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Erratum: Drake equation

Greetings from the Bay Area in California, USA!

I have spotted an error for the “Drake equation” in the online OED.
The online entry says R*fpneflfcL. However, this equation actually
includes the factor fi (the fraction of planets that develop intelligent life).

Thus, the equation should read: R*fpneflfifcL.

Thank you,
Tristan Saldaña
Berkeley, CA


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