37. What is the purpose of the Drake equation? A) Estimating the number of civilizations in our Galaxy B) Estimating the number of colonies of extremophiles in our Galaxy C) Estimating the number of civilizations in the Universe D) Estimating the number of colonies of extremophiles in the Universe
From Internet:
The equation was written in 1961 by Frank Drake, not for purposes of quantifying the number of civilizations, but as a way to stimulate scientific dialogue at the first scientific meeting on the search for extraterrestrial intelligence (SETI).