. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

. September 2011 April 2011 March 2011 February 2011 . January 2011 November 2010 April 2010 February 2010 . September 2008 August 2008 May 2008 February 2008 .

... February 22 2001 09:00 (Moscow time) . The station "Mir" and cargo vehicle «Progress л 1-5» operations scheduled for 21-22 February completed. The onboard "Mir" and the cargo ship systems checked out, orbit radiomonitoring performed. ... The Station remains pressurized, the onboard systems perform nominal. ... The Station and the cargo ship onboard systems further checkout and the orbit radiomonotoring are scheduled for 22-23 Feb. ...

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... Астрономия . ... Автор tlgleonid Опубликовано в Статьи раздела "Наблюдения" 17 Февраль 2016, 16:06:54 357 просмотров Печать страницы . ... Автор tlgleonid Опубликовано в Статьи раздела "Наблюдения" 14 Январь 2016, 14:41:18 1138 просмотров Печать страницы . ... Автор Tryam Опубликовано в Мероприятия клуба 08 Октябрь 2015, 13:07:00 430 просмотров Рейтинг: 0 (0 Оценки) Печать . ... Автор Tryam Опубликовано в Астрономия в Украине 15 Декабрь 2014, 20:19:00 1715 просмотров Рейтинг: 0 (0 Оценки) Печать . ...

The Influence of the Decay of OB Associations on the Evolution of Dwarf Galaxies E. P. Kurbatov arXiv:1012.1216v1 [astro-ph.GA] 6 Dec 2010 Institute of astronomy, Russian Academy of Sciences 48 Pyatnitskaya st., Moscow, Russian Federation, 119017 kurbatov@inasan.ru Abstract It is commonly b elieved that most of the stars b orn in asso ciations decaying with characteristic velo cities of stars 10 km/s. For dwarf galaxies the decay can lead to ejection of stars from the galaxy. ... Galactic dynamics. ...

... Отмеченная наградами АстроТоп-а . ... 1) К участию в конкурсе допускаются все российские сайты на тему астрономии и космонавтики, и все русскоязычные сайты за пределами России. ... II) Сайт года . ... Победитель: Астронет - http://www.astronet.ru/ : подано голосов экспертов - 109 (всего - 129) . ... 3-е место разделили: Астрономия и Телескопостроение - http://www.astronomer.ru/ и Лента новостей космонавтики от Железнякова - http://www.cosmoworld.ru/spaceencyclopedia/hotnews/ : подано по 37 голосов; ...

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... Following the completion of the launch campaign at Baikonur Cosmodrome, in the course of which European Space Agency s CryoSat-2 satellite was successfully injected into the target orbit on 8 April 2010, ISC Kosmotras has commenced another two launch campaigns: at Yasny launch base and at Baikonur. ... As the launch day draws closer, ISC Kosmotras will keep on publishing information about the progress of the launch campaign at Baikonur. ...

... We guess it's almost impossible to create the site nowadays where all space relative philatelic materials (postage stamps, stationary, postal marks etc.) would be registered and presented. ... We tried to make such a step in April 2005, placing at the site first images of postage stamps with portraits of astronauts (cosmonauts, spacionauts, taikonauts:). ... All illustrative material (or simply speaking, all scans of stamps) are grouped in four sections: Countries , Years , Astronauts and Flights . ...

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...