Tuesday 16 July 2013

Constellations

Group of stars form patterns in the night sky, which are called constellations. There are 88 known constellations. The Sumerians,a Middle Eastern civilization,probably named them about 5000 years ago.

The largest is Hydra ,the sea serpent, and the smallest is Crux Australis, the Southern Cross. Centaurus, the Centaur has the most stars that can be seen with the naked eye.Others include Aquila, the Eagle; Canis Major, the Great Dog; and Orion, the Hunter .

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