But these haze particles, it was surmised, before we got there with Cassini, over billions and billions of years, gently drifted down to the surface and coated the surface in a thick organic sludge.
Esas partículas de aerosol, pensábamos, antes de que llegásemos con Cassini, durante miles de millones de años descendieron suavemente a la superficie y recubrieron la superficie con una capa espesa