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Outer planets satellitesThe present investigation takes into account the published literature on outer planet satellites for 1979-1982. It is pointed out that all but three (the moon and the two Martian satellites) of the known planetary satellites are found in the outer solar system. Most of these are associated with the three regular satellite systems of Jupiter, Saturn, and Uranus. The largest satellites are Titan in the Saturn system and Ganymede and Callisto in the Jupiter system. Intermediate in size between Mercury and Mars, each has a diameter of about 5000 km. Presumably each has an internal composition about 60 percent rock and 40 ice, and each is differentiated with a dense core extending out about 75 percent of the distance to the surface, with a mantle of high-pressure ice and a crust of ordinary ice perhaps 100 km thick. Attention is also given to Io, Europa, the icy satellites of Saturn, the satellites of Uranus, the small satellites of Jupiter and Saturn, Triton and the Pluto system, and plans for future studies.
Document ID
19830057050
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Morrison, D.
(Hawaii, University Honolulu, HI, United States)
Date Acquired
August 11, 2013
Publication Date
March 1, 1983
Publication Information
ISSN: 0034-6853
Subject Category
Lunar And Planetary Exploration
Accession Number
83A38268
Funding Number(s)
CONTRACT_GRANT: NGL-12-001-057
CONTRACT_GRANT: NSG-7633
Distribution Limits
Public
Copyright
Other

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