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Feature | Value |
---|---|
Land surface | 149,000,000 km² (29.2% of total surface) |
Water surface | 361,000,000 km² (70.8% of total surface) |
Equatorial circumferences | 40,075 km (24,901 mi) |
Meridional circumference | 40,009 km (24,860 mi) |
Equatorial diameter | 12,756.3 km (7,926.4 mi) |
Polar diameter | 12,714 km (7,900 mi) |
Polar radius | 6,356.89 km (3,949.99 mi) |
Volume of the Earth | 1,080,000,000,000 km³ |
Mass | 5.98x1024 kg |
Continents and Land Masses | Area (km²) | Percent |
---|---|---|
World | 149,000,000 | 100 |
Afro-Eurasia | 84,580,000 | 57 |
Eurasia | 54,210,000 | 36 |
Asia | 43,810,000 | 29 |
Americas | 42,330,000 | 28 |
Africa | 30,370,000 | 20 |
North America | 24,494,000 | 16 |
South America | 17,840,000 | 12 |
Antarctica | 13,720,000 | 9.2 |
Europe | 10,400,000 | 7 |
Oceania | 9,142,000 | 6 |
Australia-New Guinea | 8,500,000 | 5.7 |
Australia mainland | 7,600,000 | 5.1 |
Continents and Land Masses | Population (approx.) | Percent | Density (h/km²) |
---|---|---|---|
World | 7,560,000,000 | 100 | 43.29 |
Afro-Eurasia | 5,400,000,000 | 84 | 63.84 |
Eurasia | 4,510,000,000 | 70 | 83.19 |
Asia | 3,800,000,000 | 59 | 86.74 |
Africa | 990,000,000 | 14 | 21.03 |
Americas | 986,000,000 | 14 | 29.17 |
Europe | 770,000,000 | 11 | 70.15 |
North America | 515,000,000 | 8 | 28.87 |
South America | 471,000,000 | 5.8 | 27.04 |
Oceania | 40,800,000 | 0.55 | 3.44 |
Australia-New Guinea | 30,000,000 | 0.5 | 3.28 |
Australia mainland | 23,000,786 | 0.3 | 2.47 |
Antarctica | 1,000 | 0.002 | ~0.00 |
Compound | Formula | Continental Composition | Oceanic Composition |
---|---|---|---|
silica | SiO₂ | 60.60% | 50.10% |
alumina | Al₂O₃ | 15.90% | 15.70% |
lime | CaO | 6.41% | 11.80% |
magnesia | MgO | 4.66% | 10.30% |
iron oxide | FeOT | 6.71% | 8.30% |
sodium oxide | Na₂O | 3.07% | 2.21% |
potassium oxide | K₂O | 1.81% | 0.11% |
titanium dioxide | TiO₂ | 0.72% | 1.10% |
phosphorus pentoxide | P₂O₅ | 0.13% | 0.10% |
manganese oxide | MnO | 0.10% | 0.11% |
Depth km | Component Layer | Density g/cm3 |
---|---|---|
0-60 | Lithosphere | — |
0-35 | Crust | 2.2-2.9 |
35-660 | Upper mantle | 3.4-4.4 |
660-2890 | Lower mantle | 3.4-5.6 |
100-700 | Asthenosphere | — |
2890-5100 | Outer core | 9.9-12.2 |
5100-6378 | Inner core | 12.8-13.1 |
Plate name | Area 10⁶ km² |
---|---|
Pacific Plate | 103.3 |
African Plate | 78 |
North American Plate | 75.9 |
Eurasian Plate | 67.8 |
Antarctic Plate | 60.9 |
Indo-Australian Plate | 47.2 |
South American Plate | 43.6 |