Extraterrestrial Civilizations
first publication date: 1979
original title: Extraterrestrial Civilizations
original language: English
main subject: extraterrestrial life
Extraterrestrial Civilizations is a 1979 book by Isaac Asimov, in which the author estimates the probability of there being intelligent extraterrestrial civilizations within the Milky Way galaxy. This estimation is approached by progressively analyzing the requirements for life to exist. Source: Wikipedia (en)
Editions
3- date of publication: 2011ISBN-13: 978-0-307-79230-3
- date of publication: 1981ISBN-13: 978-0-330-26249-1
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Work - wd:Q3678790