Neil deGrasse Tyson Explains the North Star and Why Your Zodiac Sign Might Be Wrong

Why is your zodiac sign probably wrong? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explain astronomy, astrology, and the movement of the north star and zodiac constellations. There’s a 13th zodiac sign? You'll also learn about Earth’s wobble on its axis and what “precession” is. Was the north star always the north star? We talk about the north star of ancient times and what the night sky will look like in the future. How does precession affect your zodiac sign? We explore how the current zodiac differs from when it was first invented. What is Ophiuchus? And is Cancer really the lamest constellation??? All that and more on another StarTalk explainer! Support us on Patreon:   / startalkradio   FOLLOW or SUBSCRIBE to StarTalk: YouTube: https://www.youtube.com/user/startalk... Twitter:   / startalkradio   Facebook:   / startalk   Instagram:   / startalk   About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson 0:00 - Introduction 0:48 - What Is 'Precession?' 3:26 - How Our North Star Changes 6:30 - How The Zodiac Change 10:47 - Closing Notes