... The surface of a rotating reflecting liquid takes the shape of a paraboloid which is the ideal surface for the primary mirror of an astronomical telescope. ...
... It is making gravitational maneuvers near the Earth, Venus, and Mercury and transmitting information about the type of planetary surface and its chemical composition. ...
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Ссылки http://resurs.cpi.space.ru/files/Space_activity_at_the_beginning_of_XXI-st_Century.doc -- 160.5 Кб -- 16.08.2012 Похожие документы
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