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Subterranean fiction is a subgenre of speculative fiction, science fiction, or fantasy which focuses on fictional underground settings, sometimes at the center of the Earth or otherwise deep below the surface. The genre is based on, and has in turn influenced, the Hollow Earth theory.
In general, the vast majority of fiction, including science fiction, takes place on Earth. [2]: 226, 228 To the extent that Earth is more than the obvious but forgettable background where the action of the story takes place, a number of themes have been identified.
The Hollow Earth is an obsolete concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century, the notion was disproven, first tentatively by Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774.
Terraforming is a common concept in science fiction, ranging from television, movies and novels to video games. [83] A related concept from science fiction is xenoforming – a process in which aliens change the Earth or other planets to suit their own needs, already suggested in the classic The War of the Worlds (1898) of H.G. Wells. [84]
‘Almost science fiction’ Of all Earth’s layers, the inner core is the most remote and mysterious. This solid sphere of iron and nickel is about 70% the size of the moon, with a radius of ...
Within the stratosphere is the ozone layer, a component that partially shields the surface from ultraviolet light and thus is important for life on Earth. The Kármán line, defined as 100 km (62 mi) above Earth's surface, is a working definition for the boundary between the atmosphere and outer space. [237]
"Surface Tension" is a science fiction short story by American writer James Blish, originally published in the August 1952 of Galaxy Science Fiction. As collected in Blish's The Seedling Stars , it was revised to incorporate material from his earlier story "Sunken Universe", published in Super Science Stories in 1942.
"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 ...