Taurus (constellation) astronomers. Taurus hosts two of the nearest open clusters to Earth, the Pleiades and the Hyades, both of which are visible to the naked eye. At first magnitude, the red giant Aldebaran is the brightest star in the constellation. In the northwest part of Taurus is the supernova remnant Messier 1, more commonly known as the Crab Nebula. One of the closest regions of active star formation, the Taurus-Auriga complex, crosses into the northern part of the constellation. The variable star T Tauri is the prototype of a class of pre-main-sequence stars. Taurus is a big and prominent constellation in
Porphyrius the Charioteer in one's mid-40s-50s); Porphyrius was an exception. Porphyrius was the best charioteer of his time. He was the only charioteer to win the diversium twice in one day. The diversium was an honor given to one who would win the chariot race as a member of one team (Blues), and would then win again except that he would be racing as a member of the losing team (the Greens). To win the diversium, one would have to win as a member of the Blues, and then win against the Blues as a member of the Greens. Porphyrius did this twice