When you think about it, the Earth is a relatively modest-sized planet -- about 25,000 miles in circumference at the Equator, with a total surface area of 197 million square miles, almost three-quarters of which is water...
Source
When you think about it, the Earth is a relatively modest-sized planet -- about 25,000 miles in circumference at the Equator, with a total surface area of 197 million square miles, almost three-quarters of which is water...