At this NASA website, students and educators can find numerous materials on the changes in the activity of the sun. The site is divided into four topics: sunspotters, radio waves, magnetosphere, and auroral friends. Within each of these components, users can find fun and educational activities as well as information and data from observatories and satellites. For instance, in the Sunspotters link, students can learn how to make their own sunspot viewer and pinhole camera. The Sun-Earth Viewer offers live images of the sun, interviews of scientists, and astounding Macromedia Flash Player illustrations and visualizations. Users can learn how to submit their own data to the website. Educators will find a teacher's edition with helpful hints and suggestions.