Avsnitt
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In this episode of SpaceTime, we uncover remarkable revelations about Jupiter, lightning-induced gamma rays, and groundbreaking achievements in spaceflight.
Jupiter's Magnificent Past
A new study reveals that Jupiter, the solar system's largest planet, was once twice its current size and possessed a magnetic field 50 times stronger than today. Researchers, led by Konstantin Batygin, used the orbits of Jupiter's small moons, Amalthea and Thebe, to deduce these findings, providing critical insights into the early stages of planetary formation. The implications of this research could reshape our understanding of gas giants and their formation processes across the universe.
Gamma Rays and Lightning
In a groundbreaking discovery, scientists have detected intense flashes of gamma rays produced by lightning strikes. This phenomenon, known as terrestrial gamma ray flashes, occurs when lightning accelerates electrons to near light speeds, resulting in bursts of radiation. The study, published in Science Advances, sheds light on the high-energy processes occurring in Earth's atmosphere, enhancing our understanding of lightning's power and its effects on our planet.
Precision Formation Flying in Space
History has been made in Earth orbit as two spacecraft from the European Space Agency's Proba 3 mission successfully flew in millimeter-perfect formation for the first time. This precision alignment is crucial for studying the Sun's corona, allowing the two satellites to simulate a single large spacecraft. We discuss the technology behind this mission and its potential to revolutionize solar observations.
www.spacetimewithstuartgary.com
✍️ Episode References
Nature Astronomy
https://www.nature.com/natureastronomy/
Science Advances
https://www.science.org/journal/sciadv
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 64 for broadcast on 28 May 2025
01:00 Jupiter's original size and magnetic field
12:15 Gamma ray flashes unleashed by lightning
22:30 Precision formation flying in space
30:00 Science report: New contact lens technology for night vision -
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In this episode of SpaceTime, we explore some mind-bending revelations about the universe, including a new estimate for its ultimate fate, the peculiar gravity of the asteroid Bennu, and India's ambitious plans for its first manned spaceflight.
The Universe's Unexpected Expiration Date
A groundbreaking study suggests that the universe could meet its end in a mere 10^78 years, significantly sooner than the previously estimated 10^1100 years. This revelation, based on calculations involving Hawking radiation, sheds light on how black holes and other celestial bodies lose mass over time. We discuss the implications of this research and the fascinating mechanics behind black hole evaporation, including the surprising equivalence in decay rates between neutron stars and black holes.
Gravity's Quirks on Asteroid Bennu
Astronomers have uncovered bizarre gravitational dynamics at play on the near-Earth asteroid Bennu, based on data from NASA's Osiris Rex mission. This small celestial body exists in a delicate balance between gravity and centrifugal forces, creating a unique environment that could lead to its eventual disintegration. We delve into how Bennu's increasing rotation might impact its structural integrity and potential future interactions with Earth.
India's Manned Spaceflight Ambitions
The Indian Space Research Organization (ISRO) has announced plans for its first manned spaceflight, set to launch in early 2027. This historic mission will follow an unmanned test flight of the Gaganyan spacecraft, which is designed to carry a crew into low Earth orbit. We discuss the training and preparations of the selected Indian Air Force pilots and the technical challenges ISRO faces as it embarks on this new frontier in space exploration.
www.spacetimewithstuartgary.com
✍️ Episode References
Journal of Cosmology and Astroparticle Physics
https://www.cosmos.esa.int/cosmology
Nature Astronomy
https://www.nature.com/natastronomy/
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 63 for broadcast on 26 May 2025
01:00 New estimates on the universe's end
12:30 The strange gravity of asteroid Bennu
22:45 India's plans for its first manned spaceflight
30:00 Science report: Herpes virus linked to Alzheimer's disease -
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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 -
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 -
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 -
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Insta360 - To ceck out the range of cameras and to claim your bonus, visit store.insta360 and use the coupon code SpaceTime at checkout.This episode of SpaceTime dives deep into the intriguing findings from Mars, the peculiar behavior of a family of stars, and the latest developments in NASA's Artemis program.
