SpaceTime: Your Guide to Space & Astronomy

Stuart Gary
undefined
Jun 25, 2025 • 21min

Cosmic Threads: Discovering the Universe's Hidden Matter in Hot Gas Filaments

In this episode of SpaceTime, we uncover significant advancements in our understanding of the universe and ongoing developments in space exploration.Astronomers Find the Universe's Missing MatterA groundbreaking study reveals that the universe's elusive normal matter is concealed within hot intergalactic gas filaments. This discovery, detailed in the journal Astronomy and Astrophysics, identifies a massive filament of gas, ten times the mass of the Milky Way, connecting four galaxy clusters. Utilizing the European Space Agency's XMM-Newton and JAXA's Suzaku X-ray space telescopes, researchers have successfully characterized this filament, providing crucial insights into the cosmic web's structure and supporting existing models of the universe.Concerns Grow Over Leaks Aboard the International Space StationFresh concerns regarding leaks aboard the International Space Station have led to delays in the SpaceX Axiom Spaceflight 4 mission. NASA is closely monitoring cabin pressure in the Russian segment of the station, where ongoing structural issues have been identified. Despite recent repairs, the situation remains a top safety priority as astronauts prepare for their upcoming mission.European Space Agency's Mars Rover ProgressThe European Space Agency's ExoMars rover, Rosalind Franklin, is back on track to land on Mars in 2028, seven years later than originally planned. This mission aims to search for signs of past life on the Red Planet and investigate its geochemical environment. With new funding and NASA's agreement to provide launch services, the Rosalind Franklin rover is undergoing final tests to ensure its success on the Martian surface.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and Astrophysicshttps://www.aanda.org/European Space Agencyhttps://www.esa.int/NASAhttps://www.nasa.gov/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 76 for broadcast on 25 June 202501:00 Astronomers find the universe's missing matter12:15 Concerns grow over leaks aboard the International Space Station22:30 European Space Agency's Mars rover progress30:00 Science report: New insights into conversion therapy and health impacts
undefined
Jun 23, 2025 • 24min

Starship Catastrophe: The Latest Test Flight Explosion and Its Implications

In this episode of SpaceTime, we explore some of the most recent and intriguing developments in space exploration and cosmic phenomena.Starship's Latest Test Flight Ends in ExplosionSpaceX faces another setback as its 10th Starship test flight ended in a massive explosion at the Massey test stand in Boca Chica, Texas. The incident occurred just minutes before a planned static fire test of the upper stage. We discuss the details of the explosion, including early indications of a cryogenic methane leak and the implications for SpaceX's ambitious goals of interplanetary transport.A Cosmic Anomaly and Its Frightening Implications for EarthA newly discovered cosmic anomaly challenges our understanding of galaxy evolution. A distant spiral galaxy, housing a supermassive black hole billions of times the mass of the Sun, is emitting colossal radio jets stretching over 6 million light years. This finding raises alarming questions about the potential future of our own Milky Way and the dangers posed by similar jets originating from Sagittarius A, our galaxy's supermassive black hole. We delve into the study's findings and their implications for life on Earth.New Insights into Neutron StarsA groundbreaking study has provided new insights into the birth masses of neutron stars, revealing that they typically form with a mass around 1.3 times that of our Sun. Using advanced modeling techniques, researchers analyzed a sample of neutron stars in binary systems to understand their formation history better. This research opens up new avenues for interpreting gravitational wave detections and understanding the lifecycle of massive stars.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical Societyhttps://academic.oup.com/mnrasNature Astronomyhttps://www.nature.com/natureastronomy/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 75 for broadcast on 23 June 202501:00 Starship's latest test flight ends in explosion12:15 A cosmic anomaly and its frightening implications for Earth22:30 New insights into neutron stars30:00 Science report: Cannabis use linked to increased cardiovascular disease risk
undefined
Jun 20, 2025 • 21min

Cosmic Giants: Unveiling the Universe's Largest Particle Cloud

In this episode of SpaceTime, we uncover groundbreaking discoveries and innovative advancements in the realm of space and planetary science.Record-Breaking Cosmic Structure DiscoveredAstronomers have imaged an unprecedented cosmic structure, a massive cloud of energetic particles surrounding a galaxy cluster that spans nearly 200 million light years. This remarkable finding, presented at the 246th meeting of the American Astronomical Society, challenges existing theories about particle energization, suggesting that giant shock waves and turbulence are at play rather than nearby galaxies. We delve into the implications of this discovery for our understanding of cosmic magnetic fields and the dynamics of galaxy clusters.A New Approach to Building MarsA recent study has revealed a novel method for planetary core formation, suggesting that molten sulfide rather than metal could create a core in rocky planets like Mars. This research, published in Nature Communications, offers fresh insights into the early evolution of terrestrial worlds, particularly in sulfur-rich environments. We discuss how this finding could reshape our understanding of Mars's geochemical timeline and its core formation process.High-Performance Infrared Nano AntennasScientists have developed innovative gold nano antennas that significantly enhance the capabilities of thermal infrared cameras, improving image quality and sensitivity. This advancement, led by researchers at Sandia National Laboratories, allows for clearer observations of thermal infrared radiation, with applications ranging from astronomy to national security. We explore the technology behind these nano antennas and their potential impact on various fields.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Communicationshttps://www.nature.com/ncomms/American Astronomical Societyhttps://aas.org/Sandia National Laboratorieshttps://www.sandia.gov/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 74 for broadcast on 20 June 202501:00 Record-breaking cosmic structure discovered12:15 A new approach to building Mars22:30 High-performance infrared nano antennas30:00 Science report: New dinosaur species discovered
undefined
Jun 18, 2025 • 29min

