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  • Mars' Carbon Cycle Unveiled, SKA Project Progress, and ISS Rush Hour

    Mars' Carbon Cycle Unveiled, SKA Project Progress, and ISS Rush Hour
    2025/05/02
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    In this episode of SpaceTime, we uncover groundbreaking discoveries and updates from the cosmos. First, NASA's Curiosity Rover has revealed evidence of a carbon cycle on Mars, with significant carbon deposits found in Gale Crater. This finding, detailed in the journal Science, brings researchers closer to understanding Mars's potential to support life in its past. We discuss the implications of these findings and what they mean for the Red Planet's climatic history and habitability.
    Square Kilometer Array Update
    Next, we provide an exciting update on the billion-dollar Square Kilometer Array (SKA) project, the world's largest radio telescope currently under construction in Australia and South Africa. We explore how this massive facility will revolutionize our understanding of the universe, operating at unprecedented speeds and sensitivities. With 132,000 antennas spread over vast distances, the SKA aims to answer fundamental questions about gravity, magnetism, and the evolution of galaxies.
    Busy Times at the International Space Station
    Finally, we take a look at the bustling activity aboard the International Space Station. With recent crew returns and new cargo deliveries, including groundbreaking experiments on time measurement and gravitational research, the ISS continues to be a hub of scientific advancement. We discuss the latest missions and what they mean for future exploration and research in space.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Science
    https://www.science.org/
    Square Kilometer Array
    https://www.skao.int/
    NASA
    https://www.nasa.gov/
    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 53 for broadcast on 2 May 2025
    00:25 NASA's Mars Curiosity Rover finds evidence of a carbon cycle on the Red Planet
    03:51 Construction works well advanced on world's largest radio telescope, the SKA
    07:40 Scientists are building the world's largest radio telescope to probe the deep universe
    10:40 Three crew members from the International Space Station have successfully returned to Earth
    13:44 Previous studies suggested H5N1 bird flu could spread easily between mammals
    16:33 Australian Skeptics has debunked 15 popular supernatural claims
    20:00 Some of the things people take seriously have since been proved to Be fake
    24:23 Haunted locations are always dangerous. Are ghosts always dangerous?
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    29 分
  • Titan's Missing Deltas, Mars' Volcanic Past, and Kelt 9b's Metal Discovery

    Titan's Missing Deltas, Mars' Volcanic Past, and Kelt 9b's Metal Discovery
    2025/04/30
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    In this episode of SpaceTime, we delve into the mysterious absence of river deltas on Titan, Saturn’s largest moon. Despite having rivers of methane and ethane, a new study published in the Journal of Geophysical Research Planets reveals that Titan is largely devoid of these geological features, raising intriguing questions about its unique processes and history. We discuss the implications of this finding and what it means for our understanding of Titan's climate and geological past.
    Volcanic History of Mars
    Next, we explore groundbreaking research from NASA's Perseverance rover, which has uncovered a diverse array of iron-rich volcanic rocks in Jezero Crater. This study, reported in Science Advances, provides fresh insights into Mars's geological history and its potential to have supported ancient life. The findings reveal complex volcanic processes that may have occurred on the Red Planet, enhancing our understanding of its habitability.
    Rare Earth Metals in Exoplanet Atmosphere
    Finally, we celebrate the discovery of rare Earth metals in the atmosphere of Kelt 9b, one of the hottest known exoplanets. Astronomers have detected vaporized elements such as sodium, magnesium, and the rare Earth metals scandium and yttrium, marking a significant milestone in exoplanet research. This discovery opens new avenues for understanding the atmospheres of distant worlds and their unique compositions.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Journal of Geophysical Research Planets
    https://agupubs.onlinelibrary.wiley.com/journal/21699356
    Science Advances
    https://www.science.org/journal/sciadv
    Astronomy and Astrophysics
    https://www.aanda.org/
    NASA
    https://www.nasa.gov/
    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 52 for broadcast on 30 April 2025
    00:46 Scientists are looking for Titan's missing river deltas
    06:02 NASA's Mars Perseverance Rover is analyzing Martian volcanic rocks
    10:17 Astronomers have discovered rare Earth metals in the atmosphere of a hot exoplanet
    17:58 People who were conceived during colder seasons store fat differently, study finds
    20:25 YouTube is celebrating its 20th birthday with some interesting stats
    22:16 Google to launch Android 16 three or four months earlier than Apple's iOS
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    27 分
  • Solar Storms and Martian Mysteries: The Secrets of Coronal Holes and Ancient Waters

