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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.
It deals with practical contemporary issues like the protection of the space environment [3] and hypothetical future issues pertaining to our interaction with extraterrestrial life forms. Specific issues of space ethics include space debris mitigation, the militarization of space and the ethics of SETI and METI , but also more theoretical ...
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 ]
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.
Such meetings have generally led to the destruction of the civilization receiving contact (as opposed to the "contactor", which initiates contact), and therefore destruction of human civilization is a possible outcome. [2] Extraterrestrial contact is also analogous to the numerous encounters between non-human native and invasive species ...
NASA SETI (Search for Extraterrestrial Intelligence) Microwave Observing Project sites in 1992. The communication with extraterrestrial intelligence (CETI) is a branch of the search for extraterrestrial intelligence (SETI) that focuses on composing and deciphering interstellar messages that theoretically could be understood by another technological civilization. [1]
Paranormal topics related to extraterrestrial life (2 C, 2 P) Extraterrestrial life in popular culture (26 C, 46 P) S. Search for extraterrestrial intelligence (6 C ...
This is a list of 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).