SpaceTime

Stuart Gary
SpaceTime
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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--2458531/support.

  1. Earth's Water Origins, Bennu's Salty Secrets, and Marsquakes Unveiled: S28E19

    5 HR. AGO

    Earth's Water Origins, Bennu's Salty Secrets, and Marsquakes Unveiled: S28E19

    SpaceTime Series 28 Episode 19 The Astronomy, Space and Science News Podcast New Insights into Earth's Water, Asteroid Bennu's Composition, and Marsquake Triggers In this episode of SpaceTime, we investigate a groundbreaking study that challenges previous beliefs about when water arrived on Earth. New findings suggest that water may have come in during the later stages of Earth’s formation, providing fresh perspectives on the origins of life on our planet. The study highlights the importance of molybdenum isotopes in understanding the timing of water delivery and the conditions necessary for life. Searles Lake and Asteroid Bennu We also explore the intriguing similarities between Searles Lake in California and the asteroid Bennu, as researchers find that both environments share common water-soluble minerals. The Osiris Rex mission has revealed that Bennu's samples contain evaporite minerals formed under wet conditions, shedding light on the potential for life-sustaining elements in our solar system's past. Meteoroid Impacts and Marsquakes Additionally, a new study indicates that meteoroid impacts may play a more significant role in triggering marsquakes than previously considered. Analyses from NASA's Mars InSight lander reveal that many seismic events on Mars could be linked to impacts, challenging existing assumptions about the planet's seismic activity. 00:00 Space Time Series 28 Episode 19 for broadcast on 12 February 2025 00:49 Water arrival on Earth 06:30 Searles Lake and asteroid Bennu 12:15 Meteoroid impacts and Marsquakes 18:00 Changes in men's height and weight 22:45 Discovery of ancient bird fossils in Antarctica 27:00 The best way to boil an egg 30:15 AI and national security concerns www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Geochemistry and Cosmochemistry https://www.elsevier.com/journals/geochemistry-and-cosmochemistry Nature https://www.nature.com Geophysical Research Letters https://agupubs.onlinelibrary.wiley.com/journal/19448007 Biology Letters https://royalsocietypublishing.org/journal/bl Nature Communications https://www.nature.com/ncomms/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    33 min
  2. Asteroid Threats, Dark Matter Discoveries, and Martian Volcanism Unveiled: S28E18

    2 DAYS AGO

    Asteroid Threats, Dark Matter Discoveries, and Martian Volcanism Unveiled: S28E18

    SpaceTime Series 28 Episode 18 The Astronomy, Space and Science News Podcast Asteroid Threat Level Rusty, Dark Matter Experiment, and Martian Lava Rocks In this episode of SpaceTime, we discuss the alarming increase in the threat level of near-Earth asteroid 2024 YR4, now assessed at a 2.3% chance of impacting Earth on December 22, 2032. With astronomers worldwide closely monitoring its trajectory, we explore the potential consequences of an impact from this asteroid, including the possibility of a catastrophic airburst or a significant surface collision. New Dark Matter Experiment in Space We also delve into an ambitious new experiment aimed at uncovering the mysteries of dark matter. Researchers are testing a device that could potentially detect dark matter by measuring tiny signals in a zero-gravity environment. This groundbreaking approach seeks to provide insights into the elusive substance that constitutes approximately 85% of the universe's mass. Insights from Martian Lava Rocks Additionally, we examine findings from NASA's Mars Perseverance Rover, which are shedding light on a critical period in Martian history. The analysis of igneous rocks in Jezero Crater suggests that the Martian crust was formed through widespread volcanism, offering a glimpse into the planet's geological evolution and its implications for understanding the early solar system. 00:00 Space Time Series 28 Episode 18 for broadcast on 10 February 2025 00:49 Increased threat from asteroid 2024 YR4 06:30 New dark matter detection experiment in space 12:15 Martian lava rocks and the history of the Red Planet 18:00 Microplastics accumulation in the human brain 22:45 WHO review on radio wave exposure and cancer 27:00 Genetically modified rice with reduced methane emissions 30:15 Jane Goodall's belief in Sasquatch and its implications www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Journal of Science Advances https://www.science.org/journal/sciadv Nature Medicine https://www.nature.com/nm/ Molecular Plant https://www.cell.com/molecular-plant/home Australian Skeptics https://www.skeptics.com.au Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    20 min
  3. Io's Volcanic Powerhouse, Ceres' Organic Origins, and the Quest for Distant Exoplanets: S28E17

