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24 MAR 2025 · SpaceTime Series 28 Episode 36
The Astronomy, Space and Science News Podcast
Space Tornadoes Discovered in the Milky Way's Core, SpaceX's Starship to Undertake a Mission to Mars Next Year, and Stranded Astronauts Finally Return Home After Nine Months in Space
In this episode of SpaceTime, we explore the astonishing discovery of enormous space tornadoes swirling in the Milky Way's central core. Astronomers have unveiled these spectacular formations, detected using the Atacama Large Millimeter/submillimeter Array (ALMA), which reveal the dynamic processes surrounding the supermassive black hole Sagittarius A*. We discuss the implications of this find for our understanding of the galaxy's central molecular zone and the mechanisms driving material circulation within it.
SpaceX's Ambitious Mars Mission
We also cover SpaceX's plans for its Starship rocket, which is set to undertake its first mission to Mars next year. Elon Musk outlines the ambitious timeline for human colonization of the red planet, with unmanned missions paving the way for human exploration as early as 2029. We delve into the current status of the Starship program and its significance for future lunar and Martian endeavors.
Return of Stranded Astronauts
Additionally, we celebrate the safe return of NASA astronauts who were stranded aboard the International Space Station for nine months due to delays with Boeing's Starliner spacecraft. The crew's return aboard a SpaceX Dragon capsule marks the end of a dramatic saga that began with Starliner's initial launch. We recount the challenges faced by the astronauts and the implications for future crewed missions.
00:00 Space Time Series 28 Episode 36 for broadcast on 24 March 2025
00:49 Discovery of space tornadoes in the Milky Way
06:30 Implications for the central molecular zone
12:15 Overview of SpaceX's Mars mission plans
18:00 Status of the Starship program and its future
22:45 Return of stranded astronauts from the ISS
27:00 Summary of recent space exploration developments
30:15 Discussion on the impact of sleep patterns on mental health
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✍️ Episode References
Journal of Astronomy and Astrophysics
https://www.aanda.org/
NASA
https://www.nasa.gov/
SpaceX
https://www.spacex.com/
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24 MAR 2025 · SpaceTime S28E36 S28E37 S28E38 w/c March 24, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 36 *Space tornadoes discovered around the Milky Way's core Astronomers have discovered enormous space tornadoes swirling through the Milky Way's central core. *Starship to undertake Mars mission next year SpaceX boss Elon Musk says he’s massive interplanetary transport rocket Starship should be ready to undertake its first mission to Mars next year and if successful humans could follow as soon as 2029. *Stranded astronauts finally return home After being stuck in space for nine months the crew of Boeing’s trouble plagued Starliner spacecraft have finally returned to Earth aboard a SpaceX Dragon capsule. *The Science Report Confirmation that 2024 was the first year to be more than 1.5°Celsius above the pre-industrial levels. A new study warns that night owls could be at higher risk of depression. Scientists discover the fossilized remains of a new species of fish that lived 15 million years ago. Skeptics guide to physiognomy SpaceTime Series 28 Episode 37 *New exoplanet candidate discovery Astronomers have located a potential new exoplanet. The new planetary candidate catalogued as TOI-2818C is estimated to be 10-16 times the size of Earth, with an orbital period less than 16 Earth days. *New study claims Dark Energy could evolve over cosmic time New data suggests that the mysterious force known as Dark Energy may be evolving -- changing how it will affect the ultimate fate of the universe. *Claims the Moon’s magnetic field lasted longer than expected New data released by Beijing from its Chang'e-6 sample return mission to the far side of the Moon has shown evidence of what appears to have been a significant resurgence in the Moon's magnetic field some 2.8 billion years ago. *The Science Report Study warns that sugary drinks may increase a women's risk of mouth cancer. A new study claims agricultural drought is likely to become harder to predict as the world heats up. Less than half of claims about ADHD symptoms in popular TikTok videos align with clinical standards. Alex on Tech next generation TVs. SpaceTime Series 28 Episode 38 *A deep new view of the dark Universe The European Space Agency’s Euclid mission has released new data looking at how the Universe’s rate of expansion is accelerating under the mysterious force of Dark Energy. *China to have humans on the Moon by 2030 China says it will land its first taikonauts on the Moon by 2030. Beijing says research and development efforts towards that goal are progressing as scheduled. *NASA launches its EZIE mission to study Earth’s Auroral lights from orbit A new mission by NASA to study the Earth’s spectacular Auroral lights has just launched into orbit. *The Science Report A new study claims married men are three times more likely to be obese compared to bachelors. Scientists discover that the rare Carnaby's cockatoo can live to the ripe old age of 35. Scientists find people with big feet are more likely to also have a more cube-like heel bone. Skeptics guide to astrology in the 6 O clock news https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Ben Montet from the University of Nedw South Wales And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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22 MAR 2025 · SpaceTime Series 28 Episode 35 - Bounus Full Unedited Inteview
The Astronomy, Space and Science News Podcast
Unveiling the World's Oldest Meteor Impact Crater, Insights into Earth's Ancient History, and the Role of Impacts in Life's Origins
In this episode of SpaceTime, we delve into the groundbreaking discovery of the world's oldest known meteor impact crater, located in the North Pole Durham region of Western Australia. Dating back an astonishing 3.5 billion years, this ancient structure challenges previous assumptions about Earth's geological history and the origins of life. We discuss the implications of this significant find, as researchers believe it could reshape our understanding of crust formation and the environmental conditions that may have fostered early microbial life.
Shatter Cones and Ancient Impacts
Join us as we explore the evidence provided by shatter cones—distinctive rock formations that form under the immense pressure of a meteor strike. The discovery of these features, alongside the crater's massive size, suggests that such impacts were not only common but also played a crucial role in shaping the early Earth. We examine how these ancient events could have influenced the development of cratons and the mineral wealth found in regions like Western Australia.
