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