But just how much water exists on, in, and above our planet? This picture shows the size ... Larger version About 70 percent of the Earth’s surface is water-covered, and the oceans hold about ...

Most images of the Earth show the Northern Hemisphere of the planet, as this half of the globe is home to 68% of all land.

The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface.

The above image shows how big a sphere would be compared to Earth if it were made of all the Earth's water. It would have a diameter of about 860 miles and a volume around 332,500,000 cubic miles.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If Earth was the size of a basketball, all of its water would fit into a ping pong ball.

About 70% of the surface of our planet Earth is covered in ... that disk was much hotter at the position where our Earth sits now. So even though there were most likely water molecules present ...

Earth seems to have a huge water supply, but it's relatively dry compared to other ocean worlds. Jupiter's ice-covered moon Europa ... that Europa has twice as much water as our planet.

Most of Earth’s water, according to a new study, may actually be locked in a reservoir 400 miles underground. That Earth, for much of its history, has been covered by water isn’t much of surprise.

If you scooped up all of the world’s water and made it into a giant sphere, how big would it be? Sam Hume explains. We think of Earth as watery – the blue planet. But how much water is there ...