Original content: Carl Sagan’s Cosmos - Episode 8 - Journeys in Space and time on YouTube: https://www.youtube.com/watch?v=abp3q7aYOss&t=2764s Content shown here for educational purposes only and under fair use. The late, great Carl Sagan is one of my favorites. Gotta love this guy and his passion for science. The strangest thing about traveling near light speed? Time bends. Clocks tick slower, aging slows. But only for the traveler. To everyone else, it feels like decades have passed in what se

Original content: Carl Sagan’s Cosmos - Episode 8 - Journeys in Space and time on YouTube: https://www.youtube.com/watch?v=abp3q7aYOss&t=2764s Content shown here for educational purposes only and under fair use. The late, great Carl Sagan is one of my favorites. Gotta love this guy and his passion for science. Space is vast, and stars are incredibly distant. The speed of light, though fast, still means we're looking into the past. But could we travel to stars in a reasonable time? And what's so