Spacetime With Stuart Gary

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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

  • S27E37: Betelgeuse's Boiling Secret: The Star That Spins Too Fast

    26/03/2024 Duration: 36min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 37*Betelgeuse's Surprising Spin: A Red Supergiant's SecretsAstronomers have been intrigued by the rapid rotation of the red supergiant star Betelgeuse, but new insights suggest its seemingly swift spin could be an illusion caused by its boiling surface. The star's dimming, once thought to herald an imminent supernova, turned out to be dust obscuring our view. Located in Orion, Betelgeuse's tumultuous surface, with convective bubbles the size of Earth's orbit, challenges our understanding of stellar dynamics.*The Moon's Cratered Past: A History Written in ImpactsNew research indicates the Moon endured more asteroid and comet bombardments than previously thought, potentially reshaping our knowledge of its geological history. This study reveals that early impacts may have left subtle marks, eluding detection due to a still-cooling lunar surface. As the Moon's magma ocean solidified, these ancient impacts could tell a tale of a dynamic early s

  • S27E36: Neutron Star Mass Mystery: Unlocking the Threshold of Black Holes

    22/03/2024 Duration: 24min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 36*The Precise Mass of Neutron Stars UnveiledAstronomers have pinpointed the exact upper mass limit for non-rotating neutron stars, providing a critical piece to the puzzle of black hole evolution. The study, detailed in Physical Review D, reveals that the heaviest non-rotating neutron stars weigh about 2.25 solar masses. This breakthrough in nuclear physics and astrophysics could refine our understanding of the stellar life cycle and the transition from neutron stars to black holes.*Japan's Aspirations for Private Spaceflight Go Up in SmokeJapan's first privately operated space launch provider, Space One, faced a fiery setback as its new solid-fuel rocket exploded seconds after liftoff. The ill-fated Karaos rocket, carrying a government test satellite, disintegrated over the Wakayama region, underscoring the harsh realities of space exploration. The incident highlights the challenges faced by emerging private space companies in the compet

  • S27E35: Red Planet Revelation: Mars Hides an Ancient Volcanic Behemoth

    20/03/2024 Duration: 31min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 36*Mars Unveils a Colossal Volcanic SecretAstronomers have discovered a massive ancient volcano on Mars, hidden beneath an ice sheet in the planet's Tharsus volcanic province. This behemoth, which has eluded detection by orbiting spacecraft since 1971, could offer new insights into the Red Planet's geologic past and potential for life. The structure, tentatively named Noctus Volcano, stands over 29,600 feet tall and spans about 280 miles across. Its discovery near the labyrinthine Noctus Labyrinthus and the colossal Valles Marineris suggests a long history of volcanic activity and hints at the presence of glacial ice beneath its surface.*Europe's New Radar Mission to Monitor Climate ChangeThe European Space Agency is gearing up for ROSAL, a cutting-edge Earth observation mission set to scrutinize the planet's oceans, land, and ice. With the largest deployable planar antenna array ever built, ROSAL will complement existing Copernicus Sentin

  • S27E34: The Ups and Downs of SpaceX's Starship: A Test Flight Tale

    18/03/2024 Duration: 36min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 34*SpaceX's Starship Tests the Limits of SpaceflightIn a breathtaking display of rocketry, SpaceX's Starship edges closer to the stars, nearly perfecting its third flight test. The behemoth of engineering, the Starship Super Heavy, roared through the Texan skies, reaching for orbital velocity. Despite a few hiccups, including the loss of both the Starship and its Super Heavy booster, the test marked significant progress towards SpaceX's ambitious goals for space colonization.*Voyager 1: The Silent Pioneer's Uncertain FutureVoyager 1, humanity's farthest-flung emissary, is now sending back puzzling signals from interstellar space. After over four decades of travel, the spacecraft's communication has become erratic, leaving scientists at NASA's Jet Propulsion Laboratory scrambling to decode the mystery. Could this be the twilight of the mission that has reshaped our understanding of the solar system?*A New Window into the High-Energy CosmosT

  • S27E33: Star Shredded by Black Hole: A Cosmic Feast Observed

    15/03/2024 Duration: 31min

    For your special NORDVPN discount and risk free 30 Day Money back guarantee, visit www.nordvpn.com/stuartgary and use the code STUARTGARY at checkout. Get your online privacy under control with the best in the business.The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 33*The Black Hole that Ripped Apart a StarIn a cosmic display of destruction, astronomers have witnessed the closest recorded incident of a star being devoured by a supermassive black hole. The event, spotted in galaxy NGC 3799, was observed in visible light, offering unprecedented insights into these violent phenomena. The tidal disruption event, now cataloged as Assassin 23 BD, emitted less energy and faded more rapidly than typical cases, placing it in a unique classification and suggesting such occurrences may be more common than once thought.*Hunting New Physics in Neutron Star WrecksThe cataclysmic mergers of neutron stars could be hiding secrets of new physics, with potential clues about the enigmatic dark matter. The

