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Monday, March 1, 2010

Planet Earth


Diameter : 12,739.2 km.
Moon : 1
Density : 5,52g/cm cube
Average distance to the sun : 149 .8 million km
Time to orbit sun ; 365.30 days.
Estimate Weight (mass)(5,940,000,000,000,000,000 metric tons).
Estimate Age : 4.5 billion years
Surface area (510,066.000 sq km) the only Planet in the solar system to suppot life.

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