​Interior of the earth

  • The Earth’s radius is 6,370 km. To reach the centre of the Earth and make observations or collect samples of the materials is almost impossible.
  • Under such conditions, most of our knowledge about the interior of the Earth is largely based on analogies and inferences.
  • Yet, a part of the information is obtained through direct observations and analysis of materials.

Age & Dimensions of Earth

  • Age: 4.6 billion years (4.6×109)
  • Diameter: 12,756.32 kilometers
  • Equatorial Diameter: 12,756.8 km
  • Polar Diameter: 12,713.8 km

Layers of Earth

Earth’s interior is arranged into three layers namely crust, mantle and core. In ....

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