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The concept of extraterrestrial life, 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 ...
This is a list of alleged extraterrestrial beings that have been reported in close encounters, claimed or speculated to be associated with unidentified flying objects (UFOs) (not to be confused with the meaning of the term "alien species" in the biological science of ecology).
Similar terms include alien species, exotic species, foreign species, non indigenous species, and non native species. Invasibility The ease with which a habitat is invaded (Booth et al. 2003). Invasion (See Introduced species and Invasive species) The expansion of a species into an area not previously occupied by it (Booth et al. 2003 ...
Xenoarchaeology, a branch of xenology dealing with extraterrestrial cultures, is a hypothetical form of archaeology that exists mainly in works of science fiction. The field is concerned with the study of the material remains to reconstruct and interpret past life-ways of alien civilizations.
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.
A culture of extraterrestriality is the cultural imagination and description of otherworldlyness, alienness or outright outer space, characterizing the other through extraterrestrial space, [1] [2] beyond mere extraterritoriality or periphery, being the space that is imagined or described as extraterrestrial, or simply any space outside a described land.
Extraterrestrial intelligence (ETI) refers to hypothetical intelligent extraterrestrial life. No such life has ever been verifiably observed to exist. [ 1 ] The question of whether other inhabited worlds might exist has been debated since ancient times. [ 2 ]
Pages in category "Extraterrestrial life" The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes. ...