Document Detail


Interior structure of neptune: comparison with uranus.
MedLine Citation:
PMID:  17772369     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Measurements of rotation rates and gravitational harmonics of Neptune made with the Voyager 2 spacecraft allow tighter constraints on models of the planet's interior. Shock measurements of material that may match the composition of Neptune, the so-calied planetary ;;ice,'' have been carried out to pressures exceeding 200 gigapascals (2 megabars). Comparison of shock data with inferred pressure-density profiles for both Uranus and Neptune shows substantial similarity through most of the mass of both planets. Analysis of the effect of Neptune's strong differential rotation on its gravitational harmonics indicates that differential rotation involves only the outermost few percent of Neptune's mass.
Authors:
W B Hubbard; W J Nellis; A C Mitchell; N C Holmes; S S Limaye; P C McCandless
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  253     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  1991 Aug 
Date Detail:
Created Date:  2010-06-08     Completed Date:  2010-07-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  648-51     Citation Subset:  -    
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