Possible Martian Biosignatures
Scientists are captivated by the potential detection of biosignatures in a rock sample named Chayava Falls, collected by NASA's Perseverance rover. This rock, filled with unique chemical signatures, raises questions about the possibility of ancient microbial life on Mars. The analysis reveals organic compounds and distinctive structures, prompting further investigation to determine their origins and implications for past life on the Red Planet.
Strange Stellar Family
In an unexpected discovery, astronomers have identified a cluster of over a thousand young stars, named Ophion, that are behaving in a chaotic manner, rapidly dispersing instead of forming stable groups. This unusual behavior challenges existing theories about star formation and raises questions about the influences of nearby massive stellar groups and past supernovae on their movement.
Artemis 2 Orion Capsule Delivered
The Orion capsule designated for NASA's Artemis 2 mission has officially been handed over to NASA after final assembly and testing. This advanced spacecraft is set to carry a crew of four on a mission to orbit the Moon, marking a significant step towards future lunar exploration. We discuss the enhancements made to Orion since Artemis 1 and the preparations for its upcoming launch.
www.spacetimewithstuartgary.com
✍️ Episode References
Astrophysical Journal
https://iopscience.iop.org/journal/0004-637X
NASA Perseverance Rover
https://mars.nasa.gov/mars2020/
NASA Artemis Program
https://www.nasa.gov/artemis
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 59 for broadcast on 16 May 2025
00:54 Possible biosignatures detected on Mars
12:15 The unusual behavior of the Ophion star cluster
20:30 Artemis 2 Orion capsule delivered to NASA for preparations
25:00 Science report: Technology use around children and its effects on health -
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Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.This episode of SpaceTime delves into the latest revelations in the cosmos, exploring groundbreaking theories about dark matter and the future of lunar exploration.
New Insights into Dark Matter
Astronomers have made a significant breakthrough in understanding dark matter, revealing a potential new type of less massive dark matter at the center of the Milky Way. This study, published in Physical Review Letters, suggests that huge clouds of positively charged hydrogen may be linked to this elusive substance. The findings challenge existing models of dark matter, proposing that lighter particles may be responsible for unexplained chemical reactions observed in the galactic center.
Lunar Gateway Space Station Takes Shape
In an exciting development for lunar exploration, the first habitation module for the Lunar Gateway Space Station has arrived in the United States. Known as the Habitation and Logistics Outpost (HALO), this module will serve as a command hub for future missions to the Moon and Mars. We discuss the integration of HALO with the Power and Propulsion Element and the implications for the Artemis program.
Space Junk Threatens the ISS
We also cover the alarming increase in space debris, as NASA is forced to maneuver the International Space Station to avoid a potential collision with fragments of a Chinese rocket. This ongoing issue highlights the growing challenges of maintaining a safe orbital environment for astronauts aboard the ISS.
www.spacetimewithstuartgary.com
✍️ Episode References
Physical Review Letters
https://journals.aps.org/prl/
NASA Lunar Gateway
https://www.nasa.gov/gateway
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 58 for broadcast on 14 May 2025
00:54 New insights into dark matter in the Milky Way
10:30 The Lunar Gateway Space Station's HALO module arrives
17:15 Space junk threatens the International Space Station
20:45 Science report: Insights into Earth's population growth and continental movement -
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Incogni...if you don't like sharing your details with all and sundry online, then you need Incogni. To get our SpaceTime listener deal, visit www.incogni.com/stuartgary or use the coupon code STUARTGARY at checkout.Insta360 - the leaders in 360 degree video shooting. Check out their gear and get your SpaceTime free offer with purchase by visiting www.store.insta360.com and use the coupon code SpaceTime at checkout.This episode of SpaceTime explores remarkable discoveries and urgent cosmic events that are reshaping our understanding of the universe.
