Related terms:
seti
fermi
our galaxy
frank drake
fermi paradox
habitable
astrobiology
carl sagan
intelligent life
microbial life
other planets
life on earth
microbes
radio telescope
rare earth
microbial
rare earth hypothesis
anthropic principle
habitable zone
interstellar
technologically advanced
extraterrestrial life
extraterrestrial civilizations
extraterrestrial intelligence
civilizations
extraterrestrial
meteorite
planets
milky way
solar system
Wikipedia sources:
Drake equation
Fermi paradox
Panspermia
SETI
Rare Earth hypothesis
Extraterrestrial life
Context for words:
drake
equation
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