What is going on in the air above you? Why is the sky blue? The clouds and sky are always there, but how much do you know about them? Find out what the sky and the clouds can tell you and how they affect your daily life in this fun, photo-filled book. Learn about what you see in the sky and enjoy it all the more! 47 questions are answered and illustrated, including: what is the sky made of? Why is the sky blue? Why are sunsets red? What time is twilight? What makes air humid? What are clouds? What causes rain and snow? What causes thunder and lightning? What is air pollution? Can you find the end of the rainbow? What are weather forecasters talking about? Where does wind come from? Why is the Moon white? Why does it change shape? What are shooting stars? This book is illustrated in full colour throughout with over 200 colour photographs and additional colour line drawings. It offers a basic introduction to meteorology for 8 to 12 years.