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SpaceTime with Stuart Gary

Stuart Gary

4,1 (8)
ASTRONOMI
VARJE VECKA

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 D

Galactic Secrets: Unravelling the Milky Way's Chemical Bimodality

SpaceTime with Stuart Gary Gary - Series 29 Episode 2 In this episode of SpaceTime, we explore the intriguing history of our galaxy and the secrets of Earth's early water retention. Unraveling the Milky Way's Chemical Bimodality A groundbreaking study suggests that the Milky Way's stellar formation and its unique chemical bimodality may stem from intergalactic gas rather than traditional star formation or galactic collisions. Researchers utilized advanced computer simulations to analyze the formation of 30 simulated galaxies, revealing that the Milky Way's distinct groups of stars, defined by their iron and magnesium content, can emerge through various mechanisms. This research not only enhances our understanding of the Milky Way's evolution but also challenges previous assumptions about the role of smaller galaxies in shaping its chemical structure. Earth's Mantle: A Reservoir of Ancient Water New findings indicate that Earth's mantle may have locked away vast amounts of water during the planet's formative magma ocean phase. Researchers discovered that bridgmanite, the most abundant mineral in the mantle, could store significant quantities of water, potentially equating to the volume of all today's oceans. This study reshapes our understanding of how water was retained during Earth's extreme early conditions and its role in the transition to a habitable planet. The implications of this research may provide insights into the geological processes that sustain Earth's dynamic environment. The Astronomy of Standing Stones Reflecting on archaeological astronomy, we revisit a pivotal study that revealed how ancient standing stones in Britain were constructed with astronomical alignments in mind. This research confirms that the earliest stone monuments, including the Great Circles of Scotland, were intentionally oriented to mark the movements of the sun and moon. By examining the patterns of alignment, researchers established a connection between these ancient structures and the cultural significance of celestial events, illustrating the sophisticated understanding early Britons had of their environment and the cosmos. www.spacetimewithstuartgary.com ✍️ Episode References Monthly Notices of the Royal Astronomical Society Journal of Science Journal of Archaeological Science Reports Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 29, Episode 2 for broadcast on 5 January 2026 (00:00:47) New study on the Milky Way's chemical bimodality (00:12:30) How bridgmanite in Earth's mantle may have stored ancient water (00:20:10) The astronomical significance of ancient standing stones in Britain (00:25:00) Science Robert: Sleep apnea linked to Parkinson's disease and more news in science

30 min
−2 D • ENDAST FÖR ABONNENTER

Galactic Secrets: Unravelling the Milky Way's Chemical Mysteries| S29E02, 03 & 04

SpaceTime S29E02 S29E03 S29E04 w/c January 5th, 2026 Space, Astronomy and Science Podcast. SpaceTime Series 29 Episode 02 *Unravelling the Milky Way's mysterious chemical history A new study claims the Milky Way Galaxy’s bimodal stellar formation evolution may be the result of intergalactic gas rather than bursts of star formation or collisions with other galaxies. *How Earth’s mantle locked away vast water in early magma ocean A new study has shown how much of Earth’s water could have survived the planet’s formation by being locked away in bridgmanite minerals deep in the mantle. *Astronomy set in stones Scientists show how the earliest standing stone monuments in Britain were constructed specifically in line with the movements of the Sun and Moon. *The Science Report Studies show sleep apnoea linked to Parkinson's disease. A new analysis warns that one in seven deepwater sharks and rays are threatened with extinction. Studies show teenage girls are clocking close to six hours a day on their smartphones. Skeptics guide to how psychics have failed another test. SpaceTime Series 29 Episode 03 *Ancient supernova may hold key to universe's mysterious dark energy Astronomers studying a gravitationally lensed supernova may be a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion. *Sterile neutrino’s existence ruled out – almost After collecting and analyzing data for a decade, scientists have debunked a decades-old hypothesis about a mysterious particle called the Sterile Neutrino. *China fails in its latest reusable rocket launch attempt China’s new reusable Long March 12A rocket has failed on its maiden flight. *The Science Report 70% of the world's population may experience rapid change in temperature and rainfall extremes. Grim warnings for endangered koalas and gliders living on the Illawarra Range of New South Wales. The government keeping records on the strange things people have inserted into themselves. Alex on Tech Is your special adult toy spying on you? SpaceTime Series 29 Episode 04 *Do all galaxies have supermassive black holes at their centres A new study suggests that most smaller galaxies may not have a supermassive black hole at their centre. *Still no evidence of alien signatures from 3I/ATLAS Well, it is the silly season for news, and so those claims that the interstellar comet 3I Atlas could be an alien spacecraft aren’t going away. *Testing how rocket plumes interact with the lunar surface NASA has begun using a new camera system to study how rocket plumes affect lunar regolith – the rocks and dust that blankets the Moon’s surface. *The Science Report Microplastics could be fuelling neurodegenerative diseases like Alzheimer’s and Parkinson’s. A new study of Australian Bettongs eating habits. A new study has shown that dog ownership could result in a stronger sense of community. Skeptics guide to do it yourself ghost hunting. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Gail Higginbottom from the Australian National University and the University of Adelaide Jacob Wise from John Moores University Ashley Korzun from NASA's Langley Research Center in Hampton, Virginia 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 tim 7 min
−5 D

