Mathematics – Dynamical Systems
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pggp.rept...57p&link_type=abstract
In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1986 p 57-58 (SEE N87-23341 16-91)
Mathematics
Dynamical Systems
Dynamical Systems, Kinematics, Resonance, Saturn Rings, Structural Analysis, Data Processing, Electric Discharges, Electrostatic Charge, Magnetic Fields, Satellite Imagery, Voyager Project
Scientific paper
Several noteworthy phenomena in Saturn's rings were investigated which have until now received an inadequate amount of attention. Among these are the periodic variation of the spokes in the B ring and eccentric features throughout the rings. One of the major discoveries by Voyager was the existence of eccentric features within the predominantly circular rings of Saturn. Several of these nonaxisymmetric features are narrow elliptical rings which share many characteristics with the rings of Uranus. In recent work, two narrow ringlets were added to the list of eccentric features in the rings of Saturn. Voyager imaging and occultation data are now in hand, as well as image-processing software which allows accurate absolute positional measurements to be made in Voyager imaging data. Work is in progress to re-examine this region of Saturn's rings and to study the possibility of a dynamical interaction between the outer B ring edge, the Huygens ringlet and the nearby Mimas 2:1 resonance. An understanding of the kinematics and dynamics of this region promises to yield important clues to a matter of great interest in both theoretical and observation ring studies.
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