Aspects of Planet Formation in the Primordial Solar Nebula

  • A. E. Ringwood


The initial bulk composition of the primordial solar nebula was essentially similar to that of the present sun (Fig. 2.2). At low temperatures, the nebula would consist of dust particles associated with a gas phase composed of hydrogen and helium. The dust particles would be composed of two principal classes of material : (a) ices, representing the frozen hydrides of O, C, N, Cl, plus Ne and Ar, and (b) rock, representing the relatively involatile metallic oxide components. The weight proportions of gas, ice, and rock in the nebula are given in Table 6.1. The overwhelming preponderance of hydrogen and helium is to be noted.


Dust Particle Metallic Iron Terrestrial Planet Ecliptic Plane Solar Nebula 
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Copyright information

© Springer-Verlag New York Inc. 1979

Authors and Affiliations

  • A. E. Ringwood
    • 1
  1. 1.Research School of Earth SciencesAustralian National UniversityCanberraAustralia

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