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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

20:21

Secrets of the Moon: Unraveling Volcanic Activity and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/16

In this episode of SpaceTime, we unlock the secrets of the Moon's far side, explore the Sun's helicity barrier, and discuss the European Space Agency's advancements in orbital launch vehicles.Extended Volcanism on the Moon's Far SideRecent findings reveal that the Moon's far side has experienced extended volcanism for at least 1.4 billion years, with two significant volcanic phases occurring around 4.2 and 2.8 billion years ago. This research, stemming from samples collected by China's Chang' E6

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28:42

Earth's Rapid Spin: The Shortest Day Ever Recorded...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/14

Sponsor DetailsThis episode is brought to you with the support of NordVPN...our official VPN partners. To grab your heavily discounted price, plus special offer with 30-day moneyback guarantee, head over to www.nordvpn.com/stuartgary and use the coupon coded STUARTGARY at checkout.In this episode of SpaceTime, we explore some fascinating recent developments in our understanding of Earth and beyond.Earth Experiences Its Shortest DayOn July 9, Earth recorded one of its shortest days, with a rotation

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24:18

Earth's Ancient Secrets: Unveiling the Oldest Rocks...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/11

This episode of SpaceTime is brought to you by NordVPN....our official VPN partner. To get your special SpaceTime listener offer, simply visit www.nordvpn.com/stuartgary. You'll be glad you did...and remember, our special offer comes with a 30 day money back guarantee...so there's nothing to lose. In this episode of SpaceTime, we delve into groundbreaking research that sheds light on Earth's ancient history, the formation of hot Jupiters, and the enigmatic climate of Mars.Earth's Oldest Rocks

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23:28

Celestial Phenomena: The Largest Oort Cloud Comet and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/09

In this episode of SpaceTime, we explore some of the most exciting recent discoveries in astronomy, including the largest Oort Cloud comet ever observed and remarkable achievements from NASA's Mars Perseverance Rover.Comet C/2014 UN271 Bernardinelli-Bernstein: A Giant from the Oort CloudAstronomers have made a groundbreaking discovery by detecting molecular activity in Comet C/2014 UN271 Bernardinelli-Bernstein, the largest and most distant active comet ever observed. Originating from the Oort

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26:00

Interstellar Discoveries: The Arrival of Comet 3I...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/07

In this episode of SpaceTime, we dive into the latest astronomical discoveries and the implications for future space exploration.New Interstellar Visitor: Comet 3I AtlasAstronomers have identified a new interstellar object, designated 3I Atlas, which is currently traversing our solar system. Discovered by NASA's ATLAS telescope in Chile, this comet is approximately 670 million kilometers away and poses no threat to Earth, as it will pass at a safe distance of 240 million kilometers. With a velocity

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36:27

Martian Volcanoes: Uncovering Jezero Mons and the...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/04

In this episode of SpaceTime, we uncover remarkable insights into Mars, Mercury, and the latest developments in space exploration.Hidden Martian Volcano: Jezero MonsScientists have identified a previously overlooked volcano, Jezero Mons, located on the rim of Jezero Crater, where NASA's Perseverance rover is actively collecting samples. This discovery could provide vital clues about Mars' volcanic history and habitability, suggesting that the region may have supported life due to the interplay of

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20:43

Martian Mysteries: Curiosity's New Discoveries and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/07/02

This e[pisode of SpaceTime is brought to you with the support of NordVPN, SpacTime's official VPN service. And have we got a great offer for you, with a 30 Day Money-Back guarantee! To check out the details vist nordvpn.com/stuartgary or use the coupon code STUARTGARY at checkout.In this episode of SpaceTime, we explore the latest discoveries and research that are reshaping our understanding of Mars and the effects of solar activity on planetary climates.Curiosity Rover's New Martian Rock

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25:24

Stellar Insights: Parker Solar Probe's Mission to...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/30

This episode is brought to you by NordVPN. Get up to 76% off NordVPN, enjoy 4 extra months free, and receive an Amazon gift card—plus a 30-day money-back guarantee. Visit nordvpn.com/stuartgary or use code STUARTGARY at checkout.Parker Solar Probe's Historic Close Approach to the SunNASA'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

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21:40

Magnetic Mysteries: Unraveling Earth's Oxygen and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/27

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 FieldA 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

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21:28

Cosmic Threads: Discovering the Universe's Hidden...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/25

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 MatterA 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

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24:01

Starship Catastrophe: The Latest Test Flight...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/23

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 ExplosionSpaceX 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

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20:41

Cosmic Giants: Unveiling the Universe's Largest...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/20

In this episode of SpaceTime, we uncover groundbreaking discoveries and innovative advancements in the realm of space and planetary science.Record-Breaking Cosmic Structure DiscoveredAstronomers 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,

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29:06

Solar Secrets Unveiled - Solar Orbiter's...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/18

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 PoleFor 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

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27:28

Hidden Depths of the Moon: What Glass Beads Reveal...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/16

Sponsor Details:This episode is brought to you by NordVPN - the official VPN service of SpaceTime. Protect your online privacy with the same service we trust. For a special SpaceTime deal, visit nordvpn.com/stuartgary or use the coupon code Stuart Gary at checkout.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 MantleRecent studies of unique green

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18:40

Stellar Encounters: A Second Collision of Galaxy Giants

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/13

Sponsor Details:This epiosode is broght to you by NordVPN...the official VPN service of SpaceTime. Get online security at a special SpaceTime price. Details at www.nordvpn.com/stuartgaryor use the code STUARTGARY at checkout.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 TwoAstronomers have observed a rare cosmic event as two massive galaxy clusters, previously

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18:52

Stellar Catastrophes: The Most Powerful Explosions...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/11

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 BangAstronomers 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,

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24:08

Galactic Collision Uncertainty: New Insights on the...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/09

Sponsor Details:This episode is brought to you with the support of NordVPN - SpaceTimes official VPN service. When it comes to your online privacy, use the one we use and help support the show. To claim your special SpaceTime bonus deal, visit nordvpn.com/stuartgary or use the coupon code STUARTGARY at checkout.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

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23:58

MOND vs. Dark Matter: A New Perspective on Cosmic...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/06

Sponsor Details:This episode is brought to you with the support of Insta360 - the leaders in 360-degree video technology. To explore their innovative range and claim your special SpaceTime bonus, visit store.insta360.com and use the coupon code SpaceTime at checkout.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

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33:10

SpaceX's Starship 9: A Journey Through Triumph and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/04

Sponsor Details:Incogni: When your data privacy matters, you need Incogni. To get your special SpaceTime deal and bonuses, visit www.incogni.com/stuartgary and let them do all the heavy lifting for youInsta360This episode is brought to you with the support of Insta360 - the innovators in 360-degree camera technology. Capture your adventures with the Insta360 X5, designed for extreme conditions. To claim a free invisible selfie stick with your purchase, visit store.insta360.com and use the promo

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24:56

Unraveling the Hubble Constant: A New Era of Cosmic...

SpaceTime: Your Guide to Space & Astronomy ·

2025/06/02

Sponsor Details:This episode is brought to you with the support of Insta360 - the pioneers in 360-degree video technology. To explore their innovative range and claim your special offer, visit store.insta360.com and use the coupon code SpaceTime at checkout.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

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