The Illusion of the Night Sky

H horhay takes a brak and i get to geek out with you. To day we're going to be talking about one of the most accessible things in physics and astronomy, looking up at the night sky. We say that the night sky seems like it's two dimensional, but really it's three d. On those long time scales, the universe is actually quite chaotic. It's sort of like we are in the middle of white water rapids, but we're just looking at things in super slow motion.