Earth is the third planet from the Sun and largest of the terrestrial planets. It is the fifth largest planet in terms of size and mass, and it is the densest (5,513 kg/m3) of all the planets. The Earth is the only planet in our solar system not to be named after a mythological being. The Earth has formed approximately 4.54 billion years ago and is the only known planet to support life. Rather, Earth name is derived from the Old English word “ertha” and the Anglo-Saxon word “erda” which means soil. It has a powerful magnetic field.

Earth Facts | Interesting Facts about Earth to be Known

Earth Facts | Interesting Facts about Earth to be Known

Read also Earthquake Facts – Facts about Earthquake to be known

Interesting Facts about Earth to be Known

  • The Earth was once believed to be the centre of the universe and its rotation is gradually slowing. Ancient astronomers before 2000 years believed that the Earth was static and had other celestial bodies travelling in circular orbits around it.
  • They found this because of the apparent movement on the Sun and planets about their viewpoint. In 1543, Copernicus promulgated his Sun-centered model of the Solar System which put the Sun at the centre of our solar system.
Earth Facts | Interesting Facts about Earth to be Known

Earth Facts | Interesting Facts about Earth to be Known

  • The deceleration of the Earth’s rotation is very slow, approximately 17 milliseconds per hundred years. Eventually, this will lengthen our days, but it happens so slowly that it could be as much as 140 million years before the length of a day will have increased to 25 hours. The Earth was once believed to be the centre of the universe.
  • Due to the apparent movements of the Sun and planets about their viewpoint, ancient scientists insisted that the Earth remained static, whilst other celestial bodies travelled in circular orbits around it.
Earth Facts | Interesting Facts about Earth to be Known

Earth Facts | Interesting Facts about Earth to be Known

  • Eventually, the view that the Sun was at the centre of the universe was postulated by Copernicus, though this is also not the case.
  • A Phenomenon is caused by the nickel-iron core of the planet, coupled with its fast rotation. This field protects the Earth from the effects of solar wind. There is only one natural satellite on the planet Earth.
  • There is only one natural satellite on the planet Earth.
Earth Facts | Interesting Facts about Earth to be Known

Earth Facts | Interesting Facts about Earth to be Known

  • As a percentage of the size of the body it orbits, the Moon is the largest satellite of any planet in our solar system.
  • The other seven planets in our solar system are all named after Roman gods or goddesses. Although only Mercury, Venus, Mars, Jupiter and Saturn were named during ancient times, because they were visible to the naked eye, the Roman method of naming planets was retained after the discovery of Uranus and Neptune.
Earth Facts | Interesting Facts about Earth to be Known

Earth Facts | Interesting Facts about Earth to be Known

  • The Earth is the densest planet in the Solar System. This varies according to the part of the planet; for example, the metallic core is denser than the crust. The average density of the Earth is approximately 5.52 grams per cubic centimetre.

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