In modern astronomy, the sky (celestial sphere) is divided into 88 regions called constellations, generally based on the asterisms (which are also called "constellations") of Greek and Roman mythology. Those along the ecliptic are the constellations of the zodiac. <cite>Text of CC BY-SA 3.0 Unported License from <a href="https://en.wikipedia.org/wiki/88_modern_constellations" target=_blanc>88 modern constellations Wikipedia article</a>.</cite>
