Stories of gods and mortals, love and betrayal, monsters and heroes. They all adorn the night sky in the form of constellations. These star groups have also served as calendars, navigation aids and internationally defined areas of the celestial sphere.

Astronomy Site at Bellaonline

By the way, if you've ever worried about pronouncing the Latin names of the constellations, help is at hand. In the article I've included a link to Sky & Telescope magazine which has some guidance on the subject.