy: A New Model for the Universe

    In this episode of SpaceTime, we tackle the mysteries of the cosmos with a new mathematical model of the universe and ponder the age-old question: are we alone in the universe? New Model of the Universe Scientists have unveiled a groundbreaking mathematical model aimed at simplifying our understanding of the universe's evolution over the past 13.8 billion years. This innovative research, based on data from the Dark Energy Spectroscopic Instrument (DESI), offers fresh insights into the cosmic web's structure, revealing how dark energy influences cosmic expansion. Lead author Leonardo Gianni from the University of Queensland discusses how this model challenges existing paradigms and provides a clearer picture of the universe's complex behaviour, including the impact of voids and collapsing regions of matter. Are We Alone? A new study presented at the European Planetary Science Congress raises intriguing questions about the existence of intelligent alien civilizations. Researchers estimate that the nearest technological society in our galaxy could be over 33,000 light years away, with conditions on their home planets potentially mirroring those of Earth. The study highlights the challenges of sustaining advanced life and the long timelines required for such civilizations to coexist with humanity. Partial Solar Eclipse Today, a partial solar eclipse graced the skies over New Zealand, the South Pacific, and parts of Australia and Antarctica. As the Moon passed between the Earth and the Sun, observers witnessed a stunning celestial display with up to 70% of the Sun's face obscured. This remarkable event serves as a reminder of the intricate dance of celestial bodies that shape our night sky. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review Letters https://journals.aps.org/prl/ European Planetary Science Congress https://www.epsc2025.eu/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. New Model of the Universe Are We Alone? Partial Solar Eclipse New Model of the UniverseAre We Alone?Partial Solar Eclipse

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  3. Dark Energy Demystified: A New Model of Cosmic Evolution and the Quest for Alien Civilisations| S28E114, 115 & 116

    قبل ٣ أيام - المشتركون فقط

    Dark Energy Demystified: A New Model of Cosmic Evolution and the Quest for Alien Civilisations| S28E114, 115 & 116

    SpaceTime S28E114 S28E115 S28E116 w/c September 22nd, 2025 Space, Astronomy and Science Podcast. Monday Series 28 Episode 114 *A new model of the cosmos Scientists have developed a new mathematical model of the universe which attempts to explain its evolution over the past 13.8 billion years. *Are we alone in the universe A new study has once again raised one of those ultimate questions of science: are we alone in the universe? *A partial Solar Eclipse darkens the skies Planet Earth is experiencing a partial solar eclipse today. The celestial spectacle is visible across New Zealand, the South Pacific, a sliver of the Australian Pacific coast and across much of the Antarctic. *The Science Report Warnings that boys exposed to passive smoke can go on to have kids with impaired lung function. The ozone hole in 2024 was smaller than in recent years. Israel's new directed energy weapon the Iron Beam is now fully operational. Skeptics guide to the science vs flat earth court case SpaceTime Series 28 Episode 115 *The exo-planet count passes six thousand Astronomers have just confirmed their six thousandth exoplanet – that is a planet orbiting a star other than the Sun. *Decoding Venus's mysterious surface Scientists trying to understand the weird surface features of the planet Venus may have finally come up with an explanation for at least some of strange world’s geography. *The growing tail of interstellar comet 3I/ATLAS Astronomers have obtained a striking new image of the growing tail of interstellar Comet 3I/ATLAS. *The Science Report Science confirms daylight savings is unhealthy. A new species of dinosaur identified in south Wales. Artificial intelligence can now determine which young adults need treatment to prevent vision loss. Alex on Tech Big Brother is coming to Australia. SpaceTime Series 28 Episode 116 *Mysterious red dots in early universe could be black hole atmospheres Astronomers believe that a series of mysterious red dots spotted in the very early universe could be the exotic stellar atmospheres around ancient black holes. *Discovery of multiple episodes of habitability on the red planet Mars NASA’s Mars Perseverance rover has discovered strong evidence that the red planet’s Jezero Crater experienced multiple episodes of liquid water flooding, each with conditions that could have supported life as we know it. *ESA’s newest Australian deep space dish about to begin operations The European Space Agency is about to inaugurate its fourth Australian Deep Space Antenna at its New Norcia tracking station in Western Australia. *The Science Report A new study claims specific types of intestinal bacteria could be linked to insomnia. Scientists have finally confirmed that people really do see colours the same way. Scientists have identified a new species of stingray in a local Fiji fish market. Skeptics guide to the missing haunted doll. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Dr Leonardo Giani from the University of Queensland ESA head of Ground Station Systems Division Klaus Jurgen Schulz ESA Ground Stations Sub systems engineer Salvador Marti ESA Head of Systems and Project Support manager Marco Lanucara ESA Systems and Project Support manager Kevin Kewin ESA head of Ground Station Sub-Systems Igor Zayer And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌

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  4. Galactic Jets and Black Hole Explosions: Unveiling Cosmic Mysteries