  • S27E32: Juno's Europa Flyby: Unraveling the Oxygen Secrets of Jupiter's Icy Moon

    13/03/2024 Duration: 26min

    This episode is brought to you with the support of Incogni....the data protection service. To claim your special offfer benefit as a SpaceTime listener visit www.icogni.com/stuartgary or use the coupon code STUARTGARY at checkout. 60% off and a 30-day money back guarantee.The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 32*Juno's Icy Encounter: Oxygen Production on EuropaNASA's Juno spacecraft has made a groundbreaking discovery, directly measuring charged oxygen and hydrogen molecules on Jupiter's icy moon Europa. With findings reported in Nature Astronomy, this revelation provides critical insights into the moon's global subsurface ocean's potential habitability. Juno's flyby uncovers the atmospheric composition of Europa, offering a new understanding of its surface ice and the intriguing possibility that oxygen may fuel life deep within the moon's ocean.*White Dwarf Stars Defying the Cooling ProcessAstronomers are left baffled by a population of white dwarf stars that have mysteriousl

  • S27E31: Cosmic Graveyard: The Enigma of the Universe's Oldest Dead Galaxy

    11/03/2024 Duration: 28min

    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 31*The Enigma of the Universe's Oldest Dead GalaxyIn a universe brimming with stellar birth, astronomers have stumbled upon a galaxy that ceased forming stars over 13 billion years ago. This ancient cosmic graveyard, captured by the Webb Space Telescope, is challenging our understanding of galactic life cycles. The galaxy, which experienced a rapid starburst before falling eerily silent, offers a tantalizing glimpse into the early universe's dynamics. Join us as we unravel the mystery of this prematurely quenched galaxy and its implications for cosmic evolution.*SpaceX's Starship: Gearing Up for the Next Giant LeapSpaceX has eyes set on March 14 for the next monumental test flight of its colossal Starship Super Heavy rocket. With the goal of reaching orbital heights and splashing down in the Indian Ocean, this mission is critica

  • S27E30: Axion Stars: The Unseen Beacons of Dark Matter Mysteries

    08/03/2024 Duration: 42min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 30*Unveiling the Mysteries of Dark Matter with Hypothetical Axion StarsCould the enigmatic axion star hold the key to understanding dark matter? Join us as we delve into the realm of theoretical physics, where scientists are using the expected properties of these never-before-seen stars to potentially pinpoint the elusive components of dark matter. First proposed in 1977, axions are lightweight candidates for dark matter, and their discovery could illuminate both dark energy and the darkest secrets of the cosmos.*Mars: A Barren Aquifer and the Quest for Ancient GroundwaterMars' past as a wet world is etched into its surface, but a new study reveals that ancient Martian aquifers may have been surprisingly dry. Despite evidence of past water flow, researchers suggest that the red planet's southern highlands experienced minimal groundwater recharge. The implications? A vastly different water cycle from Earth's, challenging our search for life

  • S27E29: Unveiling the Eclipse: A Celestial Dance of Shadows and Light

    06/03/2024 Duration: 21min

    This episode of SpaceTime is brought to you by Incogni...the new privacy and data protection specialists who work tirelessly for you. To get your special SpaceTime bonus visit www.incogni.com/stuartgary The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 30*Discovery of a Short-Period Brown Dwarf Raises New QuestionsAstronomers have detected a new short-period brown dwarf, NGTS-28 AB, orbiting a red dwarf star 402 light-years away. This brown dwarf completes an orbit in a mere 30 hours, challenging our understanding of stellar evolution and the fine line between massive planets and the smallest stars. Join us as we delve into the significance of this discovery and what it reveals about the mysterious inhabitants of the galaxy's dark corners.*North America Prepares for a Total Solar Eclipse SpectacleNorth America is set to be plunged into darkness with a total solar eclipse on April 8. As the moon's shadow races across the continent, NASA is seizing the opportunity to study how eclipses affe

  • S27E28: Lunar Lander's Moonlight Slumber: Odysseus in Schomberger Crater

    05/03/2024 Duration: 24min

    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.The Space, Astronomy and Science Podcast. SpaceTime Series 27 Episode 28 *Odysseus lunar lander placed into sleep mode Intuitive Machines will place their Odysseus Nova-C lunar lander into sleep mode in the hope of waiting out the 15 Earth Day long lunar night following its sideways touch down last week near the Lunar south pole. *The Atlantic Ocean could start to disappear in 20 million years. A new study suggests the Atlantic may ‘soon’ enter its declining phase. The findings reported in the journal Geology are based on new computational models which predict that a subduction zone currently below the Strait of Gibraltar will propagate further inside the Atlantic Ocean and contribute to forming an Atlantic subduction system – an Atlantic ring of fire. *Three new moons discovered around Uranus and Neptune Astronomers have discovered three tiny new moons orbiting the ice giants Uranus and Neptune. *

