Spacetime With Stuart Gary

Informações:

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

  • S27E72: Dual Moons of Dinkinesh and Saturn’s Hidden Ocean

    14/06/2024 Duration: 32min

    Join us for SpaceTime Series 27 Episode 72, where we uncover the latest cosmic discoveries and scientific advancements.First, astronomers have discovered that a tiny moonlet orbiting the main belt asteroid Dinkinesh is actually two little moons melded together. Known as contact binaries, these moonlets could provide fresh insights into the complex processes behind planetary formation and evolution. We delve into the details of this fascinating discovery made by NASA's Lucy spacecraft.Next, we discuss the possibility of an underground ocean on Saturn's moon Mimas. Scientists speculate that as Mimas's orbital eccentricity decreased, its icy shell may have melted and thinned, leading to the formation of a subsurface ocean. This finding could have significant implications for our understanding of the Saturnian system.Finally, we highlight NASA's launch of its second pre-fire satellite into orbit aboard Rocket Lab's Electron rocket. These satellites are designed to study how much heat the Arctic and Antarctic are

  • S27E71: Winding Back Hubble, Starliner's Historic Crew Launch, and OSIRIS Apex's Solar Feat

    12/06/2024 Duration: 31min

    Join us for SpaceTime Series 27 Episode 71, where we delve into the latest cosmic events and technological advancements reshaping our understanding of the universe.First, we discuss NASA's announcement that the Hubble Space Telescope will begin winding back its science programme due to ongoing issues with its gyroscopes. This decision marks a significant transition for the historic observatory, which has revolutionised astronomical discovery since its launch in 1990.Next, we cover the long-awaited launch of Boeing's Starliner, which has finally taken a crew to the International Space Station. This milestone paves the way for Starliner to join SpaceX's Dragon in transporting crews to the orbiting outpost under NASA's commercial crew programme.Finally, we highlight NASA's OSIRIS Apex spacecraft's survival after a close encounter with the sun. This mission is essential for its upcoming rendezvous with the asteroid Apophis in 2029.Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook.

  • S27E70: SpaceX's Mega Rocket Soars and China's Historic Lunar Mission

    10/06/2024 Duration: 45min

    Join us for SpaceTime Series 27 Episode 70, where we delve into the latest cosmic events and groundbreaking discoveries shaping our understanding of the universe.First, we explore SpaceX's Starship, the world's largest and most powerful rocket, which has successfully completed its fourth test flight. This historic mission is a significant step towards developing a colonial transport ship capable of carrying 100 people or 150 tonnes of supplies to the moon, Mars, and beyond. We dive into the details of the launch, the hot staging manoeuvre, and the successful splashdown.Next, we discuss China's latest lunar lander, which has successfully touched down on the far side of the moon. This mission aims to collect samples from the lunar South Pole's Aitken basin, providing valuable insights into the moon's formation and evolution.Finally, we highlight the arrival of three new Australian-built satellites in Japan, destined for launch to the International Space Station. These satellites are part of Curtin University's

  • S27E69: Webb's Record-Breaking Galaxy Discovery and the Hunt for New Worlds

    07/06/2024 Duration: 24min

    Join us for SpaceTime Series 27 Episode 69, where we uncover the latest cosmic revelations and scientific advancements.First, we delve into a groundbreaking discovery by the Webb Space Telescope, which has identified the most distant galaxy ever observed. Located a staggering 290 million years after the Big Bang, this galaxy offers unprecedented insights into the universe's infancy and the formation of its earliest stars and galaxies. We explore the methods and implications of this discovery, including the galaxy's surprising brightness and the presence of dust and ionized gas.Next, we discuss the announcement of a massive new collection of exoplanet discoveries. NASA's Transiting Exoplanet Survey Satellite (TESS) has confirmed 120 new exoplanets and identified six new candidates, bringing the total number of known exoplanets to over 6000. These findings offer a rich database for studying planetary properties and environments, particularly those that may harbor life.Finally, we highlight new X-ray observation