New Giant Galaxies Discovered
Astronomers unveil the discovery of 15 new giant radio galaxies, each spanning over 3 million light years and hosting supermassive black holes. Utilizing the advanced capabilities of the Australian Square Kilometer Array Pathfinder (ASCAP), researchers reveal the unique characteristics of these galaxies, including their powerful jets and lobes traveling at superluminal speeds. We delve into the implications of these findings for our understanding of galaxy formation and evolution.
Changes on Titan
Next, we discuss the intriguing changes occurring on Saturn's moon Titan, which is experiencing rapid orbital changes on geological timescales. Scientists explore the factors influencing Titan's tidal dissipation rate and what it reveals about the moon's internal structure and history. This study provides insights into the dynamic processes at play in our solar system's moons.
Failed Soviet Spacecraft Returns
We also cover the dramatic re-entry of the Kosmos 482, a failed Soviet spacecraft that spent 53 years in orbit before crashing back to Earth. Launched in 1972 on a mission to Venus, the spacecraft's uncontrolled descent raises concerns about space debris and its potential impact on Earth.
AI and Humanity's Future
Finally, we tackle the controversial topic of artificial intelligence and its potential risks to humanity. With AI evolving at an unprecedented pace, we examine the findings of a new study that assesses the likelihood of AI leading to human extinction. As science fiction warns of a future dominated by AI, we explore the reality of these threats and what they mean for our future.
www.spacetimewithstuartgary.com
✍️ Episode References
Science Advances
https://www.science.org/journal/sciadv
Journal of the American Medical Association
https://jamanetwork.com/journals/jama
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 57 for broadcast on 12 May 2025
00:54 Astronomers have discovered 15 giant radio galaxies each hosting a supermassive black hole
09:35 You're still learning about these galaxies
11:57 Now you, uh, mentioned starburst galaxies earlier. What are we seeing in elliptical galaxies when this happens
15:04 Foreign astronomers have discovered that the orbit of the moon Titan is changing quickly
18:49 A failed Soviet era spacecraft has crashed back to Earth
21:24 New study claims there's still little chance of artificial intelligence actually exterminating humanity
25:39 Using cannabis during pregnancy may increase risk of several adverse birth outcomes, study finds -
Sponsor Details
This episode of SpaceTime is brought to you with the support of NordVPN...our official VPN app and the one we recommend if online security is important to you. To get the special SpaceTime listeners deal, with a 30 day money back guarantee, visit www.nordvpn.com/stuartgary or us the coupon code stuartgary at checkout.Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.In this episode of SpaceTime, we unveil a stunning new ultraviolet map of the Milky Way galaxy, thanks to NASA's New Horizons spacecraft. This groundbreaking observation, published in the Astronomical Journal, provides astronomers with unprecedented insights into the galactic environment surrounding our solar system. We discuss how these findings challenge existing theories about interstellar hydrogen emissions and reveal the complex structures of hot interstellar gas bubbles.
Exploring Mars with Perseverance
Next, we follow NASA's Perseverance Rover as it investigates the intriguing rock formations at the Jezero crater rim. Discover how the rover is analyzing the contrasting layers of rock, searching for clues about Mars's geological history and the processes that shaped its surface.
Psyche Spacecraft Troubles
Finally, we address the ongoing investigation into a significant issue with the electric propulsion system of NASA's Psyche spacecraft. Launched in 2023, this mission aims to explore the metallic asteroid 16 Psyche. We delve into the challenges faced by mission managers and discuss potential solutions to ensure the spacecraft continues on its path to unravel the mysteries of planetary cores.