    5 DAYS AGO

    Io's Volcanic Powerhouse, Ceres' Organic Origins, and the Quest for Distant Exoplanets: S28E17

    SpaceTime Series 28 Episode 17 The Astronomy, Space and Science News Podcast Volcanic Activity on Io, Ceres and the Building Blocks of Life, and New Exoplanet Search Technology In this episode of SpaceTime, we explore the astonishing discovery of the largest volcanic hotspot ever observed on Jupiter's moon, Io. NASA's Juno mission reveals a feature that dwarfs Earth's Lake Superior and produces eruptions with six times the energy output of all the world's power plants. This unprecedented volcanic activity is driven by intense gravitational interactions with Jupiter, resulting in a dynamic landscape riddled with approximately 400 volcanoes. The Mystery of Ceres' Organic Compounds We also delve into new findings regarding the dwarf planet Ceres, where scientists have determined that organic deposits on its surface likely did not originate from its interior. Instead, these building blocks of life may have arrived through impacts from meteoroids, raising questions about the origins of life-sustaining compounds in our solar system. Advancements in Exoplanet Detection Technology Additionally, we discuss the latest advancements in technology designed to search for Earth-like exoplanets. The newly developed coronagraph for NASA's Nancy Grace Roman Space Telescope will significantly enhance our ability to directly image distant planets by blocking out starlight, paving the way for future missions aimed at identifying habitable worlds beyond our solar system. 00:00 Space Time Series 28 Episode 17 for broadcast on 7 February 2025 00:49 Discovery of a massive volcanic hotspot on Io 06:30 Insights into organic compounds on Ceres 12:15 New technology for exoplanet detection 18:00 Omega-3 fatty acids and biological aging 22:45 Infants' sense of smell development 27:00 Tasmania's tallest trees documented 30:15 Flat Earth theory and recent Antarctic explorations www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Nature https://www.nature.com Journal of Geophysical Research https://agupubs.onlinelibrary.wiley.com/journal/21699356 Journal of Astrobiology https://www.journals.elsevier.com/astrobiology Australian Journal of Biology Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    23 min
  4. Moon's Hidden Geology, Venus' DaVinci Mission, and Titan's Atmospheric Secrets: S28E16

    FEB 5

    Moon's Hidden Geology, Venus' DaVinci Mission, and Titan's Atmospheric Secrets: S28E16

    SpaceTime Series 28 Episode 16 The Astronomy, Space and Science News Podcast New Discoveries on the Moon, Venus Exploration, and Titan's Atmosphere In this episode of SpaceTime, we delve into a groundbreaking study revealing that the Moon may not be as geologically inactive as previously believed. Observations of small ridges on the lunar far side suggest recent tectonic activity, indicating that the Moon's geological history is more dynamic than once thought. Researchers found that these features, formed within the last 200 million years, could have significant implications for future lunar missions. NASA's Davinci Mission to Venus We also discuss NASA's upcoming Davinci mission, set to explore the mysteries of Venus. This innovative mission will deploy a descent probe into the planet's thick atmosphere, capturing high-resolution images and analyzing its unique geological features, including the ancient Tesserae that may provide insights into Venus's past. Understanding Titan's Atmosphere Additionally, we explore new research on Saturn's moon Titan, which maintains its dense nitrogen-rich atmosphere through chemical reactions occurring deep beneath its surface. The findings suggest that Titan's atmosphere, which features liquid methane rain and a complex organic chemistry, is replenished by internal processes that have puzzled scientists since its discovery. 00:00 Space Time Series 28 Episode 16 for broadcast on 5 February 2025 00:49 New findings on the geological activity of the Moon 06:30 Overview of NASA's Davinci mission to Venus 12:15 How Titan maintains its atmosphere 18:00 Increase in temperature-related deaths in Europe 22:45 Discovery of magma chambers in dormant volcanoes 27:00 Creation of bipaternal mice using stem cell engineering 30:15 Overview of Deepseek AI chatbot www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Planetary Science Journal https://www.elsevier.com/journals/planetary-science-journal Geochemistry, Geophysics, Geosystems https://agupubs.onlinelibrary.wiley.com/journal/15252027 Nature Medicine https://www.nature.com/nm/ Nature Geoscience https://www.nature.com/ngeo/ Cell Stem Cell https://www.cell.com/cell-stem-cell/home TechAdvice Life https://www.techadvice.life/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    24 min
  5. Bennu's Building Blocks of Life, Asteroid YR4's Threat, and Lunar Dome Mysteries: S28E15

