EARTH DATA :
Diameter : 12,756 km ( 7,926 miles )
Equator : 12,713 km ( 7,899 miles ) at poles
Age : 4.6 billion years old
Distance from sun : 150 million km ( 93 million miles)
Mass : 5,854 billion billion tonnes
Area : 29.2 % land , 70.8 % water
Orbiting time : 365.26 days
Orbiting speed : 29.8 km /sec ( 18.5 miles/sec )
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