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SpaceTime with Stuart Gary

Stuart Gary

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-with-stuart-gary--2458531/support.

  1. Lunar Delays and Hypersonic Breakthroughs: Exploring the Depths of Space

    -10 H

    Lunar Delays and Hypersonic Breakthroughs: Exploring the Depths of Space

    SpaceTime with Stuart Gary Gary - Series 29 Episode 26 In this episode of SpaceTime, we delve into NASA's postponed return to the lunar surface, a remarkable hypersonic test flight by an Australian company, and the fascinating hidden chemistry at the heart of the Milky Way galaxy. Nasa's Lunar Return Delayed NASA has announced a significant delay in its plans to return humans to the lunar surface, pushing the Artemis 4 mission to 2028. The upcoming Artemis 3 mission will focus on testing systems in low Earth orbit instead of conducting a lunar landing. NASA officials emphasize the need for a methodical approach to ensure the safety and success of future missions, including critical tests of lunar landers from SpaceX and Blue Origin. This strategic shift aims to facilitate at least one major lunar landing annually starting in 2028. Successful Hypersonic Test Flight An Australian scramjet has achieved a successful test flight, propelling the Dart hypersonic aircraft to speeds exceeding five times the speed of sound. This milestone underscores the potential of scramjet technology, which utilizes a unique engine design without moving parts to achieve hypersonic speeds. The successful mission, launched from Rocket Lab’s Wallops Island facility, marks a significant step toward developing autonomous hypersonic vehicles capable of sustained flight and could pave the way for future space travel advancements. Revealing the Milky Justin's Chemistry Astronomers have captured the largest and most detailed image of the central region of the Milky Way galaxy, unveiling a complex network of filaments and cosmic gas. This groundbreaking observation, made possible by the Atacama Large Millimeter/submillimeter Array (ALMA), provides unprecedented insights into the processes of star formation in the galactic center. The study reveals the intricate chemistry of the central molecular zone, detecting various molecules and enhancing our understanding of star formation in extreme environments. www.spacetimewithstuartgary.com ✍️ Episode References Scientific Reports, Monthly Notices of the Royal Astronomical Society Support our podcast: Become a supporter.

    27 min
  2. Artemis Delays and Hypersonic Breakthroughs: Unveiling the Mysteries of the Cosmos | S29E26, 27 & 28

    -20 H • ABONNÉS UNIQUEMENT

    Artemis Delays and Hypersonic Breakthroughs: Unveiling the Mysteries of the Cosmos | S29E26, 27 & 28

    SpaceTime S29E26 S29E27 S29E28 w/c March 2nd, 2026 SpaceTime Series 29 Episode 26 *NASA forced to postpone manned lunar landing In a major announcement NASA has been forced to delay man’s return to the lunar surface until at least 2028 and the Artemis IV mission. *A successful hypersonic test flight for Australian scramjet Hypersonicx’s revolutionary scramjet engine has undertaken a successful test flight powering the Australian company’s DART-AE hypersonic aircraft to more than five times the speed of sound. *The hidden chemistry at the heart of the Milky Way Astronomers have captured the largest image ever of the central region of our Milky Way Galaxy showing a complex network of filaments of cosmic gas in unprecedented detail. *A giant gravity hole below Antarctica Scientists think they now know why the frozen continent of Antarctica sits above planet Earth’s deepest gravity hole. *A total Lunar Eclipse greets the Month of March March begins with a total eclipse of the Moon. The celestial spectacle provided a brilliant red moon visible across Australia, eastern Asia, western North America, South America, the Antarctic, and the Pacific and Southern Oceans. *The Science Report Human brain scans suggest there are three different types of ADHD. A new study shows watching alcohol fuelled posts increases young people’s desire to drink. New research suggests small dinosaurs didn’t all evolve the same way. Skeptics guide to Canada’s belief in ghosts SpaceTime Series 29 Episode 27 *Is a supernova about to explode in our skies Astronomers are getting their popcorn buckets ready as one of the largest known stars in the universe shows signs of getting ready to explode in a supernova. *NASA’s new CINEMA mission to study auroral activity NASA has announced a new mission to explore Earth’s spectacular auroras and how the planet’s mysterious magnetotail affects them. *NASA moves Artemis II back into the hanger NASA has rolled its giant 98 metre tall Artemis II moon rocket back into the Vehicle Assembly Building at the Kenedy Space Centre in Florida. *The Science Report A new study has shown that climate change is even affecting tropical plants The ancient Australian marine amphibian that lived like a crocodile. A new study claims most people really do consider deeper voices more attractive Alex on Tech Samsung S26 Ultra released SpaceTime Series 29 Episode 28 *Mapping the mysterious upper atmosphere of Uranus A new study has mapped the upper atmosphere of the distant world of Uranus for the first time. *ESA’s Planetary Defence FlyEye telescope The European Space Agency’s Flyeye planetary defence telescopes hunt for space rocks heading towards the Earth. *NASA’s scathing report on the Starliner NASA has finally released its report into the many failures of Boeing’s CST-100 Starliner spacecraft project. *The Science Report Pratt & Whitney selected to power America’s new sixth generation stealth jet fighter – the F47. Warmer weather causing humpback whales to become entangled fishing equipment more often. Scientists have finally figured out what makes sneakers squeak. Skeptics guide to psychics, ghosts, auras, and the UCLA lab that studied it all https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Professor Christoph Federrath from the Australian National University And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And senior science writer and Sky and Telescope magazine contributor Jonathan Nally 🌏 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 10 min
  3. Martian Gullies and Inside-Out Planets: Discoveries from the Cosmos

