エピソード

  • S27E142: Martian Moon Origins, Starship's Sixth Triumph, and Earth's Ore Age Revelation
    2024/11/25
    SpaceTime Series 27 Episode 142*How Mars Got Its MoonsA groundbreaking study suggests that Mars acquired its moons, Phobos and Deimos, after a passing asteroid was torn apart by the planet's gravity. This new hypothesis, based on NASA's supercomputer simulations and published in the journal Icarus, challenges previous theories of their origin, such as capture or major impact. The upcoming Martian Moons Exploration mission by JAXA, with NASA's involvement, aims to further investigate these theories by collecting samples from Phobos.*Starship Test Flight 6SpaceX has successfully completed its sixth test flight of the Starship Mega rocket, overseen by SpaceX CEO Elon Musk and U.S. President-elect Donald Trump. The test included a splashdown of the booster in the Gulf of Mexico and a successful orbital journey of the Starship, which trialled new heat shield materials and descent strategies. This marks the final test for this version of Starship, with an upgraded version expected to fly soon.*Revisiting Earth's Ore DepositsNew research reveals that the largest iron ore deposits in Western Australia's Pilbara are around a billion years younger than previously thought. Using advanced geochronology techniques, scientists have dated these deposits to between 1.1 and 1.4 billion years, reshaping our understanding of Earth's geological history and aiding future exploration efforts.The Science ReportA study suggests that a daily hour-long walk for those over 40 could extend life expectancy by five years. Meanwhile, global plastic waste is projected to double by mid-century, but a combination of policies could reduce it by 90%. Additionally, switching to a vegan diet could lower food costs by 19%, unlike the Mediterranean diet. The Bent Spoon Award was given to the Cancer Council of Western Australia for endorsing pseudoscientific practices like Richie.www.spacetimewithstuartgary.comwww.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 merch. 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.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/supportor visit our Support page for more options and details: https://spacetimewithstuartgary.com/about00:00 New study suggests Mars got its two moons after asteroid was torn apart04:57 SpaceX has undertaken a successful sixth test flight of its Starship Mega rocket08:17 Super heavy booster is attempting an offshore landing off the Gulf coast of Texas10:18 The next milestone is Starship uh, is in terminal guidance14:29 Starship is approaching the peak heating phase of entry19:56 SpaceX's Starship rocket successfully carried its first ever biological payload23:07 A new study finds planet Earth's largest iron ore deposits are younger than previously thought33:14 A new study looked at physical activity and life expectancy35:54 Western Australian Cancer Council endorsed pseudo medical and unscientific treatments38:33 Space Time is available every Monday, Wednesday and Friday through various podcasting platforms✍️ Episode ReferencesIcarus Journal[https://www.journals.elsevier.com/icarus](https://www.journals.elsevier.com/icarus)NASA Ames Research Centre[https://www.nasa.gov/ames](https://www.nasa.gov/ames)Martian Moons Exploration (MMX)[https://mmx.jaxa.jp/en/](https://mmx.jaxa.jp/en/)SpaceX[https://www.spacex.com](https://www.spacex.com)Curtin University[https://www.curtin.edu.au](https://www.curtin.edu.au)Proceedings of the National Academy of Sciences[https://www.pnas.org](https://www.pnas.org)British Journal of Sports Medicine[https://bjsm.bmj.com/](https://bjsm.bmj.com/)Journal of Science[https://www.sciencemag.org/](https://www.sciencemag.org/)Journal of the American Medical Association[https://jamanetwork.com/journals/jama](https://jamanetwork.com/journals/jama)Australian Sceptics[https://www.skeptics.com.au](https://www.skeptics.com.au)
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    40 分
  • S27E141: Black Hole Banquet, Uranus' Magnetic Squeeze, and Earth's Shifting Surface
    2024/11/22
    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 the rapid growth mechanisms of black holes shortly after the Big Bang. The findings challenge existing theories on how these cosmic giants formed so quickly and open new avenues for future research.
    *Uranus' Magnetic Mysteries Unveiled
    New analysis of 38-year-old data from NASA's Voyager 2 spacecraft reveals that a space weather event dramatically compressed Uranus' magnetosphere just before the flyby in 1986. This event provides clues to the planet's unusual magnetic field and suggests that Uranus' moons might be more geologically active than previously thought. The findings are crucial for understanding this enigmatic ice giant and its unique characteristics.
    *New Satellite to Track Earth's Surface Movements
    Scientists are preparing to launch a new satellite, the NASA-ISRO Synthetic Aperture Radar (NISAR), designed to measure ground movement on Earth's surface. Scheduled for launch next year, NISAR will provide detailed data on earthquakes, volcanoes, and landslides, enhancing our ability to prepare for natural disasters. This mission will offer unprecedented insights into the dynamics of our planet's surface.
