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19 years on Australian Public Radio (as StarStuff), 8 years of podcasting and counting. We have a lot of content to share with you. Recognized worldwide by our listeners and industry experts as one of the best and most thoroughly researched programs on Astronomy, Space, and Science News. Hosted by Stuart Gary, a veteran radio science reporter, broadcaster and now podcaster. Keep up-to-date and learn something new with every episode. New episodes weekly. Three new episodes are published on Mo ...
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SpaceTime Series 27 Episode 141 *Supermassive Black Hole Consumes Matter at Record Speed Astronomers have discovered a supermassive black hole in the early universe consuming matter at a rate more than 40 times its theoretical limit. This black hole, catalogued as LID568, was observed by the Webb Space Telescope and is providing new insights into t…
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SpaceTime Series 27 Episode 140 *Revisiting the Milky Way's Black Hole Image A new study questions the accuracy of the first-ever image of Sagittarius A, the supermassive black hole at the centre of the Milky Way. Researchers suggest the image may not accurately represent its appearance, proposing a more elongated accretion disc instead of the ring…
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S27E139: Australia's Rocket Renaissance, Cosmic Giants Unveiled, and Martian Ocean Mysteries
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SpaceTime Series 27 Episode 139 *Gilmore Space Cleared for Orbital Launch The Australian Space Agency has granted Gilmore Space the final approval needed to conduct its maiden orbital test flight of the Ares rocket from the Bowen Spaceport in North Queensland. This launch will mark the first orbital test flight of an Australian-made rocket from Aus…
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SpaceTime Series 27 Episode 138 *Discovery of the Outer Solar System's Magnetic Field Scientists have discovered evidence of an ancient magnetic field at the far reaches of our solar system. Research published in AGU Advances, based on 4.6 billion-year-old grain samples from the asteroid Richie, suggests the presence of a weak magnetic field during…
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SpaceTime Series 27 Episode 137 *The Earth: A Giant Slushie? New research reveals that Earth once experienced a "slushy" period following its snowball Earth phase. Published in the Proceedings of the National Academy of Sciences, the study by Virginia Tech scientists suggests that as the planet thawed, it transitioned into a slushy state, marked by…
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S27E136: Magnetars' Mysterious Birth, Voyager's Light Day Journey, and Australia's Satellite Setback
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SpaceTime Series 27 Episode 136 *Discovering the Origins of Magnetars A groundbreaking study reveals that magnetars, highly magnetic neutron stars, are born from stellar mergers rather than single star supernova events. These findings, published in Nature, delve into the origins of fast radio bursts (FRBs), which are high-energy flashes releasing m…
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S27E135: Miranda's Oceanic Mystery, Mars' Green Spotted Rocks, and the 2035 Martian Walk Target
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SpaceTime Series 27 Episode 135 *Could Uranus Moon Miranda Have a Subsurface Ocean? A new study suggests that Uranus' moon Miranda may harbour a liquid water ocean beneath its peculiar jigsaw-like surface. The findings, published in the Planetary Science Journal, challenge existing assumptions about Miranda's history and composition, potentially pl…
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S27E134: Perseverance's Rocky Ascent, Ramses Asteroid Ambition, and Shenzhou's Space Station Arrival
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SpaceTime Series 27 Episode 134 *Perseverance's Uphill Struggle in Jezero Crater NASA's Mars Perseverance Rover faces challenges as it attempts to climb the steep and slippery ridgeline of Jezero Crater. Despite its previous experience with steep inclines, this mission marks the first time the rover has tackled such a challenging combination of slo…
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SpaceTime Series 27 Episode 133 *Earth's Mantle: Two Distinct Domains Revealed Groundbreaking research has unveiled that the Earth's mantle is composed of two distinct and separate types of materials, forming independent African and Pacific domains. This discovery, published in Nature Geoscience, challenges previous assumptions of a chemically unif…
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SpaceTime Series 27 Episode 132 *Could Betelgeuse Actually Be Two Stars? A new study raises the intriguing possibility that the red supergiant Betelgeuse may not be on the brink of supernova, as previously thought. Instead, it might be a binary star system. This revelation, reported in the Astrophysical Journal, suggests that an unseen companion st…
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S27E131: Milky Way's Gamma Ray Mystery, Triple Black Hole Discovery, and NASA's Solar Array Setback
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SpaceTime Series 27 Episode 131 *Ultra High Energy Gamma Rays Detected in the Milky Way's Core Scientists have detected ultra high energy gamma rays emanating from the centre of the Milky Way. This discovery, reported in the Astrophysical Journal Letters, offers a new perspective on the violent phenomena occurring in the galactic core. Using the Hi…
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SpaceTime Series 27 Episode 130 *Epoch of Reionization: New Insights from Webb A groundbreaking study suggests the epoch of reionization, a pivotal era in the universe's early evolution, may have occurred 350 million years earlier than previously believed. Utilising data from the James Webb Space Telescope, astronomers have uncovered a greater abun…
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SpaceTime Series 27 Episode 129 *First Evidence of a Volcanic Splatocone on Mars Scientists have identified what appears to be the first evidence of a volcanic splatter cone on Mars, similar to those found on Earth. This discovery, led by Ian Flynn from the University of Idaho, sheds light on the volcanic processes of the red planet. The presence o…
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