myth and facts

Title : The Earth at a glance Previous topic PreviousNext Next topic

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 

Orbit Speeds                                                  The earth orbits 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 km (kilometers) to miles, multiply kilometers by: 0.621371 

* To convert sq km (kilometers) to sq miles, multiply kilometers by: 0.386102 

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