Listified! A Cosmic Year
The entire history of the universe and Earth told across a single year. The Earth has been around for 4.5 billion years. And the universe has been around even longer – for 13.8 billion years! Imagine that the entire history of the universe is scaled down to fit into a single year, so that the Big Bang happens just after midnight on 1 January, and right now, the moment you’re reading this sentence, is just before midnight on 31 December.* Here’s how everything fits together ...