This episode is brought to you with the support of our sponsor, Incogni. To get your special Incogni deal visit www.incogni.com/spacetime (https://www.incogni.com/spacetime) . Incogni comes with a huge discount and a 30 day money back guarantee! Support the show and check them out. Don't share your data with anyone else unknowingly for another day. Get Inconi to fix it for you.

In this episode of SpaceTime, we explore the intriguing phenomena of coronal holes on the Sun and their significant impact on space weather. A new study published in Scientific Reports reveals how these magnetic windows are launching supersonic solar wind streams into the heliosphere, providing crucial insights for future solar monitoring missions like ESA's Vigil. We discuss the dangers posed by solar storms to Earth's infrastructure and how advanced forecasting can mitigate these risks.

Watery Past of Mars

Next, we uncover exciting findings from NASA's Perseverance rover, which suggest that Mars once had widespread water, as indicated by the presence of calcium sulfate minerals. Utilizing innovative X-ray backscattered diffraction techniques, scientists are piecing together the planet's geological history and its potential for past life.

NASA's Lucy Mission Success

Finally, we celebrate the successful flyby of the main belt asteroid Donaldjohanson by NASA's Lucy spacecraft. Captured images reveal its unique potato-like shape and complex geology, shedding light on the building blocks of our solar system. With future encounters on the horizon, Lucy aims to enhance our understanding of planetary formation.

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✍️ Episode References

Scientific Reports

https://www.nature.com/srep (https://www.nature.com/srep)

NASA

https://www.nasa.gov/ (https://www.nasa.gov/)

Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support (https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26837806?utm_source=youtube

In this episode of Astronomy Daily, join host Steve Dunkley and his witty digital companion Hallie as they explore the latest developments in space exploration and lunar research. From exciting lunar sample tours to innovative missions targeting Saturn's moon Titan, this episode is packed with cosmic news that will expand your horizons.

Highlights:

- Chang'e 5 Sample Tour: Discover the latest updates on China's Chang'e 5 lunar samples, which are set to tour universities across the United States. Learn about the international collaboration that allows institutions like Brown University and Stony Brook University to study these precious lunar materials.

- NASA's Dragonfly Mission: Dive into the details of NASA's groundbreaking Dragonfly mission, designed to explore Titan's potential for hosting life. With its recent critical design review passed, this nuclear-powered rotorcraft is gearing up for a launch that promises to revolutionize our understanding of extraterrestrial environments.

- Firefly Aerospace's Latest Launch: Get the scoop on Firefly Aerospace's upcoming Alpha rocket launch, carrying the Lockheed Martin LM400 satellite bus into polar orbit. This mission marks a significant step in Firefly's partnership with Lockheed Martin and showcases the capabilities of their innovative satellite technology.

- Insights into Lunar Exploration: Explore the implications of China's lunar sample sharing and its impact on international space cooperation, amid ongoing US-China trade tensions. Understand how these collaborations could shape the future of lunar exploration and scientific discovery.

For more cosmic updates, visit our website at astronomydaily.io (http://www.astronomydaily.io/) . Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic, TikTok, and our new Instagram account! Don’t forget to subscribe to the podcast on Apple Podcasts, Spotify, iHeartRadio, or wherever you get your podcasts.

Thank you for tuning in. This is Steve signing off. Until next time, keep looking up and stay curious about the wonders of our universe.

00:00 - Welcome to Astronomy Daily with Steve and Hallie

01:17 - Today's stories include the latest chapter for the Chang'e 5 samples

02:28 - China has accepted international applications to borrow moon samples from its Changi 5 mission

07:12 - NASA's $3.35 billion Dragonfly mission passes critical design review

15:58 - Hallie will be leaving for the Astronomy Daily virtual studio soon ✍️ Episode References

Chang'e 5 Lunar Samples

[China National Space Administration]( http://www.cnsa.gov.cn/ (http://www.cnsa.gov.cn/) )

NASA's Dragonfly Mission

[NASA]( https://www.nasa.gov/ (https://www.nasa.gov/) )

Firefly Aerospace Launch Details

[Firefly Aerospace]( https://firefly.com/ (https://firefly.com/) )

Astronomy Daily

[Astronomy Daily]( http://www.astronomydaily.io/ (http://www.astronomydaily.io/) )

Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26827548?utm_source=youtube

Space Nuts Episode 516: Angular Momentum, Cosmic Inflation, and the Infinite Universe

In this thought-provoking episode of Space Nuts, host Heidi Campo steps in for Andrew Dunkley, joined by the ever-knowledgeable Professor Fred Watson. Together, they tackle an array of fascinating listener questions that delve into the complexities of angular momentum, the nature of cosmic inflation, and the mysteries surrounding the universe's finiteness or infiniteness.

Episode Highlights:

- Angular Momentum Explained: Heidi and Fred kick off the episode by addressing a question from Buddy about angular momentum. They discuss how angular momentum affects spinning objects, the implications of expansion, and the intriguing concept of a potentially spinning universe.

- Time Dilation and Cosmic Inflation: Scott from Sydney poses a compelling question regarding time dilation during the universe's hyperinflation period. Fred elaborates on how time behaves under extreme gravitational conditions and the significance of inflation in explaining the universe's homogeneity.

- Is the Universe Finite or Infinite? The episode features a delightful audio question from young Enrique and his father Philip, exploring whether the universe is finite or infinite. Fred explains the concept of cosmic horizons and the challenges faced in determining the universe's boundaries.

- Temperature Control on the ISS: Kevin from Melbourne asks about the temperature inside the International Space Station (ISS) and how it varies with sunlight exposure. Heidi and Fred discuss the engineering marvels that maintain a livable environment for astronauts, including the challenges of thermal regulation in space.

For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. (https://www.spacenutspodcast.com/) Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform.

If you’d like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, visit spacenutspodcast.com/about (https://www.spacenutspodcast.com/about)

Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.

(00:00) Welcome to Space Nuts with Heidi Campo and Fred Watson

(01:20) Discussion on angular momentum and its effects

(15:00) Exploring time dilation and cosmic inflation

(25:30) Is the universe finite or infinite?

(35:00) Temperature control aboard the ISS

For the commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support (https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26820528?utm_source=youtube

In this episode of Astronomy Daily, join host Anna as she uncovers a wealth of groundbreaking discoveries that are reshaping our understanding of the universe. From the potential tripling of known satellite galaxies to exciting lunar water revelations, this episode is filled with cosmic insights that will spark your imagination.

Highlights:

- Vera Rubin Observatory's Galactic Expansion: Dive into the findings from the Vera Rubin Observatory, which could soon triple the known satellite galaxies orbiting our Milky Way. Learn how sophisticated simulations predict the detection of up to 119 new galactic companions, providing crucial insights into galaxy formation and evolution.

- Lunar Water Creation: Explore NASA's groundbreaking research suggesting that the Sun may be creating water on the Moon's surface. This revelation could significantly impact future lunar missions, making water a more accessible resource for astronauts.

- Atomic Clock Ensemble in Space: Discover the latest milestone in precision timekeeping as the Atomic Clock Ensemble is successfully installed on the International Space Station. This advanced facility promises to redefine our understanding of time and test Einstein's theory of general relativity.

- Viewing Sirius: Get tips on how to observe Sirius, the brightest star in the night sky, as it dazzles spring stargazers with its spectacular light show. Learn about the unique scintillation effect that creates a prismatic display of colors.

- The Mystery of Meteor Showers: Unravel the enigma of unpredictable meteor showers as new research reveals how the Sun's subtle wobble affects meteoroid streams. Understand why some showers appear suddenly and vanish for decades, all due to cosmic choreography.

For more cosmic updates, visit our website at astronomydaily.io (http://www.astronomydaily.io/) . Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic, TikTok, and our new Instagram account! Don’t forget to subscribe to the podcast on Apple Podcasts, Spotify, iHeartRadio, or wherever you get your podcasts.

Thank you for tuning in. This is Anna signing off. Until next time, keep looking up and stay curious about the wonders of our universe.

00:00 - Welcome to Astronomy Daily

01:05 - Vera Rubin Observatory's satellite galaxy discoveries

10:30 - Lunar water creation by the Sun

17:00 - Installation of the Atomic Clock Ensemble in Space

22:15 - Viewing tips for Sirius

27:30 - The mystery of meteor shower unpredictability

✍️ Episode References

Vera Rubin Observatory

[Vera Rubin Observatory]( https://www.vera-rubin-observatory.org (https://www.vera-rubin-observatory.org/) )

Lunar Water Research

[NASA]( https://www.nasa.gov (https://www.nasa.gov/) )

Atomic Clock Ensemble

[European Space Agency]( https://www.esa.int (https://www.esa.int/) )

Sirius Viewing Tips

[Astronomy Magazine]( https://www.astronomy.com (https://www.astronomy.com/) )

Meteor Shower Research

[SETI Institute]( https://www.seti.org (https://www.seti.org/) )

Astronomy Daily

[Astronomy Daily]( http://www.astronomydaily.io (http://www.astronomydaily.io/) )

Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26806645?utm_source=youtube

In this episode of SpaceTime, we unveil groundbreaking evidence that challenges previously held theories about the origins of Earth's water. Recent findings published in the journal Icarus indicate that rather than being delivered by asteroids and comets, Earth's water may have formed alongside the planet itself. The study utilizes a unique meteorite known as the enstatite chondrite to reveal a rich source of hydrogen essential for water formation, reshaping our understanding of how life-sustaining conditions developed on Earth.

The Enigmatic Magnetic Field of Mars

Next, we delve into the curious case of Mars's magnetic field, which has puzzled scientists for decades. A new study suggests that the strange magnetic signatures observed on the Red Planet could be attributed to a partially molten core predominantly covering the southern hemisphere. This research provides fresh insights into Mars's geological history and the implications for its atmospheric evolution, as the planet transitioned from a warm, wet environment to the arid desert we see today.

The Lyrids Meteor Shower

Additionally, we celebrate one of humanity's oldest known meteor showers, the Lyrids, which are currently dazzling skywatchers. First recorded over 2,700 years ago, these meteors originate from comet Thatcher and promise a beautiful celestial display. Although not as prolific as other meteor showers, the Lyrids offer a captivating spectacle for stargazers, with expectations of 10 to 15 meteors per hour during peak viewing times.

00:00 Space Time Series 28 Episode 50 for broadcast on 25 April 2025

00:49 New evidence on the origins of Earth's water

06:30 Analysis of the enstatite chondrite meteorite

12:15 The mystery of Mars's magnetic field

18:00 Implications of a partially molten Martian core

22:45 Overview of the Lyrids meteor shower

27:00 Summary of recent astronomical findings

30:15 Science report: Health risks linked to food additives

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www.bitesz.com (https://www.bitesz.com/)

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Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about (https://www.spacetimewithstuartgary.com/about)

✍️ Episode References

Icarus

https://www.journals.elsevier.com/icarus (https://www.journals.elsevier.com/icarus)

Geophysical Research Letters

https://agupubs.onlinelibrary.wiley.com/journal/19449224 (https://agupubs.onlinelibrary.wiley.com/journal/19449224)

NASA

https://www.nasa.gov/ (https://www.nasa.gov/)

Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support (https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26793814?utm_source=youtube

Space Nuts Episode 515: K2 18b, Polar Orbits, and the Lucy Mission

In this fascinating episode of Space Nuts, host Heidi Campo takes the helm for her final week as Andrew Dunkley prepares to return. Joined by the ever-knowledgeable Professor Fred Watson, they delve into some of the most exciting recent discoveries in astronomy, including the much-discussed K2 18b, the peculiar polar orbit of a newly discovered planet, and the latest from NASA's Lucy mission.

Episode Highlights:

- K2 18b's Potential for Life: Heidi and Fred explore the latest findings on K2 18b, a planet in the habitable zone of its star that exhibits chemical signatures potentially linked to life. They discuss the significance of dimethyl sulfide and dimethyldisulfide and the challenges of confirming these findings through the James Webb Space Telescope.

- The Mystery of Polar Orbits: The duo shifts gears to discuss the surprising discovery of a planet orbiting in a polar configuration around a binary star system. Fred explains the implications of this unusual orbit and the theories surrounding its formation, raising questions about the nature of planetary systems.

- The Lucy Mission: The episode wraps up with an exciting update on NASA's Lucy mission, which aims to explore Trojan asteroids. Heidi and Fred discuss the mission's unique goals, the significance of the asteroid named after paleoanthropologist Donaldjohanson Johanson, and the intriguing connections between the mission's title and its namesake.

For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. (https://www.spacenutspodcast.com/) Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform.

If you’d like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, visit spacenutspodcast.com/about (https://www.spacenutspodcast.com/about)

Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.

(00:00) Welcome to Space Nuts with Heidi Campo and Fred Watson

(01:15) Discussion on K2 18b and its potential for life

(15:30) The polar orbit discovery around binary stars

(25:00) Updates on NASA's Lucy mission and its asteroid flyby

For the commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support (https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26787672?utm_source=youtube