The Sun is one of 300 billion stars in our galaxy, but to those of us on Earth, it is the most special star of them all. The Sun is what makes all life on Earth possible because it provides heat and energy for life to thrive. This book will let readers explore the Sun inside and out as they learn about everything from sunspots and solar flares to what the Sun is made of. Complemented by full color photographs and illustrations, the book's accessible text makes complex topics easy to follow.