Afleveringen
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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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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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Zijn er afleveringen die ontbreken?
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SpaceTime Series 28 Episode 30
The Astronomy, Space and Science News Podcast
Earth's Jessica Cycles, Starship's Latest Failure, and Lunar Landings in Trouble
In this episode of SpaceTime, we explore a groundbreaking discovery linking Earth's ice age cycles to its orbital shifts. Recent research indicates a predictable pattern for glacial and interglacial periods, suggesting the onset of the next ice age could occur in approximately 10,000 years. This insight stems from a million-year climate record that matches changes in Earth's orbit with significant climate shifts.
Starship's Crash and Burn
We also discuss the latest mishap involving SpaceX's Starship, which experienced a dramatic failure just seconds before achieving orbit. The test flight ended in a spectacular explosion over the Caribbean, prompting multiple investigations into the incident. This marks the second consecutive failure for SpaceX's ambitious rocket program, raising concerns about its future, particularly in relation to NASA's Artemis lunar missions.
New Developments on the Moon
Additionally, we report on the recent successful landing of Firefly Aerospace's Blue Ghost lander on the lunar surface, marking a milestone in commercial lunar exploration. However, not all lunar missions are faring well, as Intuitive Machines' IM2 lander appears to have landed on its side, echoing past failures. Meanwhile, NASA's Lunar Trailblazer has lost communication, raising further concerns about its operational status.
00:00 Space Time Series 28 Episode 30 for broadcast on 10 March 2025
00:49 Linking Earth's ice age cycles to orbital shifts
06:30 Predicting the next ice age
12:15 Overview of SpaceX's Starship crash
18:00 Implications for NASA's Artemis program
22:45 Successful landing of Blue Ghost on the Moon
27:00 Challenges faced by IM2 and Lunar Trailblazer missions
30:15 Study on vaping and smoking cessation
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✍️ Episode References
NASA
https://www.nasa.gov
Journal of the American Medical Association
https://jamanetwork.com/journals/jama
Science
https://www.sciencemag.org/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 29
The Astronomy, Space and Science News Podcast
Exploring Callisto's Ocean Potential, Laser Fossil Detection on Mars, and ISS Cleanliness Concerns
In this episode of SpaceTime, we dive into exciting new research suggesting that Jupiter's moon Callisto may harbor a subsurface ocean, potentially making it another ocean world in our solar system. This revelation builds on data from NASA's Galileo spacecraft, which hinted at the presence of a salty liquid water ocean beneath Callisto's icy crust. Advanced modeling techniques have strengthened these claims, setting the stage for further exploration by NASA's Europa Clipper and ESA's Juice missions.
Lasers on Mars: Searching for Ancient Life
We also discuss innovative research that proposes using lasers to identify ancient microbial fossils on Mars. Scientists have successfully detected microbial fossils in gypsum on Earth, raising hopes that similar techniques could uncover evidence of past life on the Red Planet. The findings suggest that gypsum deposits on Mars could conceal traces of ancient life, preserved in mineral formations that formed when water evaporated billions of years ago.
Health Implications of Sterility on the ISS
Additionally, we explore a new study indicating that the overly sterile environment of the International Space Station may be negatively impacting astronaut health. The research suggests that introducing a diverse range of microbes could potentially alleviate immune dysfunction and other health issues experienced by crew members during long missions in space.
00:00 Space Time Series 28 Episode 29 for broadcast on 7 March 2025
00:49 New findings on Callisto's potential subsurface ocean
06:30 Implications for future missions to Jupiter's moons
12:15 Using lasers to detect ancient life on Mars
18:00 Analysis of gypsum deposits and their significance
22:45 Concerns regarding ISS cleanliness and astronaut health
27:00 Overview of March's night sky and celestial events
30:15 Celebrating PI Day and its significance in astronomy
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✍️ Episode References
NASA
https://www.nasa.gov
AGU Advances
https://agupubs.onlinelibrary.wiley.com/journal/23335784
Cell
https://www.cell.com/
Frontiers in Astronomy and Space Sciences
https://www.frontiersin.org/journals/astronomy-and-space-sciences
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The Astronomy, Space and Science News Podcast
Earth's Climate Shaped by Orion, New Insights into Mars' Red Color, and NASA's Europa Clipper Mission Update
In this episode of SpaceTime, we explore a groundbreaking study suggesting that Earth's climate may have undergone significant changes around 14 million years ago due to our solar system's journey through the Orion star-forming region. Researchers propose that this passage may have compressed the heliosphere, increasing interstellar dust influx and potentially impacting Earth's climate and geological records.
