The correct pronunciation is this: "Shhlitt-ler." You're essentially just making a "shh" sound over the word lit, then saying "ler" as the second syllable, all in one. See, it's not that hard!
Every generation of science teachers has faced the same cosmic dilemma: how do you say Uranus without triggering a room full of laughter? The seventh planet from the Sun may be an ice giant, but its ...