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It all depends on the scale and surface brightness of the nebula. For instance, the famous Orion Nebula is 1,344 light years. The Orion Nebula is a fairly bright nebula. However, if we replaced ...
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It all depends on the scale and surface brightness of the nebula. For instance, the famous Orion Nebula is 1,344 light years. The Orion Nebula is a fairly bright nebula. However, if we replaced ...