Revisiting Mars' Iconic Hue
We also discuss new findings that challenge previous assumptions about why Mars is red. Recent research indicates that the planet's rusted appearance may be linked to a wetter history, with liquid water playing a crucial role in the formation of iron oxides. This revelation reshapes our understanding of Mars' habitability and environmental conditions in its ancient past.
NASA's Europa Clipper Mission
Additionally, we provide an exciting update on NASA's Europa Clipper mission, which has successfully completed a close gravity assist flyby of Mars. This maneuver not only altered the spacecraft's trajectory towards Jupiter but also allowed mission managers to test its radar instrument and thermal imager, setting the stage for its upcoming encounters with the icy moon Europa.
00:00 Space Time Series 28 Episode 28 for broadcast on 5 March 2025
00:49 Impact of the solar system's journey through Orion on Earth's climate
06:30 Details on the Radcliffe Wave and its significance
12:15 New insights into Mars' red color and history of water
18:00 Analysis of iron oxides and implications for Martian habitability
22:45 Overview of NASA's Europa Clipper mission and its flyby of Mars
27:00 The importance of gravity assists in space missions
30:15 Health implications of screen time on children's vision
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Communications
https://www.nature.com/ncomms
Astronomy and Astrophysics
https://www.aanda.org/
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SpaceTime Series 28 Episode 27
The Astronomy, Space and Science News Podcast
Asteroid 2024 YR4 Impact Risk Reduced, Insights into Mars' Core, and NASA's Lunar Mission Update
In this episode of SpaceTime, we bring you encouraging news about asteroid 2024 YR4, with new observations indicating that the chances of it impacting Earth have plummeted to just 0.001%. Initially flagged as a potential threat, this asteroid has been closely monitored, and the latest data from the Very Large Telescope has allowed astronomers to refine its orbit and rule out any collision risk for 2032.
Exploring the Martian Core
We also delve into a fascinating new study regarding the composition of Mars' core. Research suggests that while it may contain a liquid outer core, there could also be a solid inner core composed of iron and sulfur. This breakthrough could reshape our understanding of the Red Planet's geophysical properties and the role of lighter elements in its core.
NASA's Latest Lunar Mission
Additionally, we provide an update on NASA's latest lunar mission, which has successfully launched and is heading towards the Moon's south pole. The mission features the Intuitive Machines IM2 spacecraft, equipped with the Athena lunar lander and the Lunar Trailblazer orbiter, both designed to conduct groundbreaking research and resource utilization studies on the lunar surface.
00:00 Space Time Series 28 Episode 27 for broadcast on 3 March 2025
00:49 Update on asteroid 2024 YR4 impact probability
06:30 Importance of new observations from the Very Large Telescope
12:15 Insights into the Martian core composition
18:00 Research on solid inner core possibilities
22:45 Overview of NASA's lunar IM2 mission
27:00 Archaeological discovery of an ancient Egyptian pharaoh's tomb
30:15 Discussion on the cultural significance of the Skinwalker Ranch series
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Communications
https://www.nature.com/ncomms
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.
00:00 New observations have all but completely ruled out asteroid 2024 yr, uh 4 hitting Earth
00:49 New observations all but rule out asteroid 2020 yr 4 hitting Earth in 2032
04:23 New research suggests the Martian core may be at least partially solid
09:06 NASA's latest commercial lunar Payload Services Initiative mission launches on SpaceX rocket
12:48 The Prime One suite includes the Trident drill and the MSOLO spectrometer
18:03 This would be the second lunar landing for intuitive machines
21:22 Ocean currents may be able to withstand future global warming, study finds
23:10 Archaeologists have uncovered the tomb of an ancient Egyptian pharaoh
24:31 The History Channel Secret of Skinwalker Ranch is an alleged reality series -
SpaceTime Series 28 Episode 26
The Astronomy, Space and Science News Podcast
Asteroid Ryugu's Salty Secrets, Solar Orbiter's Venus Encounter, and NASA's Lunar Resource Exploration
In this episode of SpaceTime, we delve into the recent findings from the asteroid Richie, where scientists have discovered evidence of salt minerals, hinting at the presence of saline water in the outer solar system. This exciting revelation parallels previous discoveries from asteroid Bennu and enhances our understanding of the chemical history of these celestial bodies.
