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Planet Earth – Details, Facts & Figures

Estimated Weight (mass) 5,940,000,000,000,000,000,000 metric tons

Estimated Age 4.6 billion years

Current Population 5,985,000,000

Surface Area (510,066,000 sq km)

Land Area (148,429,000 sq km) 29.1%

Ocean Area (361,637,000 sq km) 70.9%

Total Water Area (382,672,000 sq km)

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 every 365 days, 5 hours, 48 minutes and 46 seconds, at a speed of (66,700 mph), (107,320 km per hour)

To convert km (kilometers) to miles, multiply kilometers by: 0.621371

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About the Author

John Moen is a cartographer who along with his wife are the orignal founders of worldatlas.com. He and his wife, Chris Woolwine-Moen, produced thousands of award-winning maps that are used all over the world and content that aids students, teachers, travelers and parents with their geography and map questions. Today, it's one of the most popular educational sites on the web.

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This page was last updated on August 7, 2015.