Meridional circumference..........

24,856 miles.

Equatorial circumference...................................

24,899 ,,

Equatorial mean diameter...................................

7926.6 ,,

Polar (or shortest) diameter.......

7899.6 ,,

Area of the earth..............................

197,000,000 sq. miles.

Water surface of earth......................

141,000,000 ,,

Land surface of earth.......................

56,000,000 ,,

Volume of earth......

260,000,000,000 cubic miles.

Mass of earth.........

6,000,000,000,000,000,000,000 tons.

Mean distance from the sun............

92, 800,000 miles