Planetary romance refers to a specific sub-genre of science fiction literature that typically features adventure, exploration, and romance on an alien planet. While the term is commonly used within the science fiction community, there are other ways to describe this type of story. For example, some may refer to it as an interplanetary adventure, space opera, or extraterrestrial romance. Others may call it a sci-fi epic, cosmic drama, or science fantasy. Regardless of the term used, all of these descriptions highlight the excitement and wonder that comes with exploring strange and unknown worlds, making planetary romance a beloved genre among fans of science fiction.