  • S27E68: Unveiling Venus: New Volcanic Activity Discovered

    05/06/2024 Duration: 33min

    Join us for SpaceTime Series 27 Episode 68, where we explore the latest cosmic discoveries and technological advancements shaping our understanding of the universe.First, we uncover new evidence suggesting that Venus is volcanically active. By analysing data from NASA's Magellan radar, scientists have identified two volcanoes on Venus that erupted in the early 1990s. This discovery adds to the growing body of evidence that Venus may be far more volcanically active than previously thought.Next, we discuss the discovery of a new kind of volcanic eruption on Earth. Researchers have identified a unique eruption mechanism at Hawaii's Kilauea volcano, describing it as a "stomp rocket" eruption driven by sudden pressure increases as the ground collapses.Finally, we look forward to the maiden flight of the European Space Agency's new Ariane 6 rocket, now slated for next month. This launch marks a significant milestone in Europe's space exploration capabilities.00:00 This is spacetime series 27, episode 68 for broadca

  • S27E67: Solar Superstorms and the Quest to Mars: SpaceX's Starship Prepares

    03/06/2024 Duration: 35min

    Join us for SpaceTime Series 27 Episode 67, where we delve into the latest cosmic events and groundbreaking discoveries shaping our understanding of the universe.First, we discuss the return of last month's powerful solar storms. The active sunspot region AR 364, now renumbered as AR 3697, has reappeared, bringing with it more geomagnetic storms and spectacular solar flares. We explore the intricate dynamics of solar flares and coronal mass ejections, and their profound impacts on Earth's technology and atmospheric phenomena.Next, we look forward to the upcoming test flight of the world's largest and most powerful rocket, SpaceX's Starship, scheduled for June 5. This mission is crucial for NASA's Artemis III plans to return humans to the lunar surface by 2026. We delve into the details of the mission and the technological advancements that make Starship a cornerstone for future space exploration.Finally, we uncover archaeological evidence proving that ancient Britons constructed standing stone monuments with

  • S27E66: BepiColombo's Glitch: Navigating Challenges on the Road to Mercury

    31/05/2024 Duration: 42min

    Join us for SpaceTime Series 27 Episode 66, where we delve into the latest cosmic discoveries and technological challenges shaping our understanding of the universe.First, we explore a glitch aboard the BepiColombo spacecraft bound for Mercury. The joint ESA-JAXA mission faced a sudden issue with its thrusters, impacting its journey towards the innermost planet. Despite the setback, mission control has restored 90% of the spacecraft's thrust capabilities, ensuring BepiColombo's arrival at Mercury for its next gravity assist.Next, we turn our attention to Venus, where BepiColombo's fleeting visit has unveiled surprising insights into the planet's atmosphere. Observations reveal that carbon and oxygen ions are escaping Venus's upper layers at speeds sufficient to overcome the planet's gravity, offering new clues about atmospheric loss mechanisms.Finally, we discuss new evidence explaining the mysterious phenomenon of stars that suddenly vanish without the usual supernova explosion. This complete stellar collaps

  • S27E65: Europa's Secrets: Juno's Stunning New Discoveries

    29/05/2024 Duration: 29min

    Join us for SpaceTime Series 27 Episode 65, where we uncover the latest cosmic revelations and scientific advancements.First, we delve into the intriguing new features discovered in high-resolution images of Jupiter's icy moon Europa. Captured by NASA's Juno spacecraft, these images reveal signs of plume activity and ice shell disruption, providing clues about the moon's subsurface ocean and its potential to support life.Next, we explore a groundbreaking model explaining the formation of free-floating planets. Recent findings suggest that gravitational perturbations in dense star clusters could eject giant planets, leading them to orbit each other as they drift through interstellar space.Finally, we report on NASA's Perseverance rover, which has collected its 24th rock sample on Mars. This new sample, rich in carbonate and silica, holds promise for understanding the Red Planet's ancient habitability and potential signs of past life.00:00 This is SpaceTime Series 27, Episode 65, for broadcast on 29 May 202400:

