The most memorable way to learn science is by rolling up your sleeves and getting your hands on it or in it. This book reveals the mysteries of the cosmos with hundreds of experiments that range from mapping distant worlds to photographing a meteor tail and creating your own star theatre. Clear text explains the principles behind the experiments and introduces some of the great cosmologists. Encourages understanding by letting you find things out for yourself. Special fold-out "ingredients" templates for use with the experiments and projects are included.