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
Charioteer (tank) gun. These traverse-motors were driven from a separate electrical supply. Different radio equipment was also fitted. Beyond the original requirement, further up-gunning was attempted. A single vehicle was upgraded with the Royal Ordnance L7 105mm gun for trials in 1969. It was intended for export, and did not enter service. The gun is similar in appearance and based on the original, but can be distinguished by an offset fume extractor (larger at the top). This vehicle survives at the East of England Tank Museum. Charioteer (tank) The Charioteer Tank, or FV4101 Tank, Medium Gun, Charioteer was a post-war British armoured