  • S27E64: Solar Storms and Sunspots: New Insights into Our Star's Activity

    27/05/2024 Duration: 28min

    Join us for SpaceTime Series 27 Episode 64, where we delve into the latest cosmic discoveries and technological advancements shaping our understanding of the universe.First, we explore new research uncovering the origins of sunspots and their formation closer to the Sun's surface than previously thought. Scientists are now examining the complex interactions of magnetic fields and plasma within the Sun, providing fresh insights into the solar dynamo that drives these phenomena.Next, we turn our attention to Mars, as NASA and ESA announce a groundbreaking joint mission set to launch in 2028. This mission will utilise the ExoMars Rosalind Franklin rover, equipped with advanced instruments to drill deep beneath the Martian surface in search of signs of life, potentially rewriting our understanding of the Red Planet's habitability.Finally, we discuss innovative solutions in the battle against space junk. From hunter-killer satellites equipped with plasma guns to ground-based laser systems, scientists are developin

  • S27E63: Galactic Archaeology: Unearthing the Milky Way's Earliest Star Clusters

    24/05/2024 Duration: 19min

    Venture into the cosmic depths with SpaceTime Series 27 Episode 63, where we unearth some of the universe's most ancient stars hiding in the halo of our very own Milky Way. These celestial elders, dubbed SAS stars, are remnants from a time when galaxies were just beginning to coalesce, offering a unique window into the universe's formative years. With their discovery, we edge closer to unraveling the mysteries of galaxy formation and the evolution of the cosmos.Next, we embark on a journey alongside Europe's JUICE spacecraft, now one year into its monumental eight-year voyage to the icy moons of Jupiter. This mission promises to probe the potential habitable environments beneath the moons' frozen crusts and could redefine our search for extraterrestrial life within our solar system.Finally, we witness Russia flexing its spacefaring muscles with the test launch of the new heavy-lift Angara A-5 rocket, aiming to usher in a new era for Russian space exploration and retire the venerable Proton rockets.Join us on

  • S27E62: Earth's New Neighbor: Unveiling Speculus-3b in the Cosmic Backyard

    22/05/2024 Duration: 25min

    Set sail through the cosmic seas with SpaceTime Series 27 Episode 62, as we chart a course to a newly discovered Earth-sized exoplanet orbiting an ultra-cool red dwarf star just a stone's throw away in the galactic neighborhood. The discovery of Speculos-3b, a mere 55 light-years from Earth, stirs intrigue with its eternal days and nights due to likely tidal locking, offering a unique glimpse into the conditions of potentially habitable worlds around the most common stellar inhabitants of our galaxy.We then drift to the Milky Way's outskirts, where a stellar slow lane has been uncovered, challenging assumptions about the mass and dark matter content at the heart of our galactic home. This revelation, derived from Gaia and APOGEE data, suggests a lighter core and less dark matter than previously believed, sending ripples through our understanding of the cosmos.Our voyage continues as we seek to uncover dark matter's elusive influence on stellar streams with the help of the upcoming Vera C. Rubin Observatory. T

  • S27E61: A Solar Spectacle: The X8.7 Flare and Earth's Auroral Symphony

    20/05/2024 Duration: 45min

    Embark on a celestial odyssey with SpaceTime Series 27 Episode 61, where we witness the Sun unleash its most powerful solar flare in nearly two decades, sparking a series of geomagnetic storms that dazzled the skies with extraordinary auroras. The flare, an enormous X8.7 class eruption, marked the pinnacle of a week of solar ferocity, with the Earth enduring a bombardment that produced northern and southern lights visible far beyond their usual latitudes.We then delve into the mysteries of Earth's magnetotail, where NASA's Magnetospheric Multiscale mission has observed unusual substorms that could reshape our understanding of magnetic reconnection and its role in auroral phenomena.Finally, we plunge into the depths of the sea with China's construction of the deep-sea neutrino telescope, TRIDENT, designed to scan the cosmos for neutrinos and unlock the secrets of cosmic rays and the extreme universe.Join us on SpaceTime with Stuart Gary for an exploration of these awe-inspiring events and more, as we traverse

