Mimas (Source: NASA) Some people have a great imagination, and George Lucas or who created a Death Star, a famous part of movie Star Wars, used Saturnian icy moon Mimas as a model of that battle station. But did you know that from that model is created a model of the real model of the space station, what might be done sometime in a distant future? In that model, a space station or spacecraft will be empty ball called "Dyson's sphere". The ball itself would be made a plastic called mylar. In this scenario, that mylar space station will be sent to space with rocket and if will fill with gas. In the wildest dreams, those ball-shaped space stations might have even full-scale cities inside them. Death Star (Source NASA) After that inside of that ball will cover by the net, where builders can inject concrete, where all of those buildings will be made. The idea itself is very old and it worked in 1960's in ECHO-satellites. Those satellites balloons wh...