Stellar Spectacles: January's Night Sky Highlights

SpaceTime with Stuart Gary Gary - Series 29 Episode 1 In this episode of SpaceTime, we delve into extraordinary cosmic phenomena and the ongoing exploration of our solar system. Cosmic Matter Ejected at 20% the Speed of Light Astronomers have made a groundbreaking observation of matter being ejected from a supermassive black hole at the center of the barred spiral galaxy NGC 3783, located 135 million light years away. This matter, propelled at an astonishing 20% the speed of light, challenges previously held notions about how such superluminal jets are powered. The findings suggest that a sudden change in the magnetic field, rather than radiation, may be responsible for this high-speed outburst, providing new insights into the mechanisms of black hole dynamics and their impact on galactic evolution. Wind-Sculpted Landscapes on Mars NASA's Perseverance Rover continues its exploration of Mars, focusing on megaripples—large sand formations shaped by wind. These megaripples, some reaching up to 2 meters in height, offer scientists a unique opportunity to study current Martian atmospheric processes. As the rover investigates the Honeyguide region, researchers hope to gain insights into the planet's wind patterns and surface chemistry, which will be crucial for future human missions to Mars. Potential Ocean Beneath Uranus's Moon Ariel New research suggests that Uranus's moon Ariel may harbor a vast subsurface ocean, potentially more than 170 kilometers deep. This discovery, reported in the journal Icarus, highlights Ariel's unique geological features and raises questions about its past interior structure and orbital dynamics. The study indicates that understanding Ariel's ocean could provide crucial context for the moon's surface fractures and cryovolcanic activity, emphasizing the need for future missions to the Uranian system to confirm these findings. www.spacetimewithstuartgary.com ✍️ Episode References Astronomy and Astrophysics Icarus NASA Reports Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 29, Episode 1 for broadcast on 2 January 2026 (00:00:47) Cosmic matter ejected from supermassive black hole (00:12:30) Perseverance Rover studies wind-sculpted megaripples on Mars (00:20:10) Evidence of a subsurface ocean beneath Uranus's moon Ariel (00:25:00) Skywatch: January night sky highlights and celestial events

38 min
2025-12-31

Lunar Leap: Artemis 2's Historic Mission and the Future of Moon Exploration

SpaceTime with Stuart Gary - Series 28 Episode 154 In this episode of SpaceTime, we explore significant milestones in lunar exploration and the latest challenges in space technology. Accelerated Launch for Artemis 2 NASA has moved up the launch date for the historic Artemis 2 manned moon mission to early February, marking the first human journey to the moon in over 50 years since Apollo 17. The Orion spacecraft, named Integrity, will embark on a 10-day mission, completing a free return trajectory around the moon. This episode discusses the mission's objectives, including in-space demonstrations and the deployment of five cubesats, as well as the importance of this mission for future lunar exploration and potential Mars missions. New Insights from Lunar Rock Samples Recent studies of lunar rock samples have revealed a new timeline for lunar impacts, pushing back the history of Earth's nearest celestial neighbour by 300 million years. The Apollo 17 rock sample, known as 76535, has provided crucial insights into the moon's formation and its geological history. Advanced computer simulations suggest that the impact that formed the Serenitatis Basin may have brought this rock to the surface, reshaping our understanding of the moon's bombardment history and its implications for Earth. Japan's H3 Rocket Failure The Japan Aerospace Exploration Agency (JAXA) has faced a setback with the failure of its new H3 rocket during a satellite launch. This follows a previous failure during its maiden flight. The H3 rocket, designed to replace the H2, aims to enhance Japan's capabilities in the global space market but has encountered significant technical challenges. www.spacetimewithstuartgary.com ✍️ Episode References Geophysical Research Letters NASA Reports JAXA Updates Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 28, Episode 154 for broadcast on 31 December 2025 (00:00:47) NASA accelerates Artemis 2 moon mission launch (00:12:30) New lunar rock samples shift timeline of impacts (00:20:10) Japan's H3 rocket fails to deploy satellite (00:25:00) Study reveals links between social media use and cognitive performance in children (00:27:30) Coffee and tea's effects on bone health in older women

