SpaceTime with Stuart Gary

By: Stuart Gary
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  • Summary

  • 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 Mondays for our subscribers and individual episodes publicly on Monday, Wednesday, and Friday.
    Show your support for SpaceTime, help us reach our goals with early access to commercial-free episodes and bonuses via Supercast, Patreon, Apple Podcasts and YouTube.
    Links at https://spacetimewithstuartgary.com/about
    Enjoy!

    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
    Copyright bitesz.com
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Astronomy Natural History
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Episodes
  • S27E141: Black Hole Banquet, Uranus' Magnetic Squeeze, and Earth's Shifting Surface

    S27E141: Black Hole Banquet, Uranus' Magnetic Squeeze, and Earth's Shifting Surface
    Nov 22 2024
    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.
    www.spacetimewithstuartgary.com
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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 mins
  • S27E140: Sagittarius A* Controversy, Titan's Methane Clues, and Ozone Recovery Insights

    S27E140: Sagittarius A* Controversy, Titan's Methane Clues, and Ozone Recovery Insights
    Nov 20 2024
    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.
    www.spacetimewithstuartgary.com
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    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/support
    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 mins
  • S27E139: Australia's Rocket Renaissance, Cosmic Giants Unveiled, and Martian Ocean Mysteries

    S27E139: Australia's Rocket Renaissance, Cosmic Giants Unveiled, and Martian Ocean Mysteries
    Nov 18 2024
    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.
    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 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/support
    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
    ✍️ Episode References
    Event Horizon Telescope Collaboration
    [Event Horizon Telescope](https://eventhorizontelescope.org/)
    National Astronomical Observatory of Japan
    [NAOJ](https://www.nao.ac.jp/en/)
    Monthly Notices of the Royal Astronomical Society
    [MNRAS](https://academic.oup.com/mnras)
    NASA Cassini Mission
    [Cassini Mission](https://www.nasa.gov/mission_pages/cassini/main/index.html)
    Planetary Science Journal
    [PSJ](https://iopscience.iop.org/journal/
    3338)
    6--- University of Hawaii
    [University of Hawaii](https://www.hawaii.edu/)
    NASA Goddard Space Flight Centre
    [NASA Goddard](https://www.nasa.gov/goddard)
    Montreal Protocol
    [Montreal Protocol](https://ozone.unep.org/treaties/montreal-protocol)
    Nature Geoscience
    [Nature Geoscience](https://www.nature.com/ngeo/)
    Macquarie University
    [Macquarie University](https://www.mq.edu.au/)
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    31 mins

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