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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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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.

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✍️ Episode References
Scientific Reports
https://www.nature.com/srep
NASA
https://www.nasa.gov/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.

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
and 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 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.