Cassini Sees Saturn Rings Oscillate Like Mini-Galaxy
Scientists believe they finally understand why one of the most dynamic regions in Saturn's rings has such an irregular and varying shape, thanks to images captured by NASA's Cassini spacecraft.
Source: http://www.jpl.nasa.gov/news/news.cfm?release=2010-363&rn=news.xml&rs... "> http://www.jpl.nasa.gov/news/news.cfm?release=2010-363&rn=news.xml&rst=2795
