SpaceTime: Your Guide to Space & Astronomy
Join host Stuart Gary for weekly explorations into Astronomy, Space, and Science News, featuring insights from 19 years on Australian Public Radio and industry experts.Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.
Stellar Insights: Parker Solar Probe's Mission to Understand Solar Activity

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Parker Solar Probe's Historic Close Approach to the Sun
NASA's Parker Solar Probe has achieved a remarkable milestone, completing its 24th close flyby of the Sun at a record distance of just 6.2 million kilometers from the solar surface. During this encounter, the probe reached speeds of 687,000 kilometers per hour, gathering invaluable data on...
Magnetic Mysteries: Unraveling Earth's Oxygen and Magnetic Field Connection

In this episode of SpaceTime, we delve into fascinating connections between Earth's atmospheric conditions and its magnetic field, alongside intriguing insights into Mercury and the mysteries of the Sun's corona.
Link Between Earth's Oxygen and Magnetic Field
A groundbreaking study published in Science Advances reveals a correlation between the fluctuations of Earth's magnetic field and atmospheric oxygen levels over the last 540 million years. Researchers suggest that processes within the Earth might influence habitability on the surface, highlighting the magnetic field's role in protecting our atmosphere from cosmic rays and solar wind. This correlation raises q...
Cosmic Threads: Discovering the Universe's Hidden Matter in Hot Gas Filaments

In this episode of SpaceTime, we uncover significant advancements in our understanding of the universe and ongoing developments in space exploration.
Astronomers Find the Universe's Missing Matter
A groundbreaking study reveals that the universe's elusive normal matter is concealed within hot intergalactic gas filaments. This discovery, detailed in the journal Astronomy and Astrophysics, identifies a massive filament of gas, ten times the mass of the Milky Way, connecting four galaxy clusters. Utilizing the European Space Agency's XMM-Newton and JAXA's Suzaku X-ray space telescopes, researchers have successfully characterized this filament, providing crucial insights into the c...
Starship Catastrophe: The Latest Test Flight Explosion and Its Implications

In this episode of SpaceTime, we explore some of the most recent and intriguing developments in space exploration and cosmic phenomena.
Starship's Latest Test Flight Ends in Explosion
SpaceX faces another setback as its 10th Starship test flight ended in a massive explosion at the Massey test stand in Boca Chica, Texas. The incident occurred just minutes before a planned static fire test of the upper stage. We discuss the details of the explosion, including early indications of a cryogenic methane leak and the implications for SpaceX's ambitious goals of interplanetary transport.
A...
Cosmic Giants: Unveiling the Universe's Largest Particle Cloud

In this episode of SpaceTime, we uncover groundbreaking discoveries and innovative advancements in the realm of space and planetary science.
Record-Breaking Cosmic Structure Discovered
Astronomers have imaged an unprecedented cosmic structure, a massive cloud of energetic particles surrounding a galaxy cluster that spans nearly 200 million light years. This remarkable finding, presented at the 246th meeting of the American Astronomical Society, challenges existing theories about particle energization, suggesting that giant shock waves and turbulence are at play rather than nearby galaxies. We delve into the implications of this discovery for our understanding of cosmic magnetic f...
Solar Secrets Unveiled - Solar Orbiter's Ground-breaking detail of the Sun's South Pole

In this episode of SpaceTime, we delve into the latest astronomical discoveries and advancements in space exploration.
Solar Orbiter's Unprecedented Views of the Sun's South Pole
For the first time, astronomers have captured detailed observations of the Sun's south pole thanks to the joint NASA/ESA Solar Orbiter spacecraft. This mission provides insights into the Sun's magnetic field dynamics and its role in the solar cycle, including the current solar maximum, which is marked by increased solar activity and spectacular auroras visible at lower latitudes than usual. We discuss the implications of these findings f...
Hidden Depths of the Moon: What Glass Beads Reveal About Its Mantle

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In this episode of SpaceTime, we uncover fascinating new insights into the Moon's hidden mantle, the dynamics of stellar nurseries, and the latest lunar lander mishap.
A New Window into the Moon's Hidden Mantle
Recent studies of unique green g...
Stellar Encounters: A Second Collision of Galaxy Giants

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In this episode of SpaceTime, we explore groundbreaking discoveries and significant events unfolding in our universe.
Galactic Collision Course: Two Massive Galaxy Clusters Set for Round Two
Astronomers have observed a rare cosmic event as two massive galaxy clusters, previously collided, are now on a t...
Stellar Catastrophes: The Most Powerful Explosions Since the Big Bang

