[/caption] The sprawling constellation of Ophiuchus sits on the celestial equator and was one of the 48 original constellations charted by Ptolemy and later adopted by the IAU. Of the 13 zodiacal constellations (constellations through which the Sun passes during the course of the year), Ophiuchus is the only one not designated as an astrological … Continue reading "Ophiuchus"