Earth Facts:

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.

The Earth is the only inner planet (Mercury, Venus, Earth and Mars) to have one large satellite, the Moon.

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 name "Earth" is derived from both English and German words. But, the handle's creator is unknown. One interesting fact about its name: Earth is the only planet that wasn't named after a Greek or Roman god or goddess.

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Earth is often called the ocean planet. Its surface is 70 percent water.

The Earth has a molten inner core made of iron and other metals.

The Earth's atmosphere protects the planet from meteors.

A strong magnetic field keeps our atmosphere securely blanketed around the Earth.

From NASA website

Earth full view