This drawing
shows blue spheres representing relative amounts of Earth's water in
comparison to the size of the Earth. Are you surprised that these water
spheres look so small? They are only small in relation to the size of
the Earth. This image attempts to show three dimensions, so each sphere
represents "volume." The volume of the largest sphere, representing all
water on, in, and above the Earth, would be about 332,500,000 cubic
miles (mi3) (1,386,000,000 cubic kilometers (km3)), and be about 860 miles (about 1,385 kilometers) in diameter.
