SpaceTime with Stuart Gary

Stuart Gary
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Aug 14, 2025 • 18min

NISAR Launch: Unveiling Earth's Secrets Through Radar

In this episode of SpaceTime, we journey through the latest advancements in space exploration and cosmology, featuring a groundbreaking radar mission, a new hypothesis on the universe's origins, and updates on the International Space Station.NISAR: A New Era in Earth ObservationThe Indian Space Research Organisation (ISRO) has successfully launched the NISAR satellite, a joint mission with NASA that promises to revolutionise our understanding of Earth's dynamic systems. This advanced synthetic aperture radar satellite will monitor changes in forests, wetlands, and ice-covered surfaces with unprecedented detail, providing crucial data for disaster response, infrastructure management, and climate change studies. With its ability to see through clouds and operate day and night, NISAR will deliver vital insights into the planet's movements and environmental changes every 12 days, enhancing our preparedness for natural hazards.A New Hypothesis on the Universe's OriginsIn a significant shift in cosmological theory, scientists have proposed a new model that explains the universe's early moments without relying on speculative elements. This revolutionary hypothesis, reported in the journal Physical Review Research, suggests that natural quantum fluctuations in a state known as de Sitter space could account for the density differences that led to the formation of galaxies and stars. By eliminating arbitrary parameters, this model offers a clearer understanding of the cosmos and poses fundamental questions about our existence and origins.Russia's Commitment to the International Space StationIn a surprising announcement, Russia has confirmed its intention to remain a partner in the International Space Station (ISS) project until at least 2028, despite previous threats to withdraw. This decision comes amid ongoing geopolitical tensions and technical challenges within the Russian segment of the ISS. As the global space community continues to evolve, Russia's commitment ensures continued collaboration in low Earth orbit, even as plans for an independent Russian space station progress.www.spacetimewithstuartgary.com✍️ Episode ReferencesPhysical Review Researchhttps://journals.aps.org/prresearch/NASA NISAR Missionhttps://www.nasa.gov/nisarBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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Aug 13, 2025 • 32min

Planetary Demise - Tracking the Death Spiral of TOI 2109b

In this episode of SpaceTime, we delve into the cosmic drama unfolding in our universe, featuring a doomed exoplanet, new revelations about Mars, and the latest crew aboard the International Space Station.The Death Spiral of TOI 2109bAstronomers are closely monitoring the death spiral of TOI 2109b, an exoplanet located over 870 light-years away. This gas giant, nearly five times the mass of Jupiter, completes an orbit around its host star in just 16 hours, making it the closest hot Jupiter discovered to date. Researchers from Macquarie University have found that the planet's orbit is decaying, leading to three potential end scenarios: being torn apart by tidal forces, plunging into its host star, or losing its gaseous envelope to intense radiation. These findings provide valuable insights into planetary evolution and the fate of gas giants in close orbits.New Insights into Mars's Ancient SurfaceA recent study has identified a new type of iron sulfate on Mars, suggesting significant geothermal and chemical activity on the planet's surface. Researchers have characterized this uncommon mineral, which may represent a new type due to its unique crystalline structure. The discovery sheds light on how heat, water, and chemical reactions have shaped Mars, and indicates that the planet may have been more geologically active than previously thought. This research enhances our understanding of Mars's potential to have supported life in its past.New Crew Arrives at the International Space StationNASA has successfully delivered a new crew to the International Space Station aboard a SpaceX Dragon capsule. The crew, consisting of two Americans, a Russian, and a Japanese astronaut, will replace colleagues who have been aboard since March. As NASA considers extending crew stays from six to eight months to reduce costs, the new team is set to contribute to ongoing research and operations in low Earth orbit.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journalhttps://iopscience.iop.org/journal/1538-4357Nature Journalhttps://www.nature.com/nature/NASA's International Space Stationhttps://www.nasa.gov/mission_pages/station/main/index.htmlBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is space Time Series 28, Episode 97 for broadcast on 13 August 202500:42 Astronomers are tracking the death spiral of a doomed planet more than 870 light years away12:06 ToI 2109 is one of the most interesting systems that we've got17:06 Scientists have identified a new type of iron sulfate on the Red Planet23:47 NASA has delivered four new crew members to the International Space Station aboard SpaceX Dragon25:10 New study claims consuming three fries a week increases risk of developing type 2 diabetes26:13 Google about to offer AI study tools to college students for free29:53 You've got to check for updates on all your Apple devices
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Aug 11, 2025 • 21min

