Probabilities: The Astronomical Factors

  • Michael A. G. Michaud


Guthke may have been too dismissive when he wrote that the Drake equation is made up entirely of unknowns.1 Since that equation was written, there have been significant scientific findings affecting some of its factors.


Solar System Planetary System Habitable Zone Extrasolar Planet Circumstellar Disk 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media, LLC 2007

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  • Michael A. G. Michaud

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