www.spacetimewithstuartgary.com
✍️ Episode References
Astronomical Journal
https://iopscience.iop.org/journal/0004-637X
NASA Perseverance Rover
https://mars.nasa.gov/mars2020/
NASA Psyche Mission
https://www.nasa.gov/psyche
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 56 for broadcast on 9 May 2025
00:45 NASA's New Horizons spacecraft reveals a new ultraviolet map of the Milky Way
12:30 Mars Perseverance Rover continues its exploration of Jezero crater
18:15 NASA investigates issues with the Psyche spacecraft's electric propulsion system
22:00 Skywatch: May night skies and celestial events -
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NordVPN - For the special SpaceTime NordVPN deal with extra free months, a huge discount and 30 day money back guarantee visit www.nordvpn.com/stuartgaryInsta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacetime", available for the first 30 standard package purchases only.This episode of SpaceTime dives deep into the cosmos, revealing groundbreaking insights into the origins of heavy elements and the geological history of Mars.First, we explore a revolutionary study that uncovers how giant exploding stars produce uranium and other heavy elements. Researchers are now investigating gamma-ray burst jets and the surrounding cocoon formed by collapsed stars. This new framework suggests that high-energy photons can dissolve stellar material into neutrons, leading to the creation of heavy elements through a rapid neutron capture process. We discuss the implications of these findings and how they challenge long-held beliefs about nucleosynthesis in the universe.Shattering Beliefs About Asteroid Vesta
Next, we turn our attention to the asteroid Vesta, where a recent study published in Nature Astronomy reveals that its interior structure is far more uniform than previously thought. This discovery has led scientists to reconsider Vesta's identity, proposing that it may simply be a large asteroid rather than a protoplanet. We examine the research that challenges decades of assumptions about Vesta's formation and its role in understanding the early solar system.Did It Rain or Snow on Ancient Mars?
Finally, we investigate the ancient climate of Mars, with a new study suggesting that geological formations on the planet were shaped by heavy precipitation, indicating a warmer and wetter past. This research utilizes computer simulations to analyze how rain and snow may have contributed to the development of Martian valleys and channels. We discuss the significance of these findings and their implications for our understanding of Mars's climatic history.www.spacetimewithstuartgary.com
✍️ Episode References
Astrophysical Journal
https://iopscience.iop.org/journal/0004-637X
Nature Astronomy
https://www.nature.com/natureastronomy/
Journal of Geophysical Research Planets
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.
00:00 New study provides clues explaining how exploding stars produce uranium and other heavy elements
06:21 New study suggests giant asteroid Vesta is really just a big asteroid
15:19 New study suggests heavy precipitation likely fed valleys on ancient Mars
19:49 A new study warns that microplastic pollution could compromise ocean carbon
22:17 More than 31,000 passwords belonging to Australian banks have been stolen
24:47 Space Time is available every Monday, Wednesday and Friday through bitesz.com -
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This episode of SpaceTime explores fascinating new discoveries and urgent updates from the cosmos.First, astronomers have identified a vast molecular gas and dust cloud named Eos, located just 300 light years away from Earth. This remarkable finding, published in the journal Nature Astronomy, marks the first detection of a molecular cloud using far ultraviolet emissions of molecular hydrogen. Eos, which is composed primarily of hydrogen, presents unique opportunities for studying the interstellar medium and the processes of star formation. We discuss the implications of this discovery and how it could reshape our understanding of molecular clouds across the galaxy.Jupiter's Polar Cyclones Under the Microscope
Next, we delve into the latest revelations from NASA's Juno mission, which is providing new insights into Jupiter's ferocious polar cyclones and the volcanic activity on its moon Io. With fresh observations, scientists are uncovering the dynamics of Jupiter's atmosphere and the subsurface temperature profile of Io, shedding light on the gas giant's extreme weather patterns and the moon's geological activity.Out of Control Russian Spacecraft
Finally, we discuss the impending re-entry of the Venera 8 spacecraft, a remnant of the Soviet era, which is expected to crash back to Earth on May 10. Launched in 1972, this spacecraft has been tumbling in low Earth orbit for over five decades. We examine the risks associated with its uncontrolled descent and the potential impact it may have upon re-entry.www.spacetimewithstuartgary.com
✍️ Episode References
Nature Astronomy
https://www.nature.com/natureastronomy/
NASA Juno Mission
https://www.nasa.gov/mission_pages/juno/main/index.html
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 54 for broadcast on the 5th May, 2025
00:48 Astronomers have discovered a vast invisible molecular, gas and dust cloud near Earth
12:40 Two key experiments are needed to help us understand the origin of Jupiter
15:42 A failed Soviet spacecraft designed to land on Venus is about to crash on Earth
19:00 New study claims people who use cannabis have higher risk of heart attack
21:12 New study claims ghost lanterns in South Carolina may be caused by earthquakes -
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In this episode of SpaceTime, we uncover groundbreaking discoveries and updates from the cosmos. First, NASA's Curiosity Rover has revealed evidence of a carbon cycle on Mars, with significant carbon deposits found in Gale Crater. This finding, detailed in the journal Science, brings researchers closer to understanding Mars's potential to support life in its past. We discuss the implications of these findings and what they mean for the Red Planet's climatic history and habitability.
