What can rapid terrestrial biogenesis tell us about life in the universe

  title={What can rapid terrestrial biogenesis tell us about life in the universe},
  author={C. Lineweaver and Tamara M. Davis},
It is sometimes asserted that the rapidity of biogenesis on Earth suggests that life is common in the Universe. We critically examine the assumptions inherent in this argument. Using a lottery model for biogenesis in the Universe, we convert the observational constraints on the rapidity of biogenesis on Earth into constraints on the probability of biogenesis on other terrestrial planets. For example, if terrestrial biogenesis took less than 200 Myr (and we assume that it could have taken 1… 
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