SpaceTime: Your Guide to Space & Astronomy

Stuart Gary
  • 4.3 (279)
  • ASTRONOMY
  • UPDATED WEEKLY
SpaceTime: Your Guide to Space & Astronomy
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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. Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress

    1D AGO

    Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress

    Sponsor Links: Insta360 - To ceck out the range of cameras and to claim your bonus, visit store.insta360 and use the coupon code SpaceTime at checkout.This episode of SpaceTime dives deep into the intriguing findings from Mars, the peculiar behavior of a family of stars, and the latest developments in NASA's Artemis program. Possible Martian Biosignatures Scientists are captivated by the potential detection of biosignatures in a rock sample named Chayava Falls, collected by NASA's Perseverance rover. This rock, filled with unique chemical signatures, raises questions about the possibility of ancient microbial life on Mars. The analysis reveals organic compounds and distinctive structures, prompting further investigation to determine their origins and implications for past life on the Red Planet. Strange Stellar Family In an unexpected discovery, astronomers have identified a cluster of over a thousand young stars, named Ophion, that are behaving in a chaotic manner, rapidly dispersing instead of forming stable groups. This unusual behavior challenges existing theories about star formation and raises questions about the influences of nearby massive stellar groups and past supernovae on their movement. Artemis 2 Orion Capsule Delivered The Orion capsule designated for NASA's Artemis 2 mission has officially been handed over to NASA after final assembly and testing. This advanced spacecraft is set to carry a crew of four on a mission to orbit the Moon, marking a significant step towards future lunar exploration. We discuss the enhancements made to Orion since Artemis 1 and the preparations for its upcoming launch. www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Journal https://iopscience.iop.org/journal/0004-637X NASA Perseverance Rover https://mars.nasa.gov/mars2020/ NASA Artemis Program https://www.nasa.gov/artemis 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 59 for broadcast on 16 May 2025 00:54 Possible biosignatures detected on Mars 12:15 The unusual behavior of the Ophion star cluster 20:30 Artemis 2 Orion capsule delivered to NASA for preparations 25:00 Science report: Technology use around children and its effects on health

    23 min
  2. Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers

    3D AGO

    Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers

    Sponsor Links: Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.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. www.spacetimewithstuartgary.com ✍️ 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

    22 min
  3. Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate

    4D AGO

    Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate

    Sponsor Details: Incogni...if you don't like sharing your details with all and sundry online, then you need Incogni. To get our SpaceTime listener deal, visit www.incogni.com/stuartgary or use the coupon code STUARTGARY at checkout.Insta360 - the leaders in 360 degree video shooting. Check out their gear and get your SpaceTime free offer with purchase by visiting www.store.insta360.com and use the coupon code SpaceTime at checkout.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

    36 min
  4. Giant Galaxies Unveiled, Titan's Tidal Secrets, and the AI Apocalypse Debate: S28E57, 58 & 59

    5D AGO • SUBSCRIBERS ONLY

    Giant Galaxies Unveiled, Titan's Tidal Secrets, and the AI Apocalypse Debate: S28E57, 58 & 59

    SpaceTime S28E57S28E58 S28E59 w/c May 12, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 57 *Discovery of fifteen new giant galaxies Astronomers have discovered 15 giant radio galaxies each more than 3 million light years across and each hosting a highly active supermassive black hole. *Saturn’s moon Titan is changing quickly Astronomers have discovered that the orbit of the Saturnian moon Titan’s is changing very quickly on geologic timescales. *Failed Soviet Venus spacecraft crashes back to Earth A failed Soviet era spacecraft bound for Venus 53 years ago has crashed back to Earth somewhere between the Indian Ocean west of Jakarta and the Southern Ocean off the Western Australian south coast. *Could Artificial intelligence exterminate humanity The warnings from science fiction have been numerous and constant, artificial intelligence could pose a real threat to the survival of humanity. But that’s science fiction – where does the truth lie. *The Science Report Using cannabis during pregnancy may increase the risk of several adverse birth outcomes. Scientists sequence the complete genome of one of Australia’s most iconic and endangered frogs. New research has found that Australians are flourishing as they get older. Skeptics guide to Argentina’s Bigfoot SpaceTime Series 28 Episode 58 *Is there a new kind of dark matter in the galactic centre? Astronomers have uncovered a mysterious phenomenon at the centre of the Milky Way galaxy which could reveal new different kind of less massive dark matter. *Lunar Gateway space station's first habitation module arrives The first habitation module for the new Lunar Gateway Space Station has finally arrived in the United States. *More space junk threatens the International Space Station NASA has been forced to move the International Space Station this week to avoid some a large fragment of space junk. *The Science Report Study warns people will need to make more babies if the species is to survive. New insights into how continents move. Teenagers diagnosed with mental health conditions report spending more time on social media Alex on Tech New Apple updates SpaceTime Series 28 Episode 59 *Possible Martian biosignatures continue to perplex scientists Scientists are continuing to examine the fascinating possible detection of biosignatures on Cheyava Falls rock samples collected by NASA’s Mars Perseverance rover in the red planet’s Jezero Crater almost a year ago. *The odd family of stars desperate to leave home Astronomers have discovered a strange cluster of over a thousand stars acting very strange – and no one knows why. *Artemis II Orion Moon Capsule delivered to NASA The return of humans to the Moon is a step closer with the Orion capsule to be used for the manned Artemis II lunar mission officially handed over to NASA. *The Science Report Warnings that parents using phones and tablets, around their kids may be affecting their kids health. A man who injected himself with snake venom 856 times helps create an antivenom for all snake bites. Claims that growing peas and potatoes could help feed a city in times of global catastrophe. Skeptics guide to Gestalt Therapy https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Baerbel Koribalski from the University of Western Sydney Ken Farley perseverance deputy project scientist Katy Stack Morgan perseverance deputy project scientist And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics

    1h 10m
  5. Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles

    MAY 9

    Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles

    Sponsor Details 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.Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.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

    36 min
  6. The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate

    MAY 7

    The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate

    Sponsor Links: NordVPN - For the special SpaceTime NordVPN deal with extra free months, a huge discount and 30 day money back guarantee visit www.nordvpn.com/stuartgaryInsta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.This episode of SpaceTime dives deep into the cosmos, revealing groundbreaking insights into the origins of heavy elements and the geological history of Mars.First, we explore a revolutionary study that uncovers how giant exploding stars produce uranium and other heavy elements. Researchers are now investigating gamma-ray burst jets and the surrounding cocoon formed by collapsed stars. This new framework suggests that high-energy photons can dissolve stellar material into neutrons, leading to the creation of heavy elements through a rapid neutron capture process. We discuss the implications of these findings and how they challenge long-held beliefs about nucleosynthesis in the universe.Shattering Beliefs About Asteroid Vesta Next, we turn our attention to the asteroid Vesta, where a recent study published in Nature Astronomy reveals that its interior structure is far more uniform than previously thought. This discovery has led scientists to reconsider Vesta's identity, proposing that it may simply be a large asteroid rather than a protoplanet. We examine the research that challenges decades of assumptions about Vesta's formation and its role in understanding the early solar system.Did It Rain or Snow on Ancient Mars? Finally, we investigate the ancient climate of Mars, with a new study suggesting that geological formations on the planet were shaped by heavy precipitation, indicating a warmer and wetter past. This research utilizes computer simulations to analyze how rain and snow may have contributed to the development of Martian valleys and channels. We discuss the significance of these findings and their implications for our understanding of Mars's climatic history.www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Journal https://iopscience.iop.org/journal/0004-637X Nature Astronomy https://www.nature.com/natureastronomy/ Journal of Geophysical Research Planets https://agupubs.onlinelibrary.wiley.com/journal/21699356 Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. 00:00 New study provides clues explaining how exploding stars produce uranium and other heavy elements 06:21 New study suggests giant asteroid Vesta is really just a big asteroid 15:19 New study suggests heavy precipitation likely fed valleys on ancient Mars 19:49 A new study warns that microplastic pollution could compromise ocean carbon 22:17 More than 31,000 passwords belonging to Australian banks have been stolen 24:47 Space Time is available every Monday, Wednesday and Friday through bitesz.com

    29 min
  7. Eos: The Nearby Molecular Cloud; Jupiter's Polar Cyclones...

    MAY 6

    Eos: The Nearby Molecular Cloud; Jupiter's Polar Cyclones...

