What is Coalsack nebula?
[[File:coal.sack.nebula.arp.300pix.jpg|thumb|right|250px |The Coalsack nebula (to right, under nearby star)]] [[File:Coalsack and Dark Doodad Dark Nebulae.jpg|thumb|right|The Coalsack Nebula can be seen as the large dark region near the top of the photo.]] The '''Coalsack dark nebula''' (or simply the '''Coalsack''') is the most prominent [[dark nebula]] in the skies. It can easily be seen with the [[naked eye]] as a dark patch [[silhouette]]d against the southern [[Milky Way]]. It was known [[Prehistory|pre-historically]] in the [[Southern Hemisphere]] and was observed by Vicente Yáñez Pinzón in 1499. The Coalsack is about 600 [[light year]]s away from [[Earth]], in the [[Crux|constellation Crux]]. {{science-stub}} [[Category:Nebulae]]