The Omega Centauri globular cluster in the constellation of Centaurus. At a distance of 17090 light-years, this is the largest and most massive known globular cluster in the Milky Way.
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The Swan Veil is a supernova remnant observed in the direction of the constellation Cygnus, about 5° south of the star Epsilon Cygni. It is a vast nebular complex with an apparent diame...