Related terms:
fermi paradox
drake equation
anthropic principle
astrobiology
extraterrestrial civilizations
microbial life
rare earth hypothesis
habitable planets
kepler mission
planetary habitability
frank drake
cosmologists
life on earth
tipler
carl sagan
our universe
seti
cosmological constant
extraterrestrial life
extrasolar planet
steady state
civilizations
evolve
Wikipedia sources:
Fermi paradox
Evolution: The Game of Intelligent Life
Drake equation
Rare Earth hypothesis
Extraterrestrial life
Anthropic principle
Fred Hoyle
Ultimate fate of the universe
Cosmological constant
Astrobiology
Context for words:
intelligent
life
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