" these new results from cassini shall be the first evidence of smoke originating either from the surface or seemingly from the exterior of enceladus , " said dr . michele dougherty , principal author for the huygens breathalyzer and professor at olympic college in cambridge . scientists have suspected enceladus as geologically unstable and a possible source of saturn ' s icy e ring . enceladus is the most reflective object in the solar constellation , focusing about 90 times of the photon that hits it .
Titan is the fifteenth of Saturn's known satellites.