Home Podcasts SpaceTime with Stuart Gary
SpaceTime with Stuart Gary

SpaceTime with Stuart Gary

Stuart Gary 1000 Episodes Jul 13, 2026

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.

Episodes

Earth's Ancient Impact Revealed: Dating the Oldest Crater and China's Cosmic Quest Jul 13, 2026 1850 SpaceTime Series 29 Episode 83 Earth’s oldest known asteroid impact crater dated in Western Australia Scientists have determined the most precise age yet for the oldest known impact crater on Earth finding it to be some 3.024 billion years old.   A Chinese spacecraft has just reached Earth’s second moon China’s Tianwen-2 spacecraft has arrived at a temporary second moon orbiting Earth -- although
Mars to Earth: China's Ambitious Sample Return Mission and Cosmic Anomalies Jul 10, 2026 1141 SpaceTime Series 29 Episode 82 China’s Mars sample return mission set for 2028 China says its planning to launch a Mars sample return mission in two years bringing back at least 500 grams of Martian regolith by 2031. Is science wrong about the universe The universe should look the same in all directions on the large cosmic scale, but new data based on dark energy observations are suggesting other
How a Passing Star Redirected Comets and Redefined Our Milky Way Map Jul 8, 2026 1415 Sponsor Link:This episode of SpaceTime is brought to you by Inconi. Take back your privacy and data online with Incogni. Check out our special offer: www.incogni.com/stuartgarySpaceTime Series 29 Episode 81How a passing star redirected comets to the inner solar systemA fascinating new study reveals how a passing star, HD 7977, may have altered the trajectory of comets from the Oort Cloud, sending
The Big Freeze: Exploring Asteroid Impacts and the Mysteries of Uranus and Neptune Jul 6, 2026 1527 SpaceTime Series 29 Episode 80 Did ancient asteroid impacts prevent Earth’s continents from forming A new study suggests the barrage of asteroid impacts that slammed into the ancient Earth during the Hadean Eon between 4.6 and four billion years ago may have prevented the formation of the planet’s first continents. Could the ice giants Uranus and Neptune really be magma worlds A new study suggest
Stellar Forensics: How Neutron Stars Forge Heavy Elements Jul 3, 2026 2307 Sponsor Link:This episode of SpaceTime is brought to you with the support of Incogni. If you worry about where your online data is going, you need Incogni. Worry no more. Check out our special SpaceTime offer (with 30 day money back guarantee) by visiting https://www.incogni.com/stuartgarySpaceTime Series 29 Episode 79 How Neutron Stars make heavy elements Physicists have achieved a significant b
Cosmic Dawn: Unveiling the Galaxy MXDFZ 4.4 and the Secrets of Reionization, Comet 3I ATLAS Origins Jul 1, 2026 1263 SpaceTime Series 29 Episode 78 Discovering how the cosmic dark ages ended Astronomers have discovered an early galaxy during the Era of Reionization –when the universe was transformed from the cosmic dark ages – when the cosmos went from being opaque to becoming transparent like it is today. New clues about the origins of interstellar comet 3i Atlas Astronomers using NASA’s Webb space telescope ha
BepiColombo's Mercury Milestone: Navigating to the Solar System's Smallest Planet, Solar Secrets Unveiled Jun 29, 2026 1731 SpaceTime Series 29 Episode 77 BepiColombo mission finally reaches Mercury space After eight years of powered flight towards the planet Mercury, mission managers have finally turned off the BepiColombo spacecraft’s propulsion engines in preparation for planetary orbit insertion. Is our Sun changing A new study claims the Sun has been mysteriously changing over the last forty years. Strange new ty
Supernova Secrets: Uncovering a Stellar Explosion Near the Milky Way's Heart, Quantum Insights into the Big Bang Jun 26, 2026 1462 SpaceTime Series 29 Episode 76 A possible supernova remnant discovered in the galactic centre Astronomers may have discovered a supernova remnant near the supermassive black hole at the centre of our galaxy. A new quantum view of Big Bang A new study could change what science knows about the Big Bang and the earliest moments of cosmic history. Work begins on new Western Australian ground station f
Lunar Mantle Mysteries: Unveiling the South Pole Aiken Basin, Mars' Garnet Evolution Jun 24, 2026 1112 SpaceTime Series 29 Episode 75 The Moon’s oldest and largest impact crater A new study suggests the Moon’s oldest and largest impact crater – the two and a half thousand kilometre wide South Pole-Aitken basin -- could have excavated material so deep it included parts of the lunar mantle. New clues to how the red planet Mars evolved Scientists have discovered the mineral garnet in a Martian meteor
Cosmic Collision Theories: Venus' Unusual Spin and Dark Matter's Enigma Jun 22, 2026 1383 SpaceTime Series 29 Episode 74 Why Venus spins backwards A new study suggests that the strange retrograde spin of the planet Venus is the result of a massive impact event. Could Dark Matter explain what’s happening at the centre of our galaxy A new study has failed to rule out Dark Matter as the source of the so called Galactic Center Excess at the heart of the Milky Way galaxy. Trying to solve a
Ancient Quasar Discovered: Flickering Light from the Dawn of Time, Mars' Life-Hunting Mission Jun 19, 2026 1934 Sponsor Link:This episode of SpaceTime is brought to you by Incogni, your first stop in reclaiming your online privacy.To check out our special offer for SpaceTime listeners, visit www.incogni.com/stuartgarySpaceTime Series 29 Episode 73 The earliest known flickering quasar Astronomers have discovered the earliest known flickering quasar dating back to a time when the universe was just 850 milli
Galactic Evolution Explored: Milky Way's Dance with Dwarfs, Jupiter's Life-Giving Secrets Jun 18, 2026 1588 Sponsor Link:This episode of SpaceTime is brought to you with the support of Incogni. They can’t spam or scam you,if they can’t find you. Get details on our special deal and get your online pivacy back. Visit www.imcogni.com/stuartgarySpaceTime Series 29 Episode 72 Our ever-changing Milky Way Galaxy New observations are showing astronomers how our galaxy the Milky Way is being slowly changed throu

Recommended