    Sponsor Details: Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only. This episode of SpaceTime explores fascinating new discoveries and urgent updates from the cosmos.First, astronomers have identified a vast molecular gas and dust cloud named Eos, located just 300 light years away from Earth. This remarkable finding, published in the journal Nature Astronomy, marks the first detection of a molecular cloud using far ultraviolet emissions of molecular hydrogen. Eos, which is composed primarily of hydrogen, presents unique opportunities for studying the interstellar medium and the processes of star formation. We discuss the implications of this discovery and how it could reshape our understanding of molecular clouds across the galaxy.Jupiter's Polar Cyclones Under the Microscope Next, we delve into the latest revelations from NASA's Juno mission, which is providing new insights into Jupiter's ferocious polar cyclones and the volcanic activity on its moon Io. With fresh observations, scientists are uncovering the dynamics of Jupiter's atmosphere and the subsurface temperature profile of Io, shedding light on the gas giant's extreme weather patterns and the moon's geological activity.Out of Control Russian Spacecraft Finally, we discuss the impending re-entry of the Venera 8 spacecraft, a remnant of the Soviet era, which is expected to crash back to Earth on May 10. Launched in 1972, this spacecraft has been tumbling in low Earth orbit for over five decades. We examine the risks associated with its uncontrolled descent and the potential impact it may have upon re-entry.www.spacetimewithstuartgary.com ✍️ Episode References Nature Astronomy https://www.nature.com/natureastronomy/ NASA Juno Mission https://www.nasa.gov/mission_pages/juno/main/index.html 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 54 for broadcast on the 5th May, 2025 00:48 Astronomers have discovered a vast invisible molecular, gas and dust cloud near Earth 12:40 Two key experiments are needed to help us understand the origin of Jupiter 15:42 A failed Soviet spacecraft designed to land on Venus is about to crash on Earth 19:00 New study claims people who use cannabis have higher risk of heart attack 21:12 New study claims ghost lanterns in South Carolina may be caused by earthquakes

    26 min
  8. Eos Unveiled, Jupiter's Cyclones Explored, and the Return of a Soviet Spacecraft: S28E54, 55 & 56

    MAY 4 • SUBSCRIBERS ONLY

    Eos Unveiled, Jupiter's Cyclones Explored, and the Return of a Soviet Spacecraft: S28E54, 55 & 56

    Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 54 *Discovery of a vast molecular cloud next door Astronomers have discovered a vast invisible molecular gas and dust cloud near our solar system. *Jupiter’s giant polar cyclones under the microscope New data from NASA’s Juno mission is shedding fresh light on the fierce winds and cyclones raging in the far north of the gas giant Jupiter and the extreme volcanic action on its fiery moon Io. *A Russian spacecraft about to crash back to Earth A failed Soviet era spacecraft designed to land on the planet Venus is about to crash back to Earth. *The Science Report 83.7% of the world’s coral reef area now impacted by heat stress. Taking cannabis gives you a higher risk of heart attack. The unexpected evolutionary history of echidnas and platypuses. Skeptics guide to the South Carolina ghost lanterns. SpaceTime Series 28 Episode 55 *How giant exploding stars make uranium A new study has provided fresh clues explaining how exploding stars produce uranium, and other heavy elements by dissolving into neutrons. *Shattering long-held beliefs about the asteroid Vesta A new study suggests the mysterious world Vesta is just a really big asteroid. *Did it rain or snow on ancient Mars A new study has supported the long held scientific view that geological formations seen on the red planet Mars were formed by water and snow billions of years ago. *The Science Report A new study warns that microplastic pollution is now everywhere. The dangers of washing medical scrubs and uniforms at home. Discovery that spruce trees not only respond to a solar eclipse but actively anticipate them. Alex on Tech: infostealer attack. SpaceTime Series 28 Episode 56 *A stunning new map of the nearby Milky Way Galaxy NASA New Horizons spacecraft has provided astronomers with an important new ultraviolet map of our galaxy the Milky Way. *Searching for the dark in the Martian light NASA’s Mars Perseverance rover has been busy continuing its exploration of the lower Witch Hazel Hill outcrop exposed on the edge of the Jezero crater rim. *Problems with Psyche’s thrusters NASA mission managers are investigating a problem with the electric propulsion system aboard the Psyche spacecraft. *May Skywatch We explore the constellation Scorpius, the spectacular M6 and M7 open star clusters and the Eta-Aquarids meteor shower produced by Halley’s Comet in the May edition of Skywatch. SpaceTime news blog: http://spacetimewithstuartgary.tumblr.com SpaceTime Facebook: www.facebook.com/spacetimewithstuartgary SpaceTime Instagram (@spacetimewithstuartgary): https://www.instagram.com/spacetimewithstuartgary/ SpaceTime Twitter (@stuartgary): https://twitter.com/stuartgary SpaceTime YouTube: @SpaceTimewithStuartGary https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Scott Bolton from the Southwest Research Institute in San Antonio Texas Marc Rayman Dawn Chief Engineer and Mission Director Carol Raymond Dawn Principal Investigator And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics Jonathan Nally from Sky and Telescope Magazine

    1h 20m
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4.3
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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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