Zogg from Betelgeuse: Crash Course for Aliens

No Edge - The Curvature of the Universe. (2x2)

Air date: Sep 05, 2013

This is the second part of a three-part miniseries on the shape of the universe. Could the universe be curved? What is curvature, anyway? What is the cosmological principle? And is the universe maybe some sort of hyperbanana?