  • S27E60: Unveiling Cosmic Ancestry: The Quest for Population III Stars

    17/05/2024 Duration: 24min

    Journey through the cosmic tapestry with SpaceTime Series 27 Episode 60, where we unearth the echoes of creation by discovering one of the most ancient stars ever seen in another galaxy. This remarkable find could lead us to the elusive first generation of stars that illuminated the universe from darkness to the dawn of clarity. These celestial ancestors, born from the pure elements of the Big Bang, were behemoths that lived fast and died young, leaving behind the building blocks of everything we know.The episode then shifts focus to the Hubble Space Telescope's latest challenge, as it enters safe mode due to a gyroscope glitch. Despite the setback, the iconic observatory's legacy of over three decades of celestial observations remains unshaken as NASA seeks a solution.Next, we launch into the story of Snoopy, a CubeSat deployed from the International Space Station. This six-unit CubeSat embarks on a mission to measure soil moisture and improve agricultural yields by harnessing signals from commercial satelli

  • S27E59: Venus's Vanishing Vapors: The Mystery of a Bone-Dry Planet

    15/05/2024 Duration: 25min

    Embark on an interplanetary journey with SpaceTime Series 27 Episode 59, where we unravel the enigmatic atmosphere of Venus and its waterless environment. Discover the startling new study that suggests Venus lost its water reserves to space, leaving it with a mere fraction of Earth's water despite their similar origins. The episode dives into the complex chemical reactions in Venus's atmosphere that may have turned a once Earth-like planet into a scorching, inhospitable world.Next, we explore the innovative ideas NASA is considering for future lunar logistics, including a magnetic railroad system designed to transport materials across the Moon's surface. This system could revolutionize the way we build and sustain lunar bases, pushing the boundaries of off-world construction and resource utilization.The episode then shifts to the launch of a cutting-edge satellite from the International Space Station. This new eye in the sky aims to provide early warnings of volcanic eruptions by detecting trace gases, a game

  • S27E58: Earth's Fading Shield: The Magnetic Trigger for Life's Diversity

    13/05/2024 Duration: 31min

    Embark on a cosmic expedition with SpaceTime Series 27 Episode 58, where we delve into the mysteries of Earth’s ancient magnetic field and its role in the diversification of life. Join us as we explore a pivotal period over half a billion years ago when a weakening magnetic shield may have paved the way for a dramatic increase in atmospheric oxygen, fostering the rise of complex organisms and setting the stage for human evolution.The episode then accelerates into the realm of supermassive black holes, whose voracious energy output is revealed to be even more influential than once thought. With the help of the Webb Space Telescope, scientists uncover the hidden power of black holes to rapidly quench star formation, effectively turning vibrant galaxies into cosmic graveyards.Finally, we witness the ambitious ascent of China’s Chang'e 6 lunar sample return mission, aiming to harvest the first-ever samples from the far side of the Moon. This daring venture could provide unprecedented insights into the Moon's enig

  • S27E57: Rewriting Cosmic History: The Surprising Growth of Early Galaxies

    10/05/2024 Duration: 35min

    Embark on a celestial odyssey with SpaceTime Series 27 Episode 57, where we unravel the rapid evolution of spiral galaxies.Our cosmic journey begins over 10 billion years ago, as new observations from the Webb Space Telescope reveal the early formation of star bars. These stellar structures, pivotal in the maturation of galaxies, were once thought to emerge in a chaotic young universe. Yet, they now appear to have developed far sooner, indicating a surprisingly orderly galactic evolution.The episode takes an unexpected turn as we delve into the moon's dramatic geological past. Discover how our lunar companion turned itself inside out, reshaping its surface with titanium-rich lava flows. The tale unfolds through a blend of computer simulations and spacecraft observations, shedding light on the moon's enigmatic lopsided geology.As we return to Earth, we witness the changing of the guard aboard China's Tiangong space station. The Shenzhou 17 crew's safe return after six months in orbit paves the way for the Shen

