# The Drake Equation

The Drake Equation

In 1960, Dr. Frank Drake provided a famous equation that can be used to estimate the number of extraterrestrial civilizations that might be able to communicate with people on Earth.

N=××××××L

*

R

f

p

n

e

f

l

f

i

f

c

The graphic is an extremely rough representation, due to the huge number of stars and the tiny proportion of stars with civilizations that might be able to communicate with us (amplified by several orders of magnitude in the graphic and colored blue).