SpaceTime with Stuart Gary

SpaceTime Series 28 Episode 27 The Astronomy, Space and Science News Podcast Asteroid 2024 YR4 Impact Risk Reduced, Insights into Mars' Core, and NASA's Lunar Mission Update In this episode of SpaceTime, we bring you encouraging news about asteroid 2024 YR4, with new observations indicating that the chances of it impacting Earth have plummeted to just 0.001%. Initially flagged as a potential threa...

SpaceTime Series 28 Episode 26 The Astronomy, Space and Science News Podcast Asteroid Ryugu's Salty Secrets, Solar Orbiter's Venus Encounter, and NASA's Lunar Resource Exploration In this episode of SpaceTime, we delve into the recent findings from the asteroid Richie, where scientists have discovered evidence of salt minerals, hinting at the presence of saline water in the outer solar system. Thi...

SpaceTime Series 28 Episode 25 The Astronomy, Space and Science News Podcast Two Arrows of Time, Ancient Rocks on Mars, and NASA's Lunar Trailblazer Mission In this episode of SpaceTime, we delve into a groundbreaking discovery by physicists revealing the possibility of two distinct arrows of time emerging from the quantum realm. This fascinating research challenges our conventional understanding...

SpaceTime Series 28 Episode 24 The Astronomy, Space and Science News Podcast Asteroid Impact Odds, Lunar Grand Canyons, and NASA's Stranded Astronauts In this episode of SpaceTime, we discuss the alarming increase in the odds of asteroid 2024 YR4 impacting Earth, now estimated at 3.1% for December 22, 2032. This asteroid, measuring between 40 to 90 meters, poses a significant threat, and we delve...

SpaceTime Series 28 Episode 23 The Astronomy, Space and Science News Podcast Snowball Earth Evidence, Blue Origin's Parachute Failure, and the Moon Illusion Explained In this episode of SpaceTime, we dive into groundbreaking geological research that provides compelling evidence for the Snowball Earth hypothesis, suggesting that glaciers may have covered the planet from pole to pole hundreds of mil...

SpaceTime Series 28 Episode 22 The Astronomy, Space and Science News Podcast New Van Allen Radiation Belts, Alien Oceans and Signs of Life, and the Largest Black Hole Radio Jet Ever Detected In this episode of SpaceTime, we uncover the discovery of two new temporary Van Allen radiation belts created by a massive solar storm that struck Earth in May 2024. This event not only produced stunning auror...

SpaceTime Series 28 Episode 21 The Astronomy, Space and Science News Podcast Shifting Dynamics of Earth's Inner Core, China's Lunar South Pole Mission, and Insights into Hot Jupiter Exoplanets In this episode of SpaceTime, we explore groundbreaking research revealing that Earth's inner core may be less solid than previously believed. A new study indicates that the near surface of the inner core is...

SpaceTime Series 28 Episode 20 The Astronomy, Space and Science News Podcast New Discoveries on Earth's Elements, Uranus's Moon Ariel, and the Fate of Comet Atlas In this episode of SpaceTime, we delve into a groundbreaking study that challenges long-held beliefs about the origins of Earth's missing moderately volatile elements, such as copper and zinc. This research suggests that rather than bein...

SpaceTime Series 28 Episode 19 The Astronomy, Space and Science News Podcast New Insights into Earth's Water, Asteroid Bennu's Composition, and Marsquake Triggers In this episode of SpaceTime, we investigate a groundbreaking study that challenges previous beliefs about when water arrived on Earth. New findings suggest that water may have come in during the later stages of Earth’s formation, provid...

SpaceTime Series 28 Episode 18 The Astronomy, Space and Science News Podcast Asteroid Threat Level Rusty, Dark Matter Experiment, and Martian Lava Rocks In this episode of SpaceTime, we discuss the alarming increase in the threat level of near-Earth asteroid 2024 YR4, now assessed at a 2.3% chance of impacting Earth on December 22, 2032. With astronomers worldwide closely monitoring its trajectory...

SpaceTime Series 28 Episode 17 The Astronomy, Space and Science News Podcast Volcanic Activity on Io, Ceres and the Building Blocks of Life, and New Exoplanet Search Technology In this episode of SpaceTime, we explore the astonishing discovery of the largest volcanic hotspot ever observed on Jupiter's moon, Io. NASA's Juno mission reveals a feature that dwarfs Earth's Lake Superior and produces er...

SpaceTime Series 28 Episode 16 The Astronomy, Space and Science News Podcast New Discoveries on the Moon , Venus Exploration, and Titan's Atmosphere In this episode of SpaceTime, we delve into a groundbreaking study revealing that the Moon may not be as geologically inactive as previously believed. Observations of small ridges on the lunar far side suggest recent tectonic activity, indicating that...

