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Ward and Brownlee argue that the universe is fundamentally hostile to complex life and that while microbial life may be common in the universe, complex intelligent life (like the evolution of biological complexity from simple life on Earth) requires an exceptionally unlikely set of circumstances, and therefore complex life is likely to be extremely rare.
It contains Barlowe's visualizations of different extraterrestrial life forms from various works of science fiction, with information on their planetary location or range, biology, and behaviors, in the style of a real field guide for animals. It was nominated for an American Book Award and for the 1980 Hugo Award for Best Related Work.
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 ...
[5] A Daily Kos book reviewer writes that Interstellar "provides a realistic and practical blueprint for how a [human and alien life] interaction might actually occur, resetting our cultural understanding and expectation of what it means to identify an extraterrestrial object. ... [the author] also lays out the profound implications of becoming ...
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.
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]
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.
The implications of extraterrestrial contact depend on the method of discovery, the nature of the extraterrestrial beings, and their location relative to the Earth. [19] Considering these factors, the Rio scale has been devised in order to provide a more quantitative picture of the results of extraterrestrial contact. [ 19 ]