In this episode of SpaceTime, we delve into the cosmos to uncover extraordinary cosmic phenomena, groundbreaking Mars exploration, and innovative asteroid detection technology.
The Most Powerful Cosmic Explosions Since the Big Bang
Astronomers have identified a new class of cosmic events known as extreme nuclear transients (ENTs), which are the most powerful explosions observed since the Big Bang. These events occur when supermassive black holes tear apart stars over three times the mass of our sun, releasing energy that surpasses even the brightest supernovae. We explore the implications of these findings, including how these l...
Galactic Collision Uncertainty: New Insights on the Milky Way and Andromeda

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In this episode of SpaceTime, we delve into groundbreaking revelations that challenge our understanding of cosmic events and planetary formation.
New Insights on the Milky Way and Andromeda Collision
Recent studies uti...
MOND vs. Dark Matter: A New Perspective on Cosmic Mysteries

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In this episode of SpaceTime, we uncover exciting new research challenging our understanding of dark matter, reveal hidden treasures beneath the Earth's surface, and explore the potential for life on Titan, Saturn's enigmatic moon.
Modified Newtonian Dynamics: A Dark Matter Alternative
Recent studie...
SpaceX's Starship 9: A Journey Through Triumph and Turmoil

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Unraveling the Hubble Constant: A New Era of Cosmic Understanding

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In this episode of SpaceTime, we tackle some of the universe's most pressing mysteries, including new insights into the Hubble constant, the surprising geology of Venus, and the building blocks of stellar formation.
Resolving the Hubble Constant Debate
New data from the James Webb S...
Gravity's New Dawn: The Quest for a Unified Theory

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In this episode of SpaceTime, we delve into groundbreaking advancements in our understanding of gravity, the intriguing thermal characteristics of the Moon, and the discovery of white dwarf pulsars.
A New Theory of Gravity
Scientists have proposed a revolutionary new theory of gravity th...
Jupiter's Gigantic Past

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In this episode of SpaceTime, we uncover remarkable revelations about Jupiter, lightning-induced gamma rays, and groundbreaking achievements in spaceflight.
Jupiter's Magnificent Past
A new study reveals that Jupiter, the solar system's large...
The Universe's Surprising Expiration Date

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In this episode of SpaceTime, we explore some mind-bending revelations about the universe, including a new estimate for its ultimate fate, the peculiar gravity of the asteroid Bennu, and India's ambitious plans for its first manned spaceflight.
The Universe's Unexpected...
Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries

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This episode of SpaceTime delves into groundbreaking discoveries and theories that reshape our understanding of the universe, including the origins of dark matter, the first visible light auroras on Mars, and new insights into massive X-ray explosions near supermassive black holes.
The Birth of Dark Matter E...
Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years

This episode of SpaceTime explores the recent surge in solar activity, including the largest solar flare of the year and the most intense geomagnetic storm in two decades.Massive Solar Flare and Its Implications
We delve into the details of a powerful X 2.7 class solar flare that erupted from a newly active sunspot region, AR14087. Although the flare was not initially directed towards Earth, its rotation has now positioned it directly in our path. We discuss the mechanics of solar flares, their classification, and the potential impacts of such events on our planet, including disruptions to communication...
Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact

This episode of SpaceTime covers a range of exciting topics, including the delayed launch of Gilmour Space's Eris rocket, groundbreaking discoveries on Venus, and a billion-year-old asteroid impact in Scotland that raises new questions about the evolution of life on Earth.
Eris Rocket Launch Delayed
Gilmour Space has postponed the maiden launch of its Eris orbital rocket due to technical issues encountered during pre-flight checks. The rocket, designed to carry small satellite payloads, will now face a delay of at least three weeks as the company investigates the unexpected deployment of the launch vehicle's nosecone fairings...
Decoding Martian Life Clues, The Odd Behavior of Ophi Stars, and NASA's Artemis 2 Progress

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Insta360 - To ceck out the range of cameras and to claim your bonus, visit store.insta360 and use the coupon code SpaceTime at checkout.This episode of SpaceTime dives deep into the intriguing findings from Mars, the peculiar behavior of a family of stars, and the latest developments in NASA's Artemis program.
Possible Martian Biosignatures
Scientists are captivated by the potential detection of biosignatures in a rock sample named Chayava Falls, collected by NASA's Perseverance rover. This rock, filled with unique chemical signatures, raises...
Unveiling Dark Matter Mysteries, Lunar Gateway's Arrival, and Space Junk Dangers

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Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.This episode of SpaceTime delves into the latest revelations in the cosmos, exploring groundbreaking theories about dark matter and the future of lunar exploration.
New Insights into Dark Matter
Astronomers have made a significant breakthrough in understanding dark matter, revealing a potential new type of less massive dark matter at the cen...
Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate

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Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles

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In this episode of SpaceTime, we unveil a stunning new ultraviolet map of the Milky Way galaxy, thanks to NASA's New Horizons spacecraft. This groundbreaking observation, published in the Astronomical Journal, provides astronomers with unprecedented insights into...
The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate

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Eos: The Nearby Molecular Cloud; Jupiter's Polar Cyclones...

