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.
Interesting facts about Earth
70% of the Earth's surface is covered in water
The Earth's atmosphere is made up of 78% nitrogen, 21% oxygen, and trace amounts of other gases
The Earth has a magnetic field that protects it from harmful solar radiation
The Earth is the only planet in our solar system with liquid water on its surface
The Earth has a natural satellite, the Moon, which is about one-quarter the size of the Earth