So far we have earth, venus, mars, and the moon. But remember before they said saturn or at least the rings of saturn, jupiters moon europa, and mercury which is suppose to be a "garden world" now. If this game is suppose to last 10 years im sure other planets will be part of the expansions packs they mentioned,i destiny is not an mmo but its all put together how most mmo's have expansion passes that brings new places to explore with extended story and gear which makes the game itself last alot longer, even years. What yal think?