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This episode of SpaceTime explores fascinating new discoveries and urgent updates from the cosmos.First, astronomers have identified a vast molecular gas and dust cloud named Eos, located just 300 light years away from Earth. This remarkable finding, published in the journal Nature Astronomy, marks the first detection of a molecular cloud using far ultraviolet emissions of mol...
Mars' Carbon Cycle Unveiled, SKA Project Progress, and ISS Rush Hour

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In this episode of SpaceTime, we uncover groundbreaking discoveries and updates from the cosmos. First, NASA's Curiosity Rover has revealed evidence of a carbon cycle on Mars, with significant carbon deposits found in Gale Crater. This finding, detailed in the journal Science, brings researchers closer to understanding Mars's potential to support life in its...
Titan's Missing Deltas, Mars' Volcanic Past, and Kelt 9b's Metal Discovery

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In this episode of SpaceTime, we delve into the mysterious absence of river deltas on Titan, Saturn’s largest moon. Despite having rivers of methane and ethane, a new study published in the Journal of Geophysical Research Planets reveals that Titan is largely devoid of these geological features, raising intriguing questions ab...
Solar Storms and Martian Mysteries: The Secrets of Coronal Holes and Ancient Waters

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In this episode of SpaceTime, we explore the intriguing phenomena of coronal holes on the Sun and their significant impact on space weather. A new study published in Scientific Reports reveals how these magnetic win...
Earth's Water Origins Rewritten, Mars' Magnetic Mystery Unveiled

In this episode of SpaceTime, we unveil groundbreaking evidence that challenges previously held theories about the origins of Earth's water. Recent findings published in the journal Icarus indicate that rather than being delivered by asteroids and comets, Earth's water may have formed alongside the planet itself. The study utilizes a unique meteorite known as the enstatite chondrite to reveal a rich source of hydrogen essential for water formation, reshaping our understanding of how life-sustaining conditions developed on Earth.
The Enigmatic Magnetic Field of Mars
Next, we delve into the curious case of Mars's magnetic field, which...
NASA's Lucy Spacecraft Zooms Past Asteroid Donaldjohanson, Neutrino Mass Limit Set

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NASA's Lucy Mission, Neutrino Mass Breakthrough, and Martian Rock Discoveries
In this episode of SpaceTime, we dive into NASA's Lucy spacecraft as it prepares for a close flyby of the asteroid Donald Johanson, l...
Hints of Alien Life Detected, Early Universe Spiral Galaxy Uncovered

Hints of Alien Life, a Galactic Mystery, and Juno's Safe Mode Incident
In this episode of SpaceTime, we explore groundbreaking revelations suggesting the potential for alien life beyond Earth. Using NASA's Webb Space Telescope, astronomers have detected chemical signatures of dimethyl sulfide and dimethyl disulfide in the atmosphere of the exoplanet K2 18 b, a sub-Neptune world located 124 light years away in the habitable zone of its host star. While these findings are incredibly promising, researchers urge caution as they work to confirm these biosignatures through further observations.
A Surprising Spiral Galaxy from the Early Universe
...
Uranus' Rotational Secrets Revealed, ISS Welcomes New Crew

Exploring Uranus's Rotational Secrets, New Crew at the ISS, and the Dangers of Space Travel
In this episode of SpaceTime, we delve into groundbreaking measurements of Uranus's rotational rate, achieved with unprecedented accuracy by NASA's Hubble Space Telescope. This new technique, which analyzed over a decade of observations of the planet's auroras, provides essential insights into Uranus's complex atmosphere and magnetic field, establishing a vital reference point for future planetary studies.
A New Crew Arrives at the International Space Station
Next, we cover the arrival of a new crew aboard the International Space Station, as...
Black Hole Plasma Jets Unraveled, Mars Twisters Captured

SpaceTime Series 28 Episode 46
The Astronomy, Space and Science News Podcast
Unraveling Black Hole Jets, Martian Dust Devils, and Earth's Tectonic Mysteries
In this episode of SpaceTime, we explore groundbreaking research that sheds light on how black holes generate their powerful plasma jets. A new study reveals that these jets are formed when superheated gas experiences a rapid shrinking towards the black hole's event horizon, offering insights into galaxy evolution and the fundamental physics of black holes. We discuss the implications of these findings for understanding cosmic phenomena and the behavior of matter in...
Lunar Water Disparities Explored, Asteroid 2024 YR4's Moonbound Journey