    The Science Report
    The World Meteorological Organization predicts 2024 to be the hottest year on record, driven by rising greenhouse gas levels. Meanwhile, ultra-processed foods are dominating global diets, linked to numerous chronic diseases. A study of dog breeds reveals that toy dogs have larger brains relative to their body size compared to working dogs. Lastly, a retrospective look at NASA's 1996 tether experiment debunks UFO theories, emphasizing the importance of scientific explanations.
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    00:00 Black hole found to be consuming matter faster than its theoretical limit
    04:37 Space weather event squeezed Uranus magnetosphere before 1986 Voyager 2 flyby
    08:30 Scientists developing a new satellite designed to measure ground movement on the Earth's surface
    13:10 World Meteorological Organization says 2024 will be the hottest year on record
    ✍️ Episode References
    Webb Space Telescope
    https://www.jwst.nasa.gov/
    Chandra X Ray Observatory
    https://chandra.harvard.edu/
    National Science Foundation's National Optical Infrared Astronomy Research Laboratory
    https://www.noirlab.edu/
    NASA's Jet Propulsion Laboratory
    https://www.jpl.nasa.gov/
    Journal of Nature
    https://www.nature.com/
    Voyager 2
    https://voyager.jpl.nasa.gov/
    COP 29 Climate Change Conference
    https://unfccc.int/
    World Meteorological Organization
    https://public.wmo.int/
    International Congress on Obesity
    https://www.worldobesity.org/
    Biological Letters
    https://royalsocietypublishing.org/journal/rsbl
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    21 分
  • S27E140: Sagittarius A* Controversy, Titan's Methane Clues, and Ozone Recovery Insights
    2024/11/20
    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-like structure previously released by the Event Horizon Telescope.
    *Methane in Titan's Crust
    Data from NASA's Cassini spacecraft indicates that Saturn's moon Titan may have a methane-rich crust up to 10 kilometres thick. This insulating layer could explain Titan's shallow impact craters and its methane-rich atmosphere, providing insights into its unique geological and atmospheric dynamics.
    *Updates on Earth's Ozone Hole
    NASA reports that the annual ozone hole over Antarctica was smaller this year, ranking as the seventh smallest since recovery efforts began. The ozone layer is on track to fully recover by 2066, thanks to international agreements curbing ozone-depleting chemicals.
    The Science Report
    Antarctic ice core samples suggest Earth has already surpassed a 1.5°C global temperature rise due to human-induced climate change. A study links outdoor lighting at night to increased Alzheimer's risk for those under 65. LED lights on surfboards could reduce shark attacks by mimicking natural camouflage. Nord's latest survey reveals continued use of weak passwords, with "123456" and "password" among the most common.
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    00:00 New study suggests first ever picture of Milky Way's black hole might not be accurate
    00:47 New study claims first ever images of Sagittarius A may be inaccurate
    03:57 New study suggests Saturn's moon Titan may have an insulating methane crust
    09:12 Scientists say Antarctic ozone layer could fully recover by 2066
    20:04 New study suggests Earth has already passed 1.5 degrees Celsius warming attributable to climate change
    21:24 A new study claims exposure to outdoor lighting at night increases Alzheimer's risk
    25:29 Space Time with Stuart Gary is available on numerous podcast platforms
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    27 分
  • S27E139: Australia's Rocket Renaissance, Cosmic Giants Unveiled, and Martian Ocean Mysteries
    2024/11/18
    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 Australian soil, showcasing a new hybrid propulsion system developed by the company.
    *Discovery of Red Monster Galaxies in the Early Universe
    Astronomers have identified three ultra-massive galaxies, each nearly the size of the Milky Way, that reached their colossal size within the first billion years of the universe's existence. These findings, reported in Nature, challenge existing models of galaxy formation and suggest a more efficient star formation process in the early universe.
    *Signs of an Ancient Martian Ocean
    China's Mars rover, Zhurong, may have found evidence supporting the theory that Mars' northern hemisphere was once covered by a vast ocean. The terrain around Zhurong's landing site includes features that could indicate past water or ice activity, suggesting a Martian ocean existed billions of years ago.
    The Science Robert
    Archaeologists in Israel have uncovered 12,000-year-old pebbles that may be precursors to the wheel, potentially pivotal in the evolution of rotating technologies. Meanwhile, the COP 29 climate summit highlights the ongoing rise in fossil emissions, with China remaining the largest polluter. Additionally, a study finds that frequent snoring in tweens is linked to behavioural issues, and a lack of conceptual clarity may explain beliefs in the paranormal.
