Earth is unique planet because Earth is only a one planet that have a life possible it has many States of matter it have a all source of thing that other planet do not exist Earth is only a planet that has water on their large amount surface and it has so much greenery earth has a many points or a feature that cannot exist or do not have on other planet like earth contain oxygen and large amount of carbon dioxide and it has rain of water it is only planet that can do water cycle on the places it has many types of places and the oceans that's rule from the human and earth has one moon that different from the other moon.