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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This image presents LDN 816, a faint dark nebula set against a backdrop of countless stars. Dark nebulae like LDN 816 are composed of dense interstellar dust and gas, blocking the light...