Astronomy relies on seeing in many different wavelengths beyond the mere optical visible to our puny human eyes. See for yourself in interactive images of iconic astronomical objects that allow you to seamlessly slip between seeing through different spectral bands.
If Saturn was a star, it might well be Fomalhaut. Much like our neighboring gas giant, this star is surrounded by a gigantic ring of dust. The disc gets its sharp, ring-like structure from two planets, one on either side.