Which of the following statements best reflects our current knowledge about the term ( f_life in the equation Number of Civilizations = N HP × ( f_life × f_civilization × f now?
A) The value of f_life is either 0 or 1.
B) The value of f_life is between 0 and 1.
C) The value of f_life is less than 0.0000001 .
D) The value of f_life is equal to 1/2.
E) The value of f_life is greater than 10.

Question

Which of the following statements best reflects our current knowledge about the term ( f_life in the equation Number of Civilizations = N HP × ( f_life × f_civilization × f now?
A) The value of  f_life is either 0 or 1.
B) The value of f_life is between 0 and 1.
C) The value of f_life is less than 0.0000001 .
D) The value of f_life is equal to 1/2.
E) The value of f_life is greater than 10.

Quizplus · Accepted Answer

Our current understanding of the frequency at which life develops in the universe is limited. Therefore, f_life is most likely a probability between 0 and 1, indicating the likelihood of life emerging on a planet with suitable conditions.

Which of the Following Statements Best Reflects Our Current Knowledge