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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Messier 13, or M13, is a globular cluster of several hundred thousand stars in the constellation of Hercules. (Wikipedia) Approx. 22K light years away from Earth. Full details on Astrob...