Cosmic Monsters and Martian Rivers

In this episode of SpaceTime, we explore groundbreaking discoveries and ambitious plans in the realm of space exploration.The Most Distant Black Hole: Casper's Lidz 9Astronomers have identified the most distant black hole ever observed, known as Casper's Lidz 9, dating back 13.3 billion years to a time when the universe was only half a billion years old. This supermassive black hole, weighing in at approximately 300 million solar masses, raises intriguing questions about its rapid growth in the early universe. The findings, published in the Astrophysical Journal, provide a unique opportunity to study the structure and evolution of galaxies during this enigmatic period, with implications for our understanding of black hole formation.New Insights into Ancient Martian WaterRecent research suggests that Mars was even wetter than previously believed. A study presented at the Royal Astronomical Society's national meeting examined over 1500 kilometres of ancient riverbeds in the Nochesterra region, indicating that flowing water was widespread during the Noche and Hesperian transition around 3.7 billion years ago. These findings challenge existing theories about Mars's dry history and suggest a more complex and active planet, potentially providing a more hospitable environment for ancient life.Nuclear Reactors for Moon and Mars BasesThe United States has unveiled plans to develop nuclear reactors to power future bases on the Moon and Mars, with the first plant expected to launch by the end of the decade. This initiative aims to support sustained human presence on these celestial bodies, addressing energy needs that solar power cannot fulfil. The reactors will provide essential electricity for life support, scientific equipment, and resource utilisation, marking a significant step in the ongoing space race.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journalhttps://iopscience.iop.org/journal/1538-4357NASA's Artemis Programhttps://www.nasa.gov/specials/artemis/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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Aug 8, 2025 • 22min

Martian Glaciers Revealed: Unveiling Water Ice and the Hunt for Intermediate Mass Black Holes

In this episode of SpaceTime, we uncover intriguing discoveries about Mars, the cosmos, and the latest advancements in space technology.Martian Glaciers: Pure Water IceRecent research reveals that Martian glaciers are composed of over 80% pure water ice, challenging previous assumptions that they were primarily rocky. This groundbreaking study, led by Yuval Steinberg from the Weizmann Institute, utilized standardized measurements to analyze the dielectric properties of these glaciers, providing a clearer understanding of their composition. The findings not only enhance our knowledge of Martian geology but also have significant implications for future manned missions, as these glaciers could serve as vital water sources for astronauts.Discovery of an Intermediate Mass Black HoleNASA's Hubble Space Telescope and Chandra X-Ray Observatory have identified a rare intermediate mass black hole, known as NGC6099HLX1, actively consuming a star. This black hole, located approximately 450 million light-years away, resides in a compact star cluster and exhibits extreme luminosity during its tidal disruption event. The discovery sheds light on the formation of black holes and their role in galactic evolution, providing crucial insights into the elusive intermediate mass category that bridges stellar and supermassive black holes.United States Space Force's X37B MissionThe United States Space Force is gearing up for the eighth mission of its Boeing X37B space shuttle, set to launch from Cape Canaveral Space Force Base. This mission will test advanced technologies, including a high-bandwidth inter-satellite laser communications system and a cutting-edge quantum inertial sensor. The X37B's unique capabilities allow it to conduct classified operations while remaining difficult to track, highlighting its significance in modern space operations.www.spacetimewithstuartgary.com✍️ Episode ReferencesIcarus Journalhttps://www.journals.elsevier.com/icarusAstrophysical Journalhttps://iopscience.iop.org/journal/1538-4357NASA Hubble Space Telescopehttps://hubblesite.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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Aug 6, 2025 • 27min

Galactic Secrets Uncovered: The Milky Way's Orphan Galaxies and Parker Solar Probe's Stunning Solar Images

