Many know the Great Orion Nebula (M42) in Orion’s Sword as a bright diffuse nebula — a glowing cloud of cosmic gas illuminated by the Trapezium star cluster. But the Orion Nebula also has a dark side, ...
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The quest for the ultimate catalog of dark nebulae
If you are a frequent reader of Astronomy, then you likely have seen images on its pages of objects from the famous Lynds' Catalogue of Dark Nebulae. These mysterious dark clouds of interstellar dust ...
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