Zodiac constellations can be traced even further back, to Bronze Age (First Babylonian dynasty) sources, including Gemini "The Twins", from MAŠ.TAB.BA.GAL.GAL "The Great Twins", and Cancer "The Crab", from AL.LUL "The Crayfish", among others. Around the end of the 5th century BC, Babylonian astronomers divided the ecliptic into twelve equal "signs", by analogy to twelve schematic months of thirty days each. Each sign contained thirty degrees of celestial longitude, thus creating the first known celestial coordinate system. Unlike modern astronomers, who place the beginning of the sign of Aries at the place of the Sun at the vernal equinox; Babylonian astronomers
The Golden Crab and steed, and his silver apple, to be brought to him. He warned her that he would throw her the silver apple, but she must not say he is the crab. When she was not pleased with any of the princes, the king held a second tournament. The crab was certain that his wife would betray him this time, but went again. When he threw her the golden apple, her mother boxed her ears, demanding to know why even that knight did not please her, and the princess confessed it was the crab. The queen ran back to their rooms,