" these new results from cassini may be the first indication of radiation origin either from the surface or remotely from the exterior of enceladus , " explained mr . michelle dougherty , principal investigator for the hubble magnetometer and director at imperial college in london . science have suspected enceladus as geologically active and a possible source of saturn ' s icy n ring . enceladus is the most absorbing object in the solar zone , reflects about 90 percent of the sunlight that hits it .
Titan is the fifteenth of Saturn's known satellites.