Sleep Science
Science For Sleep _ What Is the Shape of the Universe_
2:02:06
Is the universe flat, curved, or something stranger? In this soothing video, we gently explore the shape of the universe, how astronomers use the cosmic microwave background and the distribution of galaxies to measure curvature, and what each possibility could mean for space and time. Settle in, relax your mind, and drift into restful sleep tonight.