THE EARTH
Estimated Weight (mass) : 5,940,000,000,000,000,000,000
metric tons
Estimated Age : 4.6 billion years
Current Population : 6,446,131,714
Surface Area : 510,066,000 sq km
Land Area : 148,647,000 sq km 29.1%
Ocean Area : 335,258,000 sq km
Total Water Area : 361,419,000 sq km 70.9%
Type of Water : 97% salt, 3% fresh
Circumference at the equator : 40,066 km
Circumference at the poles : 39, 992 km
Diameter at the equator : 12,753 km
Diameter at the poles : 12,710 km
Radius at the equator : 6,376 km
Radius at the poles : 6,355 km
the Sun at : 66,700 mph, 107,320 km per hour
Sun Orbit : The earth orbits the Sun every 365
days, 5 hours, 48 minutes and 46 seconds
To convert sq km (kilometers) to sq miles, multiply kilometers by: 0.386102