Dark matter could just be gravity poking into our universe from a parallel universe—and likewise, our gravity could be their dark matter. In fact, the only thing stopping us from seeing that other universe could be that we're stuck in a universe that's limited to three dimensions. Sit down for a Q&A with famed astrophysicist Neil deGrasse Tyson and question the universe around you, from your bedroom to the cosmos. Presented by Neil deGrasse Tyson Learn more about parallel universes at www.wondrium.com/youtube ------------------------------------------- The Great Courses is the global leader in lifelong learning and our video-on-demand service The Great Courses Plus gives you unlimited, uninterrupted access to a world of learning anytime and anywhere you want it. With courses on thousands of topics, you are sure to find something that will ignite your curiosity and invigorate your passion for learning. Enjoy a curated sampling of our full catalog of content by subscribing to our YouTube channel. We add new history, science, and math videos every week. ------------------------------------------- Read articles from the smartest experts in their fields: www.Thegreatcoursesdaily.com Find us on all our social channels: -Facebook: www.facebook.com/TheGreatCourses -Twitter: twitter.com/thegreatcourses -Instagram: www.instagram.com/thegreatcourses ------------------------------------------- #MultiverseTheory #ParallelDimensions #NeildeGrasseTyson