Cassini Passes Through Ice Plumes of Enceladus . ... Credit Copyright: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: What telling impurities taint the ice plumes of Enceladus? ... At this closest-ever approach , Cassini attempted to sniff and obtain chemical data on particles ejected from Enceladus' regular surface, while at other times Cassini flew right through -- and sampled -- ice geysers directly. ... NASA Web Site Statements, Warnings, and Disclaimers . ...