groups of galaxies

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• Lyons Groups of Galaxies — (or LGG) catalog of nearby groups of galaxies that was created from the sample of galaxies complete up to the limiting apparent magnitude Bo=14.0 with a recession velocity smaller than 5500km/s.Two methods were used in group construction: a… …   Wikipedia

• Lyons Groups of Galaxies — Le Lyons Groups of Galaxies (ou LGG) est un catalogue de groupes de galaxies proches qui comprend toutes les galaxies jusqu à la magnitude apparente limite Bo=14.0 ayant une vitesse de récession inférieure à 5500 km/s. Deux méthodes ont été… …   Wikipédia en Français

• Galaxy groups and clusters — are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.[1] They form the densest part of the large scale structure of the universe. In models for the gravitational formation of… …   Wikipedia

• 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

• Star Wars Galaxies — For the fictional setting, see Star Wars galaxy. Star Wars Galaxies Developer(s) Sony Online Entertainment (North America) …   Wikipedia

• List of nearest galaxies — This is a list of galaxies nearest to Earth. Note that near in intergalactic terms still means thousands or millions of light years away (in comparison to say, the moon, which is about one light second away). Galaxies occur in groups or clusters… …   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

• List of galaxies — This is a list of notable galaxies.List* 4C 37.11 * Abell 1835 IR1916 * AM 0644 741 * Andromeda Galaxy (M31/NGC 224) * Andromeda I * Antennae Galaxies (NGC 4038/NGC 4039) * Aquarius Dwarf * Arp 299 pair of colliding galaxies; has six recorded… …   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 — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …   Universalium

• 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