4. What are the dimensions and other facts about the Earth?

The Earth is almost a perfect sphere, except that it is slightly flattened at the poles. *The Earth’s surface area is approximately 510 million square kilometers.

*Its radius, measured from pole to pole, is approximately 6,357 km, and at the equator, 6,378 km.

*The weight or mass of the Earth is approximately 5.975 trillion tons.

*The land area occupies approximately 30% of the Earth’s surface and water occupies 70%.

*The distance from Earth to the Sun is approximately 150 million kilometers. Sunlight takes 8.5 minutes to reach Earth.