Saturn's Strange Moon Iapetus May Have Been Deformed by Impact

A giant impact early in the history of Iapetus deformed the Saturnian moon, flattening its poles and producing a spiky, equatorial mountain range.



via Wired Top Stories http://www.wired.com/wiredscience/2012/12/iapetus-ridge-theory/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Top+Stories%29