SpaceTime: Your Guide to Space & Astronomy Podcast Por Stuart Gary arte de portada

SpaceTime: Your Guide to Space & Astronomy

SpaceTime: Your Guide to Space & Astronomy

De: Stuart Gary
Escúchala gratis

Acerca de esta escucha

 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-your-guide-to-space-astronomy--2458531/support.Copyright bitesz.com Astronomía Astronomía y Ciencia Espacial Ciencia Historia Natural Naturaleza y Ecología
Episodios
  • Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate

    Discovering 15 Giant Radio Galaxies, Titan's Rapid Changes, and the AI Extinction Debate
    May 13 2025
    Sponsor Details:
    1. Incogni...if you don't like sharing your details with all and sundry online, then you need Incogni. To get our SpaceTime listener deal, visit www.incogni.com/stuartgary or use the coupon code STUARTGARY at checkout.
    2. Insta360 - the leaders in 360 degree video shooting. Check out their gear and get your SpaceTime free offer with purchase by visiting www.store.insta360.com and use the coupon code SpaceTime at checkout.
    This episode of SpaceTime explores remarkable discoveries and urgent cosmic events that are reshaping our understanding of the universe.
    New Giant Galaxies Discovered
    Astronomers unveil the discovery of 15 new giant radio galaxies, each spanning over 3 million light years and hosting supermassive black holes. Utilizing the advanced capabilities of the Australian Square Kilometer Array Pathfinder (ASCAP), researchers reveal the unique characteristics of these galaxies, including their powerful jets and lobes traveling at superluminal speeds. We delve into the implications of these findings for our understanding of galaxy formation and evolution.
    Changes on Titan
    Next, we discuss the intriguing changes occurring on Saturn's moon Titan, which is experiencing rapid orbital changes on geological timescales. Scientists explore the factors influencing Titan's tidal dissipation rate and what it reveals about the moon's internal structure and history. This study provides insights into the dynamic processes at play in our solar system's moons.
    Failed Soviet Spacecraft Returns
    We also cover the dramatic re-entry of the Kosmos 482, a failed Soviet spacecraft that spent 53 years in orbit before crashing back to Earth. Launched in 1972 on a mission to Venus, the spacecraft's uncontrolled descent raises concerns about space debris and its potential impact on Earth.
    AI and Humanity's Future
    Finally, we tackle the controversial topic of artificial intelligence and its potential risks to humanity. With AI evolving at an unprecedented pace, we examine the findings of a new study that assesses the likelihood of AI leading to human extinction. As science fiction warns of a future dominated by AI, we explore the reality of these threats and what they mean for our future.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Science Advances
    https://www.science.org/journal/sciadv
    Journal of the American Medical Association
    https://jamanetwork.com/journals/jama
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 This is space time series 28, episode 57 for broadcast on 12 May 2025
    00:54 Astronomers have discovered 15 giant radio galaxies each hosting a supermassive black hole
    09:35 You're still learning about these galaxies
    11:57 Now you, uh, mentioned starburst galaxies earlier. What are we seeing in elliptical galaxies when this happens
    15:04 Foreign astronomers have discovered that the orbit of the moon Titan is changing quickly
    18:49 A failed Soviet era spacecraft has crashed back to Earth
    21:24 New study claims there's still little chance of artificial intelligence actually exterminating humanity
    25:39 Using cannabis during pregnancy may increase risk of several adverse birth outcomes, study finds
    Más Menos
    36 m
  • Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles

    Mapping the Milky Way: New Insights, Martian Mysteries, and Psyche's Thruster Troubles
    May 9 2025
    This episode of SpaceTime is brought to you with the support of NordVPN...our official VPN app and the one we recommend if online security is important to you. To get the special SpaceTime listeners deal, with a 30 day money back guarantee, visit www.nordvpn.com/stuartgary or us the coupon code stuartgary at checkout.