Square Kilometer Array Update
Next, we provide an exciting update on the billion-dollar Square Kilometer Array (SKA) project, the world's largest radio telescope currently under construction in Australia and South Africa. We explore how this massive facility will revolutionize our understanding of the universe, operating at unprecedented speeds and sensitivities. With 132,000 antennas spread over vast distances, the SKA aims to answer fundamental questions about gravity, magnetism, and the evolution of galaxies.
Busy Times at the International Space Station
Finally, we take a look at the bustling activity aboard the International Space Station. With recent crew returns and new cargo deliveries, including groundbreaking experiments on time measurement and gravitational research, the ISS continues to be a hub of scientific advancement. We discuss the latest missions and what they mean for future exploration and research in space.
www.spacetimewithstuartgary.com
✍️ Episode References
Science
https://www.science.org/
Square Kilometer Array
https://www.skao.int/
NASA
https://www.nasa.gov/
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 53 for broadcast on 2 May 2025
00:25 NASA's Mars Curiosity Rover finds evidence of a carbon cycle on the Red Planet
03:51 Construction works well advanced on world's largest radio telescope, the SKA
07:40 Scientists are building the world's largest radio telescope to probe the deep universe
10:40 Three crew members from the International Space Station have successfully returned to Earth
13:44 Previous studies suggested H5N1 bird flu could spread easily between mammals
16:33 Australian Skeptics has debunked 15 popular supernatural claims
20:00 Some of the things people take seriously have since been proved to Be fake
24:23 Haunted locations are always dangerous. Are ghosts always dangerous? -
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In this episode of SpaceTime, we delve into the mysterious absence of river deltas on Titan, Saturn’s largest moon. Despite having rivers of methane and ethane, a new study published in the Journal of Geophysical Research Planets reveals that Titan is largely devoid of these geological features, raising intriguing questions about its unique processes and history. We discuss the implications of this finding and what it means for our understanding of Titan's climate and geological past.
Volcanic History of Mars
Next, we explore groundbreaking research from NASA's Perseverance rover, which has uncovered a diverse array of iron-rich volcanic rocks in Jezero Crater. This study, reported in Science Advances, provides fresh insights into Mars's geological history and its potential to have supported ancient life. The findings reveal complex volcanic processes that may have occurred on the Red Planet, enhancing our understanding of its habitability.
Rare Earth Metals in Exoplanet Atmosphere
Finally, we celebrate the discovery of rare Earth metals in the atmosphere of Kelt 9b, one of the hottest known exoplanets. Astronomers have detected vaporized elements such as sodium, magnesium, and the rare Earth metals scandium and yttrium, marking a significant milestone in exoplanet research. This discovery opens new avenues for understanding the atmospheres of distant worlds and their unique compositions.
