Taurus, a constellation and the second sign of the zodiac. In northern latitudes, Taurus can be seen during the evening in winter. A V-shaped cluster of stars called the Hyades is a prominent feature of the constellation. Apparently among the Hyades, but actually much closer to earth, is Aldebaran, the 13th brightest star in the sky. Aldebaran is about 68 light-years from earth, whereas the Hyades cluster is about 120 light-years away. Also within Taurus is the cluster of stars known as the Pleiades.
The Crab Nebula in Taurus is a source of radio waves and visible light, although it is too dim to be seen with the unaided eye. This mass of expanding gases is the remains of an exploding star, or supernova, that was seen in 1054 A.D.