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SpaceTime: Your Guide to Space & Astronomy

Stuart Gary
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  • ASTRONOMIJA
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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. Invisible Threats and Cosmic Mysteries: Unveiling the Universe's Hidden Dangers| S28E123, 124 & 125

    PRED 1 DNEVOM • SAMO ZA NAROČNIKE

    Invisible Threats and Cosmic Mysteries: Unveiling the Universe's Hidden Dangers| S28E123, 124 & 125

    SpaceTime S28E123 S28E124 S28E125 w/c October 13th, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 123 *Invisible asteroids near Venus may threaten Earth There’s a new warning today about an unseen population of near Earth asteroids that could pose a threat to the planet. *New observations on how the universe turned out the way it is today Astronomers hunting for evidence of the light from the first stars and galaxies have found that the universe was warm, rather than cold, before it lit up. *Rogue planet found growing at a record rate Astronomers have identified an enormous ‘growth spurt’ in a rogue planet -- that is a planet not orbiting a host star. *The Science Report The Royal Swedish Academy of Sciences awards its 2025 Nobel Prizes in science in Stockholm. Skeptics guide to some of the strangest unsolved mysteries. SpaceTime Series 28 Episode 124 *High seas on the red planet Mars A new study has provided geological evidence that the Martian Northern Hemisphere was once home to a vast ocean. *Moon's biggest impact crater made a radioactive splash New analyses of the largest impact crater on the Moon may help scientists solve some of the longstanding mysteries of how Earth's only natural satellite came to be. *A new mission to study the Milky Way galaxy's interstellar medium NASA says it new Nancy Grace Roman Space Telescope will help astronomers better understand the Milky Way galaxy's interstellar medium – the dust and gas between stars. *The Science Report Unprecedented heatwaves in 2023 contributed to 178,486 excess deaths. New insights into the lives of 380-million-year-old lungfish. A laser based dating technique for measuring the age of dinosaur eggs. Alex on Tech: what are E sims. SpaceTime Series 28 Episode 125 *Raging winds on the red planet Mars A new study shows that wind speed on Mars can reach 160 kilometres per hour -- far higher than previously thought -- despite the red planet’s very thin atmosphere. *Unlocking the secrets of Earth’s deep past A new study has revealed some surprising clues about the beginning of subduction on planet Earth. *NASA on track to send astronauts around the Moon next year NASA says it’s on track to send humans on a journey to the Moon early next year. Mission managers say the Artemis II mission is expected to launch in April -- but could fly as early as February depending on preparations. *The Science Report Sleep apnoea suffers have worse symptoms if they live in areas with high levels of air pollution. A new study has found that Octopuses have a handedness. A new study has detected disease-causing microbes in commercial raw cat foods. Skeptics guide to the unicorn unearthed at King Arthur's Castle. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Professor Cathryn Trott from the Curtin University node of the International Center of Radio Astronomy Research 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 discounts and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌

