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Orion Nebula
O·ri·on Neb·u·la


noun 
Definition:
 
nebula in constellation Orion: an emission nebula in the constellation Orion, visible to the unaided eye as a hazy object in Orion's dagger
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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