Astrophysics (index)about

Drake equation

(estimate of advanced life in the Milky Way)

The Drake equation is a well-known example of a model to estimate the number of detectable extraterrestrial advanced civilizations in the galaxy, a number of interest in the field of SETI (search for extraterrestrial intelligence). It was formulated by astronomer Frank Drake in 1961. The equation:

N = R* × fp × ne × fl × fi × fc × L