    1 h 22 min
  2. Dark Stars and Cosmic Origins: Unraveling the Early Universe

    PRED 3 DNEVI

    Dark Stars and Cosmic Origins: Unraveling the Early Universe

    In this episode of SpaceTime, we uncover the latest revelations in astrophysics, including the intriguing prospect of supermassive dark stars, Australia's ambitious lunar rover mission, and fresh insights into the formation of our solar system. Supermassive Dark Stars: A New Cosmic Discovery Astronomers have identified potential candidates for a new type of star in the early universe, known as supermassive dark stars. Recent observations from the Webb Space Telescope suggest that these stars, primarily composed of hydrogen and helium, are supported against gravitational collapse by dark matter. This episode delves into how these dark stars could help explain the existence of supermassive black holes and the unexpectedly bright distant galaxies observed by Webb. With the possibility of a smoking gun signature in their spectra, the implications of this discovery could reshape our understanding of dark matter and stellar evolution. Australia's Lunar Rover Mission: A Step Towards the Moon Work is underway on Australia's first lunar rover, set to launch as part of NASA's Artemis programme. This 20-kilogram robotic vehicle, developed by the Queensland University of Technology, will explore lunar geology and contribute to establishing a sustainable human presence on the Moon. The episode covers the rover's design, mission objectives, and the collaborative efforts between Australian institutions and NASA to advance lunar exploration. Piecing Together the Early Solar System New research published in Science Advances reveals that the early solar system was more chaotic than previously thought, with planets forming from recycled fragments of shattered bodies rather than pristine materials. This episode discusses the violent origins of our solar system and how high-energy collisions influenced the development of planetary cores, ultimately shaping the celestial bodies we know today. www.spacetimewithstuartgary.com ✍️ Episode References Journal of Physical Review Letters https://journals.aps.org/prl/ Science Advances https://www.science.org/journal/sciadv Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. Supermassive Dark Stars: A New Cosmic Discovery Australia's Lunar Rover Mission: A Step Towards the Moon Piecing Together the Early Solar System (00:00) The potential discovery of supermassive dark stars (10:15) Australia's new lunar rover mission details (18:45) New findings on the chaotic origins of the solar system (25:30) Skywatch for October: Meteor showers and celestial highlights

    30 min
  3. Enceladus Unveiled: Fresh Discoveries of Organic Chemistry Beneath the Ice

    PRED 5 DNEVI

    Enceladus Unveiled: Fresh Discoveries of Organic Chemistry Beneath the Ice

    In this episode of SpaceTime, we dive into the fascinating findings from Saturn's icy moon Enceladus, discuss delays in the Dream Chaser spaceplane's launch schedule, and celebrate NASA's breakthroughs in laser communications for deep space missions. Enceladus: Unveiling Complex Chemistry Recent discoveries reported in the journal Nature Astronomy reveal that Saturn's moon Enceladus is spewing complex organic molecules from its subsurface ocean. Data collected by the Cassini spacecraft during its mission has unveiled fresh insights into the chemical reactions occurring in this hidden ocean. The presence of organic molecules, including precursors for amino acids, raises the possibility that Enceladus may have once harboured conditions suitable for life. This episode explores how these findings could inform future missions aimed at further investigating Enceladus and its potential habitability. Dream Chaser Spaceplane: A Delay in Launch Sierra Space has announced that their Dream Chaser spaceplane's first free flight demonstration has been pushed back to late 2026. Originally designed as a manned spacecraft, Dream Chaser will now serve as a cargo transport for NASA's Commercial Resupply Services, delivering supplies to the International Space Station. The episode discusses the spaceplane's unique design, its cargo capabilities, and the future of its missions, including plans for a fully operational crewed version. Nasa's Optical Deep Space Laser Communications Success NASA's new Optical Deep Space Laser Communications project has surpassed all technical goals, paving the way for high-speed communications for future crewed missions to Mars. The technology, which successfully transmitted data over vast distances, demonstrated data rates comparable to broadband Internet services. This breakthrough enables faster communication for astronauts and could revolutionise data transmission in deep space. Tune in to learn more about the technology behind this ambitious project and its implications for future space exploration. www.spacetimewithstuartgary.com ✍️ Episode References Nature Astronomy https://www.nature.com/natureastronomy NASA Dream Chaser https://www.nasa.gov/dreamchaser NASA Optical Deep Space Laser Communications https://www.nasa.gov/lasercom Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. Enceladus: Unveiling Complex Chemistry Dream Chaser Spaceplane: A Delay in Launch NASA's Optical Deep Space Laser Communications Success (00:00) The Dream Chaser spaceplane set for another delay (00:48) Scientists have discovered new complex organic molecules spewing from Saturn's Enceladus (09:41) NASA says new optical Deep Space Laser communications project has exceeded all technical goals (17:29) Around a quarter of all press releases in the United States are probably AI generated (19:23) Companies failing to secure AI agents is causing security risks, warns expert (20:27) Gary Stuart says AI agents can be hacked and should be treated like humans

    25 min
  4. The Universe's Countdown: New Insights into Cosmic Fate and Fungal Origins

    6. OKT.

    The Universe's Countdown: New Insights into Cosmic Fate and Fungal Origins

    In this episode of SpaceTime, we explore the future of our universe, the latest advancements in mapping our Milky Way, and the pivotal role fungi played in the evolution of life on land. The Universe's Fate: A Big Crunch in 20 Billion Years A groundbreaking study published in the Journal of Cosmology and Astroparticle Physics reveals that the universe is approaching the midpoint of its 33 billion-year lifespan and may end in approximately 20 billion years. Lead author Henry Tighe from Cornell University presents new data suggesting that the universe's cosmological constant may be negative, leading to a contraction and eventual collapse—a phenomenon referred to as the "big crunch." This research, based on observations from the Dark Energy Survey and the dark energy spectroscopic instrument DESI, challenges long-held beliefs about the universe's eternal expansion and opens new avenues for understanding cosmic evolution. Mapping the Milky Way: Gaia's 3D View The European Space Agency's Gaia Space Telescope has unveiled the most precise three-dimensional map of star-forming regions within our Milky Way galaxy. By analysing data from 44 million stars, Gaia has provided insights into the obscured molecular clouds where new stars are born. This innovative mapping technique allows astronomers to understand the distribution of ionised gas and the dynamics of star formation, offering a fresh perspective on our galaxy's structure and the processes that shape it. Fungi: The Pioneers of Terrestrial Life A recent study published in Nature Ecology and Evolution has identified that fungi played a crucial role in preparing Earth for life on land between 900 million and 1.4 billion years ago—much earlier than previously thought. Researchers from the Okinawa Institute of Science and Technology utilised a novel gene swap method to trace the evolution of fungi, suggesting that these organisms were instrumental in creating the first ecosystems and nutrient recycling processes that facilitated the emergence of terrestrial life. This discovery reframes our understanding of the timeline for life on Earth and highlights the importance of fungi in shaping our planet's biosphere. www.spacetimewithstuartgary.com ✍️ Episode References Journal of Cosmology and Astroparticle Physics https://www.cosmos.esa.int/web/gaia Nature Ecology and Evolution https://www.nature.com/newe Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. The Universe's Fate: A Big Crunch in 20 Billion Years Mapping the Milky Way: Gaia's 3D View Fungi: The Pioneers of Terrestrial Life

    26 min
  5. Cosmic Countdown: Will the Universe Face a Big Crunch in 20 Billion Years?| S28E120, 121 & 122

    5. OKT. • SAMO ZA NAROČNIKE

    Cosmic Countdown: Will the Universe Face a Big Crunch in 20 Billion Years?| S28E120, 121 & 122

    SpaceTime S28E120 S28E121 S28E122 w/c October 6th, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 120 *Universe to end in 20 billion years from now A new study claims that the universe is approaching the midpoint of its 33-billion-year lifespan and will end in about 20 billion years’ time. *A new three dimensional map of the Milky Way galaxy The European Space Agency’s Gaia space telescope has created the most accurate three-dimensional map of star-formation regions in our Milky Way galaxy. *How Fungi set the stage for life on land on planet Earth A new study examining life’s evolution on planet Earth has found that fungi set the stage for life on land between 900 million and 1.4 billion years ago -- hundreds of millions of years earlier than previously thought. *The Science Report Scientists have found a significant link between drinking soda beverages and depression. Scientists say people whose parents have mental illnesses are more likely to die prematurely Why one of the world’s oldest people lived so long. Skeptics guide to the 2025 bent spoon award. SpaceTime Series 28 Episode 121 *Complex chemistry in the oceans of Enceladus Scientists have discovered new complex organic molecules spewing from the Saturnian ice moon Enceladus. *Dream Chaser spaceplane set for first flight next year Sierra Space say their Dream Chaser spaceplane is now targeting late 2026 for its first free-flyer demonstration flight. *NASA’s new deep space laser communications project NASA says its new optical deep space laser communications project has exceeded all technical goals setting up the foundations for high-speed communications for future manned missions to Mars. *The Science Report People whose dads smoked during puberty seem to age faster than expected. Quantum computer chips have just cleared a major manufacturing hurdle. A quarter of all press releases are probably now written by Artificial Intelligence. Alex on Tech the dangers of AI Agents SpaceTime Series 28 Episode 122 *Potential smoking gun signature of supermassive dark stars Astronomers may have identified a type of star in the very early universe which fits the profile of the long hypothesized Dark Star. *Australia’s new Lunar Rover Work is now underway on the Australian Space Agency’s first lunar rover mission which is slated to launch by the end of the decade. *Piecing together the early solar system A new study suggests that from its earliest period — even before the last of its proto-planetary nebular gas had been consumed — Earth’s solar system and its planets looked more like a bin of well-used LEGO blocks than slowly-evolving spheres of untouched elements and minerals. *SkyWatch October The constellation Southern Cross, The Magellanic Clouds, and three meteor showers are among the highlights of the October night skies on Skywatch. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: NASA DSOC Ground Software Lead Sean Meenehan NASA DSOC Ground Laser Transmitter Lead Angel Velasco NASA DSOC Flight Laser Transceiver Lead Kenneth Andrews NASA DSOC Ground Detector Assembly Lead Emma Wollman NASA DSOC Operations Lead Meera Srinivasan 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!

    1 h 17 min
  6. Ceres: The Dwarf Planet That Might Have Hosted Life?

    3. OKT.

    Ceres: The Dwarf Planet That Might Have Hosted Life?

    In this episode of SpaceTime, we delve into the intriguing potential for life on the dwarf planet Ceres, explore NASA's latest mission to study the heliosphere, and celebrate the achievements of the University of Melbourne's Spirit Nanosat. Ceres: A Potentially Habitable World? Recent research published in Science Advances suggests that Ceres, currently a frigid and frozen world, may have once harboured conditions suitable for life. By modelling the planet's thermal and chemical history, scientists propose that Ceres could have sustained a long-lasting energy source, allowing for microbial metabolism. While there's no direct evidence of life, the findings indicate that Ceres had the necessary ingredients—water, carbon, and chemical energy—that could have supported single-celled organisms in its ancient past. Nasa's New Heliospheric Mission NASA has launched the Interstellar Mapping and Acceleration Probe (IMAP) to investigate the heliosphere, the magnetic bubble surrounding our solar system. This mission aims to enhance our understanding of solar wind and its interactions with interstellar particles, which are crucial for assessing space weather impacts on Earth. IMAP will operate alongside the Carruthers Geocorona Observatory and NOAA's Swifo L1 spacecraft, contributing to a comprehensive study of our solar environment. Spirit Nanosat's Milestone Achievement The University of Melbourne's Spirit nanosatellite has successfully completed its initial mission phase, deploying its thermal management system and taking a selfie in space. Launched in December 2023, Spirit is equipped with a miniaturised gamma-ray detector to search for gamma-ray bursts, marking a significant advancement in small satellite technology and scientific exploration. www.spacetimewithstuartgary.com ✍️ Episode References Science Advances https://www.science.org/journal/sciadv NASA IMAP Mission https://www.nasa.gov/imap University of Melbourne Spirit Nanosatellite https://www.unimelb.edu.au/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. Ceres: A Potentially Habitable World? NASA's New Heliospheric Mission Spirit Nanosat's Milestone Achievement (00:00) New study claims the dwarf planet Ceres could once have been habitable enough for life (05:14) The Interstellar Mapping and Acceleration Probe will study the heliosphere (15:58) New study finds tropical fish are colonising new habitats because of ocean warming (18:07) Khloe Kardashian reportedly claims she's seen UFOs and experienced paranormal activity

    21 min
  7. Mercury's Shrinking Secrets: Insights into the Solar System's Smallest Planet

