The picture above is an image of the Horsehead nebula, located within the constellation Orion. It is a part of a large, dark cloud of molecules. The color derives from the hydrogen gas being ionized by the star Sigma. Dust is seen in all of the picture, surrounding the nebula and all of the stars. Most of the stars are rather young ones but some are very old and humongous. The Horsehead is one of the most recognizable objects in the cosmos and is easily seen by amateur astronomers.
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