This view is part of a montage of images from the NASA Cassini and Voyager missions shown in PIA07714 . The inset image from the montage is presented here by itself and in its original orientation.
Cassini has observed the D-ring at much higher resolution than was possible for Voyager, revealing surprising fine-scale structures. This narrow-angle camera image was taken on May 21, 2005, and shows the region between the D ring feature named D73 and the inner edge of the C-ring at 2 kilometer (1 mile) per pixel resolution. This region contains a periodic wave-like structure with a wavelength of 30 kilometers (19 miles). The faint horizontal bands in the image are instrumental artifacts.
The fine structure in the D-ring (visible here) could be related to perturbations from the planet or its magnetic field. The Cassini results provide information about the dynamics of ring particles in a new regime -- one very close to the planet and sparsely populated by icy particles the size of dust.
The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL.
|Instrument Host||Cassini Orbiter||Voyager 1|
|Host Type||Orbiter||Flyby Spacecraft|
|Instrument||Imaging Science Subsystem (ISS)|
|Detector||Narrow Angle Camera|
|Extra Keywords||Dust, Grayscale, Magnetosphere, Visual|
|Date in Caption||2005-05-21|
|Image Credit||NASA/JPL/Space Science Institute|