I got curious and looked up the expansion rate of the universe. It's 74.3 km/s per megaparsec, in other words 2.4 × 10^-18 Hz, or about 8 × 10^-11 year^-1. So e

I got curious and looked up the expansion rate of the universe. It's 74.3 km/s per megaparsec, in other words 2.4 × 10^-18 Hz, or about 8 × 10^-11 year^-1. So each year one meter becomes one meter + the size of a hydrogen atom. Not very quick.