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Facts and figures of Planet Earth

The Earth is the third planet from the Sun. It is the largest of the terrestrial planets in the Solar System in diameter, mass and density.

   
Mean radius 6,371.0 km
Equatorial radius 6,378.1 km
Polar radius 6,356.8 km
Flattening 0.0033528
Circumference 40,075.02 km (equatorial)
  40,007.86 km (meridional)
  40,041.47 km (mean)
Surface area 510,072,000 km²
  148,940,000 km² land (29.2 %)
  361,132,000 km² water (70.8 %)
Volume 1.0832073×1012 km³
Mass 5.9736×1024 kg
Mean density 5.5153 g/cm³
Equatorial surface
gravity
9.780327 m/s²
0.99732 g
Escape velocity 11.186 km/s
Sidereal rotation
period
0.99726968 d
23h 56m 4.100s
Equatorial rotation velocity 1,674.4 km/h (465.1 m/s)
Axial tilt 23.439281°
Albedo 0.367
Surface temperature:
Kelvin (K)
min mean max
184 287 331
Celsius (°C)
min mean max
-89 14 57.7

 

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