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31Castelldefels — Spanish city image skyline size = image skyline caption = native name = Castelldefels spanish name = Castelldefels nickname = city motto = city motto means = image flag size = image coat of arms = image coat of arms size = image city image city… …
32Flatness problem — The local geometry of the universe is determined by whether the relative density Ω is less than, equal to or greater than 1. From top to bottom: a spherical universe with greater than critical density (Ω>1, k>0); a hyperbolic, underdense… …
33Orbiting Astronomical Observatory — Artist s conception of OAO 1 in orbit OAO 3 in the clean room The …
34JEL classification codes — Articles in journals are usually classified according to the system used by the Journal of Economic Literature (JEL). The JEL is published quarterly by the American Economic Association and contains survey articles and information on recently… …
35Scattered disc — The scattered disc (or scattered disk) is a distant region of the Solar System that is sparsely populated by icy minor planets known as scattered disc objects (SDOs); a subset of the broader family of trans Neptunian objects (TNOs). The scattered …
36Astrophysical maser — An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. This emission may arise in molecular clouds, comets, planetary atmospheres, stellar… …
37Virgo Stellar Stream — Infobox Galaxy name = Virgo Stellar Stream epoch = J2000 type = remains of a dSph ra = ? dec = ? dist ly = 30 kly appmag v = ? size v = 30 prime; times; 10 prime; constellation name = Virgo radius ly = ? absmag v = ? names = noneThe Virgo Stellar …
38Eris (dwarf planet) — Eris   Eris (centre) and Dysnomia (left of centre). Hubble Space Telescope …
39Avinguda de la Reina Maria Cristina (Barcelona) — Avinguda de la Reina Maria Cristina is an avenue in the Sants Montjuïc district of Barcelona linking Plaça d Espanya with Museu Nacional d Art de Catalunya on Montjuïc hill. It s named after Maria Christina, Queen Consort and Queen Regent of… …
40Крахмал в химии* — (Amidon, amidam фр., Starch англ., St ä rke, Satzmehl нем., Amylum лат.) nС 6H10O5 или вернее nС 6H10O5+H2 O (см. соотв. статью). Величина n не установлена окончательно; она несомненно значительна. По Брауну и Моррису, воспользовавшимися методом… …