  • S27E56: Saturn's Geyser Moon Mysteries: Tidal Forces and Life's Potential

    08/05/2024 Duration: 23min

    Embark on an interstellar odyssey with SpaceTime Series 27 Episode 56, where we delve into the enigmatic geysers of Saturn's icy moon Enceladus. Unravel the mystery behind these spectacular jets as new research draws parallels with Earth's own San Andreas Fault, suggesting a strike-slip motion akin to our tectonic shifts may be powering these icy eruptions. Discover how this celestial phenomenon could hold the keys to conditions ripe for life beneath Enceladus's frozen crust.The episode then shifts to the dusty red plains of Mars, where NASA scientists brace for the onslaught of solar storms as our Sun approaches its fiery peak. Learn how the absence of a protective magnetic field on Mars presents a unique opportunity to observe the effects of solar radiation on the Martian surface and the implications for future human explorers.In an unexpected twist, we recount the tale of space junk from the International Space Station making an unwelcome visit to a Florida home, reminding us of the ever-present dance betw

  • S27E55: Martian Mysteries: Curiosity Uncovers Clues to Ancient Earth-Like Conditions

    06/05/2024 Duration: 22min

    The Space, Astronomy and Science Podcast. SpaceTime Series 27 Episode 55 *New findings point to an Earth-like environment on ancient Mars A new study using data from NASA’s Mars curiosity rover suggests there was once an Earth-like environment on ancient Mars. *Could purple be the new green in search for alien life A new study suggests that life on other planets with different atmospheres and orbiting different types of stars wouldn’t display Earth like forests of green. *HyImpulse’s SR75 rocket blasts off Germany’s HyImpulse has successfully launched its SR75 sounding rocket on a test flight from Southern Launch’s Koonibba Test Range west of Ceduna on South Australia’s west coast. *The Science Report Being vegetarian is linked to a much slower progression of prostate cancer. A new way of cleaning up per-and poly-Fluro-alkyls – the so called forever chemicals. Why do people prefer their alcoholic beverages cold. Skeptics guide to when psychics say the Russian invasion of Ukraine will end. https://spacetimewit

  • S27E54: Earth's Ancient Shield: Unearthing the Origins of Our Magnetic Field

    03/05/2024 Duration: 24min

    Dive into the cosmic depths with SpaceTime Series 27 Episode 54, where we journey back 3.7 billion years to uncover the oldest evidence of Earth's magnetic field. Join us as we explore pristine ancient rocks from Greenland, revealing a magnetic strength similar to today's, and potentially extending the known age of our planet's protective shield by hundreds of millions of years. This discovery could illuminate the early conditions that fostered life on Earth and the enduring power source behind our magnetic field.The volcanic spectacle continues as we venture to Jupiter's moon Io, unveiling that it has been a hotbed of volcanic activity for its entire 4.57 billion-year existence. The sulfur and chlorine isotopes in Io's atmosphere, analyzed through the Alma radio telescope, attest to a history of relentless eruptions powered by Jupiter's immense gravitational pull.Witness the marvels of the solar corona as we recap the scientific endeavors during the recent solar eclipse that graced North America. From soundi

  • S27E53: Methane on Mars and Io's Infernos: Uncovering Cosmic Mysteries

    01/05/2024 Duration: 23min

    Embark on an interplanetary investigation with SpaceTime Series 27 Episode 53, as we delve into the perplexing presence of methane on Mars. The red planet's mysterious emissions have puzzled scientists for years, with seasonal spikes and unpredictable behavior sparking debates on their origin. Could biological activity be the source, or are geological interactions to blame? Join us as we explore a new hypothesis that suggests Mars' own soil could be sealing and sporadically releasing this elusive gas, adding another layer to the Martian enigma.The episode ascends further into the Jovian system with an up-close encounter of the volcanic moon Io, courtesy of NASA's Juno spacecraft. Marvel at the newly discovered jagged mountain spires and tranquil lava lakes that adorn this tumultuous celestial body, revealing a landscape both violent and serene.But it's not all smooth sailing in the cosmos. We report on the unexpected hiccup faced by NASA's planet-hunting satellite TESS, which has entered safe mode, suspending

page 1 from 50