Synopsis
The new home of the ABCs (Australia) popular astronomy podcast (formerly known as StarStuff). Recognized worldwide by our listeners and industry experts as one of the best programs on Astronomy and Space Science.
Episodes
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Hidden Depths of the Moon: What Glass Beads Reveal About Its Mantle
16/06/2025 Duration: 27minSponsor Details:This episode is brought to you by NordVPN - the official VPN service of SpaceTime. Protect your online privacy with the same service we trust. For a special SpaceTime deal, visit nordvpn.com/stuartgary or use the coupon code Stuart Gary at checkout.In this episode of SpaceTime, we uncover fascinating new insights into the Moon's hidden mantle, the dynamics of stellar nurseries, and the latest lunar lander mishap.A New Window into the Moon's Hidden MantleRecent studies of unique green glass beads retrieved by China's Chang' E5 mission suggest evidence of a significant asteroid impact on the Moon. These beads, with their unusually high magnesium content, may originate from the Moon's mantle, offering scientists their first direct glimpse into this elusive layer. We discuss the implications of this discovery for understanding lunar geology and the history of our celestial neighbor.Unusual Stellar Nursery Discovered Near the Milky Way's CenterNew findings indicate that star formation rates near th
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Stellar Encounters: A Second Collision of Galaxy Giants
13/06/2025 Duration: 18minSponsor Details:This epiosode is broght to you by NordVPN...the official VPN service of SpaceTime. Get online security at a special SpaceTime price. Details at www.nordvpn.com/stuartgaryor use the code STUARTGARY at checkout.In this episode of SpaceTime, we explore groundbreaking discoveries and significant events unfolding in our universe.Galactic Collision Course: Two Massive Galaxy Clusters Set for Round TwoAstronomers have observed a rare cosmic event as two massive galaxy clusters, previously collided, are now on a trajectory for another encounter. Located 2.8 billion light-years away, the clusters—designated PSE2G 181.06.48.47—exhibit fascinating structures and shock fronts indicative of their impending collision. We delve into the implications of this rare event and what it reveals about the dynamics of galaxy clusters and dark matter.NASA's Psyche Mission Switches to Backup SystemsNASA has been compelled to switch to a backup fuel system on its Psyche spacecraft after a drop in fuel pressure was detec
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Stellar Catastrophes: The Most Powerful Explosions Since the Big Bang
11/06/2025 Duration: 18minIn this episode of SpaceTime, we delve into the cosmos to uncover extraordinary cosmic phenomena, groundbreaking Mars exploration, and innovative asteroid detection technology.The Most Powerful Cosmic Explosions Since the Big BangAstronomers have identified a new class of cosmic events known as extreme nuclear transients (ENTs), which are the most powerful explosions observed since the Big Bang. These events occur when supermassive black holes tear apart stars over three times the mass of our sun, releasing energy that surpasses even the brightest supernovae. We explore the implications of these findings, including how these luminous phenomena can provide insights into black hole growth and the early universe.NASA's Perseverance Rover Takes a Bite of Ancient Martian RockNASA's Perseverance Rover has sampled a potentially ancient rock on Mars known as Crocodilen, located on the Jezero Crater Rim. This area offers vital clues about the planet's watery past and the potential for past life. We discuss the rover's
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Galactic Collision Uncertainty: New Insights on the Milky Way and Andromeda
09/06/2025 Duration: 24minSponsor Details:This episode is brought to you with the support of NordVPN - SpaceTimes official VPN service. When it comes to your online privacy, use the one we use and help support the show. To claim your special SpaceTime bonus deal, visit nordvpn.com/stuartgary or use the coupon code STUARTGARY at checkout.In this episode of SpaceTime, we delve into groundbreaking revelations that challenge our understanding of cosmic events and planetary formation.New Insights on the Milky Way and Andromeda CollisionRecent studies utilizing data from NASA's Hubble Space Telescope and the European Space Agency's Gaia spacecraft cast doubt on the long-anticipated collision between our Milky Way and the Andromeda Galaxy. New simulations indicate only a 2% probability of a merger occurring within the next 3.7 to 5 billion years, suggesting that both galaxies may continue to evolve largely unperturbed for a much longer period. We explore the implications of these findings and the variables that have altered previous predic
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MOND vs. Dark Matter: A New Perspective on Cosmic Mysteries
06/06/2025 Duration: 23minSponsor Details:This episode is brought to you with the support of Insta360 - the leaders in 360-degree video technology. To explore their innovative range and claim your special SpaceTime bonus, visit store.insta360.com and use the coupon code SpaceTime at checkout.In this episode of SpaceTime, we uncover exciting new research challenging our understanding of dark matter, reveal hidden treasures beneath the Earth's surface, and explore the potential for life on Titan, Saturn's enigmatic moon.Modified Newtonian Dynamics: A Dark Matter AlternativeRecent studies suggest that modified Newtonian dynamics (MOND) may serve as a viable alternative to the elusive dark matter hypothesis. This theory, proposed by physicist Mordecai Milgrom, modifies Newton's laws to explain the gravitational behavior observed in galaxies without relying on dark matter. We delve into the latest findings that support MOND, including a novel method for measuring gravity in wide binary star systems, which indicates that gravity may actuall
