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
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 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
  • Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries

    Unraveling Dark Matter's Origins, Mars' Stunning Aurora Discovery, and New X-Ray Mysteries
    May 23 2025
    Sponsor Details:
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    This episode of SpaceTime delves into groundbreaking discoveries and theories that reshape our understanding of the universe, including the origins of dark matter, the first visible light auroras on Mars, and new insights into massive X-ray explosions near supermassive black holes.
    The Birth of Dark Matter Explained
    A new hypothesis suggests that dark matter, which constitutes about 85% of the universe's mass, may have originated from massless particles that condensed as they slowed down. This theory, outlined in the journal Physical Review Letters, proposes that these particles formed during the early universe's chaotic conditions, akin to steam turning into water. We discuss how this model could be tested using existing cosmic microwave background radiation data, potentially revolutionizing our understanding of dark matter's properties and formation.
    Visible Light Auroras on Mars
    In a historic achievement, NASA's Perseverance rover has captured the first visible light auroras on Mars, confirming long-held theories about Martian atmospheric phenomena. This event, triggered by a massive solar flare, opens up new avenues for auroral research and suggests that future astronauts could witness these stunning displays on the Martian surface. We explore the implications of this discovery and how it enhances our understanding of solar interactions with planetary atmospheres.
    Quasiperiodic Eruptions: A New Type of X-ray Explosion
    Astronomers have identified a new type of X-ray outburst known as quasiperiodic eruptions, occurring near supermassive black holes. Observed in a galaxy 300 million light-years away, these eruptions exhibit a unique pattern, with events occurring every 4.5 days. We discuss the mechanisms behind these eruptions and their significance in understanding the dynamics of black holes and their surrounding environments.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Physical Review Letters
    https://journals.aps.org/prl/
    Science Advances
    https://www.science.org/journal/sciadv
    Astrophysical Journal
    https://iopscience.iop.org/journal/0004-637X
    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 62 for broadcast on 23 May 2025
    01:00 New theory explaining the birth of dark matter
    12:15 First visible light auroras detected on Mars
    20:30 Discovery of quasiperiodic eruptions near supermassive black holes
    30:00 Science report: AI chatbots exaggerate research summaries
    Más Menos
    23 m
  • Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years

    Solar Flare Frenzy: Earth's Brush with the Biggest Geomagnetic Storm in 20 Years
    May 21 2025
    This episode of SpaceTime explores the recent surge in solar activity, including the largest solar flare of the year and the most intense geomagnetic storm in two decades.Massive Solar Flare and Its Implications
    We delve into the details of a powerful X 2.7 class solar flare that erupted from a newly active sunspot region, AR14087. Although the flare was not initially directed towards Earth, its rotation has now positioned it directly in our path. We discuss the mechanics of solar flares, their classification, and the potential impacts of such events on our planet, including disruptions to communication systems, satellite operations, and even power grids.The Gannon Storm: A Historic Geomagnetic Event
    The episode highlights the Gannon Storm, a severe geomagnetic storm that struck Earth on May 10, 2024. Coinciding with a space weather exercise, this event caused significant disruptions, including high voltage power line failures and rerouted flights due to radiation exposure. We analyze its effects on the atmosphere, satellites, and even the ionosphere, revealing insights into how such storms can impact modern technology.Ancient Solar Storms and Their Modern Implications
    In a fascinating segment, we discuss a groundbreaking study that identifies the strongest solar storm ever recorded, dating back to 12350 BCE. This ancient event, significantly more intense than any modern storm, provides invaluable data for understanding solar activity and its potential risks to contemporary infrastructure.Science Robert: Long Work Hours and Brain Changes
    We also touch on a new study revealing how long working hours could alter brain structures, potentially affecting memory and emotional regulation.Join us as we unpack these cosmic phenomena and their implications for life on Earth and beyond.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Journal of Occupational Environmental Medicine
    https://journals.lww.com/joem/Pages/default.aspx
    Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
    00:00 Solar flares are powerful blasts of energy erupting from sunspots
    10:30 May 2024 was the biggest geomagnetic storm in over 20 years
    14:29 New study reveals strongest solar event ever recorded, rewriting science on space weather
    18:23 A new study claims people who work long hours could have altered brain structures
    Más Menos
    23 m
  • Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact

    Eris Rocket Launch Delays, Venus's Tectonic Secrets, and Scotland's Billion-Year-Old Impact
    May 19 2025
    This episode of SpaceTime covers a range of exciting topics, including the delayed launch of Gilmour Space's Eris rocket, groundbreaking discoveries on Venus, and a billion-year-old asteroid impact in Scotland that raises new questions about the evolution of life on Earth.
    Eris Rocket Launch Delayed
    Gilmour Space has postponed the maiden launch of its Eris orbital rocket due to technical issues encountered during pre-flight checks. The rocket, designed to carry small satellite payloads, will now face a delay of at least three weeks as the company investigates the unexpected deployment of the launch vehicle's nosecone fairings. We discuss the implications of this delay and what it means for future commercial launches.
    Tectonic Activity on Venus
    In a fascinating discovery, scientists have identified possible tectonic activity on Venus, based on data from NASA's Magellan mission. Researchers found evidence of unique geological features known as coronae, which may indicate ongoing deformation of the planet's surface due to molten material from below. This research not only enhances our understanding of Venus but also offers insights into Earth's geological history.
    Ancient Asteroid Impact in Scotland
    A recent study has revealed that a massive asteroid impact in Scotland occurred 990 million years ago, much later than previously thought. This discovery, based on dating tiny zircon crystals, suggests a connection between this impact event and the emergence of early freshwater eukaryotes on land. We delve into the implications of this revised timeline for our understanding of life on Earth and the environmental changes triggered by such impacts.
    www.spacetimewithstuartgary.com
    ✍️ Episode References
    Science Advances
    https://www.science.org/journal/sciadv
    Journal of Geology
    https://www.geosociety.org/publications/gsa/geo.asp
    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 60 for broadcast on 19 May 2025
    00:54 Gilmour Space's Eris rocket launch delayed
    10:15 Possible tectonic activity discovered on Venus
    18:45 Billion-year-old asteroid impact in Scotland raises questions about early life on Earth
    25:00 Science report: Unexplained communications equipment found in Chinese-made solar panel inverters
    Más Menos
    30 m
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