Solar Storms and Martian Mysteries: The Secrets of Coronal Holes and Ancient Waters
This episode is brought to you with the support of our sponsor, Incogni. To get your special Incogni deal visit www.incogni.com/spacetime. Incogni comes with a huge discount and a 30 day money back guarantee! Support the show and check them out. Don't share your data with anyone else unknowingly for another day. Get Inconi to fix it for you.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 MarsNext, 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 SuccessFinally, 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.www.spacetimewithstuartgary.comâïž Episode ReferencesScientific Reportshttps://www.nature.com/srepNASAhttps://www.nasa.gov/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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42:04
Earth's Water Origins Rewritten, Mars' Magnetic Mystery Unveiled
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 MarsNext, 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 ShowerAdditionally, 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 202500:49 New evidence on the origins of Earth's water06:30 Analysis of the enstatite chondrite meteorite12:15 The mystery of Mars's magnetic field18:00 Implications of a partially molten Martian core22:45 Overview of the Lyrids meteor shower27:00 Summary of recent astronomical findings30:15 Science report: Health risks linked to food additiveswww.spacetimewithstuartgary.comwww.bitesz.comđ Get Our Exclusive NordVPN deal here ⌠www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, itâs risk-free with Nordâs 30-day money-back guarantee! âCheck out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/aboutâïž Episode ReferencesIcarushttps://www.journals.elsevier.com/icarusGeophysical Research Lettershttps://agupubs.onlinelibrary.wiley.com/journal/19449224NASAhttps://www.nasa.gov/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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18:06
NASA's Lucy Spacecraft Zooms Past Asteroid Donaldjohanson, Neutrino Mass Limit Set
This episode is brought to you with the support of our sponsors, NordVPN and Incogni. To get your special NordVPN disvcount visit www.nordvpn.com/spacetimeand your Incogni deal at www.incogni.com/spacetime. Both offers come with a 30 day money back guarantee! Support the show and check them out....recommended and used by the team here at SpaceTime.NASA's Lucy Mission, Neutrino Mass Breakthrough, and Martian Rock DiscoveriesIn this episode of SpaceTime, we dive into NASA's Lucy spacecraft as it prepares for a close flyby of the asteroid Donaldjohanson, 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 MassNext, 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 OutcropsAdditionally, 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 202500:49 Lucy spacecraft's close encounter with asteroid Donaldjohanson06:30 Insights into the asteroid's formation and geology12:15 New upper limit established for neutrino mass18:00 Implications for particle physics and the standard model22:45 Mars Perseverance rover's discoveries on Jezero Crater27:00 Summary of recent planetary exploration findings30:15 Science report: Weather extremes and lab-grown chicken nuggetswww.spacetimewithstuartgary.comwww.bitesz.comđ Get Our Exclusive NordVPN deal here ⌠www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, itâs risk-free with Nordâs 30-day money-back guarantee! âCheck out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/aboutâïž Episode ReferencesScience Journalhttps://www.science.orgPlanetary Science Journalhttps://www.planetarysciencereview.comNASAhttps://www.nasa.govBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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26:05
Hints of Alien Life Detected, Early Universe Spiral Galaxy Uncovered
Hints of Alien Life, a Galactic Mystery, and Juno's Safe Mode IncidentIn 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 UniverseNext, 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 ModeAdditionally, 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 202500:49 Potential biosignatures detected on K2 18 b06:30 Implications for the search for extraterrestrial life12:15 Discovery of an ancient spiral galaxy in the early universe18:00 Challenges to current galaxy formation models22:45 Juno spacecraft enters safe mode after anomaly27:00 Summary of recent astronomical discoveries30:15 Science report: Health benefits of sauerkraut and lunar dust solar panelswww.spacetimewithstuartgary.comwww.bitesz.comđ Get Our Exclusive NordVPN deal here ⌠www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, itâs risk-free with Nordâs 30-day money-back guarantee! âCheck out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/aboutâïž Episode ReferencesAstrophysical Journal Lettershttps://iopscience.iop.org/journal/0004-637XNature Astronomyhttps://www.nature.com/nature-astronomy/Applied and Environmental Microbiologyhttps://aem.asm.org/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
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33:13
Uranus' Rotational Secrets Revealed, ISS Welcomes New Crew
Exploring Uranus's Rotational Secrets, New Crew at the ISS, and the Dangers of Space TravelIn 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 StationNext, 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 SpaceAdditionally, 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 202500:49 Hubble's measurements of Uranus's rotational rate06:30 Implications for future planetary research12:15 New crew arrival at the ISS aboard Soyuz MS-2718:00 Overview of the crew's mission and experiments22:45 Dangers of human spaceflight and health impacts27:00 Summary of recent space exploration news30:15 Science report: Lab-grown meat flavor innovationswww.spacetimewithstuartgary.comwww.bitesz.comđ Get Our Exclusive NordVPN deal here ⌠www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, itâs risk-free with Nordâs 30-day money-back guarantee! âCheck out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. Well worth checking out...Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/aboutâïž Episode ReferencesNaturehttps://www.nature.comNASAhttps://www.nasa.govNature Communicationshttps://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.
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.
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