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As explained earlier, the constellations are mostly randomly scattered stars that happen to form patterns as viewed from the Earth. Taurus is the exception. In the heart of the constellation Taurus is a small "V" formed by five stars. The brightest star Aldebaran, alpha Tauri, is an orange star that happens to be in the same line of sight as its companions. The four others are not only close to each other in space, but they are travelling at the same speed in the same direction. Tens of thousands of years from now, when other constellations will have been drastically altered, these four stars of Taurus will still form the same pattern in the sky as they do now.
The constellation of Taurus is on the ecliptic and is the second sign of the zodiac. Taurus is of course not any bull, but the god Zeus. Zeus fell in love with Europa, the daughter of a Phoenician king, as a result of one of Cupid’s arrows. Zeus' wife Hera was out of town at the time, but just to be on the safe side, Zeus changed himself into a bull before his first encounter with Europa. When Europa saw Zeus, she urged her friends who were gathering flowers to climb up on his back with her.
For surely he will bear us on his back,
He is so mild and dear and gentle to behold.
He is not like a bull, but like a good, true man,
Except he cannot speak.
Zeus flew her up to Mount Olympus, where they were married and presumably after Zeus was changed back from being a bull, Europa bore him many children.
Both tau Tauri and phi Tauri are double stars with a bright member just visible to the naked eye and dim member with an apparent magnitude around 8.