The approximate diameter of the earth is equal to 12742 km.
<u>Explanation:</u>
The size of the earth can be explained in many ways. Earth is the third planet from the sun next to mercury and Venus and it is called as natural satellite.
The size of earth in terms of diameter is 12742 km which is almost 1/100th of the size of the sun. The total surface area of the sun is about 510,000,000 km 2.
