The Fatal Problem with Time Travel

Neil deGrasse Tyson and Chuck Nice analyze the science behind time travel in Back to the Future, responding to a fan’s question about cosmic reference frames and motion through space. Tyson explains that real time travel would require moving through both space and time simultaneously, while also highlighting overlooked details in the film that cleverly account for location consistency and subtle timeline changes. From 'Incoming Asteroids, Moving Black Holes, & More! | Cosmic Queries #104'":    • Incoming Asteroids, Moving Black Holes, & ...   Get the StarTalk book, 'To Infinity and Beyond: A Journey of Cosmic Discovery' on Amazon: https://amzn.to/3PL0NFn Support us on Patreon:   / startalkradio   FOLLOW or SUBSCRIBE to StarTalk: Twitter:   / startalkradio   Facebook:   / startalk   Instagram:   / startalk   TikTok:   / neildegrassetyson