Earth is a unique planet. It is the only world in the solar system known to inhabit and support life. It is also the only known planet to have oxygen and liquid water.
The Earth has a surface area of 510 million km2 and a volume of 1,080 billion km3. It is 149.6 million km away from the sun.
13 different climate types could be found ranging between the equator and the poles
Earth has one satellite, the moon, which is predicted to have formed 4.5 billion years ago.
Earth has an estimated human population of 7.4 billion
Earth has 4 main chronological periods, the Precambrian, the Paleozoic, the Mesozoic, and the Cenozoic