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|Title: ||Iapetus’ geophysics : rotation rate, shape, and equatorial ridge|
|Authors: ||Castillo-Rogez, J. C.|
Matson, D. L.
Johnson, T. V.
Lunine, J. I.
Thomas, P. C.
large icy satellites
|Issue Date: ||30-Mar-2007 |
|Publisher: ||Elsevier Inc|
|Citation: ||Icarus 190 (2007) 179–202 doi:10.1016/j.icarus.2007.02.018|
|Abstract: ||Iapetus has preserved evidence that constrains the modeling of its geophysical history from the time of its accretion until now. The evidence is (a) its present 79.33-day rotation or spin rate, (b) its shape that corresponds to the equilibrium figure for a hydrostatic body rotating with a period of similar to 16 h, and (c) its high, equatorial ridge, which is unique in the Solar System. This paper reports the results of an investigation into the coupling between Iapetus’ thermal and orbital evolution for a wide range of conditions including the spatial distributions with time of composition, porosity, short-lived radioactive isotopes (SLRI), and temperature....|
|Appears in Collections:||JPL TRS 1992+|
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