    -4 J

    Martian Gullies and Inside-Out Planets: Discoveries from the Cosmos

    Sponsor Link: This episode of SpaceTime is brought to you by Squarespace. Create your own exceptional website with ease at squarespace.com/spacetime. SpaceTime with Stuart Gary Gary - Series 29 Episode 25 In this episode of SpaceTime, we explore the intriguing mysteries of Mars' gullies, uncover a unique inside-out planetary system, and witness the inaugural launch of Europe's most powerful rocket. Mysterious Martian Gullies Explained Scientists have made significant strides in understanding the enigmatic gullies on Mars, previously thought to be shaped by unknown forces. A new study published in Geophysical Research Letters reveals that blocks of frozen carbon dioxide are the culprits behind these formations. When the Martian winter sets in, CO2 ice accumulates and, upon warming, sublimates, creating gas pressure that carves deep gullies in the Martian surface. This groundbreaking phenomenon, likened to the sandworms of Dune, showcases a unique geological process not observed on Earth. Inside-Out Planetary System Discovery Astronomers have identified a remarkable new planetary system, catalogued as LHS 1903, that defies conventional models of planetary formation. Unlike our solar system, which features rocky planets close to the star and gas giants further out, LHS 1903 has a small rocky planet orbiting outside of two gas giants. This discovery, detailed in Science, suggests that this rocky world may have formed in a gas-depleted environment, challenging existing theories about how planets evolve and raising questions about the nature of planetary systems. Europe's Powerful Rocket Launch The European Space Agency has successfully launched the Ariane 64, its most powerful rocket to date, from the Kourou Spaceport in French Guiana. This inaugural mission, VA267, carried 32 satellites into orbit for Amazon's LEO network, marking a significant milestone as the largest number of satellites ever launched by an Ariane rocket. With plans for an average of 10 launches per year, the Ariane 64 is set to play a crucial role in the future of satellite deployment. www.spacetimewithstuartgary.com ✍️ Episode References Geophysical Research Letters, Science Support our podcast: Become a supporter.

    38 min
  4. The Birth of a Black Hole and Mars' New Navigation

    -5 J

    The Birth of a Black Hole and Mars' New Navigation

    Sponsor Link: This episode of SpaceTime is brought to with the kind support of Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To check out our special offers, vist squarespace.com/spacetime and us the promo code SPACETIME. SpaceTime with Stuart Gary Gary - Series 29 Episode 24 In this episode of SpaceTime, we uncover astonishing discoveries about the birth of black holes, a revolutionary Martian navigation system, and the arrival of NASA's SpaceX Crew 12 at the International Space Station. The Birth of a Black Hole: A New Perspective Astronomers have made a groundbreaking discovery by observing a star in the Andromeda Galaxy collapsing into a black hole without the expected supernova explosion. The star, catalogued as M31 2014 DS1, was seen glowing brightly in infrared light before fading away, leaving behind a dust shell. This event, which had been anticipated for decades, suggests that massive stars may collapse directly into black holes, challenging long-held assumptions about stellar deaths. The findings, published in the journal Science, provide new insights into the processes that govern black hole formation and indicate that such direct collapses may be more common than previously thought. NASA's New Martian Navigation System NASA has introduced an innovative navigation system for its Perseverance rover, allowing it to determine its location on Mars with remarkable precision—within 25 centimeters. The new technology, called Mars Global Localization, enables the rover to autonomously compare panoramic images with orbital terrain maps, eliminating the need for Earth-based assistance. This advancement significantly enhances the rover's ability to explore the Martian surface independently, paving the way for more extensive scientific investigations. SpaceX Crew 12 Arrives at the ISS NASA's SpaceX Crew 12 has successfully docked with the International Space Station, restoring the crew complement to seven members. The mission includes a diverse crew of two Americans, a Russian, and a French astronaut, who will conduct approximately 250 scientific experiments in orbit. Additionally, NASA has approved a sixth private mission to the ISS, slated for next year, which aims to support new research initiatives and infrastructure development for future human spaceflight missions. www.spacetimewithstuartgary.com ✍️ Episode References Journal Science, NASA Reports Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