(00:00:00) Lunar Water Disparities Explored, Asteroid 2024 YR4's Moonbound Journey
(00:00:46) Lunar Water Differences
(00:03:47) Asteroid 2024 YR4: From Earth Threat to Lunar Target
(00:06:33) Singing Stars and Galactic History
(00:18:56) The Science Report
(00:25:11) Show Wrap
SpaceTime Series 28 Episode 45
The Astronomy, Space and Science News Podcast
Uncovering Lunar Water Discrepancies, Asteroid 2024 YR4's Moon Targeting, and Stellar Seismology Insights
In this episode of SpaceTime, we delve into the intriguing findings from China's Chang'e 6 sample return mission, which reveal that the Moon's far side is significantly drier than its near side. This discovery...
Uranus' Atmospheric Mysteries Unveiled, Space Junk Crisis Deepens

SpaceTime Series 28 Episode 44
The Astronomy, Space and Science News Podcast
New Discoveries About Uranus, the 2025 Space Environment Robert on Space Junk, and NASA's Starliner Testing Updates
In this episode of SpaceTime, we explore groundbreaking insights into the atmosphere of Uranus, derived from two decades of observations by NASA's Hubble Space Telescope. Uranus, an ice giant with its unique tilt and rotation, reveals complex atmospheric dynamics that scientists are just beginning to understand. We discuss the implications of Hubble's findings, including the distribution of methane and the changing aerosol structures as the planet approaches...
Venus' Volcanic Secrets Revealed, Gaia's Mission Concludes

SpaceTime Series 28 Episode 43
The Astronomy, Space and Science News Podcast
Exploring Venusian Volcanoes, the End of the Gaia Mission, and SpaceX's Historic Polar Orbit Launch
In this episode of SpaceTime, we delve into the geological mysteries of Venus, where new research suggests that convection in its crust may explain the planet's numerous volcanoes. Unlike Earth, which supports life, Venus is a harsh environment with extreme temperatures and a crushing atmosphere. We discuss how this convection could indicate a more active geological landscape than previously understood, shedding light on the planet's evolution.
...
Antimatter's Cosmic Clue, Dark Matter Detection Breakthrough

SpaceTime Series 28 Episode 42
The Astronomy, Space and Science News Podcast
Unraveling Antimatter Mysteries, New Techniques to Detect Dark Matter, and Insights into the Spectrum Rocket Failure
In this episode of SpaceTime, we dive into groundbreaking discoveries at the Large Hadron Collider, where physicists have identified a significant difference in the decay behaviors of ordinary matter and antimatter. This finding could provide vital clues to understanding why our universe is dominated by matter despite the Big Bang's creation of equal amounts of both. We explore the implications of these results and how they align...
Himalayan Sprite Lightning, Mars' Shocking Spherules, Asteroid Belt Mapping

SpaceTime Series 28 Episode 41
The Astronomy, Space and Science News Podcast
Mysterious Red Sprite Lightning, Shocking Spherules on Mars, and a New Geological Map of the Asteroid Belt
In this episode of SpaceTime, we explore the breathtaking phenomenon of red sprite lightning captured over the Himalayas. Chinese astrophotographers documented over 100 of these rare electrical discharges, revealing insights into the complex thunderstorms of the region. We discuss the mechanisms behind these sprites and their implications for understanding upper atmospheric phenomena.
Shocking Discoveries on Mars
Next, we turn our attention to Mars...
Mars' Organic Mystery Unveiled, Parker Solar Probe's Solar Close Encounter

SpaceTime Series 28 Episode 40
The Astronomy, Space and Science News Podcast
Largest Organic Molecule Discovered on Mars, Parker Solar Probe's Close Encounter with the Sun, and New Insights into Earth's Formation
In this episode of SpaceTime, we discuss the remarkable discovery made by NASA's Curiosity Rover, which has identified the largest organic molecules ever found on Mars. These molecules, potentially remnants of fatty acids, suggest that prebiotic chemistry may have progressed further on the Red Planet than previously thought. We delve into the implications of these findings for future Mars sample return missions and...
Lunar Crater Age Revealed, NASA's PUNCH Mission Launch

SpaceTime Series 28 Episode 39
The Astronomy, Space and Science News Podcast
Moon's Oldest Impact Crater Dated, NASA's Punch Mission Launches, and Europe's First Orbital Rocket Countdown
In this episode of SpaceTime, we reveal groundbreaking findings that pinpoint the age of the Moon's oldest and largest impact crater, the Aitken Basin. Recent analysis of lunar regolith collected by China's Chang'e 6 mission indicates that this massive structure was formed approximately 4.25 billion years ago by a colossal asteroid impact. We discuss how this discovery enhances our understanding of the Moon's geological history and its role in the...