Space travel novels are usually a type of science fiction that tells the story of human beings in space exploration in the future or in the past. These stories might involve alien creatures, unknown planets, space navigation technology, and so on. Some novels would also involve political, social, and psychological aspects to show the challenges and progress of human space exploration. A common space travel story outline would include the following elements: Humans have discovered a mysterious planet or an exciting space technology in space exploration and decided to go on an expedition. The expedition team encountered various alien creatures, unknown planetary environments, and technological obstacles that needed to be explored and dealt with. In space exploration, humans have to face various political, social, and psychological problems such as resource allocation, political struggles, cultural differences, and so on. In the end, mankind made great achievements in space exploration, but it also faced greater challenges and risks. These stories usually attracted readers 'interest in exploring the unknown universe, the advancement of science and technology, the spirit of human exploration, and so on.