In this episode of SpaceTime, we explore exciting new findings about our galaxy, the latest achievements of NASA's Mars Curiosity rover, and groundbreaking images of the Sun captured by the Parker Solar Probe.Milky Way's Hidden SatellitesRecent research suggests that the Milky Way may host up to 100 previously undetected satellite galaxies. Using advanced supercomputer simulations and mathematical modeling, astronomers have identified the existence of these faint dwarf galaxies, which could provide crucial support for the Lambda cold dark matter model. Currently, only 60 companion galaxies are confirmed, but with new telescopes like the Vera Rubin Observatory, the search for these elusive satellites is set to expand, potentially reshaping our understanding of the universe's structure.Curiosity Rover Reaches New HeightsNASA's Mars Curiosity rover has made significant progress in its exploration of Mount Sharp, revealing intricate geological formations known as boxwork. This unique terrain, shaped by ancient groundwater processes, offers valuable insights into the Red Planet's history. Curiosity has been utilizing its advanced instruments to analyze the composition of the Martian surface and conduct atmospheric observations, marking a new phase in its mission to uncover the secrets of Mars.Parker Solar Probe's Record-Breaking ImagesIn a groundbreaking achievement, NASA's Parker Solar Probe has captured the closest images of the Sun ever taken. These stunning observations, made during a recent pass through the solar corona, are helping scientists understand solar phenomena and their impact on space weather. The high-resolution images reveal important details about the solar wind and coronal mass ejections, providing insights that could improve predictions of solar activity and protect technology on Earth.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/NASA Mars Curiosity Missionhttps://mars.nasa.gov/msl/Parker Solar Probehttps://www.nasa.gov/content/parker-solar-probeBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 New study says Milky Way could have far more satellite galaxies than previously thought00:47 Our Milky Way galaxy could have more satellite galaxies surrounding it than previously predicted05:37 NASA's Mars Curiosity rover reaches new heights exploring boxwork terrain on Mount Sharp09:08 NASA's Parker Solar Probe captured stunning new images of the solar atmosphere18:40 A new study warns that hail storms could hit Australian cities harder due to climate change
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Aug 4, 2025 • 24min

ERIS 1: Australia's Orbital Rocket Launch Attempt and the Cosmic Origins of Life

In this episode of SpaceTime, we delve into significant developments in space exploration, from Australia's latest rocket launch attempt to groundbreaking theories about the origins of life.Australia's ERIS 1 Rocket Launch: A Learning ExperienceIn a dramatic turn of events, Gilmour Space's ERIS 1 rocket experienced a failure just seconds after liftoff, marking Australia's first orbital rocket launch in years. Despite the setback, CEO Adam Gilmour emphasizes the lessons learned from the test flight, which will inform the design and operation of future launches. The rocket's ascent was initially promising, but engine failures led to a crash shortly after clearing the launch tower. Fortunately, no injuries or environmental damage occurred, and the mission provided valuable data that will enhance the next attempt.Life's Origins: A Cosmic PerspectiveA new study suggests that the building blocks of life may have originated in outer space rather than on Earth. Using the ALMA radio telescope, astronomers detected complex organic molecules in the protoplanetary disk of the protostar UH V883 Orionis. These findings indicate that essential compounds, such as ethylene glycol and glycolonitrile, are not only present in various cosmic environments but may also be the precursors to amino acids and other vital biological components. This research supports the notion that the seeds of life are widespread throughout the universe.Boeing's Starliner Delays ContinueBoeing's Starliner spacecraft faces further delays, now pushed back to at least 2026 before it can carry humans into space. Ongoing technical issues have plagued the project, including helium leaks and thruster control problems. NASA is working closely with Boeing to address these challenges, but the timeline for crewed missions remains uncertain as SpaceX continues to lead in transporting astronauts to the International Space Station.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal Lettershttps://iopscience.iop.org/journal/1538-4357NASA's Commercial Crew Programhttps://www.nasa.gov/exploration/commercial/crew/index.htmlGilmour Spacehttps://gilmourspace.com/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 A new study says the evolution of life may well have origins in outer space00:47 Gilmour Space's Ares 1 orbital rocket crashed two seconds after launch10:37 A new study says the evolution of life may have origins in outer space11:28 Astronomers find 17 complex organic molecules in distant planet forming disk19:35 New study finds images can shape public opinion regardless of true facts22:06 World Meteorological Organization says megaflash stretched 829km in 2017
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Aug 1, 2025 • 30min

