Astrophysics (Index)About

Drake equation

(estimate of advanced life in the Milky Way)

The Drake equation is a well-known example of a model relating the number of detectable extraterrestrial advanced civilizations in the galaxy to quantities with the potential for determination or some degree of estimation. The resulting number of interest in the field of SETI (search for extraterrestrial intelligence). The equation was formulated by astronomer Frank Drake in 1961.

N = R* × fp × ne × fl × fi × fc × L


Further reading: