You stand on a planet that feels massive, yet Earth is a microscopic speck floating inside a star system that is virtually invisible against the backdrop of the cosmos. Every familiar boundary you know vanishes once you realize just how massive reality actually is: from the crushing pressure beneath our oceans to cosmic behemoths that break the laws of scale. 00:00 The True Scale of the Largest Objects in the Universe 22:44 The Insane Scale of the Ocean Explained 45:28 What If The Largest Objects in the Universe Collided? 1:02:32 Nuking Every Planet in the Solar System 1:23:27 What Would the Sun Look Like from Every Planet? 1:45:24 What If You Grew 1cm Every Second? Enjoying this video? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies, space, and Earth sciences underknown.com/popularscience Support us on Pat...