He borrowed the scale, structure and aesthetics of things like Kurosawa films and Spaghetti Westerns to create his space opera. There are recognizable sci-fi signatures like planets, starships and alien races, but in writing his epic fantasy, George Lucas took inspiration from a variety of genres.

Star Wars is heavy on space, but light on astronomy. The show uses astrophysics thoughtfully, and has even predicted the rise of technologies we'd all come to depend on, like cellular devices. While Star Trek isn't strictly realistic, some installments have won praise for their scientific accuracy. It's a sandbox for trying to figure out what will happen, based on what is happening now.

Sci-fi usually concerns itself with speculating about the future through imaginative use of scientific concepts. Though both are often filed under science fiction, it's a much more appropriate classification for Star Trek than Star Wars. Star Wars and Star Trek also treat mythmaking very differently, so much so that it would be hard to reconcile should the two worlds ever come into contact with each other.

Casino Kid and Star Wars Crossover