Solar Secrets Unveiled - Solar Orbiter's Ground-breaking detail of the Sun's South Pole

In this episode of SpaceTime, we delve into the latest astronomical discoveries and advancements in space exploration.Solar Orbiter's Unprecedented Views of the Sun's South PoleFor the first time, astronomers have captured detailed observations of the Sun's south pole thanks to the joint NASA/ESA Solar Orbiter spacecraft. This mission provides insights into the Sun's magnetic field dynamics and its role in the solar cycle, including the current solar maximum, which is marked by increased solar activity and spectacular auroras visible at lower latitudes than usual. We discuss the implications of these findings for our understanding of solar physics and space weather.Surprising Discoveries on the Moons of UranusNASA's Hubble Space Telescope has revealed unexpected surface characteristics of Uranus's largest moons. Contrary to predictions, the leading sides of these moons showed signs of darkening, challenging previous theories about the interactions between the moons and Uranus's magnetosphere. We explore the significance of these observations and what they suggest about the complex relationship between Uranus and its satellites.Europe's Ariane 6 Rocket Prepares for Its Third LaunchThe European Space Agency is gearing up for the third flight of its new Ariane 6 rocket, set to launch a meteorological satellite into orbit. We provide an overview of the Ariane 6's design advancements, its performance in previous launches, and how it enhances Europe's independent access to space. This rocket represents a significant step forward in European space capabilities.www.spacetimewithstuartgary.com✍️ Episode ReferencesNASA Solar Orbiterhttps://www.nasa.gov/solarorbiterHubble Space Telescopehttps://hubblesite.org/Ariane 6 Launch Detailshttps://www.arianespace.com/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 73 for broadcast on 18 June 202501:00 Solar Orbiter's unprecedented views of the Sun's south pole12:15 Surprising discoveries on the moons of Uranus22:30 Europe's Ariane 6 rocket prepares for its third launch30:00 Science report: New insights into the Dead Sea Scrolls and autism research
undefined
Jun 16, 2025 • 27min

Hidden Depths of the Moon: What Glass Beads Reveal About Its Mantle

Sponsor 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 the galactic center of the Milky Way are unexpectedly low, despite the high density of stellar material. Utilizing data from NASA's retired SOFIA observatory, researchers have identified that these regions may produce only one generation of stars, challenging traditional models of stellar nurseries. We explore what these revelations mean for our understanding of galactic dynamics and star formation processes.Another Lunar Lander Crashes on the MoonThe Japanese I Space lunar lander, Resilience, has tragically crashed during its landing attempt on the Moon, marking another setback in the race for lunar exploration. We delve into the details surrounding the mission's failure and the ongoing investigations aimed at uncovering the cause of the crash. This incident highlights the challenges faced by commercial space missions as they strive to achieve successful lunar landings.www.spacetimewithstuartgary.com✍️ Episode ReferencesScience Advanceshttps://www.science.org/journal/sciadvAstrophysical Journalhttps://iopscience.iop.org/journal/0004-637XBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 72 for broadcast on 16 June 202501:00 A new window into the Moon's hidden mantle12:15 Unusual stellar nursery discovered near the Milky Way's center22:30 Another lunar lander crashes on the Moon30:00 Science report: New insights into the mystery of why cats purr
undefined
Jun 13, 2025 • 19min

Stellar Encounters: A Second Collision of Galaxy Giants

Sponsor 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 detected in the main propulsion system. We discuss the technical challenges faced by the mission team, the significance of the asteroid Psyche, and what this means for the spacecraft's journey to explore this intriguing metallic asteroid, scheduled for arrival in 2029.Discovery of a New Atomic NucleusFor the first time in over three decades, scientists have measured the heaviest nucleus decaying through proton emission. This discovery, involving the lightest known isotope of astatine-188, sheds light on the rare form of radioactive decay and the intricate properties of exotic nuclei. We explore the experimental techniques used and the theoretical implications of this groundbreaking finding.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journalhttps://iopscience.iop.org/journal/0004-637XNASA Psyche Missionhttps://www.nasa.gov/psycheBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 71 for broadcast on 13 June 202501:00 Galactic collision course: Two massive galaxy clusters set for round two12:15 NASA's Psyche mission switches to backup systems22:30 Discovery of a new atomic nucleus30:00 Science report: Unprecedented ocean warming in the South Pacific
undefined
Jun 11, 2025 • 19min

