Genres

Science fiction

Definition

Used for works of fantasy that deal with possible though not necessarily probable events and are based approximately on scientific principles, e.g. space travel, time travel, etc. Used also for works in which mankind confronts alien cultures or environments. For works that deal with non-existent, incredible, or unreal worlds, characters, and physical principles, see Fantasy fiction.

Related Genres

• Fantasy fiction
• Voyages, Imaginary

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