Early Dynamical Evolution of the Solar System:
Implications for Earth's Volatiles

Hal Levison
Southwest Research Institute
Boulder, CO
  1. The dynamical delivery of volatiles (water) to the Earth.

  2. The early dynamical evolution of the giant planets (i.e. the Nice model).
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Disclaimer: I am not a cosmochemist! As such, I can have no opinion about whether we need an external source for the Earth's water. I will simply talk about the dynamics.