11 mind-boggling geography facts
Reported by Tyler Chin
Compared to the sheer vastness of Earth, humans are a mere blip.
While we have attempted to make sense of this planet we live on for hundreds of years, there will always be more to discover. And some facts just seem unreal.
These mind-boggling geography facts will make you see the world in a whole new light.
Antarctica is the largest desert in the world
When you picture a desert, you probably imagine lots of sun and sand. But the definition of a desert is really just an area of land that doesn't get more than 25cm of precipitation a year.
With that definition in mind, the world's largest desert is Antarctica. The Antarctic Polar Desert covers 9 million square kilometres, and its water is mostly locked in glaciers and ice sheets, leaving little for plants and animals.
90% of the world's population lives in the northern hemisphere
Russia is so big that it's home to 11 time zones
Covering 10 million square kilometres, Russia is the largest country in the world, so it makes sense for its land to spread across multiple times zones. The country spans 11 times zones altogether, which means Russians on one end of the country could be starting their day while Russians on the other end are winding down.
Continents can move at the same rate as fingernails grow
The ancient supercontinent Pangea took hundreds of millions of years to break up into what we know as the seven continents. For 40 million years the land masses of what are now North America and Africa moved at a rate of one millimeter per year.
But 200 million years ago, and for 10 million years, the tectonic plates accelerated, breaking apart at a rate of 20 millimeters a year, or around the same rate at which fingernails grow, before slowing down once more. Turns out, the plates have two distinct speeds, a fast one and a slow one, that they switch between.
Despite being just 4km apart, the Diomede Islands have a 21-hour time difference between them
The Diomede Islands are made up of Big Diomede, owned by Russia, and Little Diomede, owned by the United States. While only 3.8km apart, they sit on opposite sides of the International Date Line, and thus have a 21-hour time difference between them. This is why they are nicknamed Tomorrow and Yesterday Island.
Istanbul is the only city in the world that is spread across two continents
If you're trying to visit all seven continents, kill two birds with one stone by heading to Istanbul, Turkey, which is the only city in the world that straddles two continents. The Bosphorus Strait separates the European and Asian sides of the city.
Mount Chimborazo is the highest point on Earth, but not the world's tallest mountain
How can a mountain have the highest point on Earth without being the world's biggest mountain? With a boost from the Earth's equatorial bulge.
Mount Chimborazo in Ecuador is 6.3km feet high, compared to Mount Everest's 8.8km-feet height. The Earth is round, but not a perfect sphere, and is actually flatter at the poles with bulge around the Equator, hence the equatorial bulge. Because of its location on the equator, Mount Chimborazo is 200m higher in the sky than Mount Everest, and the Ecuadorian mountain's summit is the farthest from Earth's core than any other mountain.
Africa is the only continent that lies in all four hemispheres
The world is divided into four hemispheres based on the Equator and the Prime Meridian. While some continents fall into two hemispheres, Africa is the only continent that lies between all four.
The Appalachian mountains are shrinking
In contrast, the Himalayan mountains are growing
Mountains are formed when tectonic plates collide and push the land upward. The Himalayas are still growing today, by about 2cm a year, because the tectonic plates beneath India and Asia continue to push into each other. Like the Appalachians, the Himalayas are being eroded, but at a slower rate than that at which they're growing. The Himalayan mountains' highest point is Mount Everest, which has an elevation of 8,800 meter.
Mount Thor has the world's greatest vertical drop
The popular rock climbing location also has the world's greatest vertical drop. Mount Thor, or Thor Peak, on Baffin Island in Canada, has an elevation of 1,674 meter. Mount Thor boasts the world's greatest vertical drop at 1,300 meter.
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