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SpaceX's Starship 9: A Journey Through Triumph and Turmoil
04/06/2025 Duration: 33minSponsor Details:Incogni: When your data privacy matters, you need Incogni. To get your special SpaceTime deal and bonuses, visit www.incogni.com/stuartgary and let them do all the heavy lifting for youInsta360This episode is brought to you with the support of Insta360 - the innovators in 360-degree camera technology. Capture your adventures with the Insta360 X5, designed for extreme conditions. To claim a free invisible selfie stick with your purchase, visit store.insta360.com and use the promo code SpaceTime!In this episode of SpaceTime, we explore the latest developments in space exploration, lunar geology, and solar phenomena.SpaceX's Fiery Ninth Starship Test FlightThe latest test flight of SpaceX's Starship ended dramatically as both the orbiter and the booster were destroyed during reentry. Despite the fiery conclusion, SpaceX officials noted that the test was designed to push the limits of the spacecraft. The flight featured numerous milestones, including a successful hot staging and the first reflight
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Unraveling the Hubble Constant: A New Era of Cosmic Understanding
02/06/2025 Duration: 24minSponsor Details:This episode is brought to you with the support of Insta360 - the pioneers in 360-degree video technology. To explore their innovative range and claim your special offer, visit store.insta360.com and use the coupon code SpaceTime at checkout.In this episode of SpaceTime, we tackle some of the universe's most pressing mysteries, including new insights into the Hubble constant, the surprising geology of Venus, and the building blocks of stellar formation.Resolving the Hubble Constant DebateNew data from the James Webb Space Telescope may have finally reconciled the long-standing discrepancy in the measurement of the Hubble constant, the rate at which the universe expands. For years, scientists have grappled with differing values derived from cosmic microwave background radiation and supernova observations. Lead author Wendy Friedman discusses how recent findings suggest that the standard model of cosmology holds up, with the Hubble constant now estimated at 70.4 kilometres per second per megapar
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Gravity's New Dawn: The Quest for a Unified Theory
30/05/2025 Duration: 50minSponsor Details:This episode is brought to you with the support of Insta360 - the leaders in 360 degree video. To check out the range and grab your special SpaceTime bonus, visit store.insta360.com and use the coupon code SpaceTime at checkout.In this episode of SpaceTime, we delve into groundbreaking advancements in our understanding of gravity, the intriguing thermal characteristics of the Moon, and the discovery of white dwarf pulsars.A New Theory of GravityScientists have proposed a revolutionary new theory of gravity that brings us closer to the long-sought theory of everything. This quantum theory of gravity aims to unify gravity with the fundamental forces of nature, offering potential solutions to some of the most profound questions in physics, including the nature of dark matter and dark energy. We explore the implications of this theory and how it could reshape our understanding of the universe's origins and the behavior of black holes.The Moon's Hot SideRecent findings suggest that the Moon's near
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Jupiter's Gigantic Past
28/05/2025 Duration: 22minSponsor Details:This episode is brought to you with the support of Insta360 - the game changer in 360-degree camera technology. Capture stunning moments with the Insta360 X5, which records 8K 360-degree video. To bag a free invisible selfie stick with your purchase, head to store.insta360.com and use the promo code SpaceTime!In this episode of SpaceTime, we uncover remarkable revelations about Jupiter, lightning-induced gamma rays, and groundbreaking achievements in spaceflight.Jupiter's Magnificent PastA new study reveals that Jupiter, the solar system's largest planet, was once twice its current size and possessed a magnetic field 50 times stronger than today. Researchers, led by Konstantin Batygin, used the orbits of Jupiter's small moons, Amalthea and Thebe, to deduce these findings, providing critical insights into the early stages of planetary formation. The implications of this research could reshape our understanding of gas giants and their formation processes across the universe.Gamma Rays and Lightn
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The Universe's Surprising Expiration Date
27/05/2025 Duration: 21minSponsor Details:This episode is brought to you with the support of Insta360 - for incredible 360 degree videos you really need to check their cameras out. To see the range and claim your free offer, visit store.insta360.com and use the coupon code SpaceTime at checkout.In this episode of SpaceTime, we explore some mind-bending revelations about the universe, including a new estimate for its ultimate fate, the peculiar gravity of the asteroid Bennu, and India's ambitious plans for its first manned spaceflight.The Universe's Unexpected Expiration DateA groundbreaking study suggests that the universe could meet its end in a mere 10^78 years, significantly sooner than the previously estimated 10^1100 years. This revelation, based on calculations involving Hawking radiation, sheds light on how black holes and other celestial bodies lose mass over time. We discuss the implications of this research and the fascinating mechanics behind black hole evaporation, including the surprising equivalence in decay rates betwee
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Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries
