image of Айзък Азимов

Айзък Азимов

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Exploring the Earth and the Cosmos is a book written by Isaac Asimov in 1982.

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Extraterrestrial Civilizations is a book written by Isaac Asimov in 1979, wherein the probability of there being intelligent extraterrestrial civilizations within the Milky Way galaxy is estimated. This estimation is approached by progressively analyzing the requirements for life to exist.