    Solar Storms and Martian Mysteries: The Secrets of Coronal Holes and Ancient Waters
    2025/04/28
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    In this episode of SpaceTime, we explore the intriguing phenomena of coronal holes on the Sun and their significant impact on space weather. A new study published in Scientific Reports reveals how these magnetic windows are launching supersonic solar wind streams into the heliosphere, providing crucial insights for future solar monitoring missions like ESA's Vigil. We discuss the dangers posed by solar storms to Earth's infrastructure and how advanced forecasting can mitigate these risks.
    Watery Past of Mars
    Next, we uncover exciting findings from NASA's Perseverance rover, which suggest that Mars once had widespread water, as indicated by the presence of calcium sulfate minerals. Utilizing innovative X-ray backscattered diffraction techniques, scientists are piecing together the planet's geological history and its potential for past life.
    NASA's Lucy Mission Success
    Finally, we celebrate the successful flyby of the main belt asteroid Donaldjohanson by NASA's Lucy spacecraft. Captured images reveal its unique potato-like shape and complex geology, shedding light on the building blocks of our solar system. With future encounters on the horizon, Lucy aims to enhance our understanding of planetary formation.

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    ✍️ Episode References
    Scientific Reports
    https://www.nature.com/srep
    NASA
    https://www.nasa.gov/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    42 分
  • Earth's Water Origins Rewritten, Mars' Magnetic Mystery Unveiled

    Earth's Water Origins Rewritten, Mars' Magnetic Mystery Unveiled
    2025/04/25
    In this episode of SpaceTime, we unveil groundbreaking evidence that challenges previously held theories about the origins of Earth's water. Recent findings published in the journal Icarus indicate that rather than being delivered by asteroids and comets, Earth's water may have formed alongside the planet itself. The study utilizes a unique meteorite known as the enstatite chondrite to reveal a rich source of hydrogen essential for water formation, reshaping our understanding of how life-sustaining conditions developed on Earth.
    The Enigmatic Magnetic Field of Mars
    Next, we delve into the curious case of Mars's magnetic field, which has puzzled scientists for decades. A new study suggests that the strange magnetic signatures observed on the Red Planet could be attributed to a partially molten core predominantly covering the southern hemisphere. This research provides fresh insights into Mars's geological history and the implications for its atmospheric evolution, as the planet transitioned from a warm, wet environment to the arid desert we see today.
    The Lyrids Meteor Shower
    Additionally, we celebrate one of humanity's oldest known meteor showers, the Lyrids, which are currently dazzling skywatchers. First recorded over 2,700 years ago, these meteors originate from comet Thatcher and promise a beautiful celestial display. Although not as prolific as other meteor showers, the Lyrids offer a captivating spectacle for stargazers, with expectations of 10 to 15 meteors per hour during peak viewing times.
    00:00 Space Time Series 28 Episode 50 for broadcast on 25 April 2025
    00:49 New evidence on the origins of Earth's water
    06:30 Analysis of the enstatite chondrite meteorite
    12:15 The mystery of Mars's magnetic field
    18:00 Implications of a partially molten Martian core
    22:45 Overview of the Lyrids meteor shower
    27:00 Summary of recent astronomical findings
    30:15 Science report: Health risks linked to food additives
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    ✍️ Episode References
    Icarus
    https://www.journals.elsevier.com/icarus
    Geophysical Research Letters
    https://agupubs.onlinelibrary.wiley.com/journal/19449224
    NASA
    https://www.nasa.gov/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    18 分
  • NASA's Lucy Spacecraft Zooms Past Asteroid Donaldjohanson, Neutrino Mass Limit Set

    NASA's Lucy Spacecraft Zooms Past Asteroid Donaldjohanson, Neutrino Mass Limit Set
    2025/04/23
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    NASA's Lucy Mission, Neutrino Mass Breakthrough, and Martian Rock Discoveries
    In this episode of SpaceTime, we dive into NASA's Lucy spacecraft as it prepares for a close flyby of the asteroid Donald Johanson, located in the main asteroid belt. The spacecraft will autonomously track and observe this 3km wide space rock, gathering crucial data that could shed light on its peculiar formation and geological history. This encounter serves as a vital rehearsal for Lucy's upcoming mission to explore Jupiter's Trojan asteroids, promising insights into the early solar system.
    A New Upper Limit for Neutrino Mass
    Next, we discuss a groundbreaking study that has established a new upper limit for the mass of the elusive neutrino, now determined to be less than 0.45 electron volts. This significant finding not only narrows the particle's mass range but also challenges existing theories in particle physics, pushing the boundaries of our understanding of the universe's fundamental forces.
    Intriguing Martian Richie Outcrops
    Additionally, we explore the fascinating discoveries made by NASA's Mars Perseverance rover on the rim of Jezero Crater. The rover has uncovered a diverse array of rock types, providing a unique glimpse into Martian history and the planet's potential for past habitability. With multiple rock samples collected and analyzed, Perseverance continues to unveil the geological secrets of the Red Planet.
    00:00 Space Time Series 28 Episode 49 for broadcast on 23 April 2025
    00:49 Lucy spacecraft's close encounter with asteroid Donald Johanson
    06:30 Insights into the asteroid's formation and geology
    12:15 New upper limit established for neutrino mass
    18:00 Implications for particle physics and the standard model
    22:45 Mars Perseverance rover's discoveries on Jezero Crater
    27:00 Summary of recent planetary exploration findings
    30:15 Science report: Weather extremes and lab-grown chicken nuggets
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    ✍️ Episode References
    Science Journal
    https://www.science.org
    Planetary Science Journal
    https://www.planetarysciencereview.com
    NASA
    https://www.nasa.gov
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    26 分
  • Hints of Alien Life Detected, Early Universe Spiral Galaxy Uncovered

    Hints of Alien Life Detected, Early Universe Spiral Galaxy Uncovered
    2025/04/21
    Hints of Alien Life, a Galactic Mystery, and Juno's Safe Mode Incident
    In this episode of SpaceTime, we explore groundbreaking revelations suggesting the potential for alien life beyond Earth. Using NASA's Webb Space Telescope, astronomers have detected chemical signatures of dimethyl sulfide and dimethyl disulfide in the atmosphere of the exoplanet K2 18 b, a sub-Neptune world located 124 light years away in the habitable zone of its host star. While these findings are incredibly promising, researchers urge caution as they work to confirm these biosignatures through further observations.
    A Surprising Spiral Galaxy from the Early Universe
    Next, we dive into the discovery of a surprisingly large spiral galaxy dating back 11.4 billion years, which challenges current models of galaxy formation. This massive galaxy, dubbed the "Big Wheel," is three times larger than expected for its time, prompting astronomers to rethink how galaxies can grow and evolve in the early universe. The implications of this finding could reshape our understanding of cosmic structure and formation processes.
    NASA's Juno Spacecraft in Safe Mode
    Additionally, we discuss a recent anomaly that forced NASA's Juno spacecraft to enter safe mode during a close flyby of Jupiter. The spacecraft's precautionary measures allowed it to protect its systems and continue diagnostics, ensuring the mission's ongoing success as it gathers vital data about the gas giant and its moons.
    00:00 Space Time Series 28 Episode 48 for broadcast on 21 April 2025
    00:49 Potential biosignatures detected on K2 18 b
    06:30 Implications for the search for extraterrestrial life
    12:15 Discovery of an ancient spiral galaxy in the early universe
    18:00 Challenges to current galaxy formation models
    22:45 Juno spacecraft enters safe mode after anomaly
    27:00 Summary of recent astronomical discoveries
    30:15 Science report: Health benefits of sauerkraut and lunar dust solar panels
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    ✍️ Episode References
    Astrophysical Journal Letters
    https://iopscience.iop.org/journal/0004-637X
    Nature Astronomy
    https://www.nature.com/nature-astronomy/
    Applied and Environmental Microbiology
    https://aem.asm.org/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    33 分
  • Uranus' Rotational Secrets Revealed, ISS Welcomes New Crew