Impacts and the Evolution of Life
Additionally, we discuss how these impact events may have created environments conducive to life, such as hot water pools rich in mineral nutrients. The episode highlights the importance of recognising the role of giant impacts in Earth's history and how they may have contributed to the emergence of life as we know it today.
00:00 Space Time Series 28 Episode 35 for broadcast on 21 March 2025
00:49 Discovery of the world's oldest meteor impact crater
06:30 Implications for Earth's geological history
12:15 Overview of shatter cones and their significance
18:00 The role of impacts in crust formation
22:45 Insights into the origins of life on Earth
27:00 Summary of recent geological findings
30:15 Discussion on the importance of recognising ancient impact craters
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✍️ Episode References
Nature Communications
https://www.nature.com/naturecommunications/
Geological Society of Western Australia
https://www.gswa.wa.gov.au/
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Transcribed
21 MAR 2025 · SpaceTime Series 28 Episode 35
The Astronomy, Space and Science News Podcast
Discovery of a New Planetary System, Stable Trio of Icy Worlds in the Kuiper Belt, and the Fascinating Concept of White Holes
In this episode of SpaceTime, we delve into the groundbreaking discovery of a nearby planetary system orbiting Barnard's Star, the second closest star system to the Sun. Located just 5.96 light years away, this system comprises four small planets, each 20 to 30% the mass of Earth, revealing new insights into the potential for life beyond our solar system. We discuss the significance of these findings and the advanced techniques used to confirm their existence, including the innovative Maroon X instrument.
Exploring the Kuiper Belt
We also explore the remarkable discovery of a stable trio of small frozen worlds in the Kuiper Belt, cataloged as the Algiera system. This intriguing find, made using data from NASA's Hubble Space Telescope and the Keck Observatory, could potentially be only the second three-body system identified in this remote region, challenging existing theories about how such formations occur.
Theoretical White Holes
Additionally, we dive into the fascinating hypothesis suggesting that black holes may transition into white holes, ejecting matter and energy back into the universe. This revolutionary idea, rooted in quantum mechanics, opens up new possibilities for understanding the nature of black holes and the fundamental workings of the universe.
00:00 Space Time Series 28 Episode 35 for broadcast on 21 March 2025
00:49 Discovery of a planetary system around Barnard's Star
06:30 Significance of the findings and the Maroon X instrument
12:15 Overview of the Algiera system in the Kuiper Belt
18:00 Implications for our understanding of Kuiper Belt objects
22:45 Theoretical concepts of white holes and their significance
27:00 Summary of recent astronomical discoveries
30:15 Discussion on health risks associated with slushy drinks
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✍️ Episode References
Astrophysical Journal Letters
https://iopscience.iop.org/journal/2041-8205
Planetary Science Journal
https://www.springer.com/journal/11038
Physical Review Letters
https://journals.aps.org/prl/
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Transcribed
19 MAR 2025 · SpaceTime Series 28 Episode 34
The Astronomy, Space and Science News Podcast
Supernovae's Role in Mass Extinctions, NASA's Stellar Mapping Mission, and New Moons of Saturn
In this episode of SpaceTime, we explore a fascinating new study suggesting that nearby supernovae could have triggered at least two of Earth's mass extinction events. These violent stellar explosions may have stripped away the ozone layer, exposing life to harmful ultraviolet radiation and leading to significant ecological upheaval. We delve into the implications of these findings and how they reshape our understanding of Earth's history.
Nasa's SPHEREx Mission
We also discuss NASA's successful launch of the SPHEREx mission, designed to map the entire celestial sky in unprecedented detail. This mission aims to create a three-dimensional map of over 450 million galaxies, utilizing advanced spectroscopy techniques to analyze infrared light and uncover the mysteries of cosmic inflation and the ingredients necessary for life.
Saturn's Expanding Moon Family
Additionally, astronomers have made an exciting discovery of 128 new moons orbiting Saturn, bringing its total to 274. These tiny moonlets, likely remnants of larger captured moons, offer insights into the history and evolution of the Saturnian system.
00:00 Space Time Series 28 Episode 34 for broadcast on 19 March 2025
00:49 Supernovae and mass extinction events
06:30 The role of supernovae in Earth's history
12:15 Overview of NASA's SPHEREx mission
18:00 Spectroscopy and cosmic inflation studies
22:45 Discovery of new moons around Saturn
27:00 Summary of recent astronomical findings
30:15 Discussion on dietary changes in Australia by 2030
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✍️ Episode References
Monthly Notices of the Royal Astronomical Society
https://academic.oup.com/mnras
NASA
https://www.nasa.gov/
Planetary Science Journal
https://www.planetarysciencejournal.com/
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Transcribed
17 MAR 2025 · SpaceTime Series 28 Episode 33
The Astronomy, Space and Science News Podcast
World's Oldest Meteor Impact Crater, Water Ice on the Moon, and the Secretive X37B Shuttle Returns
In this episode of SpaceTime, we unveil the discovery of the world's oldest known meteor impact crater located in Western Australia. This ancient structure, dating back 3.5 billion years, was identified in the Pilbara region and challenges previous notions about Earth's geological history and the origins of life. We discuss the implications of this significant find, including its potential to reshape our understanding of crust formation and the environments conducive to early microbial life.
Water Ice on the Moon
We also delve into exciting new research suggesting that water ice may be found just centimeters below the lunar surface across a much larger area of the Moon's polar regions than previously believed. Based on observations from India's Chandrayaan 3 mission, these findings could greatly influence future lunar exploration and habitation efforts, highlighting the potential for accessible sources of water ice.
The X37B Space Shuttle's Secret Mission
Additionally, we cover the return of the United States Space Force's X37B space shuttle after a classified 434-day mission. The shuttle's successful landing at Vandenberg Space Force Base marks another milestone in its ongoing operations, which include specialized testing and reconnaissance in orbit. We explore the implications of this mission for national security and the future of space operations.
