Fast Facts: Earth

Fast Facts: Earth
Age About the same age as the Sun: 4.5 billion years
Location Solar system
Avg. distance from the Sun 149,600,000 km (92,960,000 miles)
Diameter 12,760 km (7926 miles)
Mass 5.972 x 1024 kg
Orbital period around the Sun 1 year (365 days)
Number of moons 1
Distinguishing features Earth is the only planet to have liquid water on its surface. Liquid water covers 71% of the surface. Its atmosphere is 77% nitrogen and 21% oxygen, with traces of other gases. White clouds of water vapor hide much of Earth's surface.
Earth
The southern hemisphere of Earth (image courtesy of NASA)

Fast Facts: Earth