Spacetime With Stuart Gary
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 529:41:41
- More information
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
-
S27E65: Europa's Secrets: Juno's Stunning New Discoveries
29/05/2024 Duration: 29minJoin 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: 28minJoin 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: 19minVenture 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: 25minSet 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: 45minEmbark 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: 24minJourney 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: 25minEmbark 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: 31minEmbark 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: 35minEmbark 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: 23minEmbark 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: 22minThe 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: 24minDive 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: 23minEmbark 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
-
S27E52: Cosmic Time Capsules: Unraveling the Origins of Interstellar Stardust
29/04/2024 Duration: 34minDive into the cosmos with SpaceTime Series 27 Episode 52, as we traverse the stellar seas to discover a groundbreaking revelation: stardust from a supernova, harboring secrets from a newly identified type of star. An extraordinary find in an ancient meteorite has led scientists to a hydrogen-burning supernova, a stellar phenomenon only recently recognized by astronomers. This episode sheds light on how a tiny particle, a relic from a star that perished before our solar system's birth, is providing invaluable insights into the cosmos' intricate workings.The voyage of discovery doesn't end there. Rejoice in NASA's triumph as the venerable Voyager 1 spacecraft reestablishes contact after months of silence, sending clear data across the vast expanse from the very edge of interstellar space. The episode also celebrates the successful ascent of New Zealand's Electron rocket, which lofted NASA's innovative solar sail satellite, set to harness the gentle push of sunlight for propulsion.Join us as we delve into these
-
S27E51: Pluto's Heart Unveiled: The Impact that Shaped a Dwarf Planet
26/04/2024 Duration: 24minEmbark on a celestial journey with SpaceTime Series 27 Episode 51, as we unravel the mysteries of Pluto's heart. Scientists, armed with sophisticated computer simulations, have finally pieced together the enigmatic origins of the dwarf planet's heart-shaped feature, Sputnik Planitia. This episode delves into the colossal impact that sculpted Pluto's icy facade, challenging previous assumptions about its internal structure and the existence of a subsurface ocean.The cosmic surprises continue as we delve into the perplexing absence of gamma rays from a recent supernova explosion in the Pinwheel Galaxy. SN 2023 IXF's silent gamma-ray profile has left astronomers scratching their heads, prompting a reevaluation of the role supernovae play in accelerating cosmic rays to near-light speeds.Witness the end of an era with the final launch of a Delta rocket, a titan of the space industry for over six decades. The Delta IV Heavy's last ascent, carrying a classified payload for the National Reconnaissance Office, marks a
-
S27E50: Titan Awaits: NASA's Rotorcraft Readies for Alien Shores
24/04/2024 Duration: 26minVenture into the unknown with SpaceTime Series 27 Episode 50, as we embark on an interplanetary adventure that transcends the boundaries of our earthly skies. NASA confirms its bold mission to dispatch a pioneering rotocopter to the enigmatic Saturnian moon, Titan. The Dragonfly mission is set to soar through Titan's dense atmosphere, exploring its organically rich landscapes in search of prebiotic chemical processes that mirror the early Earth. With a launch date set for July 2028 and a budget of $3.35 billion, Dragonfly promises to revolutionize our understanding of this distant, methane-drenched world.As we bid a heartfelt farewell to the Mars Ingenuity helicopter, we celebrate its unprecedented achievements on the Red Planet. Despite a hard landing ending its aerial escapades, Ingenuity's legacy endures as it transitions to a stationary science platform, continuing to collect invaluable data for future Martian exploration.Amidst escalating global tensions, South Korea asserts its space prowess with the la
-
S27E49: Black Hole Titans: Gaia's Gaze Reveals a New Cosmic Champion
22/04/2024 Duration: 26minPrepare for a cosmic revelation in SpaceTime Series 27 Episode 49, as we journey through the Milky Way to uncover a celestial heavyweight—the most massive stellar black hole ever discovered in our galaxy. Detected by the vigilant eyes of the European Space Agency's Gaia mission, this black hole, known as Gaia BH3, imposes a peculiar wobble on its companion star, betraying its presence. Weighing in at a colossal 33 solar masses and residing a mere 2,000 light-years away in the constellation Aquila, BH3 redefines our understanding of stellar remnants and the mysterious dance of gravity and mass that shapes them.Then, we take a detour through the evolutionary tracks of white dwarf stars, which have long been the cooling embers of the cosmic campfire. Recent observations from Gaia have spotted a group of these stellar corpses defying the natural order, mysteriously ceasing to cool. This perplexing behavior is challenging astronomers to rethink the very nature of these ancient stars, which may not be the reliable
-
S27E48: Cosmic Cartography: Charting Dark Energy's Role in the Universe's Fate
19/04/2024 Duration: 31minEmbark on an astronomical odyssey with SpaceTime Series 27 Episode 48, as we unveil the most detailed view of the expanding universe to date. The first-year data from DESI, the Dark Energy Spectroscopic Instrument survey, is in, and it's changing the cosmic game. This groundbreaking five-year study is mapping the universe in 3D, charting the enigmatic influence of dark energy over time. Will the universe meet a chilling big freeze, or will dark energy's relentless acceleration lead to a catastrophic big rip? With precision better than 1%, DESI's data is painting a complex picture of our cosmic destiny.Then, join us in celebrating a celestial milestone as the Solar Observatory spacecraft SOHO captures its 5000th comet. SOHO's unexpected role as a prolific comet hunter has deepened our understanding of these enigmatic sun-grazers, offering insights into the sun's atmosphere and the large-scale structure of comets.Plus, we follow the Soyuz MS-24 capsule's return to Earth, bringing home a NASA astronaut and the f
-
S27E47: Stellar Nurseries: Unveiling the Origins of Brown Dwarfs and Starbursts
17/04/2024 Duration: 25minPrepare to illuminate the shadowy frontiers of space in SpaceTime Series 27 Episode 47. We begin by shedding light on new findings that reveal brown dwarfs, those celestial enigmas straddling the line between the largest planets and the smallest stars, are far more star-like than we ever imagined. Born from the same intricate dance of gas and dust that gives rise to stars, these failed stars have a story more intertwined with their luminous kin than previously thought. Next, we peer into the future, where the clock is ticking down to an explosive cosmic event. Astronomers eagerly anticipate a nova eruption within a binary star system, set to dazzle the skies sometime before year's end. This stellar spectacle, a cyclical detonation on the surface of a white dwarf, promises to be a beacon in the night, echoing observations that date back over a century.We then voyage to the extreme starburst galaxy M82, a crucible of creation churning out new stars at a rate tenfold that of our own Milky Way. With the James Web
-
S27E46: Stellar Cannibalism: Unraveling the Secrets of Star-Eating Phenomena
15/04/2024 Duration: 24minSpaceTime Series 27 Episode 46: The Cosmic Dance of Neutron Stars and Black HolesJoin us on a thrilling journey through the cosmos in SpaceTime Series 27 Episode 46, where we delve into the mysteries of a possible neutron star-black hole merger detected in gravitational waves. The LIGO-Virgo-KAGRA collaboration may have stumbled upon a cosmic ballet between the densest objects in the universe, offering tantalizing clues about the elusive mass gap and challenging our understanding of stellar evolution.Next, we explore the cannibalistic tendencies of stars as a new study reveals that stars often end up devouring their own planets. This celestial feast, found in roughly 8% of binary star systems examined, raises questions about the stability of planetary orbits and could reshape our knowledge of cosmic dynamics.And as North America was plunged into darkness by a total solar eclipse, scientists seized the opportunity to conduct groundbreaking research. From rockets piercing the upper atmosphere to jets chasing th