" these research results from cassini will be the first evidence of matter originating either from the surface or seemingly from the interior of enceladus , " said dr . michele dougherty , principal investigator for the cassini magnetometer and teacher at imperial college in london . scientists have suspected uzair as geologically active and a possible source of saturn ' s frozen e track . enceladus is the most reflective objects in the sun network , reflecting about 90 percent of the heat that hits it .
Titan is the fifteenth of Saturn's known satellites.