Each day a new, beautiful image or picture of our intriguing atmosphere is presented on this Web site, created by NASA, along with a short description written by an expert. By selecting Discover the Cosmos, viewers can visit the archives, which features all the images presented since June 1995. In the Index, the images are also organized into the topics: Cosmos, Solar System, Space Technology, and People; making it easy for educators to incorporate them into lesson plans.