The Drake equation is a mathematical equation used to estimate the number of detectable extraterrestrial civilizations in the Milky Way galaxy. It is used in the field of the Search for ExtraTerrestrial Intelligence (SETI). The equation was devised in 1961 by Frank Drake while at the National Astronomy and Ionosphere Center.
Famous quotes containing the words drake and/or equation:
“The advantage of time and place in all practical actions is half a victory; which being lost is irrecoverable.”
—Francis, Sir Drake (15401596)
“A nation fights well in proportion to the amount of men and materials it has. And the other equation is that the individual soldier in that army is a more effective soldier the poorer his standard of living has been in the past.”
—Norman Mailer (b. 1923)