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Equation(not really a math one)

  1. Apr 23, 2005 #1
    does anyone know the equation where you put in the number of stars and things like that to find how many life forms there could be? it has some name but i cant remeber it
  2. jcsd
  3. Apr 23, 2005 #2
  4. Apr 24, 2005 #3
    yea that one
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