After two decades in space, NASA's Cassini spacecraft has ended its remarkable journey of exploration. In this activity, of one or more about 40-minute sessions, youth will: Design a culminating “celebration” display and event, based on their Saturn Discovery Logs full of notes and observations and on products produced from their working knowledge of Saturn and Cassini. They have sketches of spacecraft and probes, models, and test results. Invite their parents or classmates in for an event to v