    قبل ٥ أيام

    Galactic Jets and Black Hole Explosions: Unveiling Cosmic Mysteries

    In this episode of SpaceTime, we explore the thrilling prospects of observing exploding black holes, an astonishing stellar jet on the outskirts of the Milky Way, and the meticulous preparations for an Earth observation satellite mission. Exploding Black Holes on the Horizon A groundbreaking study suggests that astronomers may soon witness a black hole explosion, an event theorised to occur once every 100,000 years. Researchers now believe there’s a 90% chance of observing such an explosion within the next decade, potentially revealing primordial black holes formed shortly after the Big Bang. These explosions could provide a comprehensive catalogue of all subatomic particles, including those yet to be discovered, fundamentally altering our understanding of the universe's origins. Immense Stellar Jet Discovered Astronomers have identified a colossal stellar jet erupting from a young star in the Milky Way's outskirts, specifically in the Sharpless 2284 region. This rare phenomenon involves twin jets of hot plasma extending over eight light years, driven by superheated gases falling onto the massive star. Captured by NASA's Webb Space Telescope, this discovery not only sheds light on star formation but also offers insights into the conditions of the early universe. Preparing for Earth Observation The European Space Agency is conducting rigorous tests for a future Earth observation satellite mission, including an airborne campaign in the Arctic. Scientists are evaluating a new imaging microwave radiometer designed to monitor sea ice and its evolution. This mission aims to gather vital data on climate change and the Arctic environment, contributing to a better understanding of global phenomena. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review Letters https://journals.aps.org/prl/ NASA https://www.nasa.gov/ European Space Agency https://www.esa.int/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. Exploding Black Holes on the Horizon Immense Stellar Jet Discovered Preparing for Earth Observation

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  5. Earth's Metal Recipe: Tectonics and the Supercontinent Split

    ١٧ سبتمبر

    Earth's Metal Recipe: Tectonics and the Supercontinent Split

    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

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  6. Mars' Microbial Secrets: Potential Biosignatures Uncovered

    ١٦ سبتمبر

    Mars' Microbial Secrets: Potential Biosignatures Uncovered

    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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  7. Celestial Wonders: From Mars' Past Life to Makemake's Atmosphere: S28E111, 112 & 113

    ١٤ سبتمبر - المشتركون فقط

    Celestial Wonders: From Mars' Past Life to Makemake's Atmosphere: S28E111, 112 & 113

    SpaceTime S28E111 S28E112 S28E113 w/c September 15th, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 111 *Discovery of potential biosignatures on Mars Scientists with NASA claim samples collected by the Mars Perseverance rover from an ancient dry riverbed in Jezero Crater might be the best chance yet of discovering evidence of past microbial life on the red planet. *An atmosphere discovered on the frozen world of Makemake Indications of methane gas atmosphere have been detected on the distant dwarf planet Makemake in the dark outer reaches of the solar system. *Total Lunar eclipse wows half the world Parts of Australia, Europe, Africa, and Asia experience a front row seat for a spectacular total lunar eclipse. *The Science Report Warnings that a quarter of recent heatwaves would have been impossible without climate change. The latest check-up of Australia’s sexual health. The Australian Navy’s new autonomous unmanned Ghost Shark submarines. Skeptics guide to simply really bad journalism. SpaceTime Series 28 Episode 112 *Ancient rocks revealing how a supercontinent broke apart Scientists examining rare minerals found in outback Australia have shown how huge tectonic forces tore apart the supercontinent of Rodinia more than 800 million years ago. *Scientists confirm water once flowed on the asteroid Ryugu Scientists have shown that liquid water once flowed on the parent body that spawned the near-Earth asteroid Ryugu more than a billion years after it first formed. *The origins of Globular Clusters For centuries, astronomers have puzzled over the origins of some of the universe's oldest and densest stellar systems, known as globular clusters, and now they may have the answer. *The Science Report Study finds the more psychiatric disorders you have the more likely you are to develop dementia. The Australian Air Force completes flight trials of the new MQ-28 Ghost Bat unmanned stealth fighter. Warnings that plant-based foods for dogs might not meet nutritional guidelines for our best-friends health. Alex on Tech iphone 17 released and on sale from today. SpaceTime Series 28 Episode 113 *The search for exploding black holes A new study suggests that astronomers could catch a black hole in the process of dying. *Immense stellar jet seen on the outskirts of the Milky Way galaxy Astronomers have discovered an immense stellar jet blasting out into deep space from the outskirts of the Milky Way galaxy. *Preparing for an Earth Observation satellite mission Developing a space mission is a long process that involves a lot of tests, sometimes in harsh environments. *The Science Report Posts in hate speech communities share similar speech patterns with posts for psychiatric disorders. After decades of research a chlamydia vaccine has been approved for koalas. A 67-year-old man is still alive six months after receiving a kidney from a genetically modified pig. Skeptics guide to an alleged alien UFO base in Alaska. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: NASA Administrator Sean Duffy Perseverance scientist Joel Hurowitz from Stony Brook University Perseverance project scientist Katie Stack Morgan from NASA’s Jet Propulsion Laboratory in Pasadena California Professor Chris Kirkland from Curtin University ESA Scientific Campaign Coordinator Tania Casal Rene Forsberg from Denmark’s National Space Institute And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌

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  8. Water Origins: Comets, Satellites, and Rocket Fuels

    ١٢ سبتمبر

    Water Origins: Comets, Satellites, and Rocket Fuels

    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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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.

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