00:00 Space Time Series 28 Episode 33 for broadcast on 17 March 2025
00:49 Discovery of the world's oldest meteor impact crater
06:30 Implications for Earth's geological history
12:15 Overview of potential water ice locations on the Moon
18:00 Findings from the Chandrayaan 3 mission
22:45 Return of the X37B space shuttle
27:00 Summary of recent scientific developments
30:15 Discussion on advancements in HIV prevention
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✍️ Episode References
Nature Communications
https://www.nature.com/naturecommunications/
Communications Earth and Environment
https://www.nature.com/commsenv/
NASA
https://www.nasa.gov/
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17 MAR 2025 · SpaceTime S28E33 S28E34 S28E35 w/c March 17, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 33 *World’s oldest meteor impact crater found in Western Australia Scientists have uncovered the world’s oldest meteor impact crater in Western Australia. Remnants of the ancient three and a half billion year old structure were discovered in the North Pole Dome region of the Pilbara in the state’s north. *More potential locations for ice on Moon A new study suggests that water ice may be present just a few centimetres below the lunar surface over far more areas of the Moon’s polar regions than previously thought. *The super secret X-37B space shuttle returns to Earth following its latest mission The United States Space Force’s highly secretive X-37B space shuttle has returned to Earth following a classified 434 day orbital mission. *The Science Report A once-a-year injection to prevent HIV may be a step closer. Scientists say last year’s record breaking high sea temperatures were not unexpected. Palaeontologists find rare dinosaur footprints hiding in plain sight at a Queensland high school. SpaceTime Series 28 Episode 34 *Could violent supernovae have triggered at least two of Earth’s mass extinction events A new study suggests that nearby exploding stars known as supernovae may have been violent enough to have triggered two of Earth’s known Mass Extinction Events. *NASA launches its latest new stellar mapping mission to study the galaxy NASA has successfully launched its new SPHEREx stellar mapping mission. Sharing the ride was NASA’s PUNCH mission to map the region where the Sun’s outer atmosphere transitions to the solar wind. *128 new moons discovered orbiting Saturn Astronomers have just found an additional 128 moons orbiting the ringed world of Saturn. The new discoveries bring the Saturnian systems total confirmed count to 274. *The Science Report A new study suggests that both starting and quitting drinking booze has effects on cholesterol levels. Crocodiles in Australia’s Top End are eating nine times more now than they did back in the 1970s. A new study warns that by the year 2030 the Australian diet will include even more junk food. Alex on Tech: Palestinian terrorists launch major cyber attacks against X. SpaceTime Series 28 Episode 35 *Discovery of another neighbouring planetary system Astronomers have discovered a nearby planetary system orbiting Barnard’s Star, the second nearest star system to the Sun. *A stable trio of small worlds discovered in the dark outer reaches of the solar system Astronomers have discovered a stable trio of small worlds in the dark outer reaches of the solar system's Kuiper Belt. *Could science fiction’s White Holes be a real thing? A new hypothesis suggests black holes may transition into so called white holes, ejecting matter and potentially even time into the universe. *The Science Report A new study warns that slushie sickness could be a real problem for kids. Scientists have found the earliest reported fossil of a human face in Western Europe. There are growing warnings that butterfly populations are in alarming decline. Skeptics guide to sound healing. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Tim Johnson from Curtin University SPHEREX principal investigator Jamie Bock from NASA JPL Caltech SPHEREX Deputy Project Manager Beth Fabinsky NASA JPL SPHEREX Galaxy Formation Lead Asantha Coory UC Uvine SPHEREX Interstellar Ices Lead Gary Melnick Harvard and Smithsonian Centre for Astrophysics Punch Mission Scientist Nicholeen Viall NASA Goddard Punch Principal Investigator Craig Deforest Southwest research institute And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
Transcribed
14 MAR 2025 · SpaceTime Series 28 Episode 32
The Astronomy, Space and Science News Podcast
Martian Minerals Indicating Ancient Life, World's Most Powerful Gamma Ray Observatory, and Ariane 6 Rocket Operations Begin
In this episode of SpaceTime, we explore groundbreaking findings from NASA's Perseverance rover, which has discovered unusual rocks on Mars' Jezero crater rim, hinting at the possibility of ancient life. The rocks, rich in kaolinite, typically form in warm, wet environments, suggesting that Mars may have once hosted conditions suitable for life. We delve into the implications of these findings and what they reveal about the planet's watery past.
Advancements in Gamma Ray Astronomy
We also discuss the European Commission's green light for the construction of the Cherenkov Telescope Array Observatory, projected to become the world's most powerful gamma ray observatory. This ambitious project aims to vastly expand our understanding of high-energy astronomical phenomena, potentially revealing the origins of gamma rays and their impact on galaxy formation and evolution.
Europe's New Rocket Era
Additionally, we celebrate the successful launch of Europe's new Ariane 6 rocket, marking a significant milestone in the continent's space capabilities. This mission, which deployed the French CSO 3 reconnaissance satellite, signifies a return to independent access to space for Europe, following a series of delays and challenges.