Europe's Solar Orbiter and Venus
We also explore the European Space Agency's Solar Orbiter spacecraft as it prepares for a close flyby of Venus. This maneuver will allow the spacecraft to adjust its orbit significantly, enabling unprecedented observations of the Sun's polar regions, which have remained elusive from Earth. The encounter will provide critical data to improve our understanding of solar activity and its impact on space weather.
NASA's Polar Ice Experiment
Additionally, we discuss NASA's Polar Resources Ice Mining Experiment (PRIME 1), which aims to analyze the Moon's subsurface for potential resources. This mission is pivotal for future manned lunar explorations under the Artemis program, as it seeks to identify local resources that can support sustained human presence on the Moon.
00:00 Space Time Series 28 Episode 26 for broadcast on 28 February 2025
00:49 Evidence of salt minerals in Richie samples
06:30 Implications for understanding outer solar system water
12:15 Solar Orbiter's close encounter with Venus
18:00 The significance of observing the Sun's polar regions
22:45 NASA's PRIME 1 mission and lunar resource exploration
27:00 Overview of recent findings on night owls and diabetes
30:15 The impact of glacier melting and climate change
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✍️ Episode References
NASA
https://www.nasa.gov
European Space Agency
https://www.esa.int
Nature Journal
https://www.nature.com/
Journal of Diabetes
https://www.diabetesjournals.org/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 25
The Astronomy, Space and Science News Podcast
Two Arrows of Time, Ancient Rocks on Mars, and NASA's Lunar Trailblazer Mission
In this episode of SpaceTime, we delve into a groundbreaking discovery by physicists revealing the possibility of two distinct arrows of time emerging from the quantum realm. This fascinating research challenges our conventional understanding of time, suggesting that it may not flow in just one direction, but could theoretically move both forwards and backwards under certain quantum conditions.
NASA's Perseverance Rover Finds Ancient Martian Rocks
We also highlight the latest findings from NASA's Perseverance rover, which has uncovered new types of rocks that may be the oldest material ever found on Mars. As the rover continues its Crater Rim campaign, it is providing critical insights into the geological history of the Red Planet and the potential for ancient habitable environments.
Countdown to NASA's Lunar Trailblazer Mission
Additionally, we preview the upcoming launch of NASA's Lunar Trailblazer mission, designed to search for water ice on the Moon. The mission aims to map the distribution and form of lunar water, contributing vital information for future manned and robotic missions to the Moon.
00:00 Space Time Series 28 Episode 25 for broadcast on 26 February 2025
00:49 Discovery of two arrows of time in quantum physics
06:30 Implications for our understanding of time
12:15 Perseverance rover's exploration of ancient Martian rocks
18:00 The significance of the Crater Rim campaign
22:45 Overview of NASA's Lunar Trailblazer mission
27:00 The importance of mapping lunar water resources
30:15 Health concerns linked to aspartame consumption
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✍️ Episode References
NASA
https://www.nasa.gov
Scientific Reports
https://www.nature.com/srep
Cell Metabolism
https://www.cell.com/cell-metabolism
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support. -
SpaceTime Series 28 Episode 24
The Astronomy, Space and Science News Podcast
Asteroid Impact Odds, Lunar Grand Canyons, and NASA's Stranded Astronauts
In this episode of SpaceTime, we discuss the alarming increase in the odds of asteroid 2024 YR4 impacting Earth, now estimated at 3.1% for December 22, 2032. This asteroid, measuring between 40 to 90 meters, poses a significant threat, and we delve into the implications of planetary defense strategies that could be employed to mitigate this risk.
The Origins of the Moon's Grand Canyons
We also explore new research that suggests the Moon's massive canyons, Vallis Schrodinger and Valles Plank, were carved out by asteroid impacts in a mere 10 minutes. This groundbreaking study provides insights into the Moon's geological history and will have important implications for future lunar missions, particularly the upcoming Artemis program.
NASA's Stranded Astronauts
Additionally, we cover the latest developments regarding NASA astronauts Sunita Williams and Butch Wiltmore, who have been stranded aboard the International Space Station since June 2024. With the potential for an earlier return home due to a change in SpaceX's Crew 10 mission schedule, we discuss the challenges they faced during their extended stay in orbit.
