Help with astronomy.docx
My best estimate for the factors f life, f civ, and f now are given below:
f life = 10^-3. Considering one billion suitable planets with possible life it is a reasonable estimate
f civ = 10^-4 this is lower because civilization factor of possible life is low
f now = 10^-2 considering 10^10 suitable planets it is reasonable
So N civ = 10 x 10^9 x 10^-3 x 10^- 3 x 10^-2
N civ = 10^10 x 10^-8
N civ = 10^2 =100
Answer: best estimate 100 civilizations with which we could potentially communicate
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