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  2. Parallel universes in fiction - Wikipedia

    en.wikipedia.org/wiki/Parallel_universes_in_fiction

    Perhaps the most common use of the concept of a parallel universe in science fiction is the concept of hyperspace. Used in science fiction, the concept of "hyperspace" often refers to a parallel universe that can be used as a faster-than-light shortcut for interstellar travel. Rationales for this form of hyperspace vary from work to work, but ...

  3. Definitions of science fiction - Wikipedia

    en.wikipedia.org/wiki/Definitions_of_science_fiction

    "A science fiction story is a story built around human beings, with a human problem, and a human solution, which would not have happened at all without its scientific content." [13] Basil Davenport. 1955. "Science fiction is fiction based upon some imagined development of science, or upon the extrapolation of a tendency in society." [14] Edmund ...

  4. Uchronia - Wikipedia

    en.wikipedia.org/wiki/Uchronia

    However, another developing definition of uchronia is a larger umbrella category of fiction that encompasses alternate history, parallel universes, and stories based in futuristic or non-temporal settings.

  5. Fourth dimension in literature - Wikipedia

    en.wikipedia.org/wiki/Fourth_dimension_in_literature

    Science fiction author Robert A. Heinlein used ideas derived from multi-dimensional geometry in some of his stories. "—And He Built a Crooked House—" was first published in Astounding Science Fiction magazine in February 1941. In the story, a recently graduated architect constructs an eight-room home for his friend based on an "unfolded ...

  6. Outline of science fiction - Wikipedia

    en.wikipedia.org/wiki/Outline_of_science_fiction

    Science fiction genre – while science fiction is a genre of fiction, a science fiction genre is a subgenre within science fiction. Science fiction may be divided along any number of overlapping axes. Gary K. Wolfe's Critical Terms for Science Fiction and Fantasy identifies over 30 subdivisions of science fiction, not including science fantasy ...

  7. Science fiction - Wikipedia

    en.wikipedia.org/wiki/Science_fiction

    Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.

  8. Hyperspace - Wikipedia

    en.wikipedia.org/wiki/Hyperspace

    The earliest references to hyperspace in fiction appeared in publications such as Amazing Stories Quarterly (shown here is the Spring 1931 issue featuring John Campbell's Islands of Space). Emerging in the early 20th century, within several decades hyperspace became a common element of interstellar space travel stories in science fiction.

  9. Fictional planets of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Fictional_planets_of_the...

    Schematic diagram of the orbits of the fictional planets Vulcan, Counter-Earth, and Phaëton in relation to the five innermost planets of the Solar System.. Fictional planets of the Solar System have been depicted since the 1700s—often but not always corresponding to hypothetical planets that have at one point or another been seriously proposed by real-world astronomers, though commonly ...