23/05/2025 Duration: 22minSponsor Details:This episode is brought to with the support of NordVPN....the official VPN service of SpaceTime. To check out your special SpaceTime discount with 30 day money back guarantee, visit www.nordvpn.com/stuartgary or use the coupon code STUARTGARY at checkout.This episode of SpaceTime delves into groundbreaking discoveries and theories that reshape our understanding of the universe, including the origins of dark matter, the first visible light auroras on Mars, and new insights into massive X-ray explosions near supermassive black holes.The Birth of Dark Matter ExplainedA new hypothesis suggests that dark matter, which constitutes about 85% of the universe's mass, may have originated from massless particles that condensed as they slowed down. This theory, outlined in the journal Physical Review Letters, proposes that these particles formed during the early universe's chaotic conditions, akin to steam turning into water. We discuss how this model could be tested using existing cosmic microwave backgr
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Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years
21/05/2025 Duration: 23minThis episode of SpaceTime explores the recent surge in solar activity, including the largest solar flare of the year and the most intense geomagnetic storm in two decades.Massive Solar Flare and Its ImplicationsWe delve into the details of a powerful X 2.7 class solar flare that erupted from a newly active sunspot region, AR14087. Although the flare was not initially directed towards Earth, its rotation has now positioned it directly in our path. We discuss the mechanics of solar flares, their classification, and the potential impacts of such events on our planet, including disruptions to communication systems, satellite operations, and even power grids.The Gannon Storm: A Historic Geomagnetic EventThe episode highlights the Gannon Storm, a severe geomagnetic storm that struck Earth on May 10, 2024. Coinciding with a space weather exercise, this event caused significant disruptions, including high voltage power line failures and rerouted flights due to radiation exposure. We analyze its effects on the atmosph
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Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact
19/05/2025 Duration: 30minThis episode of SpaceTime covers a range of exciting topics, including the delayed launch of Gilmour Space's Eris rocket, groundbreaking discoveries on Venus, and a billion-year-old asteroid impact in Scotland that raises new questions about the evolution of life on Earth.Eris Rocket Launch DelayedGilmour Space has postponed the maiden launch of its Eris orbital rocket due to technical issues encountered during pre-flight checks. The rocket, designed to carry small satellite payloads, will now face a delay of at least three weeks as the company investigates the unexpected deployment of the launch vehicle's nosecone fairings. We discuss the implications of this delay and what it means for future commercial launches.Tectonic Activity on VenusIn a fascinating discovery, scientists have identified possible tectonic activity on Venus, based on data from NASA's Magellan mission. Researchers found evidence of unique geological features known as coronae, which may indicate ongoing deformation of the planet's surface
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Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress
16/05/2025 Duration: 22minSponsor 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 BiosignaturesScientists 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 FamilyIn 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 gro
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Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers
14/05/2025 Duration: 22minSponsor 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 MatterAstronomers 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 ShapeIn an exciting development for lunar exploration, the first habitation m
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Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate
13/05/2025 Duration: 36minSponsor 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 DiscoveredAstronomers 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 findi
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Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles
09/05/2025 Duration: 35minSponsor DetailsThis 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 bub
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The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate
07/05/2025 Duration: 29minSponsor 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
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Eos: The Nearby Molecular Cloud; Jupiter's Polar Cyclones...
06/05/2025 Duration: 26minSponsor 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 MicroscopeNext, we delve into the latest revelations from NASA's Juno mission, which i
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Mars' Carbon Cycle Unveiled, SKA Project Progress, and ISS Rush Hour
02/05/2025 Duration: 28minThis episode of SpaceTime is brought to you with the support of Incogni - take back control of your data online by getting Incogni for not very much money. To check our sprcial SpaceTime listeners deal, visit www,incogni.com/spacetime.In this episode of SpaceTime, we uncover groundbreaking discoveries and updates from the cosmos. First, NASA's Curiosity Rover has revealed evidence of a carbon cycle on Mars, with significant carbon deposits found in Gale Crater. This finding, detailed in the journal Science, brings researchers closer to understanding Mars's potential to support life in its past. We discuss the implications of these findings and what they mean for the Red Planet's climatic history and habitability.Square Kilometer Array UpdateNext, we provide an exciting update on the billion-dollar Square Kilometer Array (SKA) project, the world's largest radio telescope currently under construction in Australia and South Africa. We explore how this massive facility will revolutionize our understanding of the