The distribution of gases in the protoplanetary nebula

J. R. Jokipii

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


It is demonstrated that the distribution of elements in the solar system may be connected with solar magnetic fields. Relative diffusion of neutral particles and ions in a magnetic field ("ambipolar diffusion") separates elements of different ionization potential. A simple model of the origin of the solar system which takes account of ambipolar diffusion succesfully predicts relative terrestrial abundances of the noble gases Ne, A, Kr, and Xe.

Original languageEnglish (US)
Pages (from-to)248-252
Number of pages5
Issue number3
StatePublished - Sep 1964
Externally publishedYes

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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