Details: This poster shows an image of Planet Earth taken from space. The background is black and full of small white stars. Planet Earth is a mixture black, blue, white, and purple.At the bottom it says 'Planet Earth'.
Planet Earth is the third planet from the Sun, and the fifth-largest of the eight planets in the Solar System. It is also the largest, most massive, and densest of the Solar System's four terrestrial planets. It is sometimes referred to as the World, the Blue Planet, or Terra. Home to millions of species, including humans, Earth is the only place in the universe where life is known to exist.