Life Outside Our Solar System
Life Outside Our Solar System
The Drake Equation
The Drake Equation
? One of the tools used to predict the prevalence of life outside the solar system
? Created by Frank Drake in 1960
? Creates an estimate for the number of galactic civilizations that could potentially communicate with Earth
The Equation
What Does It Mean?
R*
? R* is the average rate of star formation per year in the Milky Way
? In his original trials, Drake set this number at about 10/year, based on the astronomical data available at the time
? Recent calculations place this number closer to 7/year
? This is the least disputed figure of the equation, as it is supported by actual data
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