Episodes

  • S27E119: Ancient Australian Crater, Mars' Zebra Rock, and New Glenn's Fiery Test

    S27E119: Ancient Australian Crater, Mars' Zebra Rock, and New Glenn's Fiery Test
    Oct 2 2024
    SpaceTime Series 27 Episode 119
    *Australian Crater Offers Fresh Insights into Earth's History
    Scientists have uncovered a potential 600-kilometre-wide crater in Australia's outback, which could revolutionise our understanding of Earth's geological past. This discovery, presented at the 37th International Geological Congress in South Korea, suggests the existence of Mapix, a massive Cambrian-Precambrian impact structure. The crater's unique characteristics could provide new insights into the geological and biological evolution of our planet. The study's authors have found significant geological evidence, including pseudotachylite breccia and shock minerals like lonsdaleite, supporting the age, size, and location of this impact structure.
    *Perseverance Rover Discovers Striped Rock on Mars
    NASA's Mars Perseverance rover has spotted an unusual black and white striped rock on the Red Planet. The discovery was made during the rover's exploration of the outer rim of Jezero Crater. The rock, named Freya Castle, has a striking pattern and is unlike anything previously observed on Mars. Early interpretations suggest that igneous and metamorphic processes could have created its distinctive stripes. This finding adds to the variety of intriguing rocks discovered by the rover, which could be among the oldest or youngest ever investigated on Mars.
    *Blue Origin's New Glenn Completes Second Stage Hot Fire Test
    Blue Origin's new heavy-lift rocket, the New Glenn, has successfully completed a hot fire test of its second stage booster. This critical test at Cape Canaveral's Space Launch Complex 36 marks a key step towards the rocket's inaugural test flight, scheduled for next month. The NG-1 mission will carry the prototype Blue Ring spacecraft, designed for refuelling, transporting, and hosting satellites. The 15-second hot fire test demonstrated the integrated operation of the vehicle's BE-3U engines and various subsystems, setting the stage for future missions.
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    00:00 - This is spacetime series 27 episode 119 for broadcast on 2 October 2024
    00:49 - Scientists have discovered a possible crater stretching more than 600 kilometres across Australia's outback
    02:54 - NASA's Mars Perseverance rover has discovered an unusual striped rock
    05:46 - The Mars Perseverance rover is exploring ancient Martian rocks
    10:59 - Researchers have found nanostructures around deep ocean hydrothermal vents
    12:57 - 61% of Americans admit to self censoring, according to study
    15:09 - Meta showing off their new Orion augmented reality glasses; Huawei releasing threefold phones
    19:16 - Spacetime is available every Monday, Wednesday and Friday through various podcasting services
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    21 mins
  • S27E118: Dark Matter's Hidden Forces, Naked Eye Comet, and Mars by 2028?

    S27E118: Dark Matter's Hidden Forces, Naked Eye Comet, and Mars by 2028?
    Sep 30 2024
    SpaceTime Series 27 Episode 118
    *Dark Matter May Be Experiencing Forces Beyond Gravity
    A groundbreaking new study suggests that dark matter, the elusive substance making up 85% of the universe's matter, may interact through forces other than gravity. Using observations from the Hubble Space Telescope, researchers have found that dark matter particles might experience additional forces, providing crucial new insights into their nature. The findings challenge the long-held collisionless cold dark matter model, opening new avenues for understanding the universe's most perplexing component.
    *Rare Naked Eye Comet Visible from Earth
    Skywatchers have a unique opportunity to witness the rare comet C/2023 A3 (Shushani Atlas) with the naked eye. Discovered by the Purple Mountain Observatory and the Atlas system, this comet is currently visible just before sunrise near the eastern horizon. On an 80,000-year journey from the Oort cloud, it is expected to become even brighter after passing close to the Sun, potentially reaching a magnitude of 2.5.
    *Humans on Mars by 2028?
    Former US President Donald Trump has announced an ambitious plan to send humans to Mars by 2028, eight years ahead of current schedules. This bold statement comes as Trump hints at discussions with SpaceX CEO Elon Musk to use the company's Starship for the mission. While the Artemis programme aims to return humans to the Moon by 2026, Trump's proposal could significantly accelerate human exploration of the Red Planet.
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    25 mins
  • S27E117: Colossal Black Hole Jets, Europa Clipper's Launch, and Iran's Defiant Missile Test

    S27E117: Colossal Black Hole Jets, Europa Clipper's Launch, and Iran's Defiant Missile Test
    Sep 27 2024
    SpaceTime Series 27 Episode 117
    *The Biggest Black Hole Jets Ever Seen
    Astronomers have detected the largest pair of black hole jets ever observed, stretching an astounding 23 million light years. Named Porphyron, this jet megastructure dates back to when the universe was just 6.3 billion years old. The discovery, published in the journal Nature, suggests that these colossal jets had a significant impact on galaxy formation during the universe's early epochs.
    *NASA's Europa Clipper Mission Ready for Launch
    All systems are go for next month's launch of NASA's Europa Clipper mission, set to study the oceans of Jupiter's ice moon, Europa. The spacecraft will be launched aboard a SpaceX Falcon Heavy rocket and will undertake a series of 49 close flybys to determine if Europa's subsurface ocean could be habitable.
    *Iran Tests Another Nuclear Capable Missile
    In defiance of United Nations resolutions, Iran has tested a new medium-range ballistic missile capable of carrying nuclear warheads. The launch of the Karam 100 missile is part of Tehran's ongoing efforts to develop its nuclear weapons delivery systems.
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    31 mins
  • S27E116: Unexpected Black Hole Abundance, Io's Volcanic Surprise, and W Boson Precision

    S27E116: Unexpected Black Hole Abundance, Io's Volcanic Surprise, and W Boson Precision
    Sep 25 2024
    SpaceTime Series 27 Episode 116
    *Discovery of More Black Holes Than Expected in the Early Universe
    A new study using the Hubble Space Telescope has uncovered a significantly higher number of supermassive black holes in the early universe than previously anticipated. Published in the Astrophysical Journal Letters, the findings could revolutionise our understanding of how these ancient black holes formed shortly after the Big Bang. Astronomers, including Alice Young from Stockholm University, suggest that these massive black holes might have originated from the collapse of massive gas clouds or through rapid mergers of smaller stellar-mass black holes.
    *New Volcano Spotted on Jupiter's Moon Io
    Astronomers have discovered a new volcano on Io, one of Jupiter's moons, using the Junocam instrument aboard NASA's Juno mission. Io, the most geologically active object in the solar system, boasts over 400 active volcanoes. The newly discovered volcano, located just south of Io's equator, was identified in the first close-up images of Io in over 25 years. The images reveal multiple lava flows and volcanic deposits, with sulphur staining on the eastern side and dark lava streams on the western side.
    *Confirming the Mass of the W Boson
    Scientists at CERN have confirmed the mass of the W boson, a fundamental particle in physics, to be 80,360.2 mega electron volts, with a margin of error of 9.9 mega electron volts. This confirmation resolves a previous unexpected measurement and aligns with the Standard Model of particle physics. The study utilised data from the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider, involving the analysis of millions of events to achieve this precise measurement.
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    This week’s guests include: Alice Young from Stockholm University
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    26 mins
  • S27E115: Black Hole Star Feasts, Earth's Mantle Mystery, and Lunar Water Abundance

    S27E115: Black Hole Star Feasts, Earth's Mantle Mystery, and Lunar Water Abundance
    Sep 23 2024
    SpaceTime Series 27 Episode 115
    *How Black Holes Eat Stars
    Astronomers have developed a groundbreaking computer simulation detailing how supermassive black holes at the centres of galaxies can rip apart and consume entire stars. The study, published in the Astrophysical Journal Letters, provides new insights into the mysterious optical and ultraviolet emissions observed during these catastrophic events. Lead author Daniel Price from Monash University explains that the simulation captures the full evolution of the debris from a star being tidally disrupted by a black hole.
    *New Revelations About Earth’s Mantle
    A new study reveals that the chemical composition of the Earth's mantle is uniform globally and only changes as it passes through different layers of crust closer to the planet's surface. Reported in the journal Nature Geoscience, the findings suggest that lavas from volcanic hotspots around the world likely originate from a worldwide uniform reservoir in the Earth's mantle.
    *Water More Widespread on the Moon Than Previously Thought
    New maps from both the near and far sides of the Moon show that the lunar surface contains vast amounts of water, mostly locked in the lunar regolith. The findings, published in the Planetary Science Journal, suggest multiple sources of water and hydroxyl in sunlit rocks and soils, including water-rich rocks excavated by meteor impacts at all lunar latitudes.
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    This week’s guests include: Professor Daniel Price from Monash University
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    37 mins
  • S27E114: Ceres' Origin Debate, Galactic Dark Matter Mystery Solved, and China's Space Plane Returns

    S27E114: Ceres' Origin Debate, Galactic Dark Matter Mystery Solved, and China's Space Plane Returns
    Sep 20 2024
    SpaceTime Series 27 Episode 114
    *Did the Dwarf Planet Ceres Originate in the Asteroid Belt? A new study challenges earlier observations about the origins of Ceres, the largest body in the main asteroid belt. The findings suggest that Ceres may have formed where it currently orbits rather than in the outer solar system.
    *Galactic Mystery About Dark Matter and Stars Finally Resolved Astronomers have overturned a longstanding idea that stars and dark matter interact in inexplicable ways. New models suggest that the similarity in density structures across different galaxies might be due to previous oversimplified modelling rather than an actual interaction between stars and dark matter.
    *China's Secretive Space Plane Returns to Earth China's experimental reusable spacecraft has completed a 268-day orbital mission. While Beijing claims the mission was for peaceful Space operations, the spacecraft appeared to be inspecting other satellites, raising questions about its true purpose.

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    This week’s guests include: Caro Derkenne an ASTRO 3D researcher from Macquarie University And our regular guests: Alex Zaharov-Reutt from www.techadvice.life Tim Mendham from Australian Skeptics
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    30 mins
  • S27E113: Lunar Volcanism: Moon's Fiery Past Unveiled

    S27E113: Lunar Volcanism: Moon's Fiery Past Unveiled
    Sep 18 2024
    In today’s episode, we explore the latest discoveries in lunar volcanism, the unique phenomena awaiting astronauts at the moon's south pole, and the arrival of a new crew at the International Space Station. Join us for an in-depth look at these exciting developments in Space exploration!

    *Recent volcanism on discovered on the Moon Scientists have discovered evidence of volcanism on the lunar surface as recently as 125 million years ago. *The Strange phenomena people will see at Moon's south pole When astronauts return to the Moon’s surface as part of the Artemis 3 mission to the Lunar south pole, they’ll experience a very different environment to that which the Apollo astronauts witnessed more than half a century ago. *A new crew arrives at the International Space Station The Russian Soyuz MS-26 capsule has successfully docked with the International Space station just three hours after its launch aboard a Soyuz 2.1a rocket from the Baikonur Cosmodrome in in the central Asian republic of Kazakhstan. *The Science Report Study shows up to 19% of dementia cases could be linked to vision problems. Over 52 million tonnes of plastic dumped into the environment every year. The growing amount of incorrect AI generated data being generated. Alex on Tech: are the new iPhone 16s worth it?

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    23 mins
  • S27E112: Private Spacewalk Milestone, Starliner's Empty Return, and Philippine Fireball Frenzy

    S27E112: Private Spacewalk Milestone, Starliner's Empty Return, and Philippine Fireball Frenzy
    Sep 16 2024
    SpaceTime Series 27 Episode 112
    First Ever Spacewalk by Private AstronautsA historic milestone as the first commercial non-government astronauts successfully complete a spacewalk using a SpaceX Dragon capsule. The mission, launched aboard a Falcon 9 rocket, aimed to monitor radiation exposure levels during its journey into the Van Allen radiation belts.
    Boeing Starliner Returns Safely to EarthBoeing's trouble-plagued Starliner spacecraft has safely returned to Earth, landing unmanned at the White Sands Missile Range in New Mexico. NASA opted for an unmanned return due to ongoing safety concerns with the spacecraft.
    *Asteroid Creates Spectacular Fireball Over the Philippines: A small asteroid created a stunning fireball as it entered Earth's atmosphere over the Philippines. The asteroid, designated 2024 RW1, was detected just hours before its atmospheric entry, providing a dazzling light show without causing any harm.
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    34 mins