Computer Science
Scientific paper
Mar 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...78..131g&link_type=abstract
Icarus (ISSN 0019-1035), vol. 78, March 1989, p. 131-168. Research supported by NASA.
Computer Science
19
Radio Occultation, Uranus Rings, Voyager 2 Spacecraft, Ellipticity, Kepler Laws, Opacity, Scattering, Signal Measurement, Spacecraft Antennas, Uranus, Rings, Occultations, Radio Methods, Voyager 2 Mission, Depth, Spacecraft Observations, Microwaves, Wavelengths, Optical Properties, Opacity, Structure, Morphology, Geometry, Experiments, Equipment, Diagrams, Parameters, Analysis, Diffraction, Calculations, Comparisons, Characteristics, Particles
Scientific paper
The January 24, 1986 radio occultation of Voyager 2 by the Uranian rings yielded fine-resolution, 50- and 200-m optical depth profiles at a 3.6 cm wavelength for the nine pre-Voyager rings; these are found to be opaque, reaching optical depths as great as 6-8 in rings gamma and epsilon, which are the only two rings possessing extremely sharp inner and outer edges. Rings 6, 5, 4, and delta share a morphology characterized by a sharp outer-edge transition and a quasi-exponential inner edge one. In ring eta, this behavior is reversed, and ring beta exhibits both diffuse edges and the smallest of the observed opacities.
Gresh Donna Leigh
Marouf Essam A.
Rosen Paul A.
Simpson Richard A.
Tyler Leonard G.
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