Just how big is the universe?

LET us ponder, for a moment or two, the size of the universe.

As the wonderful, much-missed Douglas Adams wrote in his first novel, The Hitch-Hiker’s Guide To The Galaxy: “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.” Continue reading