Clothing and merchandise inspired by the wonderful places,people, creatures and cultures of this place we call Earth. Tons of national and state flags, coat of arms, state seals and symbols. Earth is the third planet from the Sun and is the largest of the terrestrial planets in the Solar System, in both diameter and mass. It is also referred to as the Earth, Planet Earth, and the World, and in some contexts, Gaia and Terra. Home to millions of species, including humans, Earth is the only place in the universe where life is known to exist.