Question

Drake's Equation 3rd parameter n_e: What is the average number of habitable planets per star?

11 comments11

Total Forecasters175

Community Prediction4.53e-2

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My Prediction

community

<1e-6

lower 25%

median

upper 75%

>100

...

2.1%

5.51e-3

4.53e-2

3.43e-1

2.1%

Authors:

googolplexbyte

Opened:

Closes:

Scheduled resolution:

Circumstellar habitable zone

Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

4.74e-4

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

8.59e-1

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?

4.08

Comments

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Authors:

googolplexbyte

Opened:

Closes:

Scheduled resolution:

Circumstellar habitable zone

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Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

4.74e-4

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

8.59e-1

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?

4.08

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Drake's Equation 3rd parameter n_e: What is the average number of habitable planets per star?

Make a Prediction

Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?

Comments

Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?

Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?

Drake's Equation 4th parameter f_l: On what fraction of habitable planets does any form of life emerge?

Drake's Equation 2nd parameter f_p: What fraction of stars form planets?

Drake's Equation 1st Parameter R∗: What is the average rate of formation of suitable stars (stars/year) in our galaxy?