The Drake Equation: An Article by Torn MacAlester

Intro­duc­tion: Drake equa­tion devel­oped the equa­tion:   where is the rate of star for­ma­tion,  is the frac­tion of stars that have plan­ets, aver­age num­ber of plan­ets per star that could sup­port life,  is the frac­tion of plan­ets that have life, is the frac­tion hav­ing intel­li­gent life,  is the frac­tion that devel­ops suf­fi­cient tech­nol­o­gy, and is the […]