disk galaxies

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• Galaxies in fiction — Galaxies other than the Milky Way are popular settings for creators of science fiction, particularly those working with broad scale space opera settings. Among the most common settings are the Andromeda Galaxy, the Magellanic Clouds, and the… …   Wikipedia

• DISK — Disque Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

• Récession des galaxies — Galaxie  Cet article concerne les galaxies au sens général. Pour les articles homonymes, voir Galaxie (homonymie). Pour notre propre galaxie, voir Voie lactée …   Wikipédia en Français

• Atlas of Peculiar Galaxies — The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the California Institute of Technology.The primary goal of the… …   Wikipedia

• Timeline of knowledge about galaxies, clusters of galaxies, and large-scale structure — Timeline of galaxies, clusters of galaxies, and large scale structure of the cosmosPre 20th Century* 400s BC Democritus proposes that the bright band in the night sky known as the Milky Way might consist of stars, * 300s BC Aristotle believes the …   Wikipedia

• Andromeda's satellite galaxies — The Andromeda Galaxy has satellite galaxies just like the Milky Way Galaxy. Orbiting Andromeda (M31) are at least 14 dwarf galaxies. The brightest and largest of them all is M32 which can be seen with a backyard telescope. The second closest one… …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Galaxy formation and evolution — The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation of the first galaxies, the way galaxies change over time, and the processes that have… …   Wikipedia

• Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… …   Wikipedia

• Spiral galaxy — A spiral galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae” [cite book |last=Hubble |first=E. P. |authorlink=Edwin Hubble |title=The Realm of… …   Wikipedia

• Bulge (astronomy) — Galactic center redirects here. For the center of the Milky Way galaxy, see Galactic Center. In astronomy, a bulge is a tightly packed group of stars within a larger formation. The term almost exclusively refers to the central group of stars… …   Wikipedia