Francis Drake Equation
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14 Terms
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what is the francis drake equation
N= R* fp ne f l f i fc L
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N
Number of cilvilzations
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R
rate of of sun like stars formed in in the our galaxy ( 1 star per year )
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Fp
fraction of stars that have planets ( asume it has 1 )
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Ne
number of planets a environment suitable of life
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FL
fraction of those planets where life might have evolved
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Fi
fraction of those planets that have INTELLIGENT LIFE
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Fc
fraction of those planets that don't just have intelligent life but have formed civilizations with technology capable of communication
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L
the life expectancy of that civilization
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Note 
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