    FEB 3

    Bennu's Building Blocks of Life, Asteroid YR4's Threat, and Lunar Dome Mysteries: S28E15

    SpaceTime Series 28 Episode 15 The Astronomy, Space and Science News Podcast Building Blocks of Life on Asteroid Bennu, New Asteroid Threat, and Lunar Dome Mission In this episode of SpaceTime, we uncover groundbreaking discoveries from the asteroid Bennu, where scientists have detected the molecular building blocks of life in samples returned by NASA's Osiris Rex spacecraft. These findings indicate a rich history of salt water on Bennu, suggesting that the essential conditions for life may have been widespread throughout the early solar system. The analysis reveals 14 amino acids and five nucleobases, hinting at the potential for life beyond Earth. A New Asteroid Threat to Earth We also discuss the newly identified asteroid 2024 YR4, which poses a significant risk with a 1 in 83 chance of impact on December 22, 2032. This near-Earth object, measuring between 40 and 100 meters wide, has astronomers concerned due to its potential for causing a powerful airburst explosion or even a surface impact. Investigating Mysterious Lunar Domes Additionally, NASA is gearing up for a mission to explore the enigmatic Gruthusen domes on the Moon, as part of the Lunar Vice mission by Firefly Aerospace. This mission aims to unravel the origins of these dome-like structures and assess the Moon's volcanic history, providing insights into its evolution and potential resources for future exploration. 00:00 Space Time Series 28 Episode 15 for broadcast on 3 February 2025 00:49 Discovery of building blocks of life in Bennu samples 06:15 New asteroid threat 2024 YR4 12:30 NASA's Lunar Vice mission to study lunar domes 18:00 CIA assessment on COVID-19 origins 22:45 Elderberry juice and metabolic health 27:00 Feathered dinosaur tail preserved in amber 30:15 Link between UFO sightings and economic conditions www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Nature https://www.nature.com Nature Astronomy https://www.nature.com/natureastronomy/ Current Biology https://www.cell.com/current-biology/home Journal of Nutrients https://www.mdpi.com/journal/nutrients Australian Skeptics https://www.skeptics.com.au Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    29 min
  6. Moon Rock Asteroid Discovery, Lunar Landers Launch, and Trump's Martian Ambitions: S28E14

    JAN 31

    Moon Rock Asteroid Discovery, Lunar Landers Launch, and Trump's Martian Ambitions: S28E14

    SpaceTime Series 28 Episode 14 The Astronomy, Space and Science News Podcast Asteroid from the Moon, Lunar Landers, and Trump’s Mars Ambitions In this episode of SpaceTime, we explore the intriguing discovery of a small asteroid, designated 2024 PT5, which is believed to be a fragment of the Moon ejected into space by a historic impact. This 10-meter wide near-Earth object offers new insights into both asteroid and lunar science, as researchers confirm its composition aligns closely with lunar rock samples. Two Lunar Landers Launch for the Moon SpaceX successfully launched two lunar landers, Firefly Aerospace's Blue Ghost and ispace's Resilience, as part of NASA's Commercial Lunar Payload Services program. These missions aim to deliver critical hardware to the Moon in preparation for a sustainable human presence under the Artemis program. Blue Ghost will conduct a variety of scientific experiments, including lunar subsurface drilling and thermal measurements, while Resilience will deploy a forward robotic micro rover to explore the lunar surface. Trump's Vision for Mars In a bold statement during his inauguration, US President Donald Trump pledged to plant the Stars and Stripes on Mars, reaffirming America’s commitment to space exploration. This ambitious goal aligns with SpaceX's plans to colonize the Red Planet, as both the US and China ramp up efforts for lunar and Martian exploration. 00:00 Space Time Series 28 Episode 14 for broadcast on 31 January 2025 00:49 Discovery of asteroid 2024 PT5 as a lunar fragment 06:30 Launch of Blue Ghost and Resilience lunar landers 12:15 President Trump's pledge to plant the flag on Mars 18:00 Risks associated with glucagon-like peptide 1 receptor agonists 22:45 New methods for zero carbon dioxide ammonia production 27:00 Discovery of the world’s oldest three-dimensional map 30:15 Concerns over unverified academic titles www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov SpaceX https://www.spacex.com Astrophysical Journal Letters https://iopscience.iop.org/journal/2041-8205 Nature Medicine https://www.nature.com/nm/ Oxford Journal of Archaeology https://academic.oup.com/ojl Australian Skeptics https://www.skeptics.com.au Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    40 min
  7. Unraveling Mars' Ancient Water History, Moon's Ejected Origins, and the Quest for Lunar Habitats: S28E13

