24 comments
192 forecasters
Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?
Current estimate
8.9×10⁻⁴%
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Authors:
Opened:Aug 22, 2018
Closes:Sep 7, 2118
Scheduled resolution:Sep 7, 2118
Spot Scoring Time:Aug 24, 2018
Drake's Equation 2nd parameter f_p: What fraction of stars form planets?
0.874%
(0.681 - 0.957)
0.874%
(0.681 - 0.957)
175 forecasters
Drake's Equation 5th Parameter f_i: On what fraction of habitable planets with life does intelligence evolve?
3.73×10⁻⁴%
(1.13×10⁻⁸ - 0.0586)
3.73×10⁻⁴%
(1.13×10⁻⁸ - 0.0586)
164 forecasters
Drake's Equation 3rd parameter n_e: What is the average number of habitable planets per star?
0.0522 planets/star
(0.00742 - 0.342)
0.0522 planets/star
(0.00742 - 0.342)
176 forecasters