None of the planets listed (I may have missed something, let me know) have rain. Here on Earth Antarctica is a desert even though it is covered with water (http

None of the planets listed (I may have missed something, let me know) have rain. Here on Earth Antarctica is a desert even though it is covered with water (https://en.wikipedia.org/wiki/Climate_of_Antarctica https://en.wikipedia.org/wiki/Climate_of_Antarctica). First time I have ever heard "zettaliter" That is a lot of water bottles.