www.spacetimewithstuartgary.com
✍️ Episode References
Journal of Geophysical Research Planets
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Science Advances
https://www.science.org/journal/sciadv
Astronomy and Astrophysics
https://www.aanda.org/
NASA
https://www.nasa.gov/
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 52 for broadcast on 30 April 2025
00:46 Scientists are looking for Titan's missing river deltas
06:02 NASA's Mars Perseverance Rover is analyzing Martian volcanic rocks
10:17 Astronomers have discovered rare Earth metals in the atmosphere of a hot exoplanet
17:58 People who were conceived during colder seasons store fat differently, study finds
20:25 YouTube is celebrating its 20th birthday with some interesting stats
22:16 Google to launch Android 16 three or four months earlier than Apple's iOS -
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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 Mars
Next, 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 Success
Finally, 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.com
✍️ Episode References
Scientific Reports
https://www.nature.com/srep
NASA
https://www.nasa.gov/
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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 Mars
Next, 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 Shower
Additionally, 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 2025
00:49 New evidence on the origins of Earth's water
06:30 Analysis of the enstatite chondrite meteorite
12:15 The mystery of Mars's magnetic field
18:00 Implications of a partially molten Martian core
22:45 Overview of the Lyrids meteor shower
27:00 Summary of recent astronomical findings
30:15 Science report: Health risks linked to food additives
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✍️ Episode References
Icarus
https://www.journals.elsevier.com/icarus
Geophysical Research Letters
https://agupubs.onlinelibrary.wiley.com/journal/19449224
NASA
https://www.nasa.gov/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
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/spacetime
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NASA's Lucy Mission, Neutrino Mass Breakthrough, and Martian Rock Discoveries
In 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 Mass
Next, 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 Outcrops
Additionally, 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 2025
00:49 Lucy spacecraft's close encounter with asteroid Donaldjohanson
06:30 Insights into the asteroid's formation and geology
12:15 New upper limit established for neutrino mass
18:00 Implications for particle physics and the standard model
22:45 Mars Perseverance rover's discoveries on Jezero Crater
27:00 Summary of recent planetary exploration findings
30:15 Science report: Weather extremes and lab-grown chicken nuggets
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✍️ Episode References
Science Journal
https://www.science.org
Planetary Science Journal
https://www.planetarysciencereview.com
NASA
https://www.nasa.gov
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
Hints of Alien Life, a Galactic Mystery, and Juno's Safe Mode Incident
In 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 Universe
Next, 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 Mode
Additionally, 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 2025
00:49 Potential biosignatures detected on K2 18 b
06:30 Implications for the search for extraterrestrial life
12:15 Discovery of an ancient spiral galaxy in the early universe
18:00 Challenges to current galaxy formation models
22:45 Juno spacecraft enters safe mode after anomaly
27:00 Summary of recent astronomical discoveries
30:15 Science report: Health benefits of sauerkraut and lunar dust solar panels
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✍️ Episode References
Astrophysical Journal Letters
https://iopscience.iop.org/journal/0004-637X
Nature Astronomy
https://www.nature.com/nature-astronomy/
Applied and Environmental Microbiology
https://aem.asm.org/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
Exploring Uranus's Rotational Secrets, New Crew at the ISS, and the Dangers of Space Travel
In 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 Station
Next, 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 Space
Additionally, 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 2025
00:49 Hubble's measurements of Uranus's rotational rate
06:30 Implications for future planetary research
12:15 New crew arrival at the ISS aboard Soyuz MS-27
18:00 Overview of the crew's mission and experiments
22:45 Dangers of human spaceflight and health impacts
27:00 Summary of recent space exploration news
30:15 Science report: Lab-grown meat flavor innovations
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✍️ Episode References
Nature
https://www.nature.com
NASA
https://www.nasa.gov
Nature Communications
https://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. -
SpaceTime Series 28 Episode 46
The Astronomy, Space and Science News Podcast
Unraveling Black Hole Jets, Martian Dust Devils, and Earth's Tectonic Mysteries
In this episode of SpaceTime, we explore groundbreaking research that sheds light on how black holes generate their powerful plasma jets. A new study reveals that these jets are formed when superheated gas experiences a rapid shrinking towards the black hole's event horizon, offering insights into galaxy evolution and the fundamental physics of black holes. We discuss the implications of these findings for understanding cosmic phenomena and the behavior of matter in extreme gravitational fields.
