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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Happy Halloween! The Witch Head Nebula
(aka IC 2118), is a very faint reflection nebula around 900 light years from Earth in the constellation Eridanus. It is beleived to be an ancie...