00:00 Space Time Series 28 Episode 24 for broadcast on 24 February 2025
00:49 Increased odds of asteroid 2024 YR4 impact
06:30 Implications for planetary defense strategies
12:15 The formation of lunar canyons from asteroid impacts
18:00 Insights from the Schrodinger impact basin study
22:45 NASA astronauts' potential early return to Earth
27:00 Overview of La Nina's arrival in the eastern Pacific
30:15 The implications of losing the sense of taste
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Communications
https://www.nature.com/ncomms/
NOAA
https://www.noaa.gov
Journal of the American Medical Association
https://jamanetwork.com/journals/jama
Journal of Vertebrate Paleontology
https://www.journals.uchicago.edu/journals/jvp
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support. -
SpaceTime Series 28 Episode 23
The Astronomy, Space and Science News Podcast
Snowball Earth Evidence, Blue Origin's Parachute Failure, and the Moon Illusion Explained
In this episode of SpaceTime, we dive into groundbreaking geological research that provides compelling evidence for the Snowball Earth hypothesis, suggesting that glaciers may have covered the planet from pole to pole hundreds of millions of years ago. This research reveals insights into Earth's climatic history and the emergence of multicellular life following this extreme glaciation event.
Blue Origin's Lunar Gravity Mission
We also discuss the recent Blue Origin mission, where the New Shepard spacecraft experienced a parachute failure during a lunar gravity simulation flight. Despite the malfunction, mission managers confirm that the capsule was designed to land safely with two parachutes, and investigations are underway to understand the issue.
The Moon Illusion: Why Does It Appear Larger on the Horizon?
Additionally, we explore the fascinating phenomenon known as the Moon illusion, which causes the Moon to appear larger when it is near the horizon compared to when it is high in the sky. We delve into the psychological and perceptual factors that contribute to this optical illusion, despite the Moon's actual size remaining constant.
00:00 Space Time Series 28 Episode 23 for broadcast on 21 February 2025
00:49 Evidence supporting the Snowball Earth hypothesis
06:30 Implications for Earth's climatic history
12:15 Blue Origin's lunar gravity mission details
18:00 Analysis of parachute failure during descent
22:45 The Moon illusion and its psychological explanations
27:00 Understanding optical illusions in astronomy
30:15 The self-domestication of wolves and its implications
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✍️ Episode References
NASA
https://www.nasa.gov
Proceedings of the National Academy of Sciences
https://www.pnas.org
New England Journal of Medicine
https://www.nejm.org
Royal Society B
https://royalsocietypublishing.org/journal/rspb
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-astronomy-science-news--2458531/support.
Show notes created by https://headliner.app
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SpaceTime Series 28 Episode 22
The Astronomy, Space and Science News Podcast
New Van Allen Radiation Belts, Alien Oceans and Signs of Life, and the Largest Black Hole Radio Jet Ever Detected
In this episode of SpaceTime, we uncover the discovery of two new temporary Van Allen radiation belts created by a massive solar storm that struck Earth in May 2024. This event not only produced stunning auroras but also highlighted the importance of understanding the dynamics of radiation belts for the safety of satellites and astronauts. The findings, reported by NASA's Colorado Inner Radiation Belt Experiment, reveal that these belts can last significantly longer than previously thought, with implications for future solar storms and spaceflight safety.
Searching for Life in Alien Oceans
We also explore the challenges of detecting signs of extraterrestrial life in the subsurface oceans of icy moons like Saturn's Enceladus. A new study suggests that the unique physics of these oceans could hinder the movement of biological signatures from deep waters to the surface, complicating the search for life beyond Earth. This research emphasizes the need to understand ocean dynamics in the search for life in our solar system.
The Largest Black Hole Radio Jet in the Early Universe
Additionally, astronomers have identified the largest radio jet ever seen in the early universe, spanning an astonishing 200,000 light years. This discovery sheds light on the formation of massive jets and quasars, providing crucial insights into the evolution of galaxies in the early cosmos. The quasar, which formed when the universe was just 9% of its current age, challenges previous assumptions about the conditions needed for such powerful jets to form.
00:00 Space Time Series 28 Episode 22 for broadcast on 19 February 2025
00:49 Discovery of new Van Allen radiation belts
06:30 Implications of the May solar storm
12:15 Challenges in detecting life in Enceladus's oceans
18:00 The significance of ocean dynamics in extraterrestrial life searches
22:45 The largest black hole radio jet ever observed
27:00 Understanding quasars and their impact on galaxy evolution
30:15 The implications of AI self-replication
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✍️ Episode References
NASA
https://www.nasa.gov
Geophysical Research Space Physics
https://agupubs.onlinelibrary.wiley.com/journal/19448007
Communications and Earth Environment
https://www.nature.com/ncomms/
Astrophysical Journal Letters
https://iopscience.iop.org/journal/2041-8205
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SpaceTime Series 28 Episode 21
The Astronomy, Space and Science News Podcast
Shifting Dynamics of Earth's Inner Core, China's Lunar South Pole Mission, and Insights into Hot Jupiter Exoplanets
In this episode of SpaceTime, we explore groundbreaking research revealing that Earth's inner core may be less solid than previously believed. A new study indicates that the near surface of the inner core is undergoing structural transformations, influenced by interactions with the turbulent outer core. This discovery provides fresh insights into the dynamics of Earth's core and its impact on the planet's magnetic field and rotation.
China's Chang'e 7 Mission: A Quest for Lunar Water Ice
We also discuss China's upcoming Chang'e 7 mission, set to launch next year, which aims to search for water ice at the lunar south pole. This mission will employ advanced technologies to locate and analyze water ice deposits, crucial for supporting future manned missions to the Moon and beyond. The Chang'e 7 mission will include an orbiter, lander, rover, and a mobile hopper designed for traversing shadowed craters.
Hot Jupiter Progenitor: New Discoveries in Exoplanet Research
Additionally, we delve into the fascinating discovery of a hot Jupiter exoplanet with an eccentric orbit, shedding light on the formation processes of these gas giants. The research indicates that this planet has likely been influenced by a binary star system, providing new evidence for the mechanisms behind hot Jupiter migration and evolution.
00:00 Space Time Series 28 Episode 21 for broadcast on 17 February 2025
00:49 New findings on Earth's inner core
06:30 Overview of China's Chang'e 7 mission
12:15 Insights from the discovery of a hot Jupiter exoplanet
18:00 Implications for planetary formation theories
22:45 The significance of lunar water ice for future missions
27:00 Understanding the dynamics of celestial bodies
30:15 The impact of climate change on global temperatures
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Geoscience
https://www.nature.com/ngeo/
Journal of Nature Climate Change
https://www.nature.com/nclimate/
Macquarie University
https://www.mq.edu.au
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SpaceTime Series 28 Episode 20
The Astronomy, Space and Science News Podcast
New Discoveries on Earth's Elements, Uranus's Moon Ariel, and the Fate of Comet Atlas
In this episode of SpaceTime, we delve into a groundbreaking study that challenges long-held beliefs about the origins of Earth's missing moderately volatile elements, such as copper and zinc. This research suggests that rather than being lost during the early formation of the solar system, these essential elements were likely retained by the first planetesimals and lost later due to violent cosmic collisions during planetary growth, reshaping our understanding of planetary chemistry and habitability.
Uranus's Moon Ariel: A Window to Its Interior
We also explore the fascinating trench-like features on Uranus's moon Ariel, which may serve as conduits for internal materials. New research indicates that these medial grooves could provide insights into Ariel's geological history and potential subsurface oceans, highlighting the complex interplay of tectonic and volcanic activities on the moon's surface.
Comet Atlas: A Dying Wonder
Additionally, we discuss the fate of Comet G3 Atlas, which has recently passed perilously close to the Sun, resulting in the fragmentation of its nucleus. As it fades from view, Atlas becomes a headless wonder, leaving behind a trail of debris that will continue to orbit the Sun. This episode also features a look at the stunning night skies of February, including the iconic constellations and celestial events to observe.
00:00 Space Time Series 28 Episode 20 for broadcast on 14 February 2025
00:49 New insights into Earth's missing elements
06:30 Trench-like features on Uranus's moon Ariel
12:15 The demise of Comet G3 Atlas
18:00 February night sky highlights
22:45 The constellation Orion and its myths
27:00 Exploring the Pleiades and other celestial wonders
30:15 The significance of the Milky Way in stargazing
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✍️ Episode References
NASA
https://www.nasa.gov
Science Advances
https://www.science.org/journal/sciadv
Planetary Science Journal
https://www.journals.elsevier.com/planetary-science-journal
Sky and Telescope
https://skyandtelescope.org
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SpaceTime Series 28 Episode 19
The Astronomy, Space and Science News Podcast
New Insights into Earth's Water, Asteroid Bennu's Composition, and Marsquake Triggers
In this episode of SpaceTime, we investigate a groundbreaking study that challenges previous beliefs about when water arrived on Earth. New findings suggest that water may have come in during the later stages of Earth’s formation, providing fresh perspectives on the origins of life on our planet. The study highlights the importance of molybdenum isotopes in understanding the timing of water delivery and the conditions necessary for life.
Searles Lake and Asteroid Bennu
We also explore the intriguing similarities between Searles Lake in California and the asteroid Bennu, as researchers find that both environments share common water-soluble minerals. The Osiris Rex mission has revealed that Bennu's samples contain evaporite minerals formed under wet conditions, shedding light on the potential for life-sustaining elements in our solar system's past.
Meteoroid Impacts and Marsquakes
Additionally, a new study indicates that meteoroid impacts may play a more significant role in triggering marsquakes than previously considered. Analyses from NASA's Mars InSight lander reveal that many seismic events on Mars could be linked to impacts, challenging existing assumptions about the planet's seismic activity.
00:00 Space Time Series 28 Episode 19 for broadcast on 12 February 2025
00:49 Water arrival on Earth
06:30 Searles Lake and asteroid Bennu
12:15 Meteoroid impacts and Marsquakes
18:00 Changes in men's height and weight
22:45 Discovery of ancient bird fossils in Antarctica
27:00 The best way to boil an egg
30:15 AI and national security concerns
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✍️ Episode References
NASA
https://www.nasa.gov
Geochemistry and Cosmochemistry
https://www.elsevier.com/journals/geochemistry-and-cosmochemistry
Nature
https://www.nature.com
Geophysical Research Letters
https://agupubs.onlinelibrary.wiley.com/journal/19448007
Biology Letters
https://royalsocietypublishing.org/journal/bl
Nature Communications
https://www.nature.com/ncomms/
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 18
The Astronomy, Space and Science News Podcast
Asteroid Threat Level Rusty, Dark Matter Experiment, and Martian Lava Rocks
In this episode of SpaceTime, we discuss the alarming increase in the threat level of near-Earth asteroid 2024 YR4, now assessed at a 2.3% chance of impacting Earth on December 22, 2032. With astronomers worldwide closely monitoring its trajectory, we explore the potential consequences of an impact from this asteroid, including the possibility of a catastrophic airburst or a significant surface collision.
New Dark Matter Experiment in Space
We also delve into an ambitious new experiment aimed at uncovering the mysteries of dark matter. Researchers are testing a device that could potentially detect dark matter by measuring tiny signals in a zero-gravity environment. This groundbreaking approach seeks to provide insights into the elusive substance that constitutes approximately 85% of the universe's mass.
Insights from Martian Lava Rocks
Additionally, we examine findings from NASA's Mars Perseverance Rover, which are shedding light on a critical period in Martian history. The analysis of igneous rocks in Jezero Crater suggests that the Martian crust was formed through widespread volcanism, offering a glimpse into the planet's geological evolution and its implications for understanding the early solar system.
00:00 Space Time Series 28 Episode 18 for broadcast on 10 February 2025
00:49 Increased threat from asteroid 2024 YR4
06:30 New dark matter detection experiment in space
12:15 Martian lava rocks and the history of the Red Planet
18:00 Microplastics accumulation in the human brain
22:45 WHO review on radio wave exposure and cancer
27:00 Genetically modified rice with reduced methane emissions
30:15 Jane Goodall's belief in Sasquatch and its implications
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✍️ Episode References
NASA
https://www.nasa.gov
Journal of Science Advances
https://www.science.org/journal/sciadv
Nature Medicine
https://www.nature.com/nm/
Molecular Plant
https://www.cell.com/molecular-plant/home
Australian Skeptics
https://www.skeptics.com.au
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 17
The Astronomy, Space and Science News Podcast
Volcanic Activity on Io, Ceres and the Building Blocks of Life, and New Exoplanet Search Technology
In this episode of SpaceTime, we explore the astonishing discovery of the largest volcanic hotspot ever observed on Jupiter's moon, Io. NASA's Juno mission reveals a feature that dwarfs Earth's Lake Superior and produces eruptions with six times the energy output of all the world's power plants. This unprecedented volcanic activity is driven by intense gravitational interactions with Jupiter, resulting in a dynamic landscape riddled with approximately 400 volcanoes.
The Mystery of Ceres' Organic Compounds
We also delve into new findings regarding the dwarf planet Ceres, where scientists have determined that organic deposits on its surface likely did not originate from its interior. Instead, these building blocks of life may have arrived through impacts from meteoroids, raising questions about the origins of life-sustaining compounds in our solar system.
Advancements in Exoplanet Detection Technology
Additionally, we discuss the latest advancements in technology designed to search for Earth-like exoplanets. The newly developed coronagraph for NASA's Nancy Grace Roman Space Telescope will significantly enhance our ability to directly image distant planets by blocking out starlight, paving the way for future missions aimed at identifying habitable worlds beyond our solar system.