00:00 Space Time Series 28 Episode 32 for broadcast on 14 March 2025
00:49 Discovery of kaolinite rocks on Mars
06:30 Implications for ancient Martian life
12:15 Overview of the Cherenkov Telescope Array Observatory
18:00 Advancements in gamma ray astronomy
22:45 Successful launch of the Ariane 6 rocket
27:00 Summary of significant scientific developments
30:15 Discussion on recent studies in environmental science
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✍️ Episode References
NASA
https://www.nasa.gov/
Communications Earth and Environment
https://www.nature.com/commsenv/
Geology
https://www.geosociety.org/geoabstracts/
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12 MAR 2025 · Full Interview Bonus
The Astronomy, Space and Science News Podcast
Evidence of Ancient Martian Oceans, Insights from Zhurong Rover, and Implications for Life on Mars
In this bonus interview from SpaceTime, we delve into the groundbreaking findings from China's Zhurong Mars rover, which has confirmed the existence of ancient ocean beaches in the northern hemisphere of Mars. Recent studies published in the Proceedings of the National Academy of Sciences reveal that ground-penetrating radar aboard the rover has identified sedimentary rock layers that strongly suggest the presence of ancient shorelines, painting a picture of a once habitable environment with sun-soaked beaches and gentle waves. Hear the full episode.
The Martian Coastal Landscape
We explore how the radar data reveals a layered structure similar to foreshore deposits found on Earth, indicating a dynamic interface of air and water. This discovery is pivotal as it suggests that Mars was once a much warmer and wetter place than its current arid state, potentially supporting microbial life in its ancient past. The rover's ability to image subsurface geology provides unprecedented insights into Mars' environmental evolution over millions of years.
Implications for Life on Mars
The episode also discusses the significance of these findings in the context of astrobiology. The presence of ancient shorelines raises exciting questions about the potential for life on Mars, particularly in coastal environments where conditions may have been favorable for the development of life. We examine how this new data challenges previous notions of Mars' climatic history and opens up new avenues for exploration and research into the planet's past.
00:00 Space Time Series 28 Episode 31 for broadcast on 12 March 2025
00:49 Overview of Zhurong Mars rover findings
06:30 Evidence of ancient ocean beaches on Mars
12:15 Ground-penetrating radar insights and implications
18:00 Comparison with Earth's coastal deposits
22:45 The potential for ancient life in Martian environments
27:00 Future exploration and research directions
30:15 The significance of astrobiology in Martian studies
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✍️ Episode References
NASA
https://www.nasa.gov/
Proceedings of the National Academy of Sciences
https://www.pnas.org/
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Transcribed
12 MAR 2025 · SpaceTime Series 28 Episode 31
The Astronomy, Space and Science News Podcast
Beaches on Mars, Water's Early Emergence in the Universe, and Voyager's Power Conservation
In this episode of SpaceTime, we delve into the groundbreaking confirmation by China's Zhurong Mars rover, which has revealed that ancient ocean beaches once graced Mars' northern hemisphere. Using advanced ground-penetrating radar, scientists have discovered sedimentary structures resembling Earth's coastal deposits, suggesting that the Red Planet once harbored a significant body of water, potentially creating habitable environments for microbial life.
Water's Early Role in the Universe
We also discuss a new study indicating that water may have formed in the universe much earlier than previously thought, just 100 to 200 million years after the Big Bang. This discovery suggests that habitable planets could have begun forming before the first galaxies, with primordial supernovae playing a crucial role in producing the necessary oxygen for water molecules.
Navigating Voyager's Future
Additionally, we cover NASA's difficult decision to turn off several scientific instruments aboard the Voyager spacecraft to conserve energy and extend their missions. With Voyager 1 and 2 now over 23 and 19 light hours away from Earth, respectively, these measures are essential to prolonging the iconic spacecraft's ability to collect unique data from interstellar space.
00:00 Space Time Series 28 Episode 31 for broadcast on 12 March 2025
00:49 Confirmation of ancient beaches on Mars
06:30 Implications for Martian habitability
12:15 Water's early emergence in the universe
18:00 Role of supernovae in water formation
22:45 Voyager spacecraft power conservation efforts
27:00 Overview of the latest scientific studies
30:15 Discussion on gender differences in romantic relationships
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✍️ Episode References
NASA
https://www.nasa.gov/
Proceedings of the National Academy of Sciences
https://www.pnas.org/
Nature Astronomy
https://www.nature.com/natureastronomy/
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24 MAR 2025 · SpaceTime S28E36 S28E37 S28E38 w/c March 24, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 36 *Space tornadoes discovered around the Milky Way's core Astronomers have discovered enormous space tornadoes swirling through the Milky Way's central core. *Starship to undertake Mars mission next year SpaceX boss Elon Musk says he’s massive interplanetary transport rocket Starship should be ready to undertake its first mission to Mars next year and if successful humans could follow as soon as 2029. *Stranded astronauts finally return home After being stuck in space for nine months the crew of Boeing’s trouble plagued Starliner spacecraft have finally returned to Earth aboard a SpaceX Dragon capsule. *The Science Report Confirmation that 2024 was the first year to be more than 1.5°Celsius above the pre-industrial levels. A new study warns that night owls could be at higher risk of depression. Scientists discover the fossilized remains of a new species of fish that lived 15 million years ago. Skeptics guide to physiognomy SpaceTime Series 28 Episode 37 *New exoplanet candidate discovery Astronomers have located a potential new exoplanet. The new planetary candidate catalogued as TOI-2818C is estimated to be 10-16 times the size of Earth, with an orbital period less than 16 Earth days. *New study claims Dark Energy could evolve over cosmic time New data suggests that the mysterious force known as Dark Energy may be evolving -- changing how it will affect the ultimate fate of the universe. *Claims the Moon’s magnetic field lasted longer than expected New data released by Beijing from its Chang'e-6 sample return mission to the far side of the Moon has shown evidence of what appears to have been a significant resurgence in the Moon's magnetic field some 2.8 billion years ago. *The Science Report Study warns that sugary drinks may increase a women's risk of mouth cancer. A new study claims agricultural drought is likely to become harder to predict as the world heats up. Less than half of claims about ADHD symptoms in popular TikTok videos align with clinical standards. Alex on Tech next generation TVs. SpaceTime Series 28 Episode 38 *A deep new view of the dark Universe The European Space Agency’s Euclid mission has released new data looking at how the Universe’s rate of expansion is accelerating under the mysterious force of Dark Energy. *China to have humans on the Moon by 2030 China says it will land its first taikonauts on the Moon by 2030. Beijing says research and development efforts towards that goal are progressing as scheduled. *NASA launches its EZIE mission to study Earth’s Auroral lights from orbit A new mission by NASA to study the Earth’s spectacular Auroral lights has just launched into orbit. *The Science Report A new study claims married men are three times more likely to be obese compared to bachelors. Scientists discover that the rare Carnaby's cockatoo can live to the ripe old age of 35. Scientists find people with big feet are more likely to also have a more cube-like heel bone. Skeptics guide to astrology in the 6 O clock news https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Ben Montet from the University of Nedw South Wales And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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22 MAR 2025 · SpaceTime Series 28 Episode 35 - Bounus Full Unedited Inteview
The Astronomy, Space and Science News Podcast
Unveiling the World's Oldest Meteor Impact Crater, Insights into Earth's Ancient History, and the Role of Impacts in Life's Origins
In this episode of SpaceTime, we delve into the groundbreaking discovery of the world's oldest known meteor impact crater, located in the North Pole Durham region of Western Australia. Dating back an astonishing 3.5 billion years, this ancient structure challenges previous assumptions about Earth's geological history and the origins of life. We discuss the implications of this significant find, as researchers believe it could reshape our understanding of crust formation and the environmental conditions that may have fostered early microbial life.
