Earth is not perfectly round; it bulges at the equator and is flatter at the poles. From space the planet looks blue with white swirls, created by water and clouds.
Size: Four planets in our solar system are larger and four are smaller than EarthDiameter: 7,926.2 miles (12,756 km)Surface: Earth is made up of water (70%), air, and solid ground. It appears to be the only planet with waterAtmosphere: Nitrogen (78%), oxygen (21%), other gasesRotation of its axis: 23 hours, 56 minutes, 4 secondsRotation around the Sun: 365.2 daysMean Distance from Sun: 92.9 million miles (149.6 million km)Satellites: 1Rings: 0 Return to Planet Index
