- The Earth Generates $72 Trillion of Goods and Services Each Year
- The Word ‘Earth’ Has Been on Earth for 7,000 Years
- The Earth Isn’t a Perfect Sphere – It Has a 27 Mile Tall Bulge at Its Belly
- The Earth Is 32.1% Iron and 30.1% Oxygen
- The Center of the Earth, at 10,380 °F, Is as Hot as the Sun