    23 min
  5. Dark Matter Galaxies and Artemis Delays: Unraveling the Secrets of the Cosmos

    24 FÉVR.

    Dark Matter Galaxies and Artemis Delays: Unraveling the Secrets of the Cosmos

    Sponsor Link: This episode of Spacetime is brought to you with the support of Squarespace...when it's time to get online, it's time to visit Squarespace. Free trial. To find out more visit squarespace.com/spacetime  SpaceTime with Stuart Gary Gary - Series 29 Episode 23 In this episode of SpaceTime, we investigate the discovery of a nearly invisible galaxy dominated by dark matter, the latest delays in the Artemis 2 mission to the Moon, and the anticipated launch of Australia's new hypersonic scramjet. A Dark Matter Galaxy Unveiled Astronomers have identified an almost invisible galaxy, catalogued as CDG2, located in the Perseus galaxy cluster approximately 300 million light years away. This galaxy is believed to be composed of about 99% dark matter, making it one of the most dark matter-dominated galaxies ever detected. The findings, published in Astrophysical Research Letters, reveal that dark matter constitutes roughly 80% of the universe's total matter, and CDG2's faint presence was confirmed through observations of its globular clusters using NASA's Hubble Space Telescope and the European Space Agency's Euclid Space Observatory. Artemis 2 Mission Delayed Again NASA has announced another delay for the Artemis 2 mission, which aims to return humans to lunar orbit for the first time in over 50 years. A helium leak discovered in the Space Launch System (SLS) rocket's upper stage has prompted the agency to roll back the launch vehicle to the vehicle assembly building for repairs. This setback eliminates the potential for a March launch, with the next available windows opening in early April. The Artemis 2 mission will carry a crew of four on a 10-day journey to the Moon, including critical system tests and satellite deployments. Australia's Hypersonic Scramjet Launch Imminent An Australian company is set to test its new hypersonic scramjet-powered aircraft, the Dart AE, before the end of the month. This innovative vehicle will utilize a 3D printed Spartan Scramjet engine, designed to operate at speeds exceeding Mach 5 with liquid hydrogen fuel. The mission, codenamed Cassowary Vex, will launch aboard a Rocket Lab electron rocket and aims to validate the scramjet propulsion system under real hypersonic flight conditions while producing zero carbon emissions. www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Research Letters Become a supporter of this podcast:  https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

    27 min
  6. Dark Matter Galaxies and Artemis Delays: Unraveling Cosmic Enigmas | S29E23, 24 & 25

    22 FÉVR. • ABONNÉS UNIQUEMENT

    Dark Matter Galaxies and Artemis Delays: Unraveling Cosmic Enigmas | S29E23, 24 & 25

    SpaceTime S29E23 S29E24 S29E25 w/c February 23, 2026 SpaceTime Series 29 Episode 23 *Have astronomers discovered a dark matter galaxy Astronomers have discovered an almost invisible galaxy that may be 99% dark matter. *Another launch delay for the Artemis II mission to the Moon Nasa is expected to scrub the targeted March 6th launch date for the Artemis II mission which will eventually return humans to the Moon – for the first time in over half a century. *The first stunning solar eclipse of the year Parts of Antarctica have played host to a spectacular annular solar eclipse. *Australia’s hypersonic scramjet could launch this month Australian company Hypersonix says it could fly its new hypersonic scram jet powered aircraft later this month. *The Science Report Palaeontologists discover a new species of Spinosaurus dinosaur in the central Sahara Desert of Niger. Scientists discover bacteria buried for over five thousand years which is resistant to modern antibiotics. Sea ice coverage on the Antarctic Peninsula could fall by 20% under higher carbon emissions scenarios. Warnings of the likelihood of kidney cell damage by high exposure to microplastics. Skeptics guide to trusting your family psychic. SpaceTime Series 29 Episode 24 *The clearest view yet of the birth of a black hole Astronomers have discovered a star collapsing down to form a black hole without the blinding blast of a supernova explosion. *NASA trials a new Martian navigation system on the red planet NASA has developed a new Martian navigation system allowing its Perseverance rover to pinpoint its location to within 25 centimetres. *NASA’s SpaceX Crew-12 arrives aboard the International Space Station NASA’s SpaceX Crew-12 Dragon capsule has successfully docked with the International Space Station -- returning the orbiting outpost’s complement back to seven crew members. *The Science Report Exposure to more air pollution linked to a higher risk of developing Alzheimer's disease. Over fishing the likely cause of reef munching Crown of Thorns starfish outbreaks. Scientists say glass could be the future of long term data storage. Alex on Tech: Google’s new Pixel 10A. SpaceTime Series 29 Episode 25 *Mysterious gullies on Mars that appear to have been dug Scientists have been studying a set of mysterious gullies on the red planet Mars that appear to have been excavated – raising questions of how? *Discovery of a unique inside out planetary system Astronomers have discovered a distant planetary system that’s turned science’s understanding of planetary formation inside out. *Europe's most powerful rocket undertakes its first launch Arianespace has undertaken the inaugural launch of the new Ariane 64 -- Europe’s most powerful ever rocket. *March Skywatch The March equinox, the constellations of Taurus the bull and Leo the Lion, and 3.14159 – Pi day – are among the highlights of the March night skies on Skywatch. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And senior science writer and Sky and Telescope magazine contributor Jonathan Nally 🌏 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
  7. Primordial Black Holes and Saturn's Ring Origins: Unveiling Cosmic Mysteries

