Donald R. Davis

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Donald R. Davis is an American astronomer specializing in the evolution of the solar system.[1] With William K. Hartmann, he was responsible for proposing a theory in 1975 of the creation of earth's moon by a catastrophic collision.[2] Asteroid number 3638 is named in honor of Dr. Davis.[1]


  1. ^ a b "Dr. Donald R. Davis". Retrieved 4 November 2014. 
  2. ^ "The Origin of the Moon". Retrieved 4 November 2014.