THE EARTH

- The Earth is our planet and, in the present, the only with life.


- The Earth is the third nearest planet from the Sun, after Mercury and Venus.


- It has one natural satellite, the Moon.





- From the Earth to the Sun, there is a distance of 149.600.000 km approximately.


- It has an equatorial radius of 6.378 km.


- The Earth makes many movements, but the more important movements are two:

• Rotation: the movement originated when the Earth rotates on itself, and that makes days and nights.

This is a photo of the movement of rotation.

• Translation: That occurs when the Earth rotates into the Sun, and that makes the four seasons of the year: winter, spring, summer and autumn.

This is a photo of the movement of translation.

• CURIOSITIES OF THE EARTH:

• The average temperature of the Earth is 290 k (17ºC)

• The Earth weights 6,000 million trillion tons. More than an elephant!
  

• The Earth is 4.600.000 million years old.