Overview

Namesake: Earth is an English/German word meaning ground: eor(th)e and ertha (Old English) and erde (German). It has been around for 1,000 years.

Type: Terrestrial

Distance from the Sun: 1 AU (93 million miles); 3rd planet from the sun

Year: 365.2564 earth days

Day: 24 hours

Diameter: 7,917.6 miles

Size: If the sun was a standard door the Earth would be a nickel.

Atmosphere: 78% nitrogen, 21% oxygen, 1% other

Rings: 0

Moons: 1

Other Information:

- It is the only planet known to support life.

- Scientist have estimated that the Earth is 4.5 billion years old.

- Earth has the only breathable atmosphere in our solar system.

- 70% of its surface is covered by water.

- Its interior has 4 layers (the crust, the mantle, the outer core, and the inner core).

- The 4 seasons are a result of the Earth’s axis of rotation being tilted 23.45%. This means that during part of the year the northern hemisphere is tilted away from the sun and toward the sun during the other part.

Find out how much you would weigh if you moved here:

Try this formula to see how much you would weigh:

(Your weight x 1)