Shatter Cones and Ancient Impacts
Join us as we explore the evidence provided by shatter cones—distinctive rock formations that form under the immense pressure of a meteor strike. The discovery of these features, alongside the crater's massive size, suggests that such impacts were not only common but also played a crucial role in shaping the early Earth. We examine how these ancient events could have influenced the development of cratons and the mineral wealth found in regions like Western Australia.
Impacts and the Evolution of Life
Additionally, we discuss how these impact events may have created environments conducive to life, such as hot water pools rich in mineral nutrients. The episode highlights the importance of recognising the role of giant impacts in Earth's history and how they may have contributed to the emergence of life as we know it today.
00:00 Space Time Series 28 Episode 35 for broadcast on 21 March 2025
00:49 Discovery of the world's oldest meteor impact crater
06:30 Implications for Earth's geological history
12:15 Overview of shatter cones and their significance
18:00 The role of impacts in crust formation
22:45 Insights into the origins of life on Earth
27:00 Summary of recent geological findings
30:15 Discussion on the importance of recognising ancient impact craters
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✍️ Episode References
Nature Communications
https://www.nature.com/naturecommunications/
Geological Society of Western Australia
https://www.gswa.wa.gov.au/
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17 MAR 2025 · SpaceTime S28E33 S28E34 S28E35 w/c March 17, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 33 *World’s oldest meteor impact crater found in Western Australia Scientists have uncovered the world’s oldest meteor impact crater in Western Australia. Remnants of the ancient three and a half billion year old structure were discovered in the North Pole Dome region of the Pilbara in the state’s north. *More potential locations for ice on Moon A new study suggests that water ice may be present just a few centimetres below the lunar surface over far more areas of the Moon’s polar regions than previously thought. *The super secret X-37B space shuttle returns to Earth following its latest mission The United States Space Force’s highly secretive X-37B space shuttle has returned to Earth following a classified 434 day orbital mission. *The Science Report A once-a-year injection to prevent HIV may be a step closer. Scientists say last year’s record breaking high sea temperatures were not unexpected. Palaeontologists find rare dinosaur footprints hiding in plain sight at a Queensland high school. SpaceTime Series 28 Episode 34 *Could violent supernovae have triggered at least two of Earth’s mass extinction events A new study suggests that nearby exploding stars known as supernovae may have been violent enough to have triggered two of Earth’s known Mass Extinction Events. *NASA launches its latest new stellar mapping mission to study the galaxy NASA has successfully launched its new SPHEREx stellar mapping mission. Sharing the ride was NASA’s PUNCH mission to map the region where the Sun’s outer atmosphere transitions to the solar wind. *128 new moons discovered orbiting Saturn Astronomers have just found an additional 128 moons orbiting the ringed world of Saturn. The new discoveries bring the Saturnian systems total confirmed count to 274. *The Science Report A new study suggests that both starting and quitting drinking booze has effects on cholesterol levels. Crocodiles in Australia’s Top End are eating nine times more now than they did back in the 1970s. A new study warns that by the year 2030 the Australian diet will include even more junk food. Alex on Tech: Palestinian terrorists launch major cyber attacks against X. SpaceTime Series 28 Episode 35 *Discovery of another neighbouring planetary system Astronomers have discovered a nearby planetary system orbiting Barnard’s Star, the second nearest star system to the Sun. *A stable trio of small worlds discovered in the dark outer reaches of the solar system Astronomers have discovered a stable trio of small worlds in the dark outer reaches of the solar system's Kuiper Belt. *Could science fiction’s White Holes be a real thing? A new hypothesis suggests black holes may transition into so called white holes, ejecting matter and potentially even time into the universe. *The Science Report A new study warns that slushie sickness could be a real problem for kids. Scientists have found the earliest reported fossil of a human face in Western Europe. There are growing warnings that butterfly populations are in alarming decline. Skeptics guide to sound healing. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Tim Johnson from Curtin University SPHEREX principal investigator Jamie Bock from NASA JPL Caltech SPHEREX Deputy Project Manager Beth Fabinsky NASA JPL SPHEREX Galaxy Formation Lead Asantha Coory UC Uvine SPHEREX Interstellar Ices Lead Gary Melnick Harvard and Smithsonian Centre for Astrophysics Punch Mission Scientist Nicholeen Viall NASA Goddard Punch Principal Investigator Craig Deforest Southwest research institute And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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12 MAR 2025 · Full Interview Bonus
The Astronomy, Space and Science News Podcast
Evidence of Ancient Martian Oceans, Insights from Zhurong Rover, and Implications for Life on Mars
In this bonus interview from SpaceTime, we delve into the groundbreaking findings from China's Zhurong Mars rover, which has confirmed the existence of ancient ocean beaches in the northern hemisphere of Mars. Recent studies published in the Proceedings of the National Academy of Sciences reveal that ground-penetrating radar aboard the rover has identified sedimentary rock layers that strongly suggest the presence of ancient shorelines, painting a picture of a once habitable environment with sun-soaked beaches and gentle waves. Hear the full episode.
