Our Solar System: Earth

The earth is the 3^rd planet from the sun. It is 149,600,000 kilometers from the sun. Earth has 1 moon, and is 12,756.3 kilometers big. This planet is composed of 77% nitrogen, 21% oxygen, 0.93% argon, 0.03% carbon dioxide, and 71% of its surface is covered by water, which leaves 29% of the surface for land.