Asteroid 2024 YR4's Impact Risk Diminished, Insights into Mars' Core, and NASA's Lunar Mission Update: S28E27-29

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 ➼ www.bitesz.com/nordvpn . The discount and bonuses are incredible! And it’s risk-free with Nord’s 30-day money-back guarantee! ✌