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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

27:16

Red Dots and Black Hole Stars: Unraveling Cosmic Secrets

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/26

In this episode of SpaceTime, we dive into the cosmos to uncover the secrets of the early universe, explore the potential for black hole atmospheres, and examine the intriguing history of habitability on Mars, alongside the launch of a new deep space antenna by the European Space Agency.Mysterious Red Dots in the Early UniverseAstronomers have identified a population of enigmatic red dots in the early universe, potentially representing exotic stellar atmospheres around ancient black holes. These

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23:16

Exoplanets Galore: Celebrating 6,000 Discoveries and...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/24

In this episode of SpaceTime, we celebrate a major milestone in exoplanet discoveries, unravel the enigmatic surface of Venus, and delve into the intriguing tale of interstellar comet 3I ATLAS.Exoplanet Count Surpasses 6,000Astronomers have reached an impressive milestone, confirming their 6,000th exoplanet, a testament to the rapid pace of discoveries since the first detection of an exoplanet in 1995. This milestone not only highlights the evolving understanding of our galaxy but also raises

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35:26

Cosmic Webs and Dark Energy: A New Model for the...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/22

In this episode of SpaceTime, we tackle the mysteries of the cosmos with a new mathematical model of the universe and ponder the age-old question: are we alone in the universe?New Model of the UniverseScientists have unveiled a groundbreaking mathematical model aimed at simplifying our understanding of the universe's evolution over the past 13.8 billion years. This innovative research, based on data from the Dark Energy Spectroscopic Instrument (DESI), offers fresh insights into the cosmic web's

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22:05

Galactic Jets and Black Hole Explosions: Unveiling...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/19

In this episode of SpaceTime, we explore the thrilling prospects of observing exploding black holes, an astonishing stellar jet on the outskirts of the Milky Way, and the meticulous preparations for an Earth observation satellite mission.Exploding Black Holes on the HorizonA groundbreaking study suggests that astronomers may soon witness a black hole explosion, an event theorised to occur once every 100,000 years. Researchers now believe there’s a 90% chance of observing such an explosion within the

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26:01

Earth's Metal Recipe: Tectonics and the...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/17

In this episode of SpaceTime, we uncover the secrets of ancient geology, explore the watery past of an asteroid, and delve into the origins of globular clusters.Supercontinent Breakup RevealedScientists have made significant strides in understanding the breakup of the supercontinent Rodinia, which occurred over 800 million years ago. Research conducted on rare minerals in Outback Australia has revealed how niobium-rich carbonatites rose through fault zones during tectonic rifting, providing insights

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32:40

Mars' Microbial Secrets: Potential Biosignatures...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/16

In this episode of SpaceTime, we dive into groundbreaking discoveries on Mars, the intriguing atmosphere of Makemake, and the awe-inspiring total lunar eclipse that captivated millions.Potential Biosignatures on MarsNASA scientists have revealed that samples collected by the Perseverance rover from Jezero Crater may hold the best chance yet of uncovering evidence of past microbial life. The samples, taken from the rock formation known as Chiava Falls, exhibit characteristics that could indicate

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20:27

Water Origins: Comets, Satellites, and Rocket Fuels

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/12

Sponsor Details: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 SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!In this episode of SpaceTime, we explore fascinating insights into the origins of Earth's water, the launch of Israel's advanced spy satellite, and the development of a

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20:43

Solar Flares, Jupiter's Core, and Life on Exoplanets

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/11

Sponsor Details: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 SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!In this episode of SpaceTime, we delve into some astounding revelations in solar physics and planetary science, including the extreme temperatures of solar flares, new insights into

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23:19

Martian Mysteries: Unearthing Asteroid Remnants

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/08

Sponsor Details: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 SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help support SpaceTime and get a great deal. Win/win!In this episode of SpaceTime, we uncover groundbreaking discoveries in planetary science and solar physics, including the remnants of ancient asteroids on Mars, the recovery of the

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36:01

Cosmic Revelations: The Brightest Fast Radio Burst...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/05

In this episode of SpaceTime, we uncover some of the most exciting discoveries and developments in the universe, including the detection of the brightest fast radio burst ever observed, the New Horizons spacecraft's record-setting hibernation, and an innovative method for generating oxygen in space.Brightest Fast Radio Burst DetectedAstronomers have identified what is being hailed as the brightest fast radio burst (FRB) ever recorded. Catalogued as FRB 2025 0316A, this extraordinary flash of energy

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23:05

Lunar Innovations: Creating Water and Fuel from Moon...

SpaceTime: Your Guide to Space & Astronomy ·

2025/09/03

In this episode of SpaceTime, we explore the latest developments in space exploration, including the European Space Agency's Juice mission, NASA's Psyche spacecraft, and groundbreaking advancements in lunar resource utilization.Juice Mission Back on TrackThe European Space Agency's Jupiter Icy Moons Explorer, Juice, is set for a critical flyby of Venus after overcoming a communications anomaly that temporarily severed contact with Earth. Engineers successfully restored communication with the

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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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1,206 results

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