Are yams and sweet potatoes the same?
name of a popular science fiction film released in 1977; also the informal name for a space-based missile defense system proposed in 1983 by U.S. president Ronald Reagan.
A series of popular science fiction motion pictures created by George Lucas. The first trilogy debuted in 1977 with Star Wars: A New Hope. The Empire Strikes Back and The Return of the Jedi followed in the 1980s. Prequels, Episode I: The Phantom Menance and Episode 2: Attack of the Clones, were recently released. The films are noted for combining classic themes of good versus evil with cutting-edge special effects.