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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NGC 7635 (sometimes known as the Bubble Nebula or C 11) is a diffuse nebula in the constellation Cassiopeia, near the border of Cepheus. Its main feature is a vacuum "bubble" surrounded...