<P> The Drake equation is a probabilistic argument used to estimate the number of active , communicative extraterrestrial civilizations in the Milky Way galaxy . The number of such civilizations N , is assumed to be equal to the mathematical product of </P>
<P> The Drake equation is a probabilistic argument used to estimate the number of active , communicative extraterrestrial civilizations in the Milky Way galaxy . The number of such civilizations N , is assumed to be equal to the mathematical product of </P>
what is the purpose of the drake equation
what is the purpose of the drake equation
to estimate the number of active , communicative extraterrestrial civilizations in the Milky Way galaxy
to estimate the number of active , communicative extraterrestrial civilizations in the Milky Way galaxy