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Most extrasolar planets in fiction are similar to Earth—referred to in the Star Trek franchise as Class M planets—and serve only as settings for the narrative. [1] [2] One reason for this, writes Stephen L. Gillett [Wikidata] in The Greenwood Encyclopedia of Science Fiction and Fantasy, is to enable satire. [3]
Life on other planets is considered, soon focusing on Mars. Ideas from science-fiction authors H. G. Wells and Edgar Rice Burroughs are brought to life with more colorful animation, and, as done before, science fiction comics of the time are parodied.
The concept of extraterrestrial life, and particularly extraterrestrial intelligence, has had a major cultural impact, especially extraterrestrials in fiction. Science fiction has communicated scientific ideas, imagined a range of possibilities, and influenced public interest in and perspectives on extraterrestrial life. One shared space is the ...
An extraterrestrial or alien is a lifeform that did not originate on Earth. The word extraterrestrial means "outside Earth". Extraterrestrials are a common theme in modern science-fiction, and also appeared in much earlier works such as the second-century parody True History [1] by Lucian of Samosata.
In the 1985 science fiction novel Contact, Carl Sagan explored in some depth how a message might be constructed to allow communication with an alien civilization, using prime numbers as a starting point, followed by various universal principles and facts of mathematics and science. Sagan also edited a nonfiction book on the subject. [18]
Terraforming is a common concept in science fiction, ranging from television, movies and novels to video games. [84] 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. [85]
Prehistoric life on Jupiter in A Journey in Other Worlds. Jupiter was long believed, incorrectly, to be a solid planet onto which it would be possible to make a landing. [1] [2] It has made appearances in fiction since at least the 1752 novel Micromégas by Voltaire, wherein an alien from Sirius and another from Saturn pass Jupiter's satellites and land on the planet itself.
The term seminar is also used to describe a research talk, often given by a visiting researcher and primarily attended by academics, research staff, and postgraduate students. Seminars often occur in regular series, but each seminar is typically given by a different speaker, on a topic of that speaker's choosing.