New from the makers of All About Space, this special edition explores the wonders of the universe. Astrophysics helps us understand the nature of the universe by investigating the properties and behaviours of astronomical objects and phenomena. Understanding Astrophysics explains the science behind cosmic questions, including how galaxies form, what planets are made of, and how we know the universe is expanding. This book will also delve into the various theories astrophysicists have for some of the biggest mysteries, such as how the universe began and whether there is life beyond Earth.