Related articles:
Fermi paradox
SETI
Extraterrestrial life
Carl Sagan
Rare Earth hypothesis
Life
Abiogenesis
Kardashev scale
Michael Crichton
Planet
Key terms:
drake
em
planets
civilizations
galaxy
drake equation
seti
times f
intelligent
fraction
green bank
extraterrestrial
our galaxy
interstellar
habitable
fermi paradox
intelligent life
estimated by drake
billions
number of planets
carl sagan
extraterrestrial civilizations
fraction of the above
life on earth
average number
degrees of freedom
reappearance number
above that actually go
actually go on to develop
habitable zones
same planet
planet where
meti
such civilizations
able to communicate
green bank meeting
short story
develop life
frank drake
lak
tus
per star
star formation rate
anthropic principle
gah
potentially support
extraterrestrial communication
fraction of communicative civilizations
abiogenesis
roddenberry
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