SpaceTime Series 28 Episode 15 The Astronomy, Space and Science News Podcast Building Blocks of Life on Asteroid Bennu, New Asteroid Threat, and Lunar Dome Mission In this episode of SpaceTime, we uncover groundbreaking discoveries from the asteroid Bennu, where scientists have detected the molecular building blocks of life in samples returned by NASA's Osiris Rex spacecraft. These findings indica...

SpaceTime Series 28 Episode 14 The Astronomy, Space and Science News Podcast Asteroid from the Moon, Lunar Landers, and Trump’s Mars Ambitions In this episode of SpaceTime, we explore the intriguing discovery of a small asteroid, designated 2024 PT5, which is believed to be a fragment of the Moon ejected into space by a historic impact. This 10-meter wide near-Earth object offers new insights into...

SpaceTime Series 28 Episode 13 Mysteries of Water on Mars and the Origins of Earth's Moon In this episode of SpaceTime, we explore groundbreaking discoveries about the history of water on Mars. New research reveals thousands of mounds on the Martian northern plains, rich in clay minerals, indicating that this area was once submerged under a vast ocean. These findings, reported in Nature Geoscience...

SpaceTime Series 28 Episode 12 Unveiling the Mysteries of Fast Radio Bursts and Mars' Geology In this episode of SpaceTime, we delve into the enigmatic origins of fast radio bursts (FRBs), those mysterious cosmic phenomena that release immense energy in mere nanoseconds. Recent findings challenge existing theories about their sources, suggesting that some FRBs may originate from regions in ancient...

SpaceTime Series 28 Episode 11 Ancient Water on Mars and the Birth of the Universe's Lights Scientists have uncovered two sets of ancient wave ripples on Mars, revealing evidence of long-dried ponds and lakes that once existed on the Red Planet. Discovered by NASA's Curiosity rover, these ripples, formed approximately 3.7 billion years ago, indicate that shallow bodies of water were open to the Ma...

SpaceTime Series 28 Episode 10 Gaia's Sky Scanning Completion and Mid Infrared Flare from Sagittarius A* The European Space Agency's Gaia spacecraft has completed its sky scanning phase, marking a monumental achievement in astronomical missions. Over the past decade, Gaia has transformed our understanding of the Milky Way by mapping the positions and characteristics of billions of stars. This miss...

SpaceTime Series 28 Episode 09 Starship's Fiery End and Blue Origin's New Glenn Debut SpaceX's Starship experienced a dramatic explosion during its seventh test flight, marking both success and setback. While the super heavy booster was successfully caught by the launch tower's chopstick arms, the Starship upper stage exploded during ascent. Despite the fiery end, the mission demonstrated signific...

SpaceTime Series 28 Episode 08 Origins of Fast Radio Bursts Unveiled Astronomers have pinpointed the source of fast radio bursts, specifically linking them to magnetars, a type of highly magnetic neutron star. This breakthrough, reported in Nature, was achieved by analysing the scintillation of FRB2022 1022A, indicating its proximity to a magnetar within 10,000 kilometres. This discovery sheds lig...

SpaceTime Series 28 Episode 07 Dark Matter's Role in Milky Way's Stellar Streams New research suggests that dark matter may have influenced the formation of the GD-1 stellar stream in the Milky Way. A study in the Astrophysical Journal Letters proposes that a core-collapsing, self-interacting dark matter subhalo could explain the unusual spur and gap features observed in the stream. This finding c...

SpaceTime Series 28 Episode 06 Formation of Pluto-Charon Binary System A new study reveals that the formation of the Pluto-Charon dwarf planet binary system may mirror that of the Earth-Moon system. The research, published in Nature Geoscience, suggests that both systems feature a secondary body significantly large in comparison to the primary, unlike other moons in our solar system. The findings...

SpaceTime Series 28 Episode 05 Volcanic Activity on Mars New research suggests recent volcanic activity on Mars, with eruptions possibly occurring within the last 50,000 years. This discovery, based on satellite observations, highlights a mysterious dark deposit in Elysium Planitia, indicating explosive volcanism. The findings could mean Mars is still volcanically active, raising possibilities of...

SpaceTime Series 28 Episode 04 Challenging the Existence of Dark Energy A groundbreaking study from the University of Canterbury in New Zealand is challenging the long-held belief in dark energy, suggesting that the universe's expansion might not require this enigmatic force. The research proposes the "timescape" model, which accounts for variations in cosmic expansion rates by considering differe...

SpaceTime Series 28 Episode 03 Parker Solar Probe's Historic Journey NASA's Parker Solar Probe has made history by becoming the fastest man-made object, surviving a record-breaking close approach to the Sun's surface. The probe, travelling at an unprecedented speed of 155,520 kilometres per hour, flew just 6.1 million kilometres above the Sun, providing invaluable data to help scientists understan...