.gif/330px-Rotating_earth_(large).gif)
World this Earth (pour.Terra, Tellus, symbol: ⊕, ♁; less often called Gaia) - the third, counting from The sunand the fifth largest planet Solar system. The Earth's surface consists of water areas (2/3) and land areas (1/3). The lands are conventionally divided into parts called continents: Eurasia (which includes Europe and Asia), Africa, North America, South America, Australia with Oceania and Antarctica.