Summary
An artist's conception of the rings of Rhea, with Saturn in the background.
Original caption
This is an artist concept of the ring of debris that may orbit Saturn's second-largest moon, Rhea. The suggested disk of solid material is exaggerated in density here for clarity.
Due to a decrease in the number of electrons detected by NASA's Cassini spacecraft on either side of the moon, scientists suggest that rings are the likeliest cause of these electrons being blocked before they reach Cassini.
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. The magnetospheric imaging instrument was designed, built and is operated by an international team led by the Applied Physics Laboratory of the Johns Hopkins University, Laurel, Md.
For more information about the Cassini-Huygens mission, visit <http://saturn.jpl.nasa.gov/home/index.cfm> and the instrument team's home page, <http://sd-www.jhuapl.edu/CASSINI/index.html>.
Copyright status
This image is credited to NASA and the Jet Propulsion Laboratory. Per JPL/NASA policy and applicable United States federal law, such images are in the public domain, or, if they are owned by individuals or institutions other than NASA or JPL, may be used for any journalistic, educational, or personal purpose (but not a commercial purpose) without further authorization. NASA and JPL images, other than their respective institutional logos, or photographs of actual persons, are not subject to copyright and may be used without additional permission, unless otherwise declared. For details, see the JPL Image Use Policy Declaration.
Source
Credit: NASA/JPL/JHUAPL <http://photojournal.jpl.nasa.gov/jpeg/PIA10246.jpg>
