SpaceTime with Stuart Gary
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-with-stuart-gary--2458531/support.
Episodes
May 5, 2026 • 21 mins
SpaceTime Series 29 Episode 54 *The two outer rings of the ice giant Uranus show starkly different origins Astronomers have discovered that two of the planet Uranus’s outer rings have very different compositions and so must have come from different origins. *Africa breaking apart faster than thought A new study claims Africa is much closer to being physically torn apart into two separate continents than previously thought – possib...
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May 4, 2026 • 27 mins
SpaceTime Series 29 Episode 53 *Milky Way's mysterious black hole gas clouds finally explained Astronomers have discovered a massive binary star system near Sagittarius A* the supermassive black hole at the centre of our Milky Way Galaxy.. *Two massive solar flares explode out from the Sun The Sun has just emitted two strong solar flares blasting out into deep space within a day of each other. *NASA’s rovers show the two sides of M...
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SpaceTime Series 29 Episode 52 *Interstellar comet 3i/ATLAS is far more alien than we thought A new study has found that the interstellar comet 3i Atlas must have originated in a much colder star system with lower levels of radiation than our own solar system. *NASA now looking at September to launch its new Roman Space Telescope NASA are now targeting September as the likely launch date for their new Nancy Grace Roman Space Telesc...
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April 29, 2026 • 25 mins
SpaceTime Series 29 Episode 51 *Discovery of organic molecules never before seen on Mars New data has confirmed that NASA’s Mars Curiosity Rover has identified seven organic molecules on the red planet that have never been detected there before. *A spectacular new understanding of cosmic buckyballs Fifteen years after astronomers first discovered buckyballs in space, new observations have now shown how they’re distributed in a she...
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April 28, 2026 • 23 mins
SpaceTime Series 29 Episode 50 *Key ingredients of DNA discovered in the asteroid Ryugu A new study has confirmed that all five fundamental molecules needed to make up the DNA and RNA which underpins life as we know it, have been discovered in samples collected from the asteroid Ryugu. *Discovery of a metal‑rich hot spot tied to ancient Martian lake NASA’s Mars Curiosity rover has discovered the highest concentrations of iron, man...
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April 24, 2026 • 23 mins
SpaceTime Series 29 Episode 49 *Interstellar Comet 3I/ATLAS is changing A new study has discovered that the interstellar comet 3I Atlas appears to be undergoing a change in the composition of the volatile gasses its emitting. *Large craters offering new clues to the origin of the strange asteroid Psyche Scientists believe large impact craters on the surface of the mysterious metallic asteroid 16 Psyche may provide clues about it...
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April 22, 2026 • 25 mins
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SpaceTime Series 29 Episode 48 *Finding that young Sun like stars dim quickly is good news for life A new study has discovered that young Sun like stars settle down and start to dim more quickly than previously thought, potentially benefiting orbiting planets and the prospects of life. *A su...
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SpaceTime Series 29 Episode 48 *Finding that young Sun like stars dim quickly is good news for life A new study has discovered that young Sun like stars settle down and start to dim more quickly than previously thought, potentially benefiting orbiting planets and the prospects of life. *A su...
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April 20, 2026 • 27 mins
SpaceTime Series 29 Episode 47 *Are black holes from before the Big Bang shaping the Universe A new study suggests that ancient black holes from before the big bang may be shaping the universe. The idea is that the cosmos goes through eternal never ending cycles of expanding out from a big bang and then eventually collapsing in a big crunch which triggers another big band and so on. *The bathtub ring hinting at an ancient Martian ...
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April 17, 2026 • 23 mins
SpaceTime Series 29 Episode 46 *Discovery of over eleven thousand new asteroids Preliminary data from the Vera C. Rubin Observatory has led to the discovery of over 11,000 new asteroids. *Confirmation that the Earth was made locally A new study has shown that planet Earth was formed from materials located in the inner solar system rather than stuff from beyond Jupiter. *Virgin Galactic’s new spaceship to be flying before the end o...
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April 15, 2026 • 32 mins
SpaceTime Series 29 Episode 45 *The South Atlantic anomaly is growing – are the planet’s poles about to flip A new study has confirmed that a gigantic weak spot in planet Earth’s protective magnetic field known as the South Atlantic anomaly is growing ever larger. *New study narrows down the mostly likely locations for water on the Moon A new study suggests water likely accumulated on the Moon slowly over billions of years, rather ...
