The moon and the planets

, Volume 19, Issue 3, pp 327–339 | Cite as

Planet formation process as a phase transition

I: Elementary model
  • Paolo Farinella
  • Paolo Paolicchi


We discuss the condensation of ring-shaped nebular matter into a protoplanet such as an isothermal phase transition. Within an elementary model for this process, we analyze the effect of the relevant physical parameters (mass and temperature of the nebular matter) on the critical width of the ring which allows the transition.


Phase Transition Elementary Model Physical Parameter Formation Process Planet Formation 
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Copyright information

© D. Reidel Publishing Company 1978

Authors and Affiliations

  • Paolo Farinella
    • 1
  • Paolo Paolicchi
    • 1
  1. 1.Osservatorio Astronomico di BreraMerate (Como)Italy

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