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Encyclopedia Galactica is the name of a number of fictional or hypothetical encyclopedias containing all the knowledge accumulated by a galaxy-spanning civilization, most notably in Isaac Asimov's Foundation series. The concept of a "future encyclopedia" has become "something iconic among many lovers of the science fiction", and has been reused ...
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and emission nebulae.
It contains 29,418 galaxies and 9,134 galaxy clusters. [1] [2] Gallery. I Zwicky 18. I Zwicky 32, a face-on spiral galaxy in the constellation Canes Venatici.
This is for astronomical catalogues of galaxies (only galaxies, not galaxy clusters, star clusters, nebulae, or stars) Subcategories This category has the following 7 subcategories, out of 7 total.
Suma de Cosmographia (Compendium de cosmographie) est considéré comme un extrait d'El arte de navegar qui contient des informations sur l'astrologie et la navigation, et écrit pour un public non spécialiste. Le manuscrit au format folio sur parchemin inclut 11 magnifiques figures astronomiques accompagnées de texte.
Dwarf galaxy UGC 1281. [2] The catalogue includes essentially all galaxies north of declination −02°30′ and to a limiting diameter of 1.0 arcminute or to a limiting apparent magnitude of 14.5. The primary source of data is the blue prints of the Palomar Observatory Sky Survey (POSS).
NGC 2403 (also known as Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis. It is an outlying member of the M81 Group , [ 3 ] and is approximately 8 million light-years distant.
This object is located at a distance of 23.3 megaparsecs (76 million light years) from the Milky Way [1] and has a peculiar aspect, with several plumes and streams of irregular shape that explains its inclusion on Halton C. Arp's Atlas of Peculiar Galaxies with the number 222, being classified as a "Galaxy with amorphous spiral arms".