- elliptical disk
- эллиптический диск
English-russian dictionary of physics. 2013.
elliptical disk
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Elliptical galaxy — An elliptical galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble (whose name was dedicated to the famous Hubble space telescope) in his 1936 work “The Realm of the Nebulae” [cite book… … Wikipedia
elliptical galaxy — noun : a galaxy of a generally elliptical shape, from round to lenticular, differing chiefly from other types in having no apparent internal structure or spiral arms called also spheroidal galaxy * * * Astron. a type of galaxy having the shape of … Useful english dictionary
elliptical galaxy — Astron. a type of galaxy having the shape of a spheroid or ellipsoid, rather than a disk. Also called elliptical, E galaxy. * * * … Universalium
Dwarf elliptical galaxy — Dwarf elliptical galaxies, or dEs, are elliptical galaxies that are much smaller than others. They are classified as dE, and are quite common in galaxy groups and clusters, and are usually companions to other galaxies. Contents 1 Examples 2… … Wikipedia
Numerical range — In the mathematical field of linear algebra and convex analysis, the numerical range of a square matrix with complex entries is a subset of the complex plane associated to the matrix. If A is an n × n matrix with complex entries, then… … Wikipedia
Harmonic drive — A harmonic drive is an input/output gearing mechanism. It is typically used for gearing reduction, but may also be used to increase rotational speed or for differential gearing. Very high gear reduction ratios are possible in a small volume… … Wikipedia
HD 15115 — Constelación Cetus Ascensión recta α 02h 26min 16.24s … Wikipedia Español
Costa Rica — <p></p> <p></p> Introduction ::Costa Rica <p></p> Background: <p></p> Although explored by the Spanish early in the 16th century, initial attempts at colonizing Costa Rica proved unsuccessful due to … The World Factbook
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 — /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