NASA's Mars Perseverance Rover Observes Martian Twisters
Next, we delve into the fascinating observations made by NASA's Mars Perseverance Rover, which has captured images of dust devils swirling on the rim of Jezero Crater. These dust devils, including one consuming another, provide important data on Martian atmospheric conditions and help refine our climate models of the Red Planet. The rover's findings highlight the role of these phenomena in influencing Martian weather and surface interactions.
New Insights into Earth's Tectonic Plates
Additionally, we discuss a new study that uncovers how anomalies in the Earth's mantle transition zone affect the movement of tectonic plates. The research suggests that thick basaltic rock compositions within this zone can influence the trajectory and speed of subducting plates, which is vital for understanding the recycling of surface materials and the long-term stability of Earth's climate. This discovery opens new avenues for studying plate tectonics and its implications for our planet's habitability.
00:00 Space Time Series 28 Episode 46 for broadcast on 16 April 2025
00:49 Mechanisms behind black hole jet formation
06:30 Implications for galaxy evolution and black hole physics
12:15 Mars Perseverance Rover's dust devil observations
18:00 Importance of dust devils in Martian climate studies
22:45 Insights into Earth's tectonic plate movement
27:00 Summary of recent geological findings
30:15 Science report: Social media's impact on body image
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✍️ Episode References
Publications of the Astronomical Society of Japan
https://www.jstage.jst.go.jp/browse/pasj
Nature
https://www.nature.com
PLOS One
https://journals.plos.org/plosone/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
(00:00:00) Lunar Water Disparities Explored, Asteroid 2024 YR4's Moonbound Journey
(00:00:46) Lunar Water Differences
(00:03:47) Asteroid 2024 YR4: From Earth Threat to Lunar Target
(00:06:33) Singing Stars and Galactic History
(00:18:56) The Science Report
(00:25:11) Show Wrap
SpaceTime Series 28 Episode 45
The Astronomy, Space and Science News Podcast
Uncovering Lunar Water Discrepancies, Asteroid 2024 YR4's Moon Targeting, and Stellar Seismology Insights
In this episode of SpaceTime, we delve into the intriguing findings from China's Chang'e 6 sample return mission, which reveal that the Moon's far side is significantly drier than its near side. This discovery sheds light on the geochemical differences between the two hemispheres and offers fresh perspectives on lunar evolution and the implications for the Moon's origin.
Asteroid 2024 YR4: From Earth Threat to Lunar Target
Next, we track the journey of asteroid 2024 YR4, which initially garnered attention as a potential Earth impactor. However, new observations indicate that this 60-meter-wide asteroid is now on a collision course with the Moon, raising the likelihood of an impact to 3.5%. We discuss its unique characteristics and the ongoing studies aimed at understanding its origins and physical properties.
Singing Stars and Galactic History
Additionally, we explore how stellar seismology is revealing the evolutionary history of stars in the open cluster Messier 67. By analyzing the oscillations of these stars, astronomers can map the history of the Milky Way and gain insights into stellar evolution. This innovative approach provides a deeper understanding of the life cycles of stars and their contributions to galactic archaeology.
00:00 Space Time Series 28 Episode 45 for broadcast on 14 April 2025
00:49 Findings from Chang'e 6 about lunar water distribution
06:30 Implications for lunar evolution and origin theories
12:15 Asteroid 2024 YR4's trajectory and characteristics
18:00 Transition from Earth impactor to Moon target
22:45 Stellar seismology insights from Messier 67
27:00 Summary of recent astronomical discoveries
30:15 Science report: Genetic engineering and the dire wolf
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✍️ Episode References
Nature
https://www.nature.com
Astrophysical Journal Letters
https://iopscience.iop.org/journal/0004-637X
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. - Visa fler
