• Mars' Volcanic Awakening, Supernova 1987A's Secrets, and Dream Chaser Delays: S28E05
    Jan 10 2025
    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 still volcanically active, raising possibilities of habitable conditions due to interactions between magma and icy substrates.
    Mysteries of Supernova 1987A
    Astronomers using the Murchison Wide Field Array have been delving into the enigmatic Supernova 1987A. The supernova, marking the death of a blue supergiant star, offers insights into stellar evolution. The peculiar hourglass shape and the unexpected blue supergiant phase of the progenitor star continue to puzzle scientists.
    Dream Chaser Space Plane Launch Delayed
    The inaugural flight of the Dream Chaser space plane, Tenacity, is now scheduled for May. The spacecraft will carry supplies to the International Space Station, showcasing its capabilities. Sierra Space plans to use Dream Chaser for future missions, including building an orbiting habitat.
    00:00 New study claims there's evidence for recent volcanic activity on Mars
    05:34 Low frequency radio observations have provided a window into SN 1987A's past life
    13:30 The long awaited inaugural flight of Sierra Space's Dream Chaser space plane is now expected
    18:52 Canadian scientists compared prevalence and risk of mental disorders between trans and gender diverse people
    21:07 Phoenix, Arizona named as America's top location for UFO sightings
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    26 mins
  • Challenging Dark Energy, Solar Wind Mysteries, and Venus's Volcanic Past: S28E04
    Jan 8 2025
    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 variations in cosmic expansion rates by considering differences in gravitational time dilation. This model could potentially resolve some of the universe's biggest mysteries, including the Hubble tension, by suggesting that dark energy is simply a misinterpretation of cosmic conditions.
    Solar Wind Slowing Beyond Pluto
    NASA's New Horizons spacecraft has detected a slowdown in the solar wind as it travels beyond Pluto. The data reveals that the solar wind, a stream of charged particles from the Sun, decelerates as it picks up interstellar material. This discovery offers new insights into the heliosphere's outer reaches and the interaction between solar and interstellar forces.
    Venus's Volcanic Past
    New research indicates that Venus's ancient tesserae regions, once thought to be akin to Earth's continental crust, may actually be composed of layered volcanic rocks. This finding, based on radar data from NASA's Magellan mission, challenges previous assumptions and provides fresh perspectives on Venus's geological history.
    00:00 New observations show the solar wind slowing down beyond Pluto
    00:27 New study claims dark energy doesn't explain accelerating universe
    11:27 If the universe has an energy field of the right kind, expansion can accelerate
    18:22 Some tesserae on Venus have layering consistent with volcanic activity
    21:07 Scientists have identified a new genetic link to autism spectrum disorder
    23:51 LG will release a fridge with a transparent OLED door
    24:58 The flip phone turns 29 on January 3rd, 1996
    26:28 Microsoft have announced their own version of Apple's Mac Mini
    27:31 Space Time is available every Monday, Wednesday and Friday through Apple Podcasts
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    ✍️ Episode References
    Monthly Notices of the Royal Astronomical Society Letters
    [https://academic.oup.com/mnrasl](https://academic.oup.com/mnrasl)
    Astrophysical Journal
    [https://iopscience.iop.org/journal/](https://iopscience.iop.org/journal/)
    Journal Geology
    [https://pubs.geoscienceworld.org/gsa/geology](https://pubs.geoscienceworld.org/gsa/geology)

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    29 mins
  • Parker Solar Probe's Record-Breaking Journey, Mysterious X-ray Flares, and Solar Cycle's Weather Impact: S28E03
    Jan 6 2025
    SpaceTime Series 28 Episode 03Parker Solar Probe's Historic JourneyNASA'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, providing invaluable data to help scientists understand the Sun's impacts on the solar system, including Earth. This mission marks a significant achievement in space exploration, shedding light on the Sun's mysterious processes and aiding in the search for habitable worlds beyond our planet.Mystery of Ultra Luminous X-Ray SourcesAstronomers have detected unusual flaring activity in an ultra luminous X-ray source, challenging our understanding of these enigmatic cosmic phenomena. Observations reveal flux variations by up to a factor of six over a few hours, offering new insights into the nature of these powerful sources, which could be linked to feeding supermassive black holes or intermediate mass black holes.Solar Cycle and La Niña ConnectionA new study suggests a possible link between the Sun's 11-year solar cycle and Earth's La Niña weather patterns. The findings indicate that solar variability may drive seasonal weather changes, potentially improving predictions of major climatic events like El Niño and La Niña, which have significant impacts on global weather