Stellar Catastrophes: The Most Powerful Explosions Since the Big Bang

In 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 mission, its new sampling strategy, and the significance of the clay minerals found in the region, which could preserve organic compounds.First Light for Europe's New Killer Asteroid HunterThe European Space Agency's FlyEye telescope has achieved its first light, marking a new era in the search for near-Earth asteroids that could threaten our planet. Designed to capture a vast region of the sky simultaneously, FlyEye will operate autonomously to detect and track these celestial hazards. We delve into how this innovative technology will enhance our planetary defense efforts and the role it will play in monitoring potential threats.www.spacetimewithstuartgary.com✍️ Episode ReferencesScience Advanceshttps://www.science.org/journal/sciadvNaturehttps://www.nature.com/nature/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 70 for broadcast on 11 June 202501:00 The most powerful cosmic explosions since the Big Bang12:15 NASA's Perseverance Rover takes a bite of ancient Martian rock22:30 First light for Europe's new killer asteroid hunter30:00 Science report: Global drought severity increases since 1981
undefined
Jun 9, 2025 • 24min

Galactic Collision Uncertainty: New Insights on the Milky Way and Andromeda

Sponsor 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 predictions about our galactic future.Understanding Seismic Wave Acceleration in Earth's D LayerA fascinating new study sheds light on the behavior of seismic waves deep within the Earth. Researchers have discovered that the unique crystal structure of minerals in the D layer, located near the core-mantle boundary, influences the acceleration of seismic waves. This breakthrough not only clarifies the mystery behind seismic wave behavior but also provides insights into the dynamics at play in the Earth's depths.Discovery of Embryonic Exoplanets Using Advanced TechniquesAstronomers have unveiled a new technique that has successfully identified five new embryonic exoplanets, offering a glimpse into their early formation stages. Utilizing the ALMA radio telescope, researchers can peer through dense protoplanetary disks to detect these young planets, which are forming rapidly in dynamic environments. This revolutionary method opens new avenues for understanding planetary evolution and the processes that govern the birth of new worlds.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/Communications Earth and Environmenthttps://www.nature.com/commsenv/Astrophysical Journal Lettershttps://iopscience.iop.org/journal/0004-637XBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 69 for broadcast on 9 June 202501:00 New insights on the Milky Way and Andromeda collision12:15 Understanding seismic wave acceleration in Earth's D layer22:30 Discovery of embryonic exoplanets using advanced techniques30:00 Science report: AI systems refusing to turn off
undefined
Jun 6, 2025 • 24min

MOND vs. Dark Matter: A New Perspective on Cosmic Mysteries

Sponsor 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 actually be stronger than Newton's predictions under certain conditions.Earth's Hidden Gold ReservesA groundbreaking study reveals that Earth's core may contain vast reserves of gold and other precious metals, far beyond what is accessible on the surface. Researchers discovered traces of ruthenium in volcanic rocks from Hawaii, suggesting that these metals originated from the core and are leaking into the mantle. This research opens new avenues for understanding Earth's internal dynamics and the movement of materials from the core to the surface.Searching for Life's Chemistry on TitanNASA's upcoming Dragonfly mission aims to investigate the intriguing chemistry of life on Titan, Saturn's largest moon. With its organic-rich environment and unique geological features, Titan presents an opportunity to study prebiotic chemistry in a way that Earth cannot. We explore how Dragonfly will analyze the moon's surface and atmosphere to uncover clues about the processes that may have led to the emergence of life, potentially reshaping our understanding of habitability in the universe.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journalhttps://iopscience.iop.org/journal/0004-637XNaturehttps://www.nature.com/nature/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 68 for broadcast on 6 June 202501:00 Modified Newtonian dynamics as an alternative to dark matter12:15 Earth's hidden gold reserves22:30 Searching for life's chemistry on Titan30:00 Science report: Ancient tool-making from whale bones and quantum computing breakthroughs
undefined
Jun 4, 2025 • 33min

SpaceX's Starship 9: A Journey Through Triumph and Turmoil

Sponsor 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 of a booster. However, issues arose during the landing burn, resulting in a spectacular explosion. We discuss the implications of this test and what it means for future missions, including NASA's Artemis 3.Lunar Rocks and Their Magnetic MysteryA new study proposes that a significant asteroid impact may explain the presence of highly magnetic rocks on the Moon. Researchers suggest that a brief amplification of the Moon's weak magnetic field, caused by a large plasma-generated impact event, could account for the magnetism observed in some lunar samples. This hypothesis sheds light on the Moon's geological history and its magnetic properties, particularly in regions near the lunar south pole, where future missions are planned.Revealing the Sun's CoronaAstronomers have captured unprecedented details of the Sun's corona using a new adaptive optics system. This groundbreaking technology has allowed scientists to produce the clearest images of the corona yet, enhancing our understanding of coronal heating and solar eruptions. The new observations reveal dynamic features and turbulent flows within the corona, providing insights into the mechanisms driving space weather and its effects on Earth.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/Science Advanceshttps://www.science.org/journal/sciadvBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 67 for broadcast on 4 June 202501:00 SpaceX's ninth Starship test flight12:15 Lunar rocks and their magnetic mystery22:30 Revealing the Sun's corona30:00 Science report: New methods for green hydrogen production

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app