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    00:00 This is space Time Series 27 Episode 139 for broadcast on 18 November 2024
    00:46 Australian Space Agency gives final approval for Gilmore Space to launch Ares rocket
    02:31 ERIS is a three stage orbital launch vehicle powered by hybrid rocket engines
    08:49 Gilmore is developing a rocket called ERIS which will go into orbit
    12:42 Gilmore Space Technologies have plans to launch an ERIS satellite from Bowen
    15:39 Three ultra massive galaxies discovered by NASA's Webb Space Telescope
    23:39 Ancient pebbles from Israel may have paved way for wheel invention
    24:42 New study finds teens who frequently snore more likely to have behavioural problems

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    31 分
  • S27E138: Outer Solar Mysteries, Australia's Orbital Leap, and Lunar Suit Innovations
    2024/11/15
    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 the formation of the outer solar system. This field, although weak, could have been instrumental in the formation of the outer planets, including Jupiter, Saturn, Uranus, and Neptune. The findings provide new insights into the magnetic influences shaping our solar system.
    *Southern Launch Gets Green Light for Orbital Missions
    Southern Launch has received federal and state government approval for its Whalers Way orbital launch complex in South Australia. The site is poised to support up to 42 orbital rocket launches annually, with plans for multiple launch pads and comprehensive tracking facilities. This development marks a significant step forward for Australia's growing Space industry.
    *Axiom Unveils New Lunar Spacesuits for NASA
    Axiom Space has revealed the new spacesuits for NASA's Artemis 3 mission, set for a lunar landing in 2026. Designed to withstand the harsh lunar environment, these suits feature improved mobility and dust resistance. The new design includes interchangeable segments to accommodate various body types, reflecting advancements in spacesuit technology since the Apollo era.
    The Science Robert
    A study has identified a decline in low-pressure weather systems, crucial for rainfall in southern Australia, since the mid-20th century. Meanwhile, the largest study of brain volume to date has found genetic links between ADHD and Parkinson's disease. In wildlife news, taming wild elephant calves has been shown to increase stress levels, potentially affecting their health. Finally, the paranormal world is abuzz with sightings of Robin Hood's ghost in Sherwood Forest, though sceptics remain unconvinced.
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    00:00 Scientists uncover an ancient magnetic field at the outer edge of the solar system
    08:09 Axiom Space has unveiled the new lunar spacesuits NASA plans to use
    13:50 Low pressure weather systems driving southern Australia's rainfall have declined over decades
    16:19 Reports in England that Robin Hood has been seen haunting Sherwood Forest
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    21 分
  • S27E137: Earth's Slushy Past, Phobos' Solar Dance, and SpaceX's Orbital Boost
    2024/11/13
    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 high carbon dioxide levels and rapid melting. The findings offer fresh insights into Earth's climate evolution and the resilience of life under extreme conditions.
    *Phobos Eclipses the Sun
    NASA's Mars Perseverance rover has captured a rare celestial event: the Martian moon Phobos eclipsing the Sun. Using its Mastcam-Z camera, Perseverance observed the tiny moon transiting the Sun from its position in Jezero Crater. This remarkable event highlights the ongoing challenges and discoveries as the rover ascends the crater's rim.
    *SpaceX Dragon Boosts ISS
    For the first time, NASA has utilized the SpaceX Dragon capsule to boost the International Space Station into a higher orbit. This maneuver, using Dragon's Draco thrusters, is part of a broader strategy to maintain the station's altitude and test future deorbit capabilities. The mission also delivered over 2,700 kg of supplies and scientific equipment, including a wooden cubesat and human tissue samples for aging research.
    The Science Report
    A new study attributes last year's global temperature spike primarily to El Nino, rather than climate change. Meanwhile, scientists discover a 161-million-year-old giant tadpole fossil, shedding light on the evolution of frogs and toads. Additionally, research indicates that popular music in the US has become simpler since the 1950s. Plus, global cell phone sales show regional variations post-COVID, with notable growth in the US, Europe, and Australia.
