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Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).
Lists of galaxies. List of galaxies; List of largest galaxies; List of galaxies with richest globular cluster systems; List of nearest galaxies; List of galaxies named after people; List of spiral galaxies; List of polar-ring galaxies; List of ring galaxies; List of quasars; Satellite galaxies. List of satellite galaxies of the Milky Way
The following is a list of NGC objects, that is objects listed in the New General Catalogue (NGC). It is one of the largest comprehensive astronomical catalogues for deep sky objects such as star clusters, nebulae, and galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000)
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek galaxias, literally 'milky', a reference to the Milky Way galaxy that contains the Solar System.
The NASA/IPAC Extragalactic Database (NED) is an online astronomical database for astronomers that collates and cross-correlates astronomical information on extragalactic objects (galaxies, quasars, radio, x-ray and infrared sources, etc.). NED was created in the late 1980s by two Pasadena astronomers, George Helou and Barry F. Madore.
[1] [2] Moore compiled a list of 109 objects to match the commonly accepted number of Messier objects (he excluded M110 [3]), and the list was published in Sky & Telescope in December 1995. [ 3 ] Moore used his other surname – Caldwell – to name the list, since the initial of "Moore" is already used for the Messier catalogue.
Pages in category "Space adventure television series" The following 117 pages are in this category, out of 117 total. This list may not reflect recent changes .
0–9. 3MM-1; A. A1689-zD1; A1703 zD6; Abell 1835 IR1916; ... LAE J095950.99+021219.1; List of largest galaxies; List of galaxies with richest globular cluster ...