  • S27E27: Cosmic Clues: New Horizons Probes the Depths of the Kuiper Belt

    01/03/2024 Duration: 22min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 27*Hints of an Extended Kuiper Belt: New Horizons' Dusty DiscoveriesNASA's intrepid New Horizons spacecraft, now journeying through the outer reaches of the Kuiper Belt, has detected unexpectedly high levels of cosmic dust. This discovery suggests that the Kuiper Belt, a frigid expanse beyond Neptune, may stretch much farther into space than previously believed. Could this mean the existence of a second belt, or an extension of the one we know? Join us as we unravel the implications of these findings for our understanding of the solar system's distant frontier.*Cygnus Star Forming Region's Gamma Ray Bubble: A Cosmic Particle Accelerator UnveiledAstronomers have spotted a massive ultra-high-energy gamma-ray bubble in the Cygnus star forming region, marking the first time such an origin for cosmic rays has been pinpointed. Using the Large High Altitude Air Shower Observatory (LHAASO), scientists have detected photons with energies surpassing

  • S27E26: The Universe's Luminosity Leader: Unveiling Quasar J0529-4351

    28/02/2024 Duration: 34min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 26*The Brightest and Fastest Growing Black Hole Quasar Ever SeenAstronomers have uncovered a cosmic colossus: the most luminous quasar known, powered by a black hole 17 billion times the mass of the Sun and growing at a staggering rate. The quasar J0529-4351, situated over 12 billion light-years away, is a beacon from the early universe, challenging our understanding of black hole formation and growth.*Supernova 1987A's Hidden Heart: The Neutron Star WithinNASA's Webb Space Telescope has pierced through the dusty veil of Supernova 1987A, revealing emissions indicative of a neutron star's presence. This discovery resolves a long-standing debate and provides a glimpse into the violent stellar processes that forge these dense remnants.*Surviving the Cosmic Rays: Earth's First Life and the Shield of ManganeseHow did life's early building blocks endure Earth's intense radiation? New research suggests that cell-like structures with manganese-bas

  • S27E25: Lunar Lander's Perilous Journey: The Odyssey of Odysseus at the South Pole

    26/02/2024 Duration: 33min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 26*Odysseus' Bumpy Lunar Landing: A Historic Moment with HiccupsIn a mix of triumph and tribulation, the Nova-C Odysseus lander by Intuitive Machines has made a historic touchdown at the Moon's south pole, marking the first lunar landing by a commercially manufactured vehicle. Despite veering off course and experiencing a rough landing that left it on its side, Odysseus' journey represents a significant milestone in private lunar exploration and America's return to the Moon's surface after 52 years.*ERS-2 Satellite's Fiery Farewell: A Controlled Demise Over the PacificESA's ERS-2 satellite, an Earth-monitoring sentinel that outlived its mission by decades, has made a final descent into the North Pacific Ocean. The satellite's uncontrolled re-entry was a carefully managed end, ensuring the two-and-a-half-ton spacecraft reduced the risk of space junk and safely disintegrated in the atmosphere.*Blue Origin's New Glenn Makes Its Debut: A Glimp

  • S27E24: The Milky Way's Rugby Ball: Sagittarius A* Spins SpaceTime

    23/02/2024 Duration: 25min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 24*Warping SpaceTime: The Fast-Spinning Black Hole at the Milky Way's HeartNASA's Chandra X-ray Space Telescope and the Very Large Array have observed the supermassive black hole Sagittarius A* at our galaxy's center, spinning at a velocity that distorts the fabric of space itself. This fascinating discovery offers new insights into the behavior of these cosmic giants and the potential future dynamics of our Milky Way.*Nuclear Fusion Breakthrough: A Step Closer to Unlimited Clean EnergyThe Joint European Torus (JET) has set a new world record for nuclear fusion power output, achieving a significant milestone in the quest for a clean and inexhaustible energy source. This success marks a pivotal moment in the development of fusion as a practical alternative to fossil fuels.*Australia's Arnhem Space Centre Unveils New Assembly Building DesignsEquatorial Launch Australia reveals the final designs for the horizontal vehicle integration facility

