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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NGC 2359, also known as Thor's Helmet, is a large, complex and striking emission nebula located in the constellation Canis Major, about 11,000 light-years away from Earth. The nebula is...