It is the only planet that has an atmosphere containing 21 percent oxygen.

It is the only planet that has liquid water on its surface.

It is the only planet in the solar system that has life.

Earth Facts. Earth is the third planet from the Sun and is the largest of the terrestrial planets. The Earth is the only planet in our solar system not to be named after a Greek or Roman deity. The Earth was formed approximately 4.54 billion years ago and is the only known planet to support life.

The Earth's rotation is gradually slowing. ...

The Earth was once believed to be the centre of the universe. ...

Earth has a powerful magnetic field. ...

There is only one natural satellite of the planet Earth. ...

Earth is the only planet not named after a god. ...

The Earth is the densest planet in the Solar System

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by georgie

this one is from space facts