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Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?
4.05
28
20 comments
20
Fermi Paradox Series
Drake's Equation 2nd parameter f_p: What fraction of stars form planets?
8.59e-1
37
17 comments
17
Fermi Paradox Series
Drake's Equation 3rd parameter n_e: What is the average number of habitable planets per star?
4.53e-2
26
11 comments
11
Fermi Paradox Series
Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?
4.74e-4
42
24 comments
24
Fermi Paradox Series
Drake's Equation 5th Parameter f_i: On what fraction of habitable planets with life does intelligence evolve?
2.62e-4
28
10 comments
10
Fermi Paradox Series
Drake's Equation 6th parameter f_c: What fraction of planets with intelligent life are capable of interstellar communication?
1.65e-1
30
14 comments
14
Fermi Paradox Series
Drake's Equation 7th parameter L: For how many years does a civilization remain detectable?
29.2k
28
23 comments
23
Fermi Paradox Series
Discussion page for the Fermi Paradox question series
13
1 comment
1
Fermi Paradox Series