COMPOSITION OF EARTH
- Area of Earth: 51, 000, 000, 0 Sq. Km (19,70,000,00 Sq. Miles)
- Equatorial Diameter of Earth: 12,756 K.M
- Polar Diameter : 12,714 K.M
- Polar Radius: 6,371 K.M
- Distance difference between Polar and Equatorial Diameter: 42 K.M (0.3%)
- Distance between Sun and Earth: 14, 88,000.00 K.M (9, 30, 000, 00 Miles).
- Perimeter of Earth: 40,800 K.M
-
- Total Water Surface Area: Around 37,000,000,0 Sq. K.M (71% of total Earth Area)
S.N
|
Layer
|
Total Area
%
|
Thickness and (Density)
|
Element
|
1.
|
Barysphere
|
16
|
60 K.M in Continent
20 to 0 K.M in Ocean
(2.75 to 2.9 gm/cm3)
|
Silica and Aluminum
(SIAL)
|
2
|
Pyrosphere
|
68
|
60 to 2900 K.M
(3.1 to 5.0 gm/cm3)
|
Silica and Magnesium
(SIMA)
|
3
|
Lithosphere
|
16
|
2900 to 6371 K.M
(5.1 to 11 gm/ cm3)
|
Nickel and Fermium (NIFE)
|