You surely know the signs of the zodiac. You even know your own sign. Yes, we already know that Astrology is a superstition.  It is a lot of nonsense, but it is based on a true fact, related to the movement of translation of the earth around the sun. 

Click on Seasons and you will see how this movement produces the seasons of the year. 

This movement, seen from the earth seem to be  the other way round, that is that the sun goes through certain constellations in the sky.

Click on Zodiac and you will understand what the zodiac has to do with the annual movement of the earth.