This Collins Gem explains what we know about the universe - including all the key features from the Big Bang to the planets. Every major aspect of the universe is covered, helping readers understand the complexities of the world outside our own.[...]
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 billi[...]