15 Facts You Didn’t Know About the Deepest Place on Earth: Challenger Deep

While we consider space to be the final frontier, there is often just as much, or more, that we don’t know about our own world, especially what lies at the bottom of our deepest oceans.

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The bottom of Earth’s oceans isn’t as simple a concept as many of us may think. Like the surface of the earth, our underwater world has an amazingly vibrant topography.

How Deep Is The Ocean?

Think of the difference between the bottom of the Grand Canyon and the top of Mount Everest—now think even bigger. The average ocean depth is approximately 3,688 meters (12,100 feet), but it goes a lot deeper than that.

How deep do the oceans go? Well, if you’re ready to broaden your mind, here are 15 facts you didn’t know about the deepest part of the earth.

1. The Challenger Deep is officially the deepest point on earth

There is an area called the Mariana Trench (the geographic feature, not the band) located near Guam in the Pacific which is one of the deepest areas of the planet.

An even deeper hole

At the bottom of the Mariana Trench there is a hole that is even deeper (a hole within a hole) called the Challenger Deep. The Challenger Deep is 10,994 meters (36,070 feet) deep, and it is officially the deepest point on earth that can be reached without digging below the surface (if you want to read about the world’s deepest man-made hole check out this article).

Hard to comprehend

The depth of the Challenge Deep is so large that it’s a bit challenging to comprehend, because our normal measurement of size are dwarfed. The Challenger Deep is so deep that if you were to put Mount Everest in the bottom of the hole, the peak of the mountain would still be 1.93 kilometers (1.2 miles) below sea level. The depth is so large that the tiny percentage margin of error involved in measuring it has led to variations of hundreds of meters of difference between the findings of some expeditions.

We learn more every year

Some measurements found the deep to be as shallow as 8,184 m (26,850 ft) and others found the depths to be as deep as 11,034 metres (36,201 ft). The Deep has been a subject of study and interest for over a century, so some variation on measurements is bound to occur as technology changes, we adopt new measurement techniques, and we learn more about the geography of the area.


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