Description

In the Solar System the planet closest to the Sun is Mercury. Then, in order: Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.

All the bodies in the Solar System, it is the Sun which is the largest, it attracts the planets towards it, prevents them away. The planets revolve around him following a path called an orbit. Déplaceent the planets around the sun at different times ranging from three to Mercury month two hundred and fifty years for Pluto.

The orbit of all the planets in the form of an elongated circle is called an ellipse. And the distance between the planets from the sun is not always the same.

Between the giant planets (Jupiter, Saturn, Uranus, Neptune) and terrestrial planets (Mercury, Venus, Earth, Mars), there is a region of asteroids, the largest is called Ceres, it is one thousand kilometers in diameter ..

I will not name them but there are satellites (small planet orbiting a larger planet).

Nicolas Copernicus

Men have long believed that the earth was stationary and that the whole sky revolved around her. Nicolas Copernicus is said in the 16th sciècle that the Earth rotated on itself once every 24 hours and it didn around the Sun in 365 days or one year.