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> The Horsehead nebula in Orion
The Horsehead nebula in Orion
author: R.Gendler/Novapix
reference: a-nec04-34014
Image Size 300 DPI: 27 * 32 cm
The Horsehead is located 1,500 years away in the constellation of Orion, slightly below the left-most star of the three that form the Hunter's belt. It is part of a vast molecular cloud of dust and gas that includes the Great Orion Nebula and extends throughout the entire constellation as well. The red coloration is the result of glowing hydrogen gas located primarily behind the formation. The Horsehead (Barnard 33) is a dark nebula very difficult to see visually, even with a large telescope. A bright star is partially enveloped in the dust cloud and its scattered light is seen as the large, irregular blue reflection nebula, NGC 2023.
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