Martian Clay Chronicles: Uncovering Life's Potential

In this episode of SpaceTime, we embark on a thrilling journey through the cosmos, exploring the potential for life on Mars, a remarkable discovery in the outer solar system, and the crucial mapping of sulfur throughout our galaxy.Searching for Life on MarsA new study reveals that thick layers of clay on Mars could indicate stable environments conducive to life billions of years ago. Researchers have identified that these clay deposits likely formed in standing bodies of water, providing the right conditions for chemical weathering and potentially supporting ancient life. The findings suggest that the balance between water and carbon cycles on Mars may explain the planet's geological history and the absence of carbonate rocks. Lead author Rhianna Moore discusses how these stable terrains could have fostered habitable conditions for extended periods, offering insights into the Red Planet's wet past.Discovery of 2020 VN40: A Distant Cosmic CompanionAstronomers have discovered a rare celestial body, 2020 VN40, located far beyond Neptune, moving in perfect synchronicity with the ice giant. This trans-Neptunian object orbits the sun once for every ten orbits Neptune completes, providing new insights into the dynamics of the outer solar system. The discovery, reported in the Planetary Science journal, enhances our understanding of how distant objects interact with Neptune's gravity and offers clues about the solar system's evolution.Mapping Sulfur in the Milky WayA groundbreaking study has mapped the distribution of sulfur across the Milky Way, an essential element for life. Utilizing the CRISM X-Ray Imaging and Spectroscopy mission, scientists have directly measured sulfur in both its gaseous and solid forms within the interstellar medium. The findings shed light on sulfur's role in the cosmos and its potential implications for understanding life's distribution throughout the galaxy. This research marks a significant step in answering fundamental questions about the building blocks of life in the universe.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/Planetary Science Journalhttps://iopscience.iop.org/journal/2632-3338CRISM Missionhttps://www.nasa.gov/mission_pages/asteroids/overview/crism.htmlBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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Jul 30, 2025 • 24min

Dark Energy Unveiled: New Insights from Supernovae, Lunar Magma Mysteries, and Europe's Space Weather Watch

In this episode of SpaceTime, we uncover groundbreaking revelations about dark energy, lunar geology, and Europe's innovative space weather monitoring initiative.Dark Energy: A Changing Force?Astronomers have compiled the largest supernova dataset to date, revealing tantalizing hints that dark energy may not be a constant force in the universe. This research, led by the International Supernova Cosmology Project, analyzes over 2,000 Type 1A supernovae to explore the evolving nature of dark energy, which currently comprises nearly 70% of the universe's mass-energy content. The findings suggest that if dark energy is weakening, it could significantly impact the universe's expansion and ultimate fate, challenging existing models and sparking excitement in the astrophysics community.New Insights into Lunar MagmaA recent study analyzing samples from China's Chang' e 5 mission indicates that molten magma may have persisted on the Moon's surface much longer than previously believed. Researchers, led by Stephen Alado, utilized radioactive dating to reveal that volcanic activity on the lunar far side could have continued for billions of years, contradicting earlier theories about the Moon's cooling process. This new understanding of lunar geology offers valuable insights into the Moon's evolution and the processes that shape celestial bodies.Europe's Space Weather Early Warning SystemThe European Space Agency is set to launch Vigil, a pioneering space weather probe, in 2031. Positioned at the Lagrangian L5 point, Vigil will provide unprecedented monitoring of solar activity, allowing for early warnings of solar storms that could disrupt communication systems and power grids on Earth. This mission aims to enhance our ability to predict and mitigate the impacts of space weather on modern infrastructure, marking a significant advancement in global space safety efforts.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journalhttps://iopscience.iop.org/journal/1538-4357Science Advanceshttps://www.science.org/journal/sciadvESA Vigil Missionhttps://www.esa.int/Applications/Observing_the_Earth/Space_Weather/VigilBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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Jul 29, 2025 • 21min

