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Omega Nebula
(redirected from Horseshoe Nebula)

   Also found in: Wikipedia 0.01 sec.
Omega Nebula [ō′meg·ə ′neb·yə·lə]
(astronomy)
A bright H II region in the constellation Sagittarius that is both a bright far-infrared source and a double radio source. Also known as Swan Nebula.


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The `swan' bit takes a bit of imagination, and is obviously open to ambiguity: it's also known as the Lobster Nebula and Horseshoe Nebula.
 
 
 
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