00:00 Space Time Series 28 Episode 17 for broadcast on 7 February 2025
00:49 Discovery of a massive volcanic hotspot on Io
06:30 Insights into organic compounds on Ceres
12:15 New technology for exoplanet detection
18:00 Omega-3 fatty acids and biological aging
22:45 Infants' sense of smell development
27:00 Tasmania's tallest trees documented
30:15 Flat Earth theory and recent Antarctic explorations
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✍️ Episode References
NASA
https://www.nasa.gov
Nature
https://www.nature.com
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Journal of Astrobiology
https://www.journals.elsevier.com/astrobiology
Australian Journal of Biology
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SpaceTime Series 28 Episode 16
The Astronomy, Space and Science News Podcast
New Discoveries on the Moon, Venus Exploration, and Titan's Atmosphere
In this episode of SpaceTime, we delve into a groundbreaking study revealing that the Moon may not be as geologically inactive as previously believed. Observations of small ridges on the lunar far side suggest recent tectonic activity, indicating that the Moon's geological history is more dynamic than once thought. Researchers found that these features, formed within the last 200 million years, could have significant implications for future lunar missions.
NASA's Davinci Mission to Venus
We also discuss NASA's upcoming Davinci mission, set to explore the mysteries of Venus. This innovative mission will deploy a descent probe into the planet's thick atmosphere, capturing high-resolution images and analyzing its unique geological features, including the ancient Tesserae that may provide insights into Venus's past.
Understanding Titan's Atmosphere
Additionally, we explore new research on Saturn's moon Titan, which maintains its dense nitrogen-rich atmosphere through chemical reactions occurring deep beneath its surface. The findings suggest that Titan's atmosphere, which features liquid methane rain and a complex organic chemistry, is replenished by internal processes that have puzzled scientists since its discovery.
00:00 Space Time Series 28 Episode 16 for broadcast on 5 February 2025
00:49 New findings on the geological activity of the Moon
06:30 Overview of NASA's Davinci mission to Venus
12:15 How Titan maintains its atmosphere
18:00 Increase in temperature-related deaths in Europe
22:45 Discovery of magma chambers in dormant volcanoes
27:00 Creation of bipaternal mice using stem cell engineering
30:15 Overview of Deepseek AI chatbot
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✍️ Episode References
NASA
https://www.nasa.gov
Planetary Science Journal
https://www.elsevier.com/journals/planetary-science-journal
Geochemistry, Geophysics, Geosystems
https://agupubs.onlinelibrary.wiley.com/journal/15252027
Nature Medicine
https://www.nature.com/nm/
Nature Geoscience
https://www.nature.com/ngeo/
Cell Stem Cell
https://www.cell.com/cell-stem-cell/home
TechAdvice Life
https://www.techadvice.life/
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SpaceTime Series 28 Episode 15
The Astronomy, Space and Science News Podcast
Building Blocks of Life on Asteroid Bennu, New Asteroid Threat, and Lunar Dome Mission
In this episode of SpaceTime, we uncover groundbreaking discoveries from the asteroid Bennu, where scientists have detected the molecular building blocks of life in samples returned by NASA's Osiris Rex spacecraft. These findings indicate a rich history of salt water on Bennu, suggesting that the essential conditions for life may have been widespread throughout the early solar system. The analysis reveals 14 amino acids and five nucleobases, hinting at the potential for life beyond Earth.
A New Asteroid Threat to Earth
We also discuss the newly identified asteroid 2024 YR4, which poses a significant risk with a 1 in 83 chance of impact on December 22, 2032. This near-Earth object, measuring between 40 and 100 meters wide, has astronomers concerned due to its potential for causing a powerful airburst explosion or even a surface impact.
Investigating Mysterious Lunar Domes
Additionally, NASA is gearing up for a mission to explore the enigmatic Gruthusen domes on the Moon, as part of the Lunar Vice mission by Firefly Aerospace. This mission aims to unravel the origins of these dome-like structures and assess the Moon's volcanic history, providing insights into its evolution and potential resources for future exploration.