Stellar Mysteries: Unravelling Betelgeuse's Companion and Mars' Rock Enigmas

In this episode of SpaceTime, we dive into the depths of cosmic mysteries and groundbreaking discoveries, including the enigmatic Long Period Transient and the stellar companion of Betelgeuse, alongside exciting findings from Mars.Unraveling the Long Period TransientAstronomers have uncovered a new cosmic phenomenon, ASCAP J1832-0911, which emits both radio and X-ray pulses every 44 minutes for just two minutes at a time. This first-ever detection of a Long Period Transient has left scientists puzzled about its nature and origins. Lead author Dr Andy Wang from Curtin University discusses the potential theories, including the possibility of a magnetar or a binary star system, while emphasizing the need for further observations to unravel this cosmic mystery.Betelgeuse's Stellar CompanionIn a remarkable discovery, astronomers have identified a stellar companion orbiting the red supergiant Betelgeuse. This pre-main sequence star, approximately one and a half times the mass of the Sun, resides within Betelgeuse's outer atmosphere. As Betelgeuse approaches the end of its life, this companion is also on a collision course with destiny, likely spiraling into Betelgeuse within the next 10,000 years. This finding could shed light on the periodic brightness changes observed in similar red supergiant stars.Mars Perseverance Rover's New DiscoveriesNASA's Perseverance Rover continues its exploration of Jezero Crater, uncovering unusual rock formations that may reveal significant geological history. The rover is investigating an intriguing contact area where clay-bearing units meet olivine-rich rocks, potentially preserving evidence of ancient intrusive processes. Despite challenges in studying these formations, mission managers remain determined to unlock the secrets they hold about Mars' past.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal Lettershttps://iopscience.iop.org/journal/1538-4357NASA's Perseverance Rover Missionhttps://mars.nasa.gov/mars2020/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 Space Time series 28 episode 90 for broadcast on 28 July 202500:47 Long Period Transient emitting radio and X ray pulses every 44 minutes07:48 Astronomers have discovered what appears to be a companion star in binary orbit12:30 NASA's Mars Perseverance Rover is continuing its exploration of Jetro Crater15:00 New study links early smartphone use to poorer mental health later in life17:39 There are new reports of Bigfoot activity in the Pacific Northwest state of Washington
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Jul 25, 2025 • 23min

Celestial Discoveries: The Oldest Comet, Pulsar Insights, and Axiom Space's Successful Splashdown

In this episode of SpaceTime, we explore the latest cosmic revelations, including the astonishing discovery of an ancient interstellar comet, the intricate workings of a rare pulsar, and the safe return of the Axiom 4 crew from their mission.Ancient Interstellar Comet 3I/AtlasAstronomers have unveiled that the newly discovered interstellar object, 3I/Atlas, could be the oldest comet ever observed, potentially predating our solar system by over 3 billion years. This water-rich visitor, detected by NASA's ATLAS survey, is only the third known object from beyond our solar system to reach us. A study by Matthew Hopkins from Oxford University suggests that 3I/Atlas may be more than 7 billion years old, offering a glimpse into a part of the Milky Way previously unseen. As it approaches the sun, its activity is expected to increase, revealing more about its composition and the role ancient comets play in star and planetary formation.Unraveling the Mysteries of a Rare PulsarIn another exciting development, astronomers have made significant strides in understanding a unique pulsar system, PSRJ 1023 0038. This transitional millisecond pulsar, which interacts with a lower mass stellar companion, has been studied using data from NASA's Imaging X-Ray Polarimetry Explorer (IXPE). The findings suggest that the X-ray emissions originate from the pulsar wind rather than the accretion disk, challenging existing models and providing new insights into neutron star behavior and particle acceleration.Axiom Space AX4 Crew ReturnsThe Axiom Space AX4 crew has successfully splashed down in the North Pacific Ocean after nearly three weeks aboard the International Space Station. This mission, part of NASA's efforts to promote commercial activities in space, included a diverse crew and numerous scientific experiments. With the return of the AX4 crew, preparations are underway for NASA's upcoming Crew 11 mission, further expanding humanity's presence in low Earth orbit.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal Lettershttps://iopscience.iop.org/journal/1538-4357Journal of the American Medical Associationhttps://jamanetwork.com/journals/jamaBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 New interstellar object 3I/Atlas may be older than our solar system06:44 Foreign astronomers have discovered new evidence Explaining how pulsing remnants interact in space14:09 Private company Axiom Space's AX4 crew return safely to Earth16:06 Having a higher body mass index from early childhood and adolescence is linked to aging17:32 New study looked at which over the counter medicines are good at treating depression18:43 Brazilian psychic issues chilling warning about dangers posed by artificial intelligence

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