You may have heard of your “sign” — sometimes called your “Zodiac sign” or your “star sign.” It’s a name that corresponds to mythology but also to stellar constellations. So why do you have the sign you have? Your sign is kind of, sort of related to the constellation that rises in the western night sky as the sun sets during a particular season. More importantly, the Zodiac constellations are those in a path of the sun called the ecliptic. Learn about why the Zodiac constellations matter to astronomy.