# What is the polar diameter of the Earth?

The polar diameter of the Earth is 44 km.

## The earth

• The earth is the third-nearest planet to the sun.
• The diameter of the Earth is only 12,742 km.
• In size, it is the fifth-largest planet. It is slightly flattened at the poles.
• The Earth shape is described as a Geoid.
• Conditions favourable to support life are probably found only on the earth. It has water and air, which are very essential for survival.
• The air has life-supporting gases like oxygen. From the outer space, the earth appears blue because its two-thirds surface is covered by water. It is also called a blue planet.