CHALLENGER'S LOST LESSONS - ER - NASA

85Unlike, the first live lesson which was a simple tourof the Shuttle, the second is much like the filmed six lost lessons.However, only fifteen minutes time was planned for its execution.The second live lesson is addressed in some detail in BobMayfield’s paper. It was entitled “Where We’ve Been, WhereWe’ve Going, Why?.” Reading the planned choreography ofvarious mixing demonstrations shows the challenge Christa faced.Remembering that Christa was expected to narrate eachdemonstration impresses all with Christa’s demeanor. Throughoutthe practice video, she appears cheerful, dedicated and fully incommand of what was expected of her. This she did despiteknowing that millions of students, young and old, would beattending her class on day 6 of the mission.Background:The background description for the second live lesson,“Where We’ve Been and Where We’re Going Why? ” comes fromthe NASA publication: “Teacher in Space Project:”Where We’ve Been, Where We’re Going, Why?Viewer Objectives:1. To explain some advantages and disadvantages ofmanufacturing in a microgravity environment2. To describe spinoffs and other benefits which haveevolved from the space program3. To list ways in which the modular Space Station wouldchange the lives of human beingsVideo Lesson Description:As the lesson from space begins, Christa McAuliffe willrefer to the models of the Wright Brothers’ plane and of a proposedNASA Space Station to help viewers recall that only 82 yearsseparate that early flight and today’s life in space.McAuliffe will discuss the reasons we are living and workingin space, covering astronomy, Earth observations, experiments on-