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‏١٧٫٩٩ ‏ر.ق.‏ كل شهر أو ‏١٨٤٫٩٩ ‏ر.ق.‏ كل سنة بعد الفترة التجريبية

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. Red Dots and Black Hole Stars: Unraveling Cosmic Secrets

    قبل ١٥ ساعة

    Red Dots and Black Hole Stars: Unraveling Cosmic Secrets

    In this episode of SpaceTime, we dive into the cosmos to uncover the secrets of the early universe, explore the potential for black hole atmospheres, and examine the intriguing history of habitability on Mars, alongside the launch of a new deep space antenna by the European Space Agency. Mysterious Red Dots in the Early Universe Astronomers have identified a population of enigmatic red dots in the early universe, potentially representing exotic stellar atmospheres around ancient black holes. These findings, published in Astronomy and Astrophysics, could bridge the gap in understanding the rapid growth of supermassive black holes. The Webb Space Telescope's observations suggest these objects might be a new class of celestial body, challenging existing models of galaxy formation and offering insights into the origins of galaxies. Multiple Episodes of Habitability on Mars NASA's Perseverance rover has provided compelling evidence that Mars's Jezero Crater experienced multiple episodes of liquid water flooding, each capable of supporting life. By analysing geochemical data, scientists have identified various minerals that reveal a dynamic history of volcanic activity and water interactions, suggesting a complex aqueous past that could have fostered life on the Red Planet. European Space Agency's New Deep Space Dish The European Space Agency is set to inaugurate its latest Australian deep space antenna at the Norcia tracking station in Western Australia. This 35-metre parabolic dish will enhance ESA's deep space communications capabilities, supporting missions and ensuring robust data transmission from spacecraft exploring our solar system. The new facility complements ESA's existing network of antennas worldwide, reinforcing their commitment to deep space exploration. www.spacetimewithstuartgary.com ✍️ Episode References Astronomy and Astrophysics https://www.aanda.org/ Journal of Geophysical Research Planets https://agupubs.onlinelibrary.wiley.com/journal/21699356 European Space Agency https://www.esa.int/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. Mysterious Red Dots in the Early Universe Multiple Episodes of Habitability on Mars European Space Agency's New Deep Space Dish

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  2. New Models of Cosmic Evolution: Rethinking Dark Energy and the Universe's Fate

    قبل يوم واحد · إضافة - المشتركون فقط

    New Models of Cosmic Evolution: Rethinking Dark Energy and the Universe's Fate

    Full Unedited Interview: In this Bonus episode of SpaceTime, we delve into a revolutionary mathematical model that could reshape our understanding of the universe's evolution over the past 13.8 billion years. New Mathematical Model of the Universe Researchers have introduced a new model based on data from the Dark Energy Spectroscopic Instrument (DESI), aiming to simplify the complexities of cosmic evolution. Lead author Leonardo Gianni from the University of Queensland explains how this model addresses the large-scale structure of the universe, likening it to a cosmic web of galaxies and voids. The study explores the role of dark energy, originally proposed by Einstein, and its implications for cosmic expansion. Gianni's work challenges conventional views, suggesting that the universe's expansion may be influenced more by the varied structures within it rather than a uniform dark energy. Understanding Cosmic Structures Gianni's model provides a framework to quantify the interactions of voids and collapsing regions, offering insight into phenomena like Hubble tension—the disparity in measurements of the universe's expansion rate. By analysing the minimum sizes of these cosmic structures, the research reveals how they can impact cosmological measurements without invoking new physics. The findings highlight the importance of accurately interpreting the universe's complexity and its implications for understanding dark matter and dark energy. The Future of Cosmic Exploration As we continue to explore the universe, questions about its ultimate fate remain. Will it expand forever, slow down, or collapse again? Gianni discusses the evidence suggesting a potential "big freeze" scenario, where the universe keeps expanding, albeit at a decreasing rate. This episode invites listeners to ponder the intricate relationship between our cosmic environment and the fundamental laws of physics, emphasising the ongoing journey of discovery in the field of cosmology. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review Letters https://journals.aps.org/prl/ Dark Energy Spectroscopic Instrument https://www.darkenergyspectroscopicinstrument.com/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. New Mathematical Model of the Universe Understanding Cosmic Structures The Future of Cosmic Exploration

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

    قبل يومين

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

    قبل ٤ أيام

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

    قبل ٥ 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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  6. Galactic Jets and Black Hole Explosions: Unveiling Cosmic Mysteries

    ١٩ سبتمبر

    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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  7. 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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  8. 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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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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    Stuart Gary
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    ٢٠١٦ - ٢٠٢٥
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    SpaceTime: Your Guide to Space & Astronomy
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