Cassini sees Saturn rings oscillate like mini-galaxy (w/ Video)
Monday, November 1, 2010 - 18:30
in Astronomy & Space
(PhysOrg.com) -- 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. And the answer, published online today in the Astronomical Journal, is this: The rings are behaving like a miniature version of our own Milky Way galaxy.