Neil deGrasse Tyson’s life-long love of science led him to astrophysics and a career as the nation’s premiere voice on making science accessible for all. On today’s episode of A Word, he joins host Jason Johnson for a conversation about the new edition of his book, Merlin’s Tour of the Universe, Revised and Updated for the Twenty-First Century: A Traveler’s Guide to Blue Moons and Black Holes, Mars, Stars, and Everything Far. They also discuss the science in pop culture, the political history of space flight, and why he’s still proud to have led the effort to remove Pluto’s status as a planet. Guest: Astrophysicist and author Neil deGrasse Tyson Podcast production by Kristie Taiwo-Makanjuola Want more A Word? Subscribe to Slate Plus to immediately access ad-free listening across all your favorite Slate podcasts. Subscribe today on Apple Podcasts by clicking “Try Free” at the top of our show page. Or, visit slate.com/awordplus to get access wherever you listen. Learn more about your ad choices. Visit megaphone.fm/adchoices