25 min
2025-12-30

Doomsday Dance: Ramses Mission and the Secrets of Apophis

SpaceTime with Stuart Gary Gary - Series 28 Episode 153 In this episode of SpaceTime, we dive into thrilling new missions and groundbreaking discoveries in the universe. Ramses Mission to Asteroid Apophis The European Space Agency has greenlit an exciting new mission to study the infamous doomsday asteroid Apophis. The Ramses spacecraft will closely observe the 450-meter-wide asteroid as it makes a close flyby of Earth on April 13, 2029, at a mere 32,000 kilometers away—closer than many satellites. Initially feared to be on a collision course with Earth, further observations have since ruled out the threat of impact. However, the Ramses mission aims to understand how Earth's gravitational forces might affect Apophis during this close encounter, potentially setting the stage for future impacts. The spacecraft will deploy smaller probes to monitor changes in Apophis's orbit, rotation, and surface, providing vital data for planetary defense and insight into the evolution of asteroids. Solving the Mystery of Existence In a groundbreaking study, scientists at CERN have made strides in explaining the universe's existence by observing a slight imbalance in the behavior of matter and antimatter. This charge parity (CP) violation suggests that a tiny difference favored matter over antimatter during the Big Bang, allowing the universe to evolve into its current state. The findings, based on 80,000 decays of the Lambda beauty particle, indicate a significant deviation that could reshape our understanding of the cosmos. The Largest Planetary Nursery Ever Seen Astronomers have discovered the largest planetary nursery ever observed, located in a massive protoplanetary disk around a young star. This chaotic environment, cataloged as IRAS230776707, spans an astonishing 650 billion kilometers and showcases intricate structures that hint at the complex processes of planet formation. The observations, made using NASA's Hubble Space Telescope, reveal a unique perspective on how planetary systems may develop in extreme conditions, raising new questions about the dynamics shaping these disks. www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Journal Nature CERN Reports Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 28, Episode 153 for broadcast on 29 December 2025 (00:00:47) ESA's Ramses mission to study asteroid Apophis (00:12:30) CERN's discovery of matter-antimatter imbalance (00:20:10) Astronomers observe the largest protoplanetary disk ever found (00:25:00) New insights into sleep apnea and mental health risks (00:28:30) Potential discovery of a new ancient human species

22 min
2025-12-29 • ENDAST FÖR ABONNENTER

Asteroid Insights: The Ramses Mission and the Quest for Cosmic Understanding: S28E153 & 154 S29E01

SpaceTime S28E153 S28E154 S29E01 w/c December 29, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 153 *The RAMSES mission to study the doomsday asteroid Apophis The European Space Agency has approved a new mission to study the doomsday asteroid Apophis. *Solving the mysteries of existence Scientists may finally have found an explanation for why the Universe exists. *The largest birthplace of planets ever seen Astronomers have observed the largest planetary birthplace ever seen in a massive protoplanetary disk orbiting a young star. *The Science Report Sleep apnoea is linked to a 40% higher chance of having mental health problems. Possible discovery of a new ancient human species. What happens if you consume eight energy drinks daily. Skeptics guide to how propaganda is changing the view on climate change. SpaceTime Series 28 Episode 154 *Artemis II manned moon mission now slated for launch in February NASA has accelerated the launch of the historic Artemis II manned mission to the Moon to in early February. *Rewriting a chapter of the Moon's early history A new study of lunar rock samples has painted a different picture of the tortured history of the Earths nearest celestial companion. *Failure for Japan's new flagship H3 rocket The Japan Aerospace Exploration Agency JAXA has suffered a major setback with its new flagship H3 rocket failing to place its satellite payload into orbit. *The Science Report Increases in social media linked with lower performance in tests of cognitive abilities. How two of the world’s most popular beverages, coffee and tea, influence bone health in older women. A new study has shown that artificial intelligence systems use as much energy to operate. Alex on Tech: Danger Will Robinson. SpaceTime Series 29 Episode 01 *Cosmic matter spotted travelling at 20 per cent the speed of light Astronomers have observed a sudden outburst of matter from a supermassive black hole shooting into deep space at some 20 per cent the speed of light. *Studying wind-sculpted landscapes on the red planet Mars While much of NASA’s Mars Perseverance rover's work focuses on ancient rocks that record the red planet’s long-lost rivers and lakes, megaripples offer a rare opportunity to examine processes that are still shaping the Martian surface today. *Could there be a vast ocean under the surface of the Uranus moon Ariel There’s growing evidence suggesting that a vast subsurface ocean could be lurking beneath the icy surface of Uranus' moon Ariel. *January Skywatch Planet Earth reaches perihelion, the brightest star in the night sky Sirius, the missing constellation Argo Navis, and the Quadrantids meteor showers are among the celestial highlights of the January night skies on SkyWatch. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Artemis II visualization lead Ernie Wright from NASA Goddard flight Centre And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And Science writer 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 tim 21 min
2025-12-26

