Geography Earth Facts | Geography: Facts about the Earth that you didn't know!

Описание: Geography Earth Facts | Geography: Facts about the Earth that you didn't know! #earth | Avi Mak Education


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Earth is far more than just a "blue marble." It is a dynamic, slightly misshapen, and incredibly mysterious planet where the geography often defies logic. From mountains that hide beneath the waves to deserts that haven't seen rain in millions of years, here are some facts about our home that you likely didn't know.

The Earth is Not a Sphere
Despite what globes show us, Earth is an oblate spheroid. Because it rotates at roughly 1,000 miles per hour, centrifugal force causes the planet to bulge at the equator and flatten at the poles. This means that if you stand at the equator, you are actually further away from the Earth's center than if you were standing at the North Pole.

The "Tallest" Mountain is Not Everest
While Mount Everest holds the record for the highest altitude above sea level (8,848 meters), it isn't technically the tallest mountain from base to peak. That title belongs to Mauna Kea in Hawaii.

Mauna Kea's total height: Over 10,000 meters.

The Catch: More than half of it is submerged in the Pacific Ocean. Furthermore, because of the equatorial bulge mentioned above, the peak of Mount Chimborazo in Ecuador is actually the closest point on Earth to the stars (the furthest point from the Earth's core).

An Ocean Under the Crust
Scientists have discovered evidence of a massive "ocean" hidden 400 to 600 kilometers beneath the Earth’s surface. It isn't liquid water like we see at the beach; instead, it is trapped inside a blue rock called ringwoodite. This subterranean reservoir may contain triple the amount of water found in all of Earth's surface oceans combined.


Strange Geographical Extremes
The Driest Place: You might think it's the Sahara, but it's actually the McMurdo Dry Valleys in Antarctica. Some parts of this region haven't seen a drop of rain or a flake of snow in nearly 2 million years.

The Longest Mountain Range: The Mid-Ocean Ridge is a continuous chain of underwater volcanoes stretching over 65,000 kilometers. It is four times longer than the Andes, Rockies, and Himalayas combined.

Walking Rocks: In California's Death Valley, heavy boulders known as "Sailing Stones" move across the flat desert floor on their own, leaving long tracks behind them. For decades, this was a mystery until scientists realized that thin sheets of ice and light winds were pushing them.

A Planet in Constant Motion
The ground beneath your feet is moving at approximately the same rate your fingernails grow (about 2.5 centimeters per year). This tectonic shift means that in about 250 million years, Earth’s geography will be unrecognizable as the continents merge back into a new supercontinent, often called Pangaea Proxima.

Gravity is Uneven
Earth’s mass isn't distributed perfectly. Because of deep-sea trenches and massive mountain ranges, gravity is actually stronger in some places than others. For example, the Hudson Bay region in Canada has lower gravity than the rest of the world—meaning you actually weigh a tiny bit less there!

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