00:00 Space Time Series 28 Episode 15 for broadcast on 3 February 2025
00:49 Discovery of building blocks of life in Bennu samples
06:15 New asteroid threat 2024 YR4
12:30 NASA's Lunar Vice mission to study lunar domes
18:00 CIA assessment on COVID-19 origins
22:45 Elderberry juice and metabolic health
27:00 Feathered dinosaur tail preserved in amber
30:15 Link between UFO sightings and economic conditions
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✍️ Episode References
NASA
https://www.nasa.gov
Nature
https://www.nature.com
Nature Astronomy
https://www.nature.com/natureastronomy/
Current Biology
https://www.cell.com/current-biology/home
Journal of Nutrients
https://www.mdpi.com/journal/nutrients
Australian Skeptics
https://www.skeptics.com.au
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 14
The Astronomy, Space and Science News Podcast
Asteroid from the Moon, Lunar Landers, and Trump’s Mars Ambitions
In this episode of SpaceTime, we explore the intriguing discovery of a small asteroid, designated 2024 PT5, which is believed to be a fragment of the Moon ejected into space by a historic impact. This 10-meter wide near-Earth object offers new insights into both asteroid and lunar science, as researchers confirm its composition aligns closely with lunar rock samples.
Two Lunar Landers Launch for the Moon
SpaceX successfully launched two lunar landers, Firefly Aerospace's Blue Ghost and ispace's Resilience, as part of NASA's Commercial Lunar Payload Services program. These missions aim to deliver critical hardware to the Moon in preparation for a sustainable human presence under the Artemis program. Blue Ghost will conduct a variety of scientific experiments, including lunar subsurface drilling and thermal measurements, while Resilience will deploy a forward robotic micro rover to explore the lunar surface.
Trump's Vision for Mars
In a bold statement during his inauguration, US President Donald Trump pledged to plant the Stars and Stripes on Mars, reaffirming America’s commitment to space exploration. This ambitious goal aligns with SpaceX's plans to colonize the Red Planet, as both the US and China ramp up efforts for lunar and Martian exploration.
00:00 Space Time Series 28 Episode 14 for broadcast on 31 January 2025
00:49 Discovery of asteroid 2024 PT5 as a lunar fragment
06:30 Launch of Blue Ghost and Resilience lunar landers
12:15 President Trump's pledge to plant the flag on Mars
18:00 Risks associated with glucagon-like peptide 1 receptor agonists
22:45 New methods for zero carbon dioxide ammonia production
27:00 Discovery of the world’s oldest three-dimensional map
30:15 Concerns over unverified academic titles
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✍️ Episode References
NASA
https://www.nasa.gov
SpaceX
https://www.spacex.com
Astrophysical Journal Letters
https://iopscience.iop.org/journal/2041-8205
Nature Medicine
https://www.nature.com/nm/
Oxford Journal of Archaeology
https://academic.oup.com/ojl
Australian Skeptics
https://www.skeptics.com.au
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support. -
SpaceTime Series 28 Episode 13
Mysteries of Water on Mars and the Origins of Earth's Moon
In this episode of SpaceTime, we explore groundbreaking discoveries about the history of water on Mars. New research reveals thousands of mounds on the Martian northern plains, rich in clay minerals, indicating that this area was once submerged under a vast ocean. These findings, reported in Nature Geoscience, suggest that the mounds preserve a complete geological history of water on Mars, making them prime targets for future exploration missions searching for signs of past life.
Could the Moon be a Piece of Earth?
We also delve into a fascinating study proposing that the Moon could have formed from material ejected from the Earth's mantle rather than from the impact of a Mars-sized body, as previously thought. This new hypothesis, based on isotopic similarities between Earth and Moon samples, offers fresh insights into the origins of our lunar companion and the potential pathways for water to have reached Earth.
Establishing a Permanent Presence on the Moon
Additionally, we discuss the challenges and innovations required to establish a permanent human presence on the Moon as part of NASA's Artemis program. From 3D printing to robotics and artificial intelligence, experts outline the critical technologies needed to build infrastructure on the lunar surface and the hurdles that must be overcome to make this ambitious goal a reality.
00:00 Space Time Series 28 Episode 13 for broadcast on 29 January 2025
00:49 New evidence of ancient water on Mars
06:15 Could the Moon be a chunk of Earth?
12:30 Challenges of establishing a permanent lunar base
18:00 ADHD diagnosis linked to shorter lifespans
22:45 Catastrophic coral bleaching on the Great Barrier Reef
27:00 Blue rings in trees linked to volcanic eruptions
30:15 Samsung's new AI smartphones
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Geoscience
https://www.nature.com/ngeo/
Proceedings of the National Academy of Sciences
https://www.pnas.org/
University of Sydney
https://www.sydney.edu.au
British Journal of Psychiatry
https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry
Frontiers in Plant Science
https://www.frontiersin.org/journals/plant-science
TechAdvice
https://www.techadvice.life/
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