Super Kilonova Surprise: Unravelling the Mystery of Cosmic Explosions

In this episode of SpaceTime, we uncover groundbreaking astronomical events and the latest advancements in space exploration. First Ever Super Kilonova Detected Astronomers have made a significant discovery with the potential detection of the first ever super kilonova explosion. This extraordinary event, cataloged as AT 2025ULZ, is believed to have been triggered by a double supernova explosion, producing both gravitational waves and electromagnetic radiation. Lead author Manzi Kasliwal from Caltech's Palomar Observatory discusses how this unique phenomenon could reshape our understanding of stellar evolution and the formation of heavy elements in the universe. With only one confirmed kilonova event to date, this new discovery presents an exciting opportunity to explore the complexities of cosmic explosions. Blue Ghost 2 Spacecraft Shake Test Firefly Aerospace's Blue Ghost Mission 2 spacecraft has undergone rigorous shake testing at NASA's Environmental Test Laboratory. This critical assessment simulates the intense vibrations and acoustics experienced during launch, ensuring the spacecraft can withstand the harsh conditions of a rocket ascent. JPL engineer Michael Williams explains the importance of these tests in preparing spacecraft for successful missions, as the Blue Ghost 2 aims to deliver multiple payloads to the lunar far side next year. Shenzhou 20 Capsule Returns Safely China's Shenzhou 20 spacecraft has successfully completed an unmanned return to Earth after sustaining damage from space debris. Initially intended to bring a crew of Tigernauts back home, mission managers opted for a safe return without the crew due to concerns over a crack in the capsule's viewport. This decision highlights the importance of safety in space missions, while also providing valuable data for future flights. www.spacetimewithstuartgary.com ✍️ Episode References Astrophysical Journal Letters NASA Reports Nature Communications Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 28, Episode 152 for broadcast on 26 December 2025 (00:00:47) Astronomers detect what could be the first ever super kilonova explosion (00:15:30) Firefly Aerospace's Blue Ghost 2 spacecraft undergoes shake testing at NASA's JPL (00:20:10) China's Shenzhou 20 capsule returns safely to Earth after damage from space debris (00:25:00) New study reveals the benefits of swearing during physical exertion

28 min
2025-12-24

Martian Moves: Perseverance's Journey and Fashionable Microbes in Space

In this episode of SpaceTime, we explore significant advancements in space exploration and innovative scientific projects. Perseverance Rover's New Journey After nearly five years on Mars, NASA's Perseverance Rover is on the move again, heading to a new site on the rim of Jezero Crater named Lac du Charm. Having traversed over 40 kilometres and collected vital rock core samples, the rover is undergoing extensive evaluations to ensure its longevity, with engineers confident it can operate until at least 2031. We discuss the rover's advanced autonomous driving capabilities and its mission to uncover signs of past microbial life. Fashion Meets Science: Microbial Fabrics A groundbreaking project is set to merge fashion and science by sending specially designed fabrics made from bacteria into space. These innovative materials will change colour in response to radiation exposure, potentially protecting astronauts from harmful levels of UV radiation and offering new applications for skin cancer prevention on Earth. Lead researcher Giles Ballet shares insights into how this technology could revolutionise both space exploration and everyday fashion. Expedition 73 Crew Returns The Expedition 73 astronauts have safely returned to Earth after an eight-month mission aboard the International Space Station. Their journey has contributed to over 250 experiments, including advancements in bioprinting and remote robotic operations. We also discuss the implications of recent challenges faced by Russia's manned space program. www.spacetimewithstuartgary.com ✍️ Episode References Journal of Science NASA Reports Nature Communications Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support. (00:00:00) This is Space Time Series 28, Episode 151 for broadcast on 24 December 2025 (00:00:47) NASA's Perseverance Rover begins a new journey on Mars (00:12:30) Innovative microbial fabrics set to be tested in space (00:19:15) Expedition 73 crew returns safely to Earth after eight months in orbit (00:24:05) New study suggests humans have been using fire for 400,000 years (00:27:30) Technology tips for buying the right printer for your needs

24 min

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Stuart Gary

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4,1

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

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Stuart Gary
Aktiva år

2016 - 2026
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1,2 tn
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Barnvänligt
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