Welcome to Litsy!

This comprehensive guide to astronomy introduces the basic concepts, explaining what, when, and how to observe space, right through to current theories on everything from black holes to microquasars. It helps you to navigate the night sky, identify the constellations and find planets, comets, galaxies and deep-sky objects. Accessible, informative, and fully-illustrated, this is an invaluable practical companion for anyone who loves stargazing.