Orion’s Influence on Earth’s Climate, Mars’ Wet Past Revealed, and Europa Clipper’s Journey: S28E28

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Recorded05 Mar 2025

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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 www.spacetimewithstuartgary.com (https://www.spacetimewithstuartgary.com/) www.bitesz.com (https://www.bitesz.com/) 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn (https://www.bitesz.com/nordvpn) . Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merchandise. (https://www.bitesz.com/oldglory) Well worth checking out... 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 NASA https://www.nasa.gov (https://www.nasa.gov/) Nature Communications https://www.nature.com/ncomms (https://www.nature.com/ncomms) Astronomy and Astrophysics https://www.aanda.org/ (https://www.aanda.org/) 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/25902477?utm_source=youtube

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