Orbital characteristics
Aphelion 3,041,954,020 km
Perihelion 2,941,961,480 km
Physical characteristics
Mean radius 127,455.9 km
Surface area
204,026,113,880 km²
59,575,625,253 km²
144,450,488,627 km²
Axial tilt 44.4°
Social characteristics
Number of independent states around 100,000 (2005 estimate)
Human population around 3,600,000,000,000 (3 Trillion 600 billion) (2005 estimate)
Kardashev scale rating 0.96 (2005 estimate)

Earth is the third planet in Sol System. It is the only planet known to contain life on the surface.


Earth has:

  • Crust, 0-40 km downwards from the surface, mainly solid, temperature 180-1200 K
  • Mantle, 40-7000 km downwards from the surface, molten, temperature 1200-3000 K
  • Core, 7000-127456 km downwards from the surface, gas/plasma, temperature 3000-100000 K

In terms of mass, Earth is a hollow sphere. The mantle has the greatest density, ~5 kg/dm³, and the core has only ~5 kg/m³. This is possible, because the enormous temperature of the core forces everything to become plasma or gas and lose density.


(some of them)

  • Alandia, 0 (~1 S)
  • Alpinia
  • Britannia, 0
  • Calalithia
  • Cheslovamania
  • Colcarely-Laponia, 1.5 E
  • Cymenia, ~1 E (~0.4 S)
  • Dania
  • Fennia, 1.5 E
  • Francia, 0
  • Gerbalte, 2 E
  • Hibernia
  • Hilannia
  • Ingria, 4.5 E
  • Ischuria
  • Pyrenia
  • Russia, 6.5 E
  • Swednorway, 0
  • Tavastia, 1.5 W

The numbers indicate the number of longitudes the area has moved compared to real world either east or west, (south or north, rarely)


Earth has one big satellite, Moon.

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