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 Polaris Flare is a cloud of filamentary gas in the Milky Way that is seen in the sky in the region of the constellation Ursa Minor and around the star Polaris. The area above the sk...