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)
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
OCEANS OF THE WORLD (by size)
Pacific (155,557,000 sq km)
Atlantic (76,762,000 sq km)
Indian (68,556,000 sq km)
Southern (20,327,000 sq km)
Arctic (14,056,000 sq km)
Note the Southern Ocean was approved in 2000 by the International Hydrographic Organization. It is now the fourth largest ocean.
OCEANS' GREATEST DEPTHS
Mariana Trench, Pacific Ocean 35,827 ft
Puerto Rico Trench, Atlantic Ocean 30,246 ft
Java Trench, Indian Ocean 24,460 ft
Arctic Basin, Arctic Ocean 18,456 ft
DEEPEST OCEANS & SEAS
Pacific Ocean (35,827 ft) (10,924 meters)
Atlantic Ocean (30,246 ft) (9,219 meters)
Indian Ocean (24,460 ft) (7,455 meters)
Caribbean Sea (22,788 ft) (6,946 meters)
Arctic Ocean (18,456 ft) (5,625 meters)
South China Sea (16,456 ft) (5,016 meters)
Bering Sea (15,659 ft) (4,773 meters)
Mediterranean Sea (15,197 ft) (4,632 meters)
Gulf of Mexico (12,425 ft) (3,787 meters)
Japan Sea (12,276 ft) (3,742 meters)
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