Taurus (constellation) is a white, spectral class B7 III giant star known as "El Nath", which comes from the Arabic phrase "the butting", as in butting by the horns of the bull. At magnitude 1.65, it is the second brightest star in the constellation, and shares the border with the neighboring constellation of Auriga. As a result, it also bears the designation Gamma Aurigae. Zeta Tauri (the proper name is "Tianguan") is an eclipsing binary star that completes an orbit every 133 days. A degree to the northwest of ζ Tauri is the Crab Nebula (M1), a supernova remnant. This expanding nebula
Capella the charioteer is carrying. In Bayer's 1603 work "Uranometria", Capella marks the charioteer's back. The three "Haedi" had been identified as a separate constellation by Pliny the Elder and Manilius, and were called "Capra", "Caper", or "Hircus", all of which relate to its status as the "goat star". Ptolemy merged the Charioteer and the Goats in the 2nd century Almagest. In Greek mythology, the star represented the goat Amalthea that suckled Zeus. It was this goat whose horn, after accidentally being broken off by Zeus, was transformed into the Cornucopia, or "horn of plenty", which would be filled with whatever