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6 Interesting facts about earth

Written by Tabish Alam

The name Earth is derived from the Old English word “ertha” and the Anglo-Saxon word “erda” which means ground or soil. It is believed that earth was formed somewhere around 4.54 billion years ago and now its the only planet to support life. In the first billion years of Earth’s existence, life only appeared in the oceans. Later it began to affect the Earth’s atmosphere and surface, leading to the escalation of aerobic and anaerobic organisms. Today in this segment we are going to tell you about some interesting facts about earth, Take a look.

1. Earth’s total area

Hold your breathe guys, Earth total area is 510.1 million km², in which around 7.347 billion lives.

2. Earth was believed to be the center of universe

For almost 2000 years astronomers believed that the Earth was static. In 1543, Copernicus published his Sun-centered model of the Solar System which put the Sun at the center of the solar system.

3. Earth’s atmosphere

The atmosphere of Earth is composed of 78% nitrogen, 21% oxygen, and some amounts of other gases like argon and carbon dioxide.

4. Earth is very dense

Earth is the densest planet in the solar system. Its density differs in each part of the planet, like the core is denser than the Earth’s crust. The average density of the planet is around 5.52 grams per cubic centimeter.

5. Earth has strong magnetic field

Earth has a very powerful magnetic field. The magnetic field protects the planet from the effects of solar winds and is it is a result of the nickel-iron core of the planet unite with its rapid rotation.

6. Highest and lowest points

The highest point on Earth is Mount Everest which reaches a height of 8.8 km and the lowest point on Earth is called Challenger Deep which is 10.9 km below sea level.

 

 

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About the author

Tabish Alam