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  3. 2. the drake equation: (a) what, exactly, does the

2. The Drake Equation: (a) What, exactly, does the Drake Equation estimate? (b) If you are like...

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Physics

2. The Drake Equation:

(a) What, exactly, does the Drake Equation estimate?

(b) If you are like Frank Drake or Carl Sagan, you are anoptimist who believes that the development of life, intelligence,and technological civilizations are not \"vanishingly small\", butare typical. That is, that what happened on earth is not rare.Explain them why Drake and Sagan would say that \"N=L\" is a goodapproximation to the Drake Equation.  

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