Cosmic Encounters: Asteroids, Moons, and the Milky Way’s Future Unveiled

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Recorded25 Aug 2025

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This episode of SpaceTime is brought to you with the support of Insta360 . Capture your adventures with their latest game-changer, the GoUltra . For a special offer, visit store.insta360.com (https://store.insta360.com/) and use the promo code SPACETIME at checkout. In this episode of SpaceTime , we explore thrilling recent discoveries and events in the cosmos, including close encounters with asteroids, a newly discovered moon around Uranus, and the cosmic dance of dwarf galaxies. Earth Dodges Two Asteroid Near Misses Planet Earth has narrowly avoided two asteroid near misses within days of each other. The first, asteroid 2025 PF2, zipped past at an altitude of just 22,000 kilometers, while the second, 2025 PU1, came even closer at 29,000 kilometers. Both asteroids, small yet significant, highlight the ongoing risks posed by near-Earth objects, with 2025 PU1 being particularly alarming as it was only detected hours after its closest approach. A New Moon for Uranus Astronomers have identified a new moon orbiting Uranus, bringing the total number of known satellites to 26. Detected using NASA's Webb Space Telescope, this moon, estimated to be about 10 kilometers in diameter, eluded previous observations, including those from the Voyager 2 mission. Its discovery adds to the complexity of Uranus's moon system and raises questions about the chaotic history of its rings and satellites. Dancing Dwarf Galaxies and the Milky Way's Fate A new study suggests that the fate of our Milky Way galaxy is intricately tied to the gravitational interactions with smaller dwarf galaxies as it approaches a merger with the Andromeda galaxy. By studying similar galactic systems, researchers aim to predict how these cosmic dances will influence the evolution of our galaxy over the next few billion years, providing insights into dark matter and cosmic structure. www.spacetimewithstuartgary.com (https://www.spacetimewithstuartgary.com/) ✍️ Episode References Monthly Notices of the Royal Astronomical Society https://academic.oup.com/mnras (https://academic.oup.com/mnras) NASA's Webb Space Telescope https://www.nasa.gov/mission_pages/webb/main/index.html (https://www.nasa.gov/mission_pages/webb/main/index.html) 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/28713144?utm_source=youtube

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