    1. OKT.

    Mercury's Shrinking Secrets: Insights into the Solar System's Smallest Planet

    (00:00:00) Mercury's Shrinking Secrets: Insights into the Solar System's Smallest Planet (00:00:43) Mercury's Ongoing Shrinkage (00:03:11) NASA's Carruthers Geocorona Observatory (00:11:52) Insights from Martian Meteorite NWA 16254 (00:14:23) Tech News In this episode of SpaceTime, we explore the intriguing dynamics of Mercury's shrinking size, embark on a mission to unveil Earth's elusive exosphere, and uncover the secrets of ancient volcanic activity on Mars. Mercury's Ongoing Shrinkage Recent research published in AGU Advances reveals that Mercury continues to shrink as it cools, a process that has been ongoing since its formation 4.6 billion years ago. Scientists have estimated that the planet's radius has contracted by between 2.7 to 5.6 kilometres due to cooling-induced faulting. This study employs new methods to provide a more accurate understanding of Mercury's long-term thermal history, which could also be applied to other planetary bodies, including Mars. NASA's Carruthers Geocorona Observatory NASA has launched the Carruthers Geocorona Observatory to study Earth's invisible halo, the exosphere. This mission aims to capture the first continuous observations of the Geocorona, revealing the dynamics of hydrogen atoms escaping into space. Understanding the exosphere's response to solar activity is crucial for predicting space weather events that could affect astronauts on missions to the Moon and beyond. The observatory will provide insights into how Earth retains water and may even aid in the search for exoplanets with similar atmospheric conditions. Insights from Martian Meteorite NWA 16254 A meteorite discovered in the Zaharov Desert is shedding light on Mars's ancient volcanic systems. The rock, classified as NWA 16254, offers unprecedented insights into the planet's magmatic processes, indicating a two-stage crystallisation process that occurred under varying pressure conditions. This discovery could help scientists understand Mars's thermal history and its volcanic evolution over billions of years, raising questions about the planet's past and its potential for hosting life. www.spacetimewithstuartgary.com ✍️ Episode References AGU Advances https://agu.onlinelibrary.wiley.com/journal/23337380 NASA Geocorona Observatory https://www.nasa.gov/ Planetary Science Journal https://iopscience.iop.org/journal/2632-3338 Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. Mercury's Ongoing Shrinkage NASA's Carruthers Geocorona Observatory Insights from Martian Meteorite NWA 16254

    23 min
  8. Stardust from Beyond: Unveiling the Secrets of Asteroid Bennu and Saturn's Mysteries

    1. OKT.

    Stardust from Beyond: Unveiling the Secrets of Asteroid Bennu and Saturn's Mysteries

    (00:00:00) Stardust from Beyond: Unveiling the Secrets of Asteroid Bennu and Saturn's Mysteries (00:00:47) Scientists have discovered minerals older than our solar system embedded in asteroid Bennu (00:10:22) Scientists using NASA's Webb telescope have uncovered mysterious features in Saturn's atmosphere (00:14:58) NASA's Parker Solar Probe completes 25th close approach to the sun (00:17:27) The Science Report In this episode of Space Time, we uncover groundbreaking discoveries that challenge our understanding of the cosmos. Join Stuart Gary as he discusses the astonishing findings from the asteroid Bennu, revealing minerals older than our solar system itself. Delve into the unexpected features observed in Saturn's atmosphere and learn about the Parker Solar Probe's close flyby of the Sun. This episode is packed with insights that could reshape our knowledge of planetary formation and cosmic history. Chapters: (00:00) This is space time series 28 episode 117 for broadcast on 29 September 2025 (00:47) Scientists have discovered minerals older than our solar system embedded in asteroid Bennu (10:13) Scientists using NASA's Webb telescope have uncovered mysterious features in Saturn's atmosphere (14:59) NASA's Parker Solar Probe completes 25th close approach to the sun (17:41) A widely reported study on apple cider vinegar and weight loss has been retracted Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

    24 min
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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.

Informacije

  • Ustvarjalec
    Stuart Gary
  • Leta delovanja
    2016 - 2025
  • Epizode
    1,1 tis.
  • Ocena
    Primerno za vse
  • Avtorske pravice
    © Copyright bitesz.com
  • Spetna stran oddaje
    SpaceTime: Your Guide to Space & Astronomy
  • Ponudnik

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