Материал получен непосредственно от автора этих систем телескопов кандидата технических наук Клевцова Юрия Андреевича. ... Эта группа оптических систем кассегреновского типа является логическим развитием систем Аргунова-Акме [1,2] , достоинством которых, как известно, является сферическая оптика и сравнительно небольшой размер корректирующих линз, а недостатком - большой вторичный спектр, сопоставимый по величине с вторичным спектром рефрактора полуапохромата, и паразитные блики. ... Вид системы . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Universe . ... Space Flight . ... By admin December 9, 2010 Posted in: Armagh Planetarium . ... This weekтАЩs€а Carnival is presented by the cute and cuddly Starry Critters .€а You can go straight to the Carnival by clicking here . Go and dive in to the best of online astronomy writing! ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. ... Subscribe to Astronotes . ...

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• Carnival of Space No 178: a galaxy of space blogs | Astronotes
• Astro Topics
• NASA's Space Drive Experiments: The Plot Thickens | Astronotes

... But there also exists a practical angle: in a world increasingly dependent on electricity and electronics, the "space weather" outside the atmosphere can have serious effects, in particular on human communications. Currently more than 200 communication satellites circle the Earth in synchronous orbit . ... For a view of NOAA's "space weather report," click here ; another such report, from the University of Michigan, is linked here . ... Another such event occured April 7-11, 1997 . ...

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• Millennium of Geomagnetism
• Non-Seismic Wavelet Transforms
• Article on "Stargazers"

... Aurora from Space . ... Magnetic Storms . ... Solar fast Particles . ... Currently more than 200 communication satellites circle the Earth in synchronous orbit . ... Another effect of magnetic storms (and to lesser extent, of substorms) is a greater intensity of the electric currents circulating between Earth and distant space. ... One spacecraft would orbit near Earth, the other would be stationed elsewhere in the Earth's orbit around the Sun, capturing a sideways view of solar eruptions. ...

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• Millennium of Geomagnetism
• Article on "Stargazers"
• The Sun's Magnetic Cycle

... Rapoport, and A.N.Slavin "Direