SpaceTime with Stuart Gary

Stuart Gary

The Astronomy, Technology, and Space Science News Podcast.

  • 24 minutes 59 seconds
    S27E75: Mars' Solar Storm Spectacle and Galactic Disk Discoveries
    Join us for SpaceTime Series 27 Episode 75, where we explore the latest cosmic events and scientific advancements shaping our understanding of the universe.
    First, we delve into how Mars lit up during last month's spectacular solar storm. These solar events provided astronomers with unprecedented data, revealing the impact of solar flares and coronal mass ejections on the Red Planet. We discuss the implications for future human missions to Mars and the potential radiation exposure astronauts might face.
    Next, unexpected differences have been discovered in the thickness of the Milky Way galaxy's disk. New observations reveal that the inner part of the disk is only half as thick as the outer part, challenging our understanding of the galaxy's structure and evolution.
    Finally, scientists have developed a new atlas dealing with space health, covering the broad-ranging molecular changes and DNA damage experienced during spaceflight. This research is crucial for preparing for long-term lunar and Martian missions.
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
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    21 June 2024, 5:25 am
  • 28 minutes 8 seconds
    S27E74: Water Frost on Olympus Mons, Europe's Solar Probe, and Virgin Galactic's Pause
    Join us for SpaceTime Series 27 Episode 74, where we explore the latest cosmic discoveries and advancements in space exploration.
    First, astronomers have discovered water frost on the solar system's tallest volcanoes, including Olympus Mons on Mars. This groundbreaking find challenges existing ideas about the red planet's climate dynamics and suggests the presence of water frost near the Martian equator for the first time. The study, led by Domus Valentinus, reveals that this frost is incredibly thin, likely only 100th of a millimeter thick, and consists of at least 150,000 tons of water that cycles between the surface and the atmosphere during the cold seasons.
    Next, we delve into the European Space Agency's Proba-3 mission, which aims to study the sun's outer atmosphere or corona. This innovative mission involves two spacecraft flying in formation to create an artificial solar eclipse, allowing for sustained study of the sun's faint coronal atmosphere. The mission will launch aboard an Indian PSLV rocket from the Satish Dhawan Space Centre and will demonstrate the precise positioning of two orbiting platforms.
    Finally, Virgin Galactic has successfully completed its final space tourism flight before a two-year pause to upgrade its fleet. The Galactic 7 mission carried two pilots and two passengers to the edge of space, marking the end of operations for VSS Unity. The company will now focus on developing its next-generation Delta-class space planes, which are expected to enter commercial operations in 2026.
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
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    19 June 2024, 6:23 am
  • 34 minutes 6 seconds
    S27E73: Dark Matter Mysteries and Martian Lake Myths Debunked
    Join us for SpaceTime Series 27 Episode 73, where we delve into the latest cosmic discoveries and advancements shaping our understanding of the universe.
    First, astronomers have developed a new theory of dark matter to explain the mysterious dwarf galaxy Crater 2. Despite its proximity at 383,000 light-years from Earth and its large size—making it the fourth largest satellite galaxy orbiting the Milky Way—Crater 2 has a surprisingly low surface brightness and velocity dispersion. This has led scientists to propose the self-interacting dark matter (SIDM) theory, which may better account for the galaxy's unusual properties.
    Next, new research dismisses the idea of a lake under the Martian south polar ice cap. Instead, it suggests that the bright radar reflections previously interpreted as liquid water are likely due to resolution interference between radio waves. This finding, based on computer simulations, challenges the notion of subsurface liquid water on Mars.
    Finally, we highlight the development of a new daytime optical telescope, the Huntsman, which allows astronomers to observe celestial objects even when the sun is high overhead. This groundbreaking instrument, located at Siding Spring Observatory, uses an array of camera lenses designed for ultra-sensitive night sky observations but can also accurately measure stars and satellites during daylight.
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
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    17 June 2024, 10:43 am
  • 32 minutes 41 seconds
    S27E72: Dual Moons of Dinkinesh and Saturn’s Hidden Ocean
    Join us for SpaceTime Series 27 Episode 72, where we uncover the latest cosmic discoveries and scientific advancements.
    First, astronomers have discovered that a tiny moonlet orbiting the main belt asteroid Dinkinesh is actually two little moons melded together. Known as contact binaries, these moonlets could provide fresh insights into the complex processes behind planetary formation and evolution. We delve into the details of this fascinating discovery made by NASA's Lucy spacecraft.
    Next, we discuss the possibility of an underground ocean on Saturn's moon Mimas. Scientists speculate that as Mimas's orbital eccentricity decreased, its icy shell may have melted and thinned, leading to the formation of a subsurface ocean. This finding could have significant implications for our understanding of the Saturnian system.
    Finally, we highlight NASA's launch of its second pre-fire satellite into orbit aboard Rocket Lab's Electron rocket. These satellites are designed to study how much heat the Arctic and Antarctic are radiating out into space and how that's influencing global climates. We explore the mission's objectives and potential impact on climate science.
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
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    14 June 2024, 4:26 am
  • 31 minutes 57 seconds
    S27E71: Winding Back Hubble, Starliner's Historic Crew Launch, and OSIRIS Apex's Solar Feat
    Join us for SpaceTime Series 27 Episode 71, where we delve into the latest cosmic events and technological advancements reshaping our understanding of the universe.
    First, we discuss NASA's announcement that the Hubble Space Telescope will begin winding back its science programme due to ongoing issues with its gyroscopes. This decision marks a significant transition for the historic observatory, which has revolutionised astronomical discovery since its launch in 1990.
    Next, we cover the long-awaited launch of Boeing's Starliner, which has finally taken a crew to the International Space Station. This milestone paves the way for Starliner to join SpaceX's Dragon in transporting crews to the orbiting outpost under NASA's commercial crew programme.
    Finally, we highlight NASA's OSIRIS Apex spacecraft's survival after a close encounter with the sun. This mission is essential for its upcoming rendezvous with the asteroid Apophis in 2029.

    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favourite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
    Support SpaceTime
    Become a supporter of SpaceTime:
    If you'd like to support SpaceTime and access early release episodes, commercial-free...then look for us on Patreon or Supercast. Links on our website at spacetimewithstuart.com
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    12 June 2024, 9:00 am
  • 45 minutes 2 seconds
    S27E70: SpaceX's Mega Rocket Soars and China's Historic Lunar Mission
    Join us for SpaceTime Series 27 Episode 70, where we delve into the latest cosmic events and groundbreaking discoveries shaping our understanding of the universe.
    First, we explore SpaceX's Starship, the world's largest and most powerful rocket, which has successfully completed its fourth test flight. This historic mission is a significant step towards developing a colonial transport ship capable of carrying 100 people or 150 tonnes of supplies to the moon, Mars, and beyond. We dive into the details of the launch, the hot staging manoeuvre, and the successful splashdown.
    Next, we discuss China's latest lunar lander, which has successfully touched down on the far side of the moon. This mission aims to collect samples from the lunar South Pole's Aitken basin, providing valuable insights into the moon's formation and evolution.
    Finally, we highlight the arrival of three new Australian-built satellites in Japan, destined for launch to the International Space Station. These satellites are part of Curtin University's Binar space programme and represent a significant milestone in Western Australia's space journey.

