The Hitchhiker's Guide to the Galaxy a human-like alien writer for the eccentric, electronic travel guide "The Hitchhiker's Guide to the Galaxy", by hitchhiking onto a passing Vogon spacecraft. Following his rescue, Dent explores the galaxy with Prefect and encounters Trillian, another human who had been taken from Earth prior to its destruction by the President of the Galaxy, the two-headed Zaphod Beeblebrox, and the depressed Marvin, the Paranoid Android. Certain narrative details were changed between the various adaptations. The various versions follow the same basic plot but they are in many places mutually contradictory, as Adams rewrote the story substantially for each new adaptation. Throughout
Places in The Hitchhiker's Guide to the Galaxy by the then-thriving custom planet industry of Magrathea to run a ten-million-year program in which organic life would play a major role. Slartibartfast, a Magrathean designer, was involved in the project and signed his name among the fjords of Norway (an area that won him an award). Earth is also home to Arthur Dent and Trillian. Earth is located in Galactic Sector ZZ9 Plural Z Alpha. "The Hitchhiker's Guide to the Galaxy" originally described Earth as ""harmless"" (the entry is short because of the limited amount of space the Guide possessed, what with the sheer size and content of the