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Proponents cite ancient mythologies to support their viewpoints based on the idea that ancient creation myths of gods who descend from the heavens to Earth to create or instruct humanity are representations of alien visitors, whose superior technology accounts for their perception as gods.
The Silurian hypothesis is a thought experiment, [1] which assesses modern science's ability to detect evidence of a prior advanced civilization, perhaps several million years ago. The most probable clues for such a civilization could be carbon, radioactive elements or temperature variation.
Archaeology, Anthropology, and Interstellar Communication is subdivided into four sections, each with several essays. "Historical Perspectives on SETI" is a historiography of NASA's SETI (search for extraterrestrial intelligence) program, which ran for much of the late twentieth century before being dissolved due to lack of funding, and its humanities and social sciences representation.
According to the beliefs of certain New Age movements, Arcturians are a very advanced extraterrestrial civilization from the Arcturus star system who wish to share their knowledge and wisdom with the citizens of Earth. They are described as other-dimensional, advanced star beings. [1]
Freitas finds numerous reasons why interstellar probes may be a preferred method of communication among extraterrestrial civilizations wishing to make contact with Earth. A civilization aiming to learn more about the distribution of life within the galaxy might, he speculates, send probes to a large number of star systems, rather than using ...
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.
The atmosphere of Earth is rich in nitrogen dioxide as a result of air pollution, which can be detectable. The natural abundance of carbon, which is also relatively reactive, makes it likely to be a basic component of the development of a potential extraterrestrial technological civilization, as it is on Earth.
The Forerunners themselves were created by aliens far more ancient, of which the Forerunners had only a mythological understanding of. Dark Void features a race of humanoid shape-shifters called Watchers, who ruled over ancient humans as gods, bringing technology and civilization to Earth. Their human subjects rebelled, and exiled them to the ...