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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 28 Episode 11 Ancient Water on Mars and the Birth of the Universe's Lights Scientists have uncovered two sets of ancient wave ripples on Mars, revealing evidence of long-dried ponds and lakes that once existed on the Red Planet. Discovered by NASA's Curiosity rover, these ripples, formed approximately 3.7 billion years ago, indicat…
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SpaceTime Series 28 Episode 10 Gaia's Sky Scanning Completion and Mid Infrared Flare from Sagittarius A* The European Space Agency's Gaia spacecraft has completed its sky scanning phase, marking a monumental achievement in astronomical missions. Over the past decade, Gaia has transformed our understanding of the Milky Way by mapping the positions a…
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SpaceTime Series 28 Episode 09 Starship's Fiery End and Blue Origin's New Glenn Debut SpaceX's Starship experienced a dramatic explosion during its seventh test flight, marking both success and setback. While the super heavy booster was successfully caught by the launch tower's chopstick arms, the Starship upper stage exploded during ascent. Despit…
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SpaceTime Series 28 Episode 08 Origins of Fast Radio Bursts Unveiled Astronomers have pinpointed the source of fast radio bursts, specifically linking them to magnetars, a type of highly magnetic neutron star. This breakthrough, reported in Nature, was achieved by analysing the scintillation of FRB2022 1022A, indicating its proximity to a magnetar …
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SpaceTime Series 28 Episode 07 Dark Matter's Role in Milky Way's Stellar Streams New research suggests that dark matter may have influenced the formation of the GD-1 stellar stream in the Milky Way. A study in the Astrophysical Journal Letters proposes that a core-collapsing, self-interacting dark matter subhalo could explain the unusual spur and g…
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SpaceTime Series 28 Episode 06 Formation of Pluto-Charon Binary System A new study reveals that the formation of the Pluto-Charon dwarf planet binary system may mirror that of the Earth-Moon system. The research, published in Nature Geoscience, suggests that both systems feature a secondary body significantly large in comparison to the primary, unl…
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SpaceTime Series 28 Episode 05 Volcanic Activity on Mars New research suggests recent volcanic activity on Mars, with eruptions possibly occurring within the last 50,000 years. This discovery, based on satellite observations, highlights a mysterious dark deposit in Elysium Planitia, indicating explosive volcanism. The findings could mean Mars is st…
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SpaceTime Series 28 Episode 04 Challenging the Existence of Dark Energy A groundbreaking study from the University of Canterbury in New Zealand is challenging the long-held belief in dark energy, suggesting that the universe's expansion might not require this enigmatic force. The research proposes the "timescape" model, which accounts for variation…
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SpaceTime Series 28 Episode 03 Parker Solar Probe's Historic Journey NASA's Parker Solar Probe has made history by becoming the fastest man-made object, surviving a record-breaking close approach to the Sun's surface. The probe, travelling at an unprecedented speed of 155,520 kilometres per hour, flew just 6.1 million kilometres above the Sun, prov…
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SpaceTime Series 28 Episode 02 Liquid Water on Mars: A Mirage? A new study casts doubt on the existence of liquid water on Mars, challenging previous assumptions about recurring slope lineae and the potential for brine pools. Researchers argue that the Martian environment's low temperature and pressure make it unlikely for liquid water to exist, ev…
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SpaceTime Series 28 Episode 01 Webb Telescope Confirms Hubble Tension The James Webb Space Telescope has confirmed the Hubble Tension, challenging the current understanding of cosmic theory. New observations reveal that the Universe is expanding faster now than during its early years, suggesting gaps in our understanding of cosmic physics. The stud…
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SpaceTime Series 27 Episode 157 NASA's Parker Solar Probe Touches the Sun NASA's Parker Solar Probe has made history by becoming the first spacecraft to touch the Sun. The probe, weighing 685 kilogrammes, flew within 6.1 million kilometres of the solar surface, achieving unprecedented speeds of over 692 kilometres per hour. This milestone marks a s…
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SpaceTime Series 27 Episode 156 Superflares: A Century-Long Threat? A new study warns of the potential for our Sun to unleash superflares, with the threat estimated at once per century. These massive eruptions could engulf the Earth, challenging our understanding of solar behaviour. Evidence from other sun-like stars suggests that such violent sola…
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