Important Facts about Earth

Important Facts about the Earth	Value
Mass of the Earth	5.880 × 10²¹ tons
Density of the Earth	5.517 times that of water
Volume of the Earth	1.083 × 10¹² cubic km
Approximate Age of Earth	4500 million years
Total Surface Area of Earth	512,07,000 sq km
Total Land Hemisphere on Earth	149,526,000 sq km
Total Water Hemisphere on Earth	362,544,000 sq km
Diameter at the Equator	12,755 km
Diameter at the Poles	12,712 km
Mean Diameter	12,734 km
Mean Distance from the Sun	149,407,000 km
Time for Rotation on its Own Axis	23 hours, 56 min, 4.09 sec
Period for Revolution around the Sun	365 days, 5 hours, 48 min, 45.51 sec
Highest Point of Land Surface	Mt. Everest (8,848 m)
Lowest Point of Land Surface	Shores of Dead Sea (396 m below sea level)
Greatest Ocean Depth	Mariana Trench, east of Philippines (11,033 m below sea level)