Rainbows, sunsets, auroras, haloes all beautiful phenomena seen here on Earth, but they originate far, far from us at the Sun! Our Sun makes life possible here at home. We use it as a source of energy, as a timekeeper, and as a laboratory. Observe the Sun even as our earliest ancestors did for their own survival. Discover what it means to be a magnetic star like the Sun. Find out what sunspots are and where they come from. Learn how lucky we are to have our very own star.
Added by Upcoming Robot on April 21, 2010