There is a equation to calcilate the possibility of having E.T in the space:
N=R*fs*fp*ne*fl*fi*fc*L
Who can tell me how does it come from?? It seems so interesting!
Drake's Equation
There is the equation's web page:
http://www.seds.org/~rme/drake.htm
http://www.seds.org/~rme/drake.htm
誰在線上
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