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Saturn - vlastelin kolec
<< Vchera 16.01.2004 Zavtra >>
Saturn - vlastelin kolec
Avtory i prava: Gruppa naslediya kosmicheskogo teleskopa im.Habbla, (AURA / STScI), R.G. French (Kolledzh Wellesley), J. Cuzzi (NASA/Ames), L. Dones (SwRI), J. Lissauer (NASA/Ames)
Perevod: N.A.Lipunova
Poyasnenie: Galileo Galilei, rodivshiisya v 1564 godu, ispol'zoval teleskop dlya issledovaniya Solnechnoi sistemy. V 1610 godu imenno on stal pervym chelovekom, uvidevshim kol'ca Saturna. I teper', spustya pochti 400 let, velikolepnye kol'ca Saturna ne perestayut voshishat' lyubitelei astronomii. Po sravneniyu s kol'cami drugih gazovyh planet-gigantov, sistema kolec Saturna chrezvychaino yarkaya. Obshaya shirina kolec - 250 tysyach km, a tolshina v nekotoryh mestah ne prevyshaet neskol'kih desyatkov metrov. Sovremennye astronomy polagayut, chto vozrast kolec sostavlyaet vsego lish' sto millionov let. V rezul'tate nabora pyli i dinamicheskogo vzaimodeistviya so sputnikami Saturna proizoidet potemnenie kolec i postepennoe "prosedanie" ih v storonu planety-giganta. V techenie sleduyushih neskol'kih soten millionov let oni mogut poteryat' svoi blesk. So vremen Galileya astronomy pytalis' ponyat' tainu etih kolec. Sovershaya svoi 29-letnii oborot vokrug Solnca, Saturn nahodilsya 31 dekabrya 2003 goda v blizhaishei k Zemle tochke - na rasstoyanii 1 milliard 200 millionov kilometrov. V blizhaishie mesyacy budut prodolzhat'sya intensivnye nablyudeniya planety s pomosh'yu nazemnyh teleskopov.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

English text
Po materialam Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: Saturn - rings - Galileo Galilei - Saturn - kol'ca - Galileo Galilei
Publikacii so slovami: Saturn - rings - Galileo Galilei - Saturn - kol'ca - Galileo Galilei
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