Consistency tests of cosmogonic theories from models of Uranus and Neptune

M. Podolak*, R. T. Reynolds

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The planetary ratios of ice to rock ( I R) abundances expected in Uranus and Neptune are derived on the basis of several cosmogonic theories. For both Uranus and Neptune the value of I R lies between about 1.0 and 3.6. This value is difficult to reconcile with a scenario in which N and C are accreted primarily in the form of N2 and CO. It is consistent with some versions of both giant protoplanet theories and equilibrium accretion theories.

Original languageEnglish
Pages (from-to)102-111
Number of pages10
Issue number1
StatePublished - Jan 1984


FundersFunder number
National Aeronautics and Space AdministrationNCA 2-OR-340-002


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