We live on a small planet that revolves round an unexceptional star - the Sun - which is one of the hundred billion stars that populate our galaxy. Of the many billions of galaxies that lie within range of our most powerful telescopes, some are so remote that their light has taken more than 13 billion years to reach us.
Iain Nicolson takes the reader on a journey from planet Earth to the boundaries of the observable Universe. He explains the...