(AP) — If SpaceX founder Elon Musk's plan to establish a city on Mars sounds like science fiction, then consider the name of his first passenger ship. The answer lies in "The Hitchhiker's Guide to the Galaxy," the comic series about the travels and travails of Earth's last surviving man. The name generated applause at the International Astronautical Congress in Mexico, where Musk provided elaborate details of his bold plans to fly scores of humans to Mars and set up a self-sustaining city with 1 million people, as big as San Jose, California. For the past decade, Musk has borrowed from science fiction and fantasy when naming his rockets, engines, capsules and other space doodads. [...] there are the two ocean platforms used for booster landings after liftoff: Just Read the Instructions and Of Course I Still Love You from Banks' 1988 novel The Player of Games. Shuttle prototype Enterprise was the exception, named after the "Star Trek" starship at fans' request. Orion, the hunter, is the spacecraft in which NASA plans to send astronauts beyond low-Earth orbit, most notably Mars.