The Martian Coastal Landscape
We explore how the radar data reveals a layered structure similar to foreshore deposits found on Earth, indicating a dynamic interface of air and water. This discovery is pivotal as it suggests that Mars was once a much warmer and wetter place than its current arid state, potentially supporting microbial life in its ancient past. The rover's ability to image subsurface geology provides unprecedented insights into Mars' environmental evolution over millions of years.
Implications for Life on Mars
The episode also discusses the significance of these findings in the context of astrobiology. The presence of ancient shorelines raises exciting questions about the potential for life on Mars, particularly in coastal environments where conditions may have been favorable for the development of life. We examine how this new data challenges previous notions of Mars' climatic history and opens up new avenues for exploration and research into the planet's past.
00:00 Space Time Series 28 Episode 31 for broadcast on 12 March 2025
00:49 Overview of Zhurong Mars rover findings
06:30 Evidence of ancient ocean beaches on Mars
12:15 Ground-penetrating radar insights and implications
18:00 Comparison with Earth's coastal deposits
22:45 The potential for ancient life in Martian environments
27:00 Future exploration and research directions
30:15 The significance of astrobiology in Martian studies
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✍️ Episode References
NASA
https://www.nasa.gov/
Proceedings of the National Academy of Sciences
https://www.pnas.org/
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
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10 MAR 2025 · SpaceTime S28E30 S28E31 S28E32 w/c March 10, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 30 *Scientists match Earth’s ice age cycles with orbital shifts Scientists have discovered a predictable pattern for the timing between Earth's glacial and interglacial periods with changes in the planet’s orbit. *Another Starship crash and burn SpaceX have experienced another Starship failure with the test flight exploding in the skies over the Caribbean just seconds before achieving orbit insertion. *Ghosts on the Moon There’s a new lander on the surface of the Moon. But two other lunar missions are in trouble. *The Science Report New study proves that vaping won’t help you quit smoking. Warnings that COVID-19 is likely to be more severe and more deadly than either flu or RSV. Ancient humans may have been producing bone tools one and a half million years ago. Skeptics guide to the pseudoscience of telepathy. SpaceTime Series 28 Episode 31 *Confirmation of beaches on Mars Grab your surfboard, China’s Zhurong Mars rover confirms that ocean beaches once covered the red planet’s northern hemisphere. *Water appeared earlier in the history of the universe than thought A new study has shown that water – essential for life as we know it – could have emerged far earlier in the history of the universe than previously thought. *NASA forced to turn off instruments aboard the Voyager spacecraft NASA has been forced to turn off two science instruments aboard the Voyager spacecraft. *The Science Report A new study has destroyed the common stereotype… that Women are more romantic than men. Doctors use electroshock therapy on kids with ADHD. Claims that eating walnuts for breakfast could improve brain function. Alex on Tech: Apples new i-pad. SpaceTime Series 28 Episode 32 *Martian minerals hint at the possibility of ancient life NASA's Mars Perseverance rover has discovered a rock on the red planet Jezero Crater rim that usually only forms in warm wet environments that support life. *World’s most powerful gamma ray observatory gets the green light Europe has given the go ahead for work to proceed on building the world’s most powerful gamma ray observatory. *Europe’s new Ariane 6 rocket begins operations Europe has successfully launched the first commercial mission using their new Ariane 6 rocket. *The Science Report Massive ancient glaciers may have paved the way for complex life to evolve. The few remaining koalas in the Sydney region facing an imminent risk of death. How the eruption of Mount Vesuvius turned a victim’s brain into glass. Skeptics guide to Ross Coulthart’s latest UFO scoop. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Aaron Cavosie from Curtin University And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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3 MAR 2025 · SpaceTime S28E27 S28E28 S28E29 w/c March 3, 2025 Space, Astronomy and Science Podcast. Series 28 Episode 27 *Asteroid 2024 YR4 no longer a threat to Earth A bit of good news to start the show with new observations having all but completely ruled out any possibility of asteroid 2024 YR4 hitting the Earth. *What is the Martian core made of Data from NASA’s Mars InSight lander mission suggests the red planet has a liquid core similar to Earth’s outer core, but new research suggests the red planet’s core may be at least partly solid. *NASA’s latest Moon mission underway NASA's latest Commercial Lunar Payload Services initiative mission is on its way to the Moon’s south pole. *The Science Report Study claims the Atlantic Meridional Overturning Circulation could withstand global warming. Scientists find evidence of the earliest known community of humans living in an African rainforest. Archaeologist discover the tomb of an Egyptian pharaoh – the first since Tutankhamun. Skeptics guide to the secrets of Skinwalker ranch Series 28 Episode 28 *How the Solar system's journey through Orion may have altered Earth's climate A new study suggests planet Earth’s climate may have undergone profound change 14 million years ago when our solar system migrated through the Orion star forming region. *Have scientists been wrong about why Mars is red? A new study suggests the Red Planet’s iconic rusty dust has a much wetter history than previously thought. *Europa Clipper swoops past Mars NASA's Europa Clipper has successfully completed a close gravity assist flyby of the Red Planet Mars as it continues on its journey to the solar system’s largest planet Jupiter. *The Science Report The Antarctic Circumpolar Current projected to slow down due to climate change. New research suggests that it might be time to reassess the current treatment of prostate cancer. Researchers find that an hour spent in front of screens increases kids' risk of myopia. Alex on Tech new generative-AI infused Alexa Series 28 Episode 29 *Jupiter's moon Callisto could be another ocean world As astronomers explore more and more of the outer solar system they’re finding that ocean worlds appear to be quite common and now there’s another they can add to the growing list – the Jovian moon Callisto. *Using lasers to identify ancient life on Mars A new study suggests that lasers could be used to try and identify the fossils of ancient microbial life on the red planet Mars. *Getting dirty in orbit A new study suggests the International Space Station’s cleanliness might be making its crew sick. *March Skywatch The March equinox, the constellations of Taurus the bull and Leo the Lion, and don’t forget it’s almost 3.14159 – that’s Pi day. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Tohera Allan NASA Intuitive Machines communication manager Josh Marshall Dr Jackie Quinn NASA prime 1 project manager Intuitive Machines space systems Trent Martin Europa Clipper project Scientist Robert Pappalardo Europa Clipper deputy project Scientist Bonnie Buratti Europa Clipper staff Scientist Kate Craft Johns Hopkins Applied Physics Laboratory Europa Clipper staff Scientist Erin Leonard Europa Clipper investigative Scientist Shawn Brooks And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics Jonathan Nally from Sky and Telescope Magazine 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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26 FEB 2025 · The Astronomy, Space and Science News Podcast
Asteroid 2024 YR4's Impact Probability, Planetary Defense Insights, and the Nature of Asteroids
In this episode of SpaceTime, we delve into the concerning update regarding asteroid 2024 YR4, which now has a 3.1% chance of impacting Earth on December 22, 2032. This episode explores the implications of this increased risk, as this asteroid, measuring between 40 to 90 meters, has become one of the most threatening space rocks observed in modern astronomy. We discuss the asteroid's trajectory, its upcoming returns in 2028, and the potential impact zones that could be affected.
Understanding Planetary Defense Strategies
We also examine the current state of planetary defense strategies following NASA's DART mission, which successfully demonstrated the ability to redirect an asteroid. Professor Fred Jourdan from Curtin University shares insights into the challenges of deflecting asteroids, emphasizing the importance of understanding their structure—whether they are solid rock or a rubble pile—and the implications for mitigation techniques.
The Potential Consequences of an Impact
The episode further discusses the potential consequences of an asteroid impact, likening it to the detonation of a powerful nuclear bomb, with the capacity to level a city. We explore the statistical likelihood of an impact being in populated areas versus the ocean, and the ethical considerations surrounding asteroid deflection methods.
00:00 Space Time Series 28 Episode 25 for broadcast on 28 February 2025
00:49 Update on asteroid 2024 YR4's impact probability
06:30 Implications of the asteroid's trajectory and potential impact zones
12:15 Insights from NASA's DART mission and planetary defense
18:00 Challenges in asteroid deflection and structure considerations
22:45 Potential consequences of an impact on Earth
27:00 Discussion on the need for dedicated asteroid missions
30:15 The psychological impact of asteroid threats on humanity
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✍️ Episode References
NASA
https://www.nasa.gov/
Planetary Science Journal
https://www.mdpi.com/journal/psj
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/19448007
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24 FEB 2025 · SpaceTime S28E24 S28E25 S28E26 w/c February 24, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 24 *City killer asteroid 2024 YR4 now has a 3.1 percent chance of impacting the Earth NASA says there’s now a 3.1 percent chance of Asteroid 2024 YR4 slamming into the Earth on December 22nd 2032. *Looking at the origins of the Moon’s Grand Canyons A new study has concluded that two gigantic canyons on the Moon were carved by streams of impacting rocks within just 10 minutes. *NASA's stranded astronauts to come home earlier NASA astronauts Suni Williams, Butch Wilmore who have been stranded aboard the International Space Station since June could return home earlier than originally planned. *The Science Report After seven months of waiting, La Niña has finally arrived in the eastern Pacific. Claims that if you lose your sense of taste in adulthood, you may be at risk of dying prematurely. Palaeontologists have re-written the evolution of dinosaurs in Australia. Skeptics guide to slapping therapy SpaceTime Series 28 Episode 25 *Physicists discover two arrows of time emerging from the quantum realm Physicists have found evidence for what appears to be two arrows of time emerging from the quantum realm. *Perseverance finds new kinds of rocks that could be the oldest ever found on Mars NASA’s Mars Perseverance rover has discovered some new kinds of rocks on the rim of Jezero Crater which may be the oldest material ever found on the red planet. *How NASA's Lunar Trailblazer will make a looping voyage to the Moon NASA's Lunar Trailblazer has now been integrated into its SpaceX Falcon 9 rocket in preparation for its two year mission to search for water ice on the Moon. *The Science Report Claims that aspartame is increasing the risk of heart attacks and stroke. Study claims that 5.8 per cent of Australians now identify as LGBT+. One in ten Australians say they’ve used ChatGPT to ask medical questions. Alex on Tech iphone 16e SpaceTime Series 28 Episode 26 *Asteroid Ryugu samples suggest salty water in outer solar system Following the recent discovery of salts in samples from the asteroid Bennu, scientists have now also detected signs of salt water on the asteroid Ryugu. *Solar Orbiter ready for a close encounter with Venus The European Space Agency is preparing to guide the joint ESA/NASA Solar Orbiter spacecraft through its closest encounter with Venus so far. *NASA's polar ice experiment paves way for future manned moon missions NASA's Polar Resources Ice Mining Experiment-1 or PRIME-1mission is preparing to explore the moon's subsurface and analyze where lunar resources may reside. *The Science Report Study claims night owl have a higher likelihood of developing type 2 diabetes. Glaciers worldwide are losing ice at a faster rate, with ice loss increasing 36% over the last ten years. Dogs trained to use soundboards to "talk" are capable of making two-word button combinations. Skeptics guide to water fluoridation. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests include: Professor Fred Jourdan from the School of Earth and Planetary Sciences at Curtin University NASA's Lunar Trailblazer Mission scientist Kerri Donaldson Hanna from the University of Central Florida NASA PRIME-1 Project Manager Jackie Quinn And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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17 FEB 2025 · SpaceTime S28E21 S28E22 S28E23 w/c February 17, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 21 *New research suggests the Earth’s inner core is less solid than thought A new study has found that the Earth inner core is undergoing structural transformation and may be less solid than previously thought. *China’s new Lunar South Pole mission in search of water ice Beijing says it’s on track to launch its Chang'e 7 mission next year in search for water ice deposits at the lunar south pole. *A hot Jupiter’s insights into the three body problem Astronomers have analysed data from a newly-discovered massive planet on an extreme orbit to understand how ‘hot Jupiter’ planets form. *The Science Report 2024 was the first year with average temperatures greater than 1.5 degrees above pre-industrial levels. Australia’s Climate Statement finds 2024 was the second-hottest year since records began. Scientists find the best way to get your dog to pay attention. Skeptics guide to witchcraft. SpaceTime Series 28 Episode 22 *New Van Allen radiation belts discovered around Earth Scientists discover that last May’s giant solar storm created two new temporary radiation belts of extreme energetic particles encircling Earth. *Could an alien ocean hide signs of alien life A new study warns that searching for life signs in alien oceans may be more difficult than previously thought, even when you’re able to directly sample its extraterrestrial waters. *The largest radio jet ever seen in the early universe Astronomers have discovered the largest radio jet ever detected in the early universe. *The Science Report Study warns the active ingredient in Ozempic and Wegovy can cause blindness. Claims AI has now crossed a critical 'red line' by demonstrating how they can clone themselves. New AI algorithm Torque Clustering, significantly improves how AI systems independently learn. Alex on tech: SpaceTime Series 28 Episode 23 *Was Snowball Earth a global event Geologists have uncovered strong evidence that massive glaciers covered Earth all the way from the poles down to the equator hundreds of millions of years ago. *Blue Origin experiences a parachute failure during its lunar gravity mission Blue Origin's New Shepard has experienced a sight malfunction during an unmanned suborbital flight for NASA designed to simulate lunar gravity. *The Moon Illusion Have you ever wondered by the Moon always looks bigger when it’s near the horizon. *The Science Report New study on how to help kids with peanut allergies. Using gene-edited pig kidneys in human transplants. New study suggests that like cats, wolves may have domesticated themselves. Skeptics guide to the Great Lakes Triangle https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests includes: Dr Jaime A Alvarado-Montes from Macquarie University Associate Professor Christian Schwab from Macquarie University NASA Cassini Project Scientist Linda Spilker NASA Cassini Magnetometer Principal Investigator Michele Dougherty NASA scientist Ernie Wright And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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10 FEB 2025 · SpaceTime S28E18 S28E19 S28E20 w/c February 10, 2025 Space, Astronomy and Science Podcast. SpaceTime Series 28 Episode 18 *Asteroid 2024 YR4 threat level raised NASA has dramatically increased the threat level posed by the recently discovered near-Earth asteroid 2024 YR4. NASA's Jet Propulsion Laboratory in Pasadena California says the space rock now has a one in 43 or 2.3 percent chance of hitting the Earth on December 22nd 2032. *A new test for mysterious dark matter Scientists are working on an ambitious new dark matter experiment in space in the hope it can unravel one of the universe's greatest mysteries. *Martian lava rocks shed light on critical period of red planet's history A new study suggests that the Martian crust was built up by widespread volcanism rather than the volcanic hotspot remnants which dot the red planet’s surface today. *The Science Report Study shows micro and nano-plastics accumulate at higher levels in the brain than the kidney and liver. Another study fails to find any connection between cell phone use and cancer. The new strain of rice that emits 70% less methane without compromising yield. Skeptics guide to Jane Goodall’s Bigfoot claims. SpaceTime Series 28 Episode 19 *When water arrived on Earth A new study has concluded water did not arrive as early during Earth’s formation as previously thought. *The Allure of Searles Lake Salts A look at the links between Searles Lake in the Mojave Desert and the near Earth asteroid Bennu. *Meteoroid impacts may play a bigger role in triggering marsquakes A new study suggests that meteoroid impacts on Mars create seismic waves that cause the red planet to shake more strongly and deeply than previously thought. *The Science Report Men's height and weight have increased by more than double the rate of women over the last 120 years. Discovery of the fossilized skull of an ancient duck that lived at the time of the dinosaurs. Scientists have finally discovered the best way to boil an egg. Alex on Tech Deep Seek banned SpaceTime Series 28 Episode 20 *New discoveries challenge long-held theories about Earth’s missing elements A new study is revealing a surprising twist in the story of Earth’s formation 4.6 billion years ago. *Trench-like features on Uranus's moon Ariel may be windows to its interior A new study has raised the possibility that giant trench-like features on Uranus's moon Ariel may be windows to its interior. *Comet Atlas destined to die As we predicted last month Comet G3 ATLAS is dying after it swooped too close to the Sun causing its nucleus to break apart. *February SkyWatch The constellation of Orion the Hunter, the red supergiant Betelgeuse getting ready to go supernova, the Pleiades open star cluster, and the spectacular Magellanic clouds are among the highlights of the February night skies on SkyWatch. https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/ This week’s guests includes: Tim Fuchs from the University of Southampton And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics Jonathan Nally from Sky and Telescope Magazine 🌏 Get Our Exclusive NordVPN deal here ➼ http://www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌
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.
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