  • S27E23: Tectonic Tremors: Unraveling the Secrets of Earth's Pacific Plate

    21/02/2024 Duration: 32min

    This episode of SpaceTime is brought to you with the support of Incogni....the online privacy support you need. Take control today - visit www.incogni.com/stuartgary to take advantage of our special offer, save big and secure your peace of mind.The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 23*Pacific Plate's Undersea Faults: Earth's Crust Pulling ApartA groundbreaking study reveals the Pacific Plate's vast undersea faults, stretching for hundreds of kilometers and pulling it apart. This new insight into the plate tectonics model challenges the idea of rigid oceanic plates, with implications for our understanding of Earth's geological processes.*Odysseus Lander's Lunar Odyssey: Private Moon Landing on the HorizonThe Nova-C Odysseus lander, carrying NASA's experimental payloads, launches aboard a Falcon 9 rocket, marking a pivotal moment in private lunar exploration. With a south pole destination, this mission could pave the way for a new era of sustained human presence on the Moon.*PAC

  • S27E22: Red Planet Hiccup: Perseverance's Dusty Dilemma and the Sherlock Conundrum

    19/02/2024 Duration: 31min

    SpaceTime Series 27 Episode 22*Technical Troubles for NASA's Mars Perseverance RoverNASA's Mars Perseverance rover faces a new challenge as engineers work to stabilize a dust cover on one of the rover's crucial science instrument cameras. The Sherlock instrument's cover remains partially open, hindering its quest to find signs of past microbial life in Jezero Crater. Will the team overcome this cosmic hiccup? Stay tuned.*Was Snowball Earth Triggered by an Asteroid Impact?A new study suggests that Snowball Earth events, which turned our planet into an icy wasteland, could have been sparked by an asteroid impact winter. It's a chilling thought that adds a new layer to the mystery of Earth's ancient climate catastrophes.*Ancient Astronomy and Britain's Standing StonesBritain's prehistoric standing stones have long puzzled archaeologists and astronomers alike. Now, research reveals that these ancient monuments were precisely aligned with the sun and moon, reflecting a deep connection between our ancestors and the

  • S27E20: The Improbable Galaxy: Unveiling the Enigma of Pearl SDG

    14/02/2024 Duration: 24min

    For peace of mind when online and know you are protected get our special 60% off deal on Incogni. Visit www.incogni.com/stuartgary to get the dealThe Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 20*The Enigma of Pearl SDG: A Galaxy That Defies ExpectationsAstronomers are baffled by the discovery of Pearl SDG, a quiescent dwarf galaxy that exists against the odds, isolated and star-formation-free. Detected by NASA's Webb Space Telescope, this galaxy challenges our understanding of galactic evolution and could redefine scientific theories on how galaxies form.*Virgin Galactic's Space Tourism Hits Another SnagVirgin Galactic's space tourism ambitions hit turbulence as an alignment pin issue on its WhiteKnightTwo mothership leads to a temporary grounding of operations. The incident, occurring during the Galactic Six mission, raises questions about the future of commercial space travel.*Odysseus' Lunar Odyssey: NASA's Next Leap to the MoonNASA gears up for the launch of the Odysseus lunar lan

  • S27E19: Saturn's "Death Star" Moon Hides a Watery Surprise

    12/02/2024 Duration: 27min

    The Space, Astronomy, and Science Podcast.SpaceTime Series 27 Episode 19*Saturn’s Moon Mimas Hides a Watery SecretMimas, once known merely as the Death Star look-alike, has revealed a startling secret. New research from the Cassini mission data shows that beneath its icy facade, this diminutive moon harbors a youthful subsurface ocean. Only 400 kilometers wide, Mimas's aquatic interior is geologically green, estimated to be a mere 5 to 15 million years old.*Juno's Daring Dance with the Volcanic IoNASA's Juno spacecraft has just grazed past the fiery surface of Io, Jupiter's most volcanic moon. During its intimate encounter, Juno captured the moon's volcanic fury, with plumes reaching into the darkness of space. This mission seeks to uncover whether Io's volcanic vigor stems from a molten heart—an ocean of magma beneath its crust.*Cold Origins of Organic Compounds in SpaceA groundbreaking study has found that certain organic compounds, like those in asteroids, might have originated in the frigid expanses of in

  • Dark Matter Secrets Revealed with Lopsided Galaxies: S27E18

    09/02/2024 Duration: 37min

    The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 18*Revealing Dark Matter through Lopsided GalaxiesA groundbreaking study unveils how asymmetric galaxies could be the key to unlocking the mysteries of dark matter, the elusive substance that dominates the universe's matter content and binds galaxies together.*Virgin Galactic's 2024 Space Tourism TriumphVirgin Galactic soars into the new year with a successful space tourism flight, reaching the fringes of space and marking a milestone for commercial space travel.*Reflecting on the SunRISE-3 MissionWe revisit the ambitious SunRISE-3 mission, which despite its untimely end, aimed to launch the largest telescope ever on a balloon to peer into the sun's mysterious chromosphere.*Skywatch – Orion's Splendor and Betelgeuse's FateThe February night skies offer a spectacle with the constellation Orion taking center stage, the Horsehead Nebula in view, and the red supergiant Betelgeuse nearing its explosive end as a supernova.Join us as we explore t

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