    In this episode of SpaceTime, we unveil a stunning new ultraviolet map of the Milky Way galaxy, thanks to NASA's New Horizons spacecraft. This groundbreaking observation, published in the Astronomical Journal, provides astronomers with unprecedented insights into the galactic environment surrounding our solar system. We discuss how these findings challenge existing theories about interstellar hydrogen emissions and reveal the complex structures of hot interstellar gas bubbles.
    Exploring Mars with Perseverance
    Next, we follow NASA's Perseverance Rover as it investigates the intriguing rock formations at the Jezero crater rim. Discover how the rover is analyzing the contrasting layers of rock, searching for clues about Mars's geological history and the processes that shaped its surface.
    Psyche Spacecraft Troubles
    Finally, we address the ongoing investigation into a significant issue with the electric propulsion system of NASA's Psyche spacecraft. Launched in 2023, this mission aims to explore the metallic asteroid 16 Psyche. We delve into the challenges faced by mission managers and discuss potential solutions to ensure the spacecraft continues on its path to unravel the mysteries of planetary cores.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astronomical Journal
    https://iopscience.iop.org/journal/0004-637X
    NASA Perseverance Rover
    https://mars.nasa.gov/mars2020/
    NASA Psyche Mission
    https://www.nasa.gov/psyche
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 This is Space Time Series 28, episode 56 for broadcast on 9 May 2025
    00:45 NASA's New Horizons spacecraft reveals a new ultraviolet map of the Milky Way
    12:30 Mars Perseverance Rover continues its exploration of Jezero crater
    18:15 NASA investigates issues with the Psyche spacecraft's electric propulsion system
    22:00 Skywatch: May night skies and celestial events
    Más Menos
    36 m
  • The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate

    The Cosmic Origins of Uranium, Vesta's Surprising Identity, and Mars' Ancient Climate
    May 7 2025
    Sponsor Links:
    1. NordVPN - For the special SpaceTime NordVPN deal with extra free months, a huge discount and 30 day money back guarantee visit www.nordvpn.com/stuartgary
    2. Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.
    This episode of SpaceTime dives deep into the cosmos, revealing groundbreaking insights into the origins of heavy elements and the geological history of Mars.First, we explore a revolutionary study that uncovers how giant exploding stars produce uranium and other heavy elements. Researchers are now investigating gamma-ray burst jets and the surrounding cocoon formed by collapsed stars. This new framework suggests that high-energy photons can dissolve stellar material into neutrons, leading to the creation of heavy elements through a rapid neutron capture process. We discuss the implications of these findings and how they challenge long-held beliefs about nucleosynthesis in the universe.Shattering Beliefs About Asteroid Vesta
    Next, we turn our attention to the asteroid Vesta, where a recent study published in Nature Astronomy reveals that its interior structure is far more uniform than previously thought. This discovery has led scientists to reconsider Vesta's identity, proposing that it may simply be a large asteroid rather than a protoplanet. We examine the research that challenges decades of assumptions about Vesta's formation and its role in understanding the early solar system.Did It Rain or Snow on Ancient Mars?
    Finally, we investigate the ancient climate of Mars, with a new study suggesting that geological formations on the planet were shaped by heavy precipitation, indicating a warmer and wetter past. This research utilizes computer simulations to analyze how rain and snow may have contributed to the development of Martian valleys and channels. We discuss the significance of these findings and their implications for our understanding of Mars's climatic history.www.spacetimewithstuartgary.com
    ✍️ Episode References
    Astrophysical Journal
    https://iopscience.iop.org/journal/0004-637X
    Nature Astronomy
    https://www.nature.com/natureastronomy/
    Journal of Geophysical Research Planets
    https://agupubs.onlinelibrary.wiley.com/journal/21699356
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 New study provides clues explaining how exploding stars produce uranium and other heavy elements
    06:21 New study suggests giant asteroid Vesta is really just a big asteroid
    15:19 New study suggests heavy precipitation likely fed valleys on ancient Mars
    19:49 A new study warns that microplastic pollution could compromise ocean carbon
    22:17 More than 31,000 passwords belonging to Australian banks have been stolen
    24:47 Space Time is available every Monday, Wednesday and Friday through bitesz.com
    Más Menos
    29 m
adbl_web_global_use_to_activate_T1_webcro805_stickypopup
Todavía no hay opiniones