Bill sheds light on solar flares, eclipses, sunspots, fusion, and solar energy, and visits an enormous solar energy farm outside Sacramento, California, to demonstrate how the sun is the source of energy for all living things on Earth. The DVD has extra features: fully indexed "chapters" correlated to national science standards, interactive glossaries and quizzes, bonus footage of never-before-seen segments, interviews and demos, Spanish translation, and on-disk implementation guide. .