Science fiction is a fictional literary genre that usually explored the future, technology, alien life, outer space, future society, time travel, and other topics. The inspiration for science fiction came from the future development of science and technology or the future technology that already existed. Science fiction often depicted the problems and challenges that humans would face in the future and how humans would solve these problems through technology and innovation. Science fiction could also reflect deep thoughts and explorations of the future by exploring the relationship between humans and extraterrestrial life, the structure of future society, political systems, cultural values, and so on.