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    00:00 This is space Time Series 27, episode 137 for broadcast on 13 November 2024
    00:47 New research suggests that as the planet thawed, it went slushy
    04:46 NASA's Mars Perseverance rover captures rare Phobos eclipse of the Sun
    07:15 NASA uses SpaceX Dragon cargo ship to boost International Space Station to higher altitude
    14:38 Study says El Nino Southern Oscillation caused global temperatures spike last year
    16:55 Scientists in South America have discovered the fossilized remains of a 161 million year old tadpole
    18:33 New figures show that global cell phone sales dropped following the COVID pandemic
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    24 分
  • S27E136: Magnetars' Mysterious Birth, Voyager's Light Day Journey, and Australia's Satellite Setback
    2024/11/12
    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 more energy in nanoseconds than half a billion suns. The research indicates that FRBs are more common in massive star-forming galaxies, suggesting a link to magnetars formed from stellar mergers. This discovery challenges previous assumptions about magnetar formation and sheds light on the dynamic processes in the universe.
    *Voyager 1 Approaches One Light Day from Earth
    NASA's Voyager 1 spacecraft is set to become the first human-made object to travel more than a light day's distance from Earth, a monumental 26 billion kilometers away. This historic milestone is expected in January 2027. Despite recent communication challenges due to a fault protection system glitch, engineers successfully reestablished contact. Voyager 1 and its twin, Voyager 2, continue their journey through interstellar space, providing invaluable data about the cosmos.
    *Australia Axes Vital Military Satellite Defense System
    In a surprising move, the Australian government has canceled a crucial $7 billion satellite defense project. The JP9102 military satellite communications system, awarded to Lockheed Martin, was intended to enhance Australia's military communications amid growing regional tensions. The decision, amid geopolitical challenges, raises concerns about Australia's defense capabilities and secure communications network.
    The Science Robert
    A study highlights the significant carbon footprint of private jet users, who generate 500 times more CO2 than the average person. Meanwhile, research identifies 22 pesticides linked to prostate cancer, and a systematic review confirms no link between cell phone use and brain cancer. Plus, a fascinating look at how animals in the wild might consume alcohol from fermented fruits.
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    00:00 This is space Time Series 27, Episode 136 for broadcast on Remembrance Day
    00:46 New study suggests highly magnetic neutron stars are born out of stellar mergers
    05:06 NASA's Voyager 1 spacecraft lost contact with mission managers on October 18
    15:10 Australian government has just axed a crucial $7 billion satellite defense project
    17:38 A new study has identified 22 pesticides consistently linked to the incidence of prostate cancer
    20:53 A new systematic review confirms there is no scientific evidence that cell phones cause cancer
    ✍️ Episode References
    NASA
    [https://www.nasa.gov/](https://www.nasa.gov/)
    Caltech
    [https://www.caltech.edu/](https://www.caltech.edu/)
    Deep Synoptic Array
    [https://www.astro.caltech.edu/research/dsa/](https://www.astro.caltech.edu/research/dsa/)
    Owens Valley Radio Observatory
    [https://www.astro.caltech.edu/ovro/](https://www.astro.caltech.edu/ovro/)
    Nature Journal
    [https://www.nature.com/](https://www.nature.com/)
    Lockheed Martin
    [https://www.lockheedmartin.com/](https://www.lockheedmartin.com/)
    Australian Defence Force
    [https://www.defence.gov.au/](https://www.defence.gov.au/)
    UNRWA
    [https://www.unrwa.org/](https://www.unrwa.org/)
    Jet Propulsion Laboratory
    [https://www.jpl.nasa.gov/](https://www.jpl.nasa.gov/)

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    24 分
  • S27E135: Miranda's Oceanic Mystery, Mars' Green Spotted Rocks, and the 2035 Martian Walk Target
    2024/11/08
    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 placing it among the select few worlds in our solar system with environments that could support life. The study highlights the intriguing possibility of a vast ocean beneath Miranda's icy crust, kept warm by gravitational tidal forces.
    *NASA Discovers Weird Red Rocks with Green Spots on Mars
    NASA's Mars Perseverance Rover has stumbled upon strange red rocks with green spots on the Martian surface. As the rover continues its journey towards the rim of Jezero Crater, it has uncovered a new geological puzzle featuring red and green rocks. Scientists are intrigued by the green spots, which could suggest past water activity, but their exact composition remains a mystery due to the rover's current limitations.
    *First Humans on Mars by 2035?
    NASA is planning to send humans to Mars as early as 2035. The mission would be part of the Artemis programme, with a journey that could take up to 14 months, including a 500-day stay on the Martian surface. This ambitious plan hinges on the successful deployment of the Lunar Gateway Space Station and other key technologies.
    The Science Report
    New research finds that children exposed to cannabis in the womb are more likely to exhibit behavioural issues. Meanwhile, ancient DNA studies reveal two genetically distinct populations north and south of the Caucasus Mountains, and a study links Airbnbs to increased crime rates. Plus, a fact-based conversation with AI might help some conspiracy theorists reconsider their beliefs.
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    21 分