    JAN 29

    Unraveling Mars' Ancient Water History, Moon's Ejected Origins, and the Quest for Lunar Habitats: S28E13

    SpaceTime Series 28 Episode 13 Mysteries of Water on Mars and the Origins of Earth's Moon In this episode of SpaceTime, we explore groundbreaking discoveries about the history of water on Mars. New research reveals thousands of mounds on the Martian northern plains, rich in clay minerals, indicating that this area was once submerged under a vast ocean. These findings, reported in Nature Geoscience, suggest that the mounds preserve a complete geological history of water on Mars, making them prime targets for future exploration missions searching for signs of past life. Could the Moon be a Piece of Earth? We also delve into a fascinating study proposing that the Moon could have formed from material ejected from the Earth's mantle rather than from the impact of a Mars-sized body, as previously thought. This new hypothesis, based on isotopic similarities between Earth and Moon samples, offers fresh insights into the origins of our lunar companion and the potential pathways for water to have reached Earth. Establishing a Permanent Presence on the Moon Additionally, we discuss the challenges and innovations required to establish a permanent human presence on the Moon as part of NASA's Artemis program. From 3D printing to robotics and artificial intelligence, experts outline the critical technologies needed to build infrastructure on the lunar surface and the hurdles that must be overcome to make this ambitious goal a reality. 00:00 Space Time Series 28 Episode 13 for broadcast on 29 January 2025 00:49 New evidence of ancient water on Mars 06:15 Could the Moon be a chunk of Earth? 12:30 Challenges of establishing a permanent lunar base 18:00 ADHD diagnosis linked to shorter lifespans 22:45 Catastrophic coral bleaching on the Great Barrier Reef 27:00 Blue rings in trees linked to volcanic eruptions 30:15 Samsung's new AI smartphones www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Nature Geoscience https://www.nature.com/ngeo/ Proceedings of the National Academy of Sciences https://www.pnas.org/ University of Sydney https://www.sydney.edu.au British Journal of Psychiatry https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry Frontiers in Plant Science https://www.frontiersin.org/journals/plant-science TechAdvice https://www.techadvice.life/ Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    21 min
  8. Cosmic Mysteries of Fast Radio Bursts, Marsquakes Unveiled, and the Celestial Show of Comet Atlas: S28E12

    JAN 28

    Cosmic Mysteries of Fast Radio Bursts, Marsquakes Unveiled, and the Celestial Show of Comet Atlas: S28E12

    SpaceTime Series 28 Episode 12 Unveiling the Mysteries of Fast Radio Bursts and Mars' Geology In this episode of SpaceTime, we delve into the enigmatic origins of fast radio bursts (FRBs), those mysterious cosmic phenomena that release immense energy in mere nanoseconds. Recent findings challenge existing theories about their sources, suggesting that some FRBs may originate from regions in ancient, dead galaxies, raising profound questions about the nature of these bursts and their potential as cosmic probes. Is Mars Still Geologically Active? A new study based on data from NASA's InSight lander indicates that Mars may still be geologically active. By analyzing marsquakes, researchers have uncovered evidence suggesting that the southern hemisphere of the Red Planet has a thicker crust and higher elevation than the northern hemisphere, providing insights into its geological history and evolution over billions of years. Celestial Treat for Southern Hemisphere Sky Watchers Sky watchers in the Southern Hemisphere are in for a treat as Comet C/2024 G3 Atlas dazzles with its stunning display following a close encounter with the Sun. The comet's vibrant tails and the alignment of six planets provide a spectacular opportunity for stargazers to explore the night sky. 00:00 Space Time Series 28 Episode 12 for broadcast on 27 January 2025 00:49 Mysterious origins of fast radio bursts 06:30 Evidence of geological activity on Mars 12:15 Comet C/2024 G3 Atlas and planetary alignment 18:00 New anti-clotting drugs for atrial fibrillation patients 22:45 Rare corpse flower blooms in Sydney 27:00 FDA bans controversial red dye number three 30:15 Declining trust in mainstream media www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN New Year deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth a look... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about ✍️ Episode References NASA https://www.nasa.gov Australian National University https://www.anu.edu.au Geophysical Research Letters https://agupubs.onlinelibrary.wiley.com/journal/19447920 Royal Botanical Gardens Sydney https://www.rbgsyd.nsw.gov.au New England Journal of Medicine https://www.nejm.org Gallup Poll https://news.gallup.com Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime--2458531/support.

    31 min

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4.3
out of 5
271 Ratings

About

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--2458531/support.

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