Stellar Measurements, Icy Moon Missions, and Meteorite Ownership Dilemmas: S04E23

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Recorded27 Jan 2025

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Astronomy Daily - The Podcast: S04E23 In this episode of Astronomy Daily, host Anna delves into a series of remarkable advancements in space science, covering everything from the universe's expansion rate to innovative concepts for lunar habitats. Join us as we explore the latest findings that are reshaping our understanding of the cosmos. Highlights: - Hubble and James Webb Collaboration: Discover how combined observations from the Hubble and James Webb Space Telescopes have refined the measurement of the universe's expansion rate, known as the Hubble constant, to approximately 72.6 kilometers per second per megaparsec. - Arctic Ocean as an Enceladus Testbed: Learn about scientists using Earth's Arctic Ocean to simulate conditions on Saturn's moon Enceladus, searching for chemical signatures that could indicate extraterrestrial life. - Changes in M87 Black Hole: Get insights into the evolving dynamics of the M87 black hole, including the movement of its luminous ring, which reveals critical information about its orientation and surrounding environment. - Meteorite Ownership Debate : Explore the fascinating and complex world of meteorite ownership, as recent discoveries spark discussions about the balance between private collectors and scientific research. - NASA's PUNCH Mission: Follow the progress of NASA's PUNCH mission, which aims to study the sun's outer atmosphere using a fleet of four compact satellites, enhancing our understanding of solar wind dynamics. - Visionary Concepts from NASA: Discover NASA's NIAC program's groundbreaking proposals for 2025, including innovative ideas for lunar habitats made from lunar glass and advanced propulsion systems for deep space exploration. For more cosmic updates, v Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic, Tumblr, and TikTok. Share your thoughts and connect with fellow space enthusiasts. 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 - Astronomy Daily brings you the latest in space and astronomy news 00:50 - Hubble and James Webb refine the Hubble constant 03:20 - Arctic Ocean used to simulate Enceladus conditions 06:15 - M87 black hole shows signs of change 09:30 - Meteorite ownership and the debate over scientific access 12:20 - NASA's PUNCH mission prepares for launch 15:00 - Innovative concepts from NASA's NIAC program for 2025 ✍️ Episode References NASA [NASA](https://www.spreaker.com/podcast/astronomy-daily-the-podcast--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-the-podcast--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) . Episode link: https://play.headliner.app/episode/25273774?utm_source=youtube

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