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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RCW 38 is a young, massive star-forming region located about 5,500 light-years away in the constellation Vela. It is a dense, luminous nebula filled with hot, newly formed stars, intens...