World Geography - Facts at a Glance : Earth
Age: 4.6 billion years old.
Position: 3rd planet from the sun.
Size: 5th largest planet in our solar system.
Surface Area: 197 million square miles, about 70 percent of the Earth's surface is covered with water.
Diameter: The Earth has an average diameter of 12,742 kilometers. (7,926 miles)
Average Temperature: The temperature at the Earth's core is estimated to be between 5000 and 7000 degrees Celsius.
Length of Year: 365.25 days
Inclination of Axis: The Earth's axis has a tilt of about 23 ½ degrees. It is this tilt which causes the seasons.
Chemical Composition: The Earth is made mostly of iron, oxygen, silicon, magnesium, nickel and sulfur: 34.6% Iron, 29.5% Oxygen, 15.2% Silicon, 12.7% Magnesium, 2.4% Nickel, 1.9% Sulfur, 0.05% Titanium
The Earth is full of endless interesting facts. Here’s the current list that earthfacts.net have developed -
- 11% of the Earth’s surface is used to grow food.
- For every 100 meters down into the Earth, the temperature gets 3 degrees hotter.
- The average depth of Earth’s oceans are 2 miles deep.
- The wind carries 100 million tons of sand particles around the Earth yearly.
- 70-71% of the Earth is covered by water.
- A thousand tons of meteor dust falls to Earth every day.
- Mount Everest (8850 meters or 29035ft) is the tallest mountain in the world.
- It takes sun light 8 minutes and 3 seconds to reach Earth.
- The coldest temperatue ever recorded was -129 degrees Fahrenheit (-89 Celsius) at Vostok, Antartica in 1983.
- Only 3% of the water on our planet is fresh water. Of the 3%, 2% of it is frozen in glaciers and ice sheets around the poles. The other 97% is salt water.
- The lowest dry point on Earth is the Dead Sea in the Middle East which is 1300 feet below sea level.
- The Pacific Ocean is the largest ocean in the world. It covers about 1/3 of the Earth’s surface.
- The Earth is the densest major body in our solar system.
- Baikal Lake in Russian Fed. is the deepest lake in the world at 5315 feet.
- The most abundant metal in the Earth’s crust is aluminum.
- It snowed in the Sahara Desert on February 18th, 1979.
- On average, an iceberg weighs 20 million tons.
- 200 million years ago Earth contained only one land mass called Pangea.
- The moon orbits the Earth every 27.32 days.
- Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
- Total fertility rate of the world is 2.59 children born/woman.
- Worldwide each day 400 billion gallons of water is used.
- Surface Area (510,066,000 sq km)
- Land Area (148,647,000 sq km) 29.1%
- Ocean Area (335,258,000 sq km)
- Total Water Area (361,419,000 sq km) 70.9%
- Type of Water (97% salt), (3% fresh)
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