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NGC 5139 – Omega Centauri, the Giant of the Globular Clusters

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NGC 5139 – Omega Centauri, the Giant of the Globular Clusters NGC 5139, popularly known as Omega Centauri, is the largest and brightest globular cluster in the Milky Way. Located in the constellation of Centaurus, about 15,800 light-years from Earth, it contains several million stars concentrated within an enormous gravitational sphere. With an approximate diameter […]

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Abell 2147 – A Galaxy Cluster in the Heart of the Hercules Supercluster

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Abell 2147 – A Galaxy Cluster in the Heart of the Hercules Supercluster Abell 2147 is a galaxy cluster belonging to the catalog compiled by George O. Abell, located within the region of the Hercules Supercluster, about 500 million light-years from Earth. Although some sources place it in the area of Serpens Caput, observationally it

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Arp 65 – A Pair of Galaxies in Gravitational Interaction

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Arp 65 – A Pair of Galaxies in Gravitational Interaction The Arp 65 system corresponds to the spectacular interacting pair formed by NGC 90 and NGC 93, located in the constellation of Andromeda, about 240 million light-years from Earth. The system was included by Halton Arp in his famous Atlas of Peculiar Galaxies because of

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NGC 5866 – An Elegant Lenticular Galaxy in Draco

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NGC 5866 – An Elegant Lenticular Galaxy in Draco NGC 5866 is a lenticular galaxy located in the constellation of Draco, about 44 million light-years from Earth. It was discovered by Pierre Méchain in 1781 and is sometimes associated with M102, whose identification has been historically debated. Its thin, elongated appearance, along with a prominent

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