Every Type of Universe Explained in 12 Minutes

In this video, I take you on a journey through every type of universe that could exist — starting with the one we live in, and ending with a possibility that should keep you up at night. We begin with the observable universe, the small bubble of space whose light has had time to reach us, and the infinite universe that may stretch on forever beyond it. Then it gets stranger — mirror universes reflecting our own, and bubble universes endlessly forming in the void. We go deeper into theory: the parallel universe where every choice splits reality, the mathematical universe where existence itself is just numbers, the cyclic universe that dies and is reborn over and over, and the brane universe floating in higher dimensions. Then the truly mind-bending ideas — a universe born inside a black hole, a holographic universe where everything you see is a projection, and a simulated universe running as code. We confront the Boltzmann brain, the terrifying possibility that you might be a fleeting illusion assembled by chance. Then the biggest questions of all: the fine-tuned universe that seems impossibly perfect for life, and the ultimate multiverse containing every universe that could ever be. And by the end, after the twist you won't see coming, you'll be left facing the one answer no scientist can give you — the unknown. ⏱️ CHAPTERS 0:00 Observable Universe 0:00 Infinite Universe 0:00 Mirror Universe 0:00 Bubble Universes 0:00 Parallel Universe 0:00 Mathematical Universe 0:00 Cyclic Universe 0:00 Brane Universe 0:00 Black Hole Universe 0:00 Holographic Universe 0:00 Simulated Universe 0:00 Boltzmann Brain 0:00 Fine-Tuned Universe 0:00 Ultimate Multiverse 0:00 The Twist 0:00 The Unknown ▶ More explainers coming soon — links added here as they drop: Check out Check out For business inquiries: [email protected] — DISCLAIMER — This video is made for entertainment and educational purposes. Some concepts have been simplified to keep things clear and accessible, and a few details may not be perfectly precise. The goal is to spark your curiosity — not to replace proper research. Patrick Explained breaks down the biggest, strangest, and most extreme things in the universe — explained simply, visually, and without the fluff. #space #universe #multiverse #astronomy #science #cosmos #physics