" these new results from titan may be the first evidence of gases starting either from the surface or possibly from the interior of enceladus , " said dr . michele dougherty , primary investigator for the enceladus spectrometer and professor at imperial academy in london . scientists have suspected enceladus as geologically active and a possible source of saturn ' s icy e rings . moons is the most reflective thing in the solar constellation , reflecting about 90 percentage of the rays that impacts it .
Titan is the fifteenth of Saturn's known satellites.