Related terms:
seti
probes
detect
carl sagan
fermi paradox
telescope
seti institute
drake equation
arecibo message
interstellar
radio telescope
extraterrestrial
interstellar communication
extraterrestrial life
extraterrestrial civilizations
Wikipedia sources:
SETI
Fermi paradox
SETI@home
Communication with Extraterrestrial Intelligence
Context for words:
extraterrestrial
intelligence
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