cluster rotation

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• star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction  either of two general types of stellar assemblages held… …   Universalium

• Galaxy rotation curve — The rotation curve of a galaxy can be represented by a graph that plots the orbital velocity of the stars or gas in the galaxy on the y axis against the distance from the center of the galaxy on the x axis. Stars revolve around the center of… …   Wikipedia

• Coupled Cluster — Theoretische Chemie ist die Anwendung nichtexperimenteller (üblicherweise mathematischer oder computersimulationstechnischer) Methoden zur Erklärung oder Vorhersage chemischer Phänomene. Daher beschäftigt sie sich in erster Linie mit der… …   Deutsch Wikipedia

• Mission Cluster — Pour les articles homonymes, voir Cluster. Cluster est une mission de l Agence spatiale européenne (ESA) qui utilise quatre satellites chargés d étudier les interactions entre le vent solaire et la magnétosphère terrestre. Après la destruction… …   Wikipédia en Français

• Water cluster — In chemistry a water cluster is a discrete hydrogen bonded assembly or cluster of molecules of water [cite journal | title = Water: From Clusters to the Bulk | author = Ralf Ludwig | journal = Angew. Chem. Int. Ed. | year = 2001 | volume = 40 |… …   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

• Dark matter — Not to be confused with antimatter, dark energy, dark fluid or dark flow. For other uses, see Dark Matter (disambiguation) …   Wikipedia

• Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …   Universalium

• Star — For other uses, see Star (disambiguation) …   Wikipedia

• 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

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium