Tag archives for cepheids

How far away is stuff?

“Space is big. You just won’t believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.” –Douglas Adams Well, maybe “peanuts” isn’t going to do. When you look out at the night sky, all sorts…