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The iconic photo of Earth known as The Blue Marble, taken by the crew of Apollo 17 (1972). This and similar images might have popularized Earth as a theme in fiction. [1]: 138 The overwhelming majority of fiction is set on or features the Earth, as the only planet home to humans or known to have life.
Mesklin is a fictional planet created by Hal Clement and used in a number of his hard science fiction stories, starting with Mission of Gravity (1954). Alongside the novel's original 1953 serialization in Astounding Science Fiction, Clement published an essay titled "Whirligig World" detailing the process of designing the planet to have the properties he wanted.
Set in the year 2038, Earth is a cautionary tale of the harm humans can cause their planet via disregard for the environment and reckless scientific experiments. The book has a large cast of characters and Brin uses them to address a number of environmental issues, including endangered species, global warming, refugees from ecological disasters, ecoterrorism, and the social effects of ...
Revolving on an orbit about the star Altair, Tenebra is an example of one of Hal Clement's "hellworlds".27 times the mass of Earth, Tenebra is three times Earth's diameter (38,226 kilometers; 23,746 miles) and has three times Earth's gravity at its surface (29.43 meters per second per second; 96.6 feet per second per second), which gives Tenebra an escape velocity of 33.558 kilometers per ...
The Wandering Earth is a science fiction novella by Chinese writer Cixin Liu. The novella focuses on humanity's efforts to move the Earth in order to avoid a supernova. It was first published in 2000 by Beijing Guomi and won the 2000 China Galaxy Science Fiction Award of the Year. [citation needed]
Giacomo Casanova's 1788 Icosaméron is a 5-volume, 1,800-page story of a brother and sister who fall into the Earth and discover the subterranean utopia of the Mégamicres, a race of multicolored, hermaphroditic dwarfs. An early science-fiction work called Symzonia: A Voyage of Discovery by a "Captain Adam Seaborn" appeared in print in 1820. In ...
The short story has appeared in many anthologies and six collections of Asimov stories. In 1968, the Science Fiction Writers of America voted "Nightfall" the best science fiction short story written prior to the 1965 establishment of the Nebula Awards and included it in The Science Fiction Hall of Fame, Volume One, 1929–1964.
The following formula approximates the Earth's gravity variation with altitude: = (+) where g h is the gravitational acceleration at height h above sea level. R e is the Earth's mean radius. g 0 is the standard gravitational acceleration.