THE SOLAR SYSTEM

Nearest the Sun are four fairly small, rocky planets: Mercury, Venus, Earth and Mars.

On the far side of the asteroid belt are the four gas giants: Jupiter, Saturn, Uranus and Neptune.

Mercury is the planet closest tothe sun. It takes 88 days to orbit the sun.

Earth takes 364 days to orbit the sun.

Neptune is the planet farthest from the sun. It takes 60,190 days. It is almost 165 Earth years