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Life On Another Planet, also known as Signal from Space, is a science fiction graphic novel by Will Eisner dealing with the social and political consequences of a first contact with an extraterrestrial civilization. It was first serialized in The Spirit and later collected into a single volume.
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 ...
Other works consider the habitability of neutron star systems rather than the neutron stars themselves; as neutron star formation is a byproduct of supernova events, any life that existed in the system prior to that point would be highly unlikely to survive, and life would either need to evolve anew or arrive from elsewhere afterwards. [1]
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.
Once it was established that Saturn is a gaseous planet, most works depicting such an environment were instead set on Jupiter. [2] Nevertheless, Saturn remains a popular setting in modern science fiction for several reasons including its atmosphere being abundant with sought-after helium-3 and its magnetosphere not producing as intense radiation as that of Jupiter. [1]
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]
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]
Nucleic acids may not be the only biomolecules in the universe capable of coding for life processes. [1]Astrobiology (also xenology or exobiology) is a scientific field within the life and environmental sciences that studies the origins, early evolution, distribution, and future of life in the universe by investigating its deterministic conditions and contingent events. [2]