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April 13, 2026 • 38 mins
SpaceTime Series 29 Episode 44
*NASA’s Artemis II returns to Earth after its historic mission to the Moon NASA’s Artemis II mission has returned safely to Earth following its historic journey around the Moon. The four person crew splashed down in the North Pacific Ocean off the San Diego coast ending the ten day record setting flight which saw them travel further from mother Earth than humans have ever ventured before. *Astronomers ...
*NASA’s Artemis II returns to Earth after its historic mission to the Moon NASA’s Artemis II mission has returned safely to Earth following its historic journey around the Moon. The four person crew splashed down in the North Pacific Ocean off the San Diego coast ending the ten day record setting flight which saw them travel further from mother Earth than humans have ever ventured before. *Astronomers ...
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April 9, 2026 • 32 mins
SpaceTime Series 29 Episode 43 *Climate change is slowing Earth's spin at an unprecedented rate A new study has found that climate change is slowing the Earth rotation at an unprecedented rate compared to past 3.6 million years *Magnetic waves discovered deep inside the Sun Scientists have detected large scale magnetic waves moving deep inside the Sun. The discovery reported in the journal Nature Astronomy could help scientists pre...
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April 7, 2026 • 19 mins
SpaceTime Series 29 Episode 42 *NASA looking at nine possible landing sites for man’s return to the Moon NASA have narrowed down their list of possible landing sites for their return of humans to the lunar surface. The Artemis IV mission will target one of nine possible landing sites around the lunar south pole. *Saturn's weird magnetic shield A new study has found that Saturn’s magnetosphere – the magnetic bubble surrounding the ...
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April 6, 2026 • 26 mins
SpaceTime Series 29 Episode 41 *Human’s finally flying back to the Moon after a break of over half a century Humans have returned to the Moon for the first time in over half a century. The historic Artemis II mission blasted off from space launch complex 39B at the Kennedy Space Centre in Florida carrying four crew members aboard the Orion spacecraft Integrity on a ten day mission around the Moon and back. *Could gravitational wa...
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April 2, 2026 • 22 mins
SpaceTime Series 29 Episode 40 *Using archaeology to study the history of galaxies like the Milky Way Astronomers have for the first time used what they’re calling galactic archaeology to trace the history of a galaxy beyond our own galaxy the Milky Way. *Europe reconnects with its lost Proba-3 spacecraft The European Space Agency has finally re-established contact with one of the spacecraft in its Proba 3 mission. *Using blue-gree...
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April 1, 2026 • 33 mins
SpaceTime Series 29 Episode 39 *Gateway space station axed in favour of a base on the Moon – Part 2 In the second part of our special report on the pausing of construction on the Lunar Gateway space station project, we’ll detail the plans to build a permanent base at the Moon’s south pole. The seven year 20 billion dollar project will see more than thirty spacecraft sent to the Moon to deploy rovers, equipment, habitat modules and ...
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March 30, 2026 • 33 mins
SpaceTime Series 29 Episode 38 *Gateway space station axed in favour of a base on the Moon – Part 1 In this special report, we’ll look at NASA’s decision to pause construction of the Lunar Gateway space station project in favour of accelerating plans to build a permanent base at the Moon’s south pole. Forget everything you’ve heard until now! NASA is shifting focus totally on a new endeavour named Ignition which is designed to achi...
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March 26, 2026 • 24 mins
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SpaceTime Series 29 Episode 37 *Solving one of the mysteries of the Small Magellanic Cloud Astronomers may have finally solved one of the many mysteries of the Small Magellanic Cloud – a satellit...
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SpaceTime Series 29 Episode 37 *Solving one of the mysteries of the Small Magellanic Cloud Astronomers may have finally solved one of the many mysteries of the Small Magellanic Cloud – a satellit...
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March 25, 2026 • 21 mins
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SpaceTime Series 29 Episode 36 *How to tell gas giants from brown dwarfs A new study has found that giant planets spin faster than their cosmic brown dwarfs lookalikes. *A nuclear power station on t...
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SpaceTime Series 29 Episode 36 *How to tell gas giants from brown dwarfs A new study has found that giant planets spin faster than their cosmic brown dwarfs lookalikes. *A nuclear power station on t...
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March 23, 2026 • 33 mins
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SpaceTime Series 29 Episode 35 *The black hole merger that sent ripples through spacetime Scientists have detected the merger of a pair of stellar mass black holes which was quickly followed seconds ...
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SpaceTime Series 29 Episode 35 *The black hole merger that sent ripples through spacetime Scientists have detected the merger of a pair of stellar mass black holes which was quickly followed seconds ...
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