patterns.January Skywatch00:00 Stuart Gary talks about NASA's Parker Solar Probe and more00:39 NASA's Parker Solar Probe survived its close approach to the sun on December 2405:19 NASA's Parker Solar Probe is 3.8 million miles from the sun10:52 Astronomers studying an ultra luminous X ray source have detected strange flaring activity13:12 Solar variability may be driving seasonal weather variability here on Earth17:19 New study suggests eating more fruits and vegetables could help reduce depression19:35 A much anticipated United States Congressional hearing on UFOs turned out to be flop25:23 A new paper claims that one of the biggest mysteries in science doesn't actually exist35:55 If the universe has an energy field of the right kind, expansion can accelerate42:59 New findings could provide fresh insights into the enigmatic planet's geological history45:50 Scientists have identified a new genetic link to autism spectrum disorder48:29 LG will release a fridge with a transparent OLED door49:35 Nintendo has announced that it will launch its Nintendo Switch by March 31st51:06 Microsoft have announced their own version of Apple's Mac Mini with ARM chips52:25 A new study claims there's evidence for recent volcanic activity on Mars56:11 Astronomers using radio telescope in Western Australia study supernova 1987A01:04:08 What exactly caused 87A to go to a blue super giant phase01:05:12 The long awaited inaugural flight of Sierra Space's Dream Chaser space plane is now expected01:10:34 Canadian scientists compared prevalence and risk of mental disorders between trans and gender diverse people01:12:49 Phoenix, Arizona named as America's top location for UFO sightingswww.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 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 ReferencesNASA Parker Solar Probe[NASA Parker Solar Probe](https://www.nasa.gov/content/goddard/parker-solar-probe)Johns Hopkins Applied Physics Laboratory[Johns Hopkins APL](https://www.jhuapl.edu/)XMM-Newton Space Telescope[XMM-Newton](https://www.cosmos.esa.int/web/xmm-newton)NuStar Space Telescope[NuStar](https://www.nasa.gov/mission_pages/nustar/main/index.html)Chandra X-ray Observatory[Chandra](https://chandra.harvard.edu/)Swift Space Telescope[Swift](https://swift.gsfc.nasa.gov/)NGC 4559 Galaxy[NGC 4559](https://www.constellation-guide.com/ngc-4559/)Earth and Space Sciences Journal[Earth and Space Sciences](https://agupubs.onlinelibrary.wiley.com/journal/23335084)Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
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    27 mins
  • Mars' Liquid Water Woes, Asteroid Discoveries, and Australia's Lunar Ambitions: S28E02
    Jan 3 2025
    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, even in the form of salty brines. The findings question the habitability of the Red Planet by Earth standards.
    New Asteroids Discovered
    NASA's Webb Space Telescope has identified a new population of small main belt asteroids between Mars and Jupiter. These 138 newly discovered celestial bodies range in size from a bus to a football stadium, offering insights into asteroid formation and the potential risks of asteroid impacts on Earth.
    Australia's Lunar Rover Project Advances
    Australia's first Lunar Rover project is moving forward with the development of prototype rovers and essential technology to tackle lunar dust challenges. Supported by the Australian Space Agency, this $42 million initiative aims to enhance Australia's role in lunar exploration.
    January Skywatch
    00:00 New study claims we're unlikely to ever find liquid water on Mars
    04:50 NASA's Webb Space Telescope has discovered 138 new asteroids in the main asteroid belt
    07:53 January marks Earth's closest orbital position to the sun perihelion
    09:59 Sirius is the fifth closest star to the sun and it's gradually moving closer
    16:37 Looking due north just above the horizon this time of year you'll see Capella
    22:28 January also plays host to one primary meteor shower, the Quadrantids
    24:26 There's plenty to see in the night sky during January, as long as
    28:36 The Orion Nebula looks magnificent through a telescope and even better on photos
    31:59 Just beyond Orion we've got Taurus constellation Taurus
    33:05 On 15 January, planet Mars reaches its closest point in its orbitwww.spacetimewithstuartgary.com
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    ✍️ Episode References
    Proceedings of the National Academy of Sciences
    [https://www.pnas.org/](https://www.pnas.org/)
    NASA Ames Research Center
    [https://www.nasa.gov/ames](https://www.nasa.gov/ames)
    Australian Space Agency
    [https://www.industry.gov.au/space](https://www.industry.gov.au/space)
    Sky & Telescope Magazine
    [https://skyandtelescope.org/](https://skyandtelescope.org/)

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    38 mins
  • Webb Telescope Confirms Hubble Tension, Vesta's Liquid Mysteries, and Mars' Explosive New Year: S28E01
    Jan 1 2025
    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 study, led by Adam Rees and Thomas Barber, confirms the accuracy of Hubble's measurements, pointing to unknown factors in the Universe's expansion.
    Liquid Erosion on Asteroid Vesta
    A new hypothesis proposes that liquids could have carved out gullies on the airless asteroid Vesta. Laboratory experiments suggest that briny liquids, rather than dry debris flows, may have formed these features. This study, reported in the Planetary Science Journal, provides insights into the geological processes on Vesta.
    New Year's Day Fireworks on Mars
    While Earth celebrates New Year's Day, Mars experiences its own fireworks with explosive spring thaws. The Martian northern hemisphere is undergoing dynamic surface changes, including frost avalanches and gas geysers. These phenomena offer a unique glimpse into the seasonal cycles on the Red Planet.
    00:00 This is space Time Series 28, Episode 1, for broadcast on January 1 2025
    00:52 Measurement discrepancy between Hubble and Webb on Universe's expansion remains unexplained
    13:51 The Martian northern hemisphere is going through an active, even explosive spring thaw
    21:17 New study shows teen smoking increases risk of heart disease later in life
    23:54 Software update will turn AirPods Pro 2 into therapeutic grade hearing aid
    28:32 TechRadar released its annual Top of the Pops list this year
    29:51 TechRadar said the Apple Vision Pro was the biggest flop of 2024
    31:21 Space Time with Stuart Gary is available on many podcasting platforms
    www.spacetimewithstuartgary.com
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    ✍️ Episode References
    Astrophysical Journal
    [https://iopscience.iop.org/journal/](https://iopscience.iop.org/journal/)
    Planetary Science Journal
    [https://psj.aas.org/](https://psj.aas.org/)
    NASA's Mars Reconnaissance Orbiter
    [https://mars.nasa.gov/mro/](https://mars.nasa.gov/mro/)
    American College of Cardiology
    [https://www.jacc.org/](https://www.jacc.org/)
    Australian Zoologist
    [https://www.rzsnsw.org.au/](https://www.rzsnsw.org.au/)
    Journal Interface


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    33 mins
  • Sun-Kissing Parker Probe, Recent Lunar Volcanism, and the Milky Way's New Map: S27E157
    Dec 30 2024
    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 significant step in understanding solar phenomena and space weather, with implications for forecasting geomagnetic storms.
    Moon's Volcanic Past Unveiled
    New samples from China's Chang'e 6 mission to the Moon's far side reveal volcanic activity as recent as 2.8 billion years ago. This finding challenges previous assumptions about the Moon's geological history, suggesting a prolonged period of volcanism on its far side, distinct from earlier samples obtained from the near side.
    Mapping the Milky Way
    Astronomers have crafted a new stellar chart offering a more comprehensive map of our Milky Way galaxy. The study reveals the galaxy's formation in two distinct phases, with implications for understanding its structure and evolution. This research provides new insights into areas previously hidden from view.
    00:00 This is space Time Series 27 episode 157 for broadcast on 30 December 2024
    00:47 NASA's Parker Solar Probe flew closer to the sun than any other spacecraft
    02:05 NASA launched Parker solar probe to touch the Sun in August 2018
    10:04 New data from China's Chang'e 6 mission suggests lunar volcanism still active
    13:09 Astronomers develop new stellar chart providing a more complete map of our Milky Way galaxy
    16:45 New study claims drinking tea or coffee reduces risk of head and neck cancers
    18:46 Scientists at Monash University have made a breakthrough in energy storage technology
    20:57 Consumer magazine Choice has announced its shonky award winners for 2024
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    ✍️ Episode References
    Parker Solar Probe
    https://www.nasa.gov/content/parker-solar-probe
    Chang'e 6 Mission
    https://www.nature.com/articles/s41586-020-2128-4
    Leibniz Institute for Astrophysics
    https://www.aip.de/en
    Sloan Digital Sky Survey
    https://www.sdss.org/

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    24 mins
  • Superflare Warnings, Binary Stars at the Galactic Core, and Lucy's Close Earth Flyby: S27E156
    Dec 27 2024
    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 solar events may be more common than previously thought, urging caution as we continue to study these phenomena.
    Binary Star Discovery Near Galactic Core
    Astronomers have identified the first binary star system near Sagittarius A*, the supermassive black hole at the centre of our galaxy. This discovery, made using the European Southern Observatory's Very Large Telescope, offers new insights into how stars can survive in extreme gravitational environments. The findings could pave the way for detecting planets orbiting close to this massive black hole.
    NASA's Lucy Mission: Onward to Jupiter
    NASA's Lucy spacecraft has completed its second close flyby of Earth, gaining a gravity assist to propel it towards Jupiter's Trojan asteroids. This manoeuvre is part of Lucy's 12-year mission to study these ancient celestial bodies, believed to be remnants from the early solar system. The spacecraft's journey promises to unlock new secrets about the formation of our planetary neighbourhood.
    00:00 This is Spacetime Series 27, episode 156 for broadcast on 27th December 2024
    00:48 New observations suggest our sun may be far more violent than previously thought
    05:17 Astronomers detect binary star system near supermassive black hole
    08:49 NASA's Lucy spacecraft makes second close flyby of the Earth
    10:37 NASA's Lucy mission is heading to the Jupiter Trojans
    12:26 Sea ice levels in the ocean surrounding Antarctica reach new record lows in 2023
    13:52 A new study claims drinking moderate amounts of wine can ward off heart disease
    15:05 There are headlines saying believing in Loch Ness monster makes you less stressed
    www.spacetimewithstuartgary.com
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    ✍️ Episode References
    NASA Lucy spacecraft
    https://www.nasa.gov/mission_pages/lucy/overview/index.html
    Max Planck Institute
    https://www.mpg.de/en
    European Southern Observatory
    https://www.eso.org/public/
    Kepler space telescope
    https://www.nasa.gov/mission_pages/kepler/main/index.html
    Nature Communications
    https://www.nature.com/ncomms/
    British Medical Journal
    https://www.bmj.com/
    European Heart Journal
    https://academic.oup.com/eurheartj
    Australian Sceptics
    https://www.skeptics.com.au/


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    19 mins
  • New Cosmic X-Ray Class, Chiron's Mysteries, and the Next Space Station Era: S27E155
    Dec 25 2024
    SpaceTime Series 27 Episode 155*Discovery of a New Class of Cosmic X-RayAstronomers have identified a new class of cosmic X-ray source, potentially originating from a novel type of nova event. The study, published in the Astrophysical Journal Letters, reveals 29 unusual objects in the Large and Small Magellanic Clouds. These objects displayed unexpected behaviours, such as long-duration X-ray outbursts and recurring outbreaks. The findings suggest these sources, dubbed 'Milli Novae', could play a crucial role in understanding astrophysical phenomena, especially as they may contribute to the mass of white dwarfs, potentially leading to Type 1A supernovae.*Uncovering the Secrets of the CentaursUsing the James Webb Space Telescope, astronomers have begun studying centaurs, a unique family of comet-like asteroids orbiting between Jupiter and Neptune. The study of 2060 Chiron reveals surface chemistry unlike any other known centaur, with carbon dioxide and carbon monoxide ices, and methane gases in its coma. These findings provide new insights into the origins of our solar system, as centaurs have remained largely unchanged since its formation 4.6 billion years ago.*NASA's Plans for Commercial Space StationsWith the International Space Station set for retirement in 2030, NASA is supporting the development of multiple commercial space stations. Projects include the NASA-funded STAR Labs space station, slated for launch in 2028, and Axiom's modular space station, which will initially dock with the ISS. Other proposals, like Orbital Reef and Haven One, are also in development, promising to advance commercial space activities and research.00:00 Astronomers have identified a new class of cosmic X ray source04:44 2060 Chiron provides new clues about the origins of our solar system12:56 A number of proposals for commercial low Earth orbit space stations are growing17:46 Higher levels of air pollution associated with higher risk of hospitalisation, study finds19:31 Almost all artificial intelligence chatbots are showing symptoms of mild cognitive impairment20:47 Apple's AI summarisation feature sometimes gives incorrect summaries22:47 ChatGPT has made its search engines free24:17 Space Time is available every Monday, Wednesday and Friday through Apple Podcastswww.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 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 ReferencesAstrophysical Journal Letters[https://iopscience.iop.org/journal/8205](https://iopscience.iop.org/journal/2041-8205)2--- OGLE (Optical Gravitational Lensing Experiment)[http://ogle.astrouw.edu.pl/](http://ogle.astrouw.edu.pl/)Southern African Large Telescope[http://www.salt.ac.za/](http://www.salt.ac.za/)NASA's Swift Space Observatory[https://swift.gsfc.nasa.gov/](https://swift.gsfc.nasa.gov/)University of Central Florida[https://www.ucf.edu/](https://www.ucf.edu/)James Webb Space Telescope[https://www.jwst.nasa.gov/](https://www.jwst.nasa.gov/)STAR Labs Space Station[https://www.starlabs.space/](https://www.starlabs.space/)Axiom Space[https://www.axiomspace.com/](https://www.axiomspace.com/)Blue Origin[https://www.blueorigin.com/](https://www.blueorigin.com/)Sierra Space[https://www.sierraspace.com/](https://www.sierraspace.com/)Bigelow Aerospace[http://bigelowaerospace.com/](http://bigelowaerospace.com/)Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
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    26 mins