    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favourite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
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    10 June 2024, 9:00 am
  • 24 minutes 43 seconds
    S27E69: Webb's Record-Breaking Galaxy Discovery and the Hunt for New Worlds
    Join us for SpaceTime Series 27 Episode 69, where we uncover the latest cosmic revelations and scientific advancements.
    First, we delve into a groundbreaking discovery by the Webb Space Telescope, which has identified the most distant galaxy ever observed. Located a staggering 290 million years after the Big Bang, this galaxy offers unprecedented insights into the universe's infancy and the formation of its earliest stars and galaxies. We explore the methods and implications of this discovery, including the galaxy's surprising brightness and the presence of dust and ionized gas.
    Next, we discuss the announcement of a massive new collection of exoplanet discoveries. NASA's Transiting Exoplanet Survey Satellite (TESS) has confirmed 120 new exoplanets and identified six new candidates, bringing the total number of known exoplanets to over 6000. These findings offer a rich database for studying planetary properties and environments, particularly those that may harbor life.
    Finally, we highlight new X-ray observations from NASA's Chandra X-ray Telescope, revealing dramatic changes in two famous supernova remnants: the Crab Nebula and Cassiopeia A. These observations provide stunning visualizations and valuable data on the dynamic processes occurring in these remnants.
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favorite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
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    7 June 2024, 9:00 am
  • 33 minutes
    S27E68: Unveiling Venus: New Volcanic Activity Discovered
    Join us for SpaceTime Series 27 Episode 68, where we explore the latest cosmic discoveries and technological advancements shaping our understanding of the universe.
    First, we uncover new evidence suggesting that Venus is volcanically active. By analysing data from NASA's Magellan radar, scientists have identified two volcanoes on Venus that erupted in the early 1990s. This discovery adds to the growing body of evidence that Venus may be far more volcanically active than previously thought.
    Next, we discuss the discovery of a new kind of volcanic eruption on Earth. Researchers have identified a unique eruption mechanism at Hawaii's Kilauea volcano, describing it as a "stomp rocket" eruption driven by sudden pressure increases as the ground collapses.
    Finally, we look forward to the maiden flight of the European Space Agency's new Ariane 6 rocket, now slated for next month. This launch marks a significant milestone in Europe's space exploration capabilities.
    00:00 This is spacetime series 27, episode 68 for broadcast on 5 June 2024
    00:45 Two volcanoes on Venus appear to have erupted in the early 1990s
    05:40 Venus is often considered to be earths sister planet with runaway greenhouse effect
    09:47 Scientists say Kilauea volcano erupted like a stomp rocket in 2018
    14:05 The maiden flight of the European Space Agency's new Ariane six rocket now likely
    19:19 The upper and main stages of the Ariane six flight model have arrived
    22:03 New study says vaccines for bird flu are best defence if virus spreads between humans
    24:03 Study finds popular teens sleep 27 minutes less per night than their peers
    25:57 There are growing concerns about inaccurate information coming out of artificial intelligence programmes
    26:41 Google's AI overviews are giving very strange information based on Reddit posts
    27:45 Sam Altman has rushed to form a new AI safety team
    31:03 Spacetime is available every Monday, Wednesday and Friday 

    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favourite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
    Support SpaceTime
    Become a supporter of SpaceTime:
    If you'd like to support SpaceTime and access early release episodes, commercial-free...then look for us on Patreon or Supercast. Links on our website at spacetimewithstuart.com 
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    www.bitesz.com
    5 June 2024, 9:00 am
  • 35 minutes 33 seconds
    S27E67: Solar Superstorms and the Quest to Mars: SpaceX's Starship Prepares
    Join us for SpaceTime Series 27 Episode 67, where we delve into the latest cosmic events and groundbreaking discoveries shaping our understanding of the universe.
    First, we discuss the return of last month's powerful solar storms. The active sunspot region AR 364, now renumbered as AR 3697, has reappeared, bringing with it more geomagnetic storms and spectacular solar flares. We explore the intricate dynamics of solar flares and coronal mass ejections, and their profound impacts on Earth's technology and atmospheric phenomena.
    Next, we look forward to the upcoming test flight of the world's largest and most powerful rocket, SpaceX's Starship, scheduled for June 5. This mission is crucial for NASA's Artemis III plans to return humans to the lunar surface by 2026. We delve into the details of the mission and the technological advancements that make Starship a cornerstone for future space exploration.
    Finally, we uncover archaeological evidence proving that ancient Britons constructed standing stone monuments with astronomical alignments. The research highlights how these structures were intricately connected with the movements of the sun and moon, offering insights into the sophisticated astronomical knowledge of our ancestors.
    00:00 This is spacetime series 27, episode 67, for broadcast on 3 June 2024
    00:25 Active region AR 364 has returned after disappearing two weeks ago
    05:10 SpaceX says Starship, world's largest and most powerful rocket, likely on June 5
    08:07 Scientists say ancient British standing stones were aligned with astronomical movements
    18:12 Standing stones in Britain allow you to view sun and moon from very specific perspectives
    23:02 New study shows Covid-19 vaccines still effective against hospitalization and death
    33:30 Spacetime is available every Monday, Wednesday and Friday through various podcasting platforms
    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favorite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
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    3 June 2024, 9:11 am
  • 42 minutes 8 seconds
    S27E66: BepiColombo's Glitch: Navigating Challenges on the Road to Mercury
    Join us for SpaceTime Series 27 Episode 66, where we delve into the latest cosmic discoveries and technological challenges shaping our understanding of the universe.
    First, we explore a glitch aboard the BepiColombo spacecraft bound for Mercury. The joint ESA-JAXA mission faced a sudden issue with its thrusters, impacting its journey towards the innermost planet. Despite the setback, mission control has restored 90% of the spacecraft's thrust capabilities, ensuring BepiColombo's arrival at Mercury for its next gravity assist.
    Next, we turn our attention to Venus, where BepiColombo's fleeting visit has unveiled surprising insights into the planet's atmosphere. Observations reveal that carbon and oxygen ions are escaping Venus's upper layers at speeds sufficient to overcome the planet's gravity, offering new clues about atmospheric loss mechanisms.
    Finally, we discuss new evidence explaining the mysterious phenomenon of stars that suddenly vanish without the usual supernova explosion. This complete stellar collapse turns massive stars directly into black holes, providing fresh perspectives on stellar evolution.
    00:00 This is Spacetime series 27, episode 66, for broadcast on 31 May 2024
    01:00 A glitch aboard the BepiColombo spacecraft bound for Mercury
    12:30 Exploring the unexplored regions of Venus
    24:15 An explanation for stars that mysteriously suddenly vanish
    35:00 Skywatch: The June solstice, the spectacular Sombrero Galaxy, and the Taurus meteor shower

    Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favorite podcast app including Apple Podcasts, Spotify, YouTube Music or wherever you get your podcasts.
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    31 May 2024, 9:00 am
  • 29 minutes 32 seconds
    S27E65: Europa's Secrets: Juno's Stunning New Discoveries
    Join us for SpaceTime Series 27 Episode 65, where we uncover the latest cosmic revelations and scientific advancements.
    First, we delve into the intriguing new features discovered in high-resolution images of Jupiter's icy moon Europa. Captured by NASA's Juno spacecraft, these images reveal signs of plume activity and ice shell disruption, providing clues about the moon's subsurface ocean and its potential to support life.
    Next, we explore a groundbreaking model explaining the formation of free-floating planets. Recent findings suggest that gravitational perturbations in dense star clusters could eject giant planets, leading them to orbit each other as they drift through interstellar space.
    Finally, we report on NASA's Perseverance rover, which has collected its 24th rock sample on Mars. This new sample, rich in carbonate and silica, holds promise for understanding the Red Planet's ancient habitability and potential signs of past life.
    00:00 This is SpaceTime Series 27, Episode 65, for broadcast on 29 May 2024
    00:44 New features discovered in high-resolution images of Jupiter's icy moon Europa
    09:18 A new model to explain the formation of free-floating planets
    16:09 NASA's Perseverance rover collects its 24th rock sample on Mars
    18:28 A new study warns that fish oil supplements have been associated with a 13% increased risk of developing atrial fibrillation
    26:05 SpaceTime is available every Monday, Wednesday, and Friday through various podcast providers
    Support the show and access ad-free episodes at https://www.bitesz.com/show/spacetime/. Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
    Sponsor Offer
    This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
    Listen to SpaceTime on your favorite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
    Support SpaceTime
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    29 May 2024, 9:00 am
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