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PODCAST

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.

science astronomy

All Episodes

33:47

Stellar Success: SpaceX's Starship Soars and Mars'...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/01

In this episode of SpaceTime, we delve into thrilling advancements in space exploration, including a remarkable test flight of SpaceX's Starship, groundbreaking insights into Mars, and a classified mission from the United States Space Force.Starship's Spectacular Test FlightAfter overcoming numerous challenges, SpaceX's Starship has successfully completed its 10th test flight, launching from Texas and splashing down in the Indian Ocean. This flight demonstrated the rocket's capabilities, including a

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18:38

Rogue Worlds and Solar Power

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/29

This episode is brought to you by the support of Insta360 - the leaders and innovators in portable 360 Photography. And they have just released the all new UltraGo...the take anywhere camera. Get all the details by visiting store.insta360.com and use the promo code SPACETIME at checkout for our special listener offer. In this episode of SpaceTime, we explore groundbreaking discoveries and developments in the realm of astrophysics and space exploration.Rogue Planets and Their PotentialA fascinating

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20:45

Cosmic Horror: The Discovery of a Wandering Black...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/27

This episode of SpaceTime is brought to you by Insta360's newest camera, the GoUltra. To get more details on this go anywhere camera, visit store.insta360.com and for our special offer use the code SPACETIME at checkout.In this episode of SpaceTime, we uncover the mysteries lurking in the cosmos, from a rogue supermassive black hole to a meteorite crash in Georgia, and the origins of asteroids Bennu and Ryugu.An Invisible Monster in the CosmosAstronomers have made a chilling discovery of a

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27:38

Cosmic Encounters: Asteroids, Moons, and the Milky...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/25

This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GoUltra. For a special offer, visit store.insta360.com and use the promo code SPACETIME at checkout.In this episode of SpaceTime, we explore thrilling recent discoveries and events in the cosmos, including close encounters with asteroids, a newly discovered moon around Uranus, and the cosmic dance of dwarf galaxies.Earth Dodges Two Asteroid Near MissesPlanet Earth has

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19:58

The Comet That Cooled the Earth - Unpacking the...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/22

In this episode of SpaceTime, we delve into intriguing new research that challenges our understanding of Earth's climatic history, the discovery of a rare astronomical phenomenon, and China's advancements in lunar exploration.Did a Comet Trigger the Younger Dryas Cool Off?A groundbreaking study has emerged suggesting that a massive comet may have instigated Earth's Younger Dryas cool off event, traditionally attributed to glacial meltwater. Analysis of ocean sediments published in the journal PLOS

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22:33

Comet 3I Atlas - The Interstellar Voyager Unveiled

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/20

In this episode of SpaceTime, we explore the latest revelations from the cosmos, featuring the intriguing interstellar comet 3I Atlas, a groundbreaking theory about our place in the universe, and the safe return of SpaceX Crew 10.The Enigmatic Comet 3I AtlasAstronomers utilizing NASA's Hubble Space Telescope have captured the sharpest images yet of the interstellar comet 3I Atlas, revealing a solid icy nucleus estimated to measure between 320 meters and 5.6 kilometers in diameter. This comet,

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24:41

The Cosmic Horseshoe - Unraveling the Universe's...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/18

In this episode of SpaceTime, we uncover the latest astronomical marvels and pressing concerns in space science.The Cosmic Horseshoe: A Supermassive DiscoveryAstronomers have potentially identified the most massive supermassive black hole ever discovered, dubbed the Cosmic Horseshoe, which is estimated to be around 36 billion times the mass of our Sun. Located approximately 5 billion light years away, this colossal black hole distorts space-time and creates a stunning Einstein ring effect by

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17:54

NISAR Launch: Unveiling Earth's Secrets Through Radar

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/14

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

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31:57

Planetary Demise - Tracking the Death Spiral of TOI...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/13

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

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20:57

Cosmic Monsters and Martian Rivers

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/11

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

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21:41

Martian Glaciers Revealed: Unveiling Water Ice and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/08

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

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27:16

Galactic Secrets Uncovered: The Milky Way's Orphan...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/06

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

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24:11

ERIS 1: Australia's Orbital Rocket Launch Attempt and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/04

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,

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29:30

Martian Clay Chronicles: Uncovering Life's Potential

SpaceTime: Your Guide to Space & Astronomy ·

2025/08/01

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

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24:07

Dark Energy Unveiled: New Insights from Supernovae,...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/30

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,

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21:25

Stellar Mysteries: Unravelling Betelgeuse's Companion...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/29

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

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23:01

Celestial Discoveries: The Oldest Comet, Pulsar...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/25

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

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23:15

Earth's Spin Shift: Human Impact, New Worlds Beyond...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/23

This episode of SpaceTime is brought to you with the support of Incognai - when your online privacy matters, Incogni's the service you need. Check out our special discount deal by visiting www.incogni.com/stuartgaryIn this episode of SpaceTime, we delve into groundbreaking discoveries that reveal the impact of human activity on Earth, explore a new celestial body beyond Pluto, and prepare for Japan's upcoming Martian moon mission.Human Development and Earth's Polar ShiftA recent study published in

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27:54

Cosmic Origins: Cracking the Matter-Antimatter...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/21

In this episode of SpaceTime, we tackle some of the most profound questions in science, including the mystery of why the universe exists, the potential for liquid water on Mars, and the birth of a new solar system.Unraveling the Mystery of the UniverseScientists have made significant strides in understanding the fundamental differences between matter and antimatter, a question that has puzzled humanity since the dawn of physics. The LHCB collaboration at CERN has provided compelling evidence of a

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23:34

Dark Dwarfs and Lunar Insights: The Youngest...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/18

In this episode of SpaceTime, we explore the latest discoveries in lunar geology, the intriguing concept of dark dwarves, and the stunning features of the Carina Nebula.The Youngest Basaltic Lunar MeteoriteScientists have uncovered a 2.35 billion-year-old lunar meteorite, Northwest Africa 16286, which fills a significant gap in our understanding of the Moon's volcanic history. This meteorite, distinct in its chemical profile, suggests that volcanic activity on the Moon persisted longer than

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1,215 results

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