    20 FÉVR.

    Primordial Black Holes and Saturn's Ring Origins: Unveiling Cosmic Mysteries

    SpaceTime with Stuart Gary Gary - Series 29 Episode 22 In this episode of SpaceTime, we delve into the formation of the universe's most enigmatic objects, explore the origins of Saturn's iconic rings, and get updates on NASA's Artemis 2 mission. Black Holes and Exotic Cosmic Structures A groundbreaking study suggests that some of the universe's most exotic entities, including black holes and cannibal stars, may have formed just seconds after the Big Bang. Researchers from the International School of Advanced Studies propose that subatomic particles condensed into halos of matter, which then collapsed to create these fascinating cosmic structures. Their findings, published in Physical Review D, indicate that even in the earliest moments of the universe, complex physical phenomena were already taking shape, paving the way for our understanding of cosmic evolution. The Formation of Saturn's Rings New research proposes that Saturn's largest moon, Titan, may have formed from the collision of two older moons, potentially linking this event to the creation of Saturn's spectacular ring system. The study, reported in the Planetary Science Journal, utilizes computer simulations to explore the dynamics of Saturn's moons and their interactions, suggesting that Titan's merger could explain its unique orbit and the age of the rings, estimated to be around 100 million years. NASA's Artemis 2 Mission Update Following the recent scrubbing of the Artemis 2 launch due to hydrogen leaks, NASA has made significant repairs and is preparing for another attempt. Engineers have replaced seals in the mobile launcher's umbilical area and are conducting further testing to ensure the rocket's readiness. With multiple launch windows available in March, the Artemis 2 mission aims to test key systems aboard the Orion spacecraft, setting the stage for future lunar exploration and the eventual return of humans to the Moon. www.spacetimewithstuartgary.com ✍️ Episode References Physical Review D, Planetary Science Journal Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

    23 min
  8. Exploring Life's Potential on the Red Planet and Saturn's Tiny Moon

    18 FÉVR.

    Exploring Life's Potential on the Red Planet and Saturn's Tiny Moon

    SpaceTime with Stuart Gary Gary - Series 29 Episode 21 In this episode of SpaceTime, we explore intriguing revelations about the search for life on Mars, the surprising effects of Saturn's moon Enceladus on its planet, and the monumental volcanic events that reshaped Earth's tectonic landscape. Life on Mars: A New Perspective Recent findings suggest that non-biological processes cannot fully explain the organic compounds found in Martian regolith samples collected by NASA's Curiosity rover. Published in the journal Astrobiology, the study indicates that life may have contributed to some of these compounds, challenging previous assumptions. The research involved evaluating potential non-biological sources and concluded that the abundance of organics on Mars could hint at past life, sparking renewed interest in the Red Planet's potential habitability. Enceladus' Electromagnetic Influence A fascinating study reveals that Saturn's icy moon Enceladus trails a wake of electromagnetic ripples extending over half a million kilometers, significantly influencing its giant host planet. Data from NASA's Cassini mission demonstrated how Enceladus' geysers contribute to energy and momentum circulation within Saturn's magnetic environment, marking a crucial discovery about the moon's role in the Saturnian system. Earth's Volcanic History New research highlights how Earth's largest volcanic event, associated with the Ontong Java Plateau, dramatically altered a major tectonic plate. The findings suggest that extensive volcanic activity led to significant physiochemical modifications within the oceanic plate, enhancing our understanding of plate formation processes and the environmental impacts of such massive eruptions. www.spacetimewithstuartgary.com ✍️ Episode References Astrobiology, Geophysical Research Space Physics, Geophysical Research Letters Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

    25 min
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À propos

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-with-stuart-gary--2458531/support.

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