Publisher's Synopsis
What's the difference between me, a planet and a star? Does the Universe follow a recipe? If a wardrobe has three dimensions, what is the fourth? These are some of life's biggest questions, and you are a daring thinker for even thinking about them! So open your mind and prepare to explore some of the biggest, boldest ideas about astrophysics, space and time - from the ridiculously silly to the strikingly serious.