    Uranus' Rotational Secrets Revealed, ISS Welcomes New Crew
    2025/04/19
    Exploring Uranus's Rotational Secrets, New Crew at the ISS, and the Dangers of Space Travel
    In this episode of SpaceTime, we delve into groundbreaking measurements of Uranus's rotational rate, achieved with unprecedented accuracy by NASA's Hubble Space Telescope. This new technique, which analyzed over a decade of observations of the planet's auroras, provides essential insights into Uranus's complex atmosphere and magnetic field, establishing a vital reference point for future planetary studies.
    A New Crew Arrives at the International Space Station
    Next, we cover the arrival of a new crew aboard the International Space Station, as the Russian Soyuz MS-27 spacecraft successfully docks with the orbiting outpost. The crew, consisting of two Russians and an American, will spend eight months conducting over 200 experiments and performing maintenance on the station.
    The Dangers of Going into Space
    Additionally, we discuss the various dangers associated with human spaceflight, including the effects of microgravity on the human body, radiation exposure, and the physical challenges astronauts face during long-duration missions. Experts from NASA highlight the ongoing research to ensure astronaut safety as humanity prepares for deeper space exploration.
    00:00 Space Time Series 28 Episode 47 for broadcast on 18 April 2025
    00:49 Hubble's measurements of Uranus's rotational rate
    06:30 Implications for future planetary research
    12:15 New crew arrival at the ISS aboard Soyuz MS-27
    18:00 Overview of the crew's mission and experiments
    22:45 Dangers of human spaceflight and health impacts
    27:00 Summary of recent space exploration news
    30:15 Science report: Lab-grown meat flavor innovations
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    ✍️ Episode References
    Nature
    https://www.nature.com
    NASA
    https://www.nasa.gov
    Nature Communications
    https://www.nature.com/ncomms/
    For the commercial-free editions of this podcast, become a supporter: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    20 分
  • Black Hole Plasma Jets Unraveled, Mars Twisters Captured

    Black Hole Plasma Jets Unraveled, Mars Twisters Captured
    2025/04/17
    SpaceTime Series 28 Episode 46
    The Astronomy, Space and Science News Podcast
    Unraveling Black Hole Jets, Martian Dust Devils, and Earth's Tectonic Mysteries
    In this episode of SpaceTime, we explore groundbreaking research that sheds light on how black holes generate their powerful plasma jets. A new study reveals that these jets are formed when superheated gas experiences a rapid shrinking towards the black hole's event horizon, offering insights into galaxy evolution and the fundamental physics of black holes. We discuss the implications of these findings for understanding cosmic phenomena and the behavior of matter in extreme gravitational fields.
    NASA's Mars Perseverance Rover Observes Martian Twisters
    Next, we delve into the fascinating observations made by NASA's Mars Perseverance Rover, which has captured images of dust devils swirling on the rim of Jezero Crater. These dust devils, including one consuming another, provide important data on Martian atmospheric conditions and help refine our climate models of the Red Planet. The rover's findings highlight the role of these phenomena in influencing Martian weather and surface interactions.
    New Insights into Earth's Tectonic Plates
    Additionally, we discuss a new study that uncovers how anomalies in the Earth's mantle transition zone affect the movement of tectonic plates. The research suggests that thick basaltic rock compositions within this zone can influence the trajectory and speed of subducting plates, which is vital for understanding the recycling of surface materials and the long-term stability of Earth's climate. This discovery opens new avenues for studying plate tectonics and its implications for our planet's habitability.
    00:00 Space Time Series 28 Episode 46 for broadcast on 16 April 2025
    00:49 Mechanisms behind black hole jet formation
    06:30 Implications for galaxy evolution and black hole physics
    12:15 Mars Perseverance Rover's dust devil observations
    18:00 Importance of dust devils in Martian climate studies
    22:45 Insights into Earth's tectonic plate movement
    27:00 Summary of recent geological findings
    30:15 Science report: Social media's impact on body image
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    ✍️ Episode References
    Publications of the Astronomical Society of Japan
    https://www.jstage.jst.go.jp/browse/pasj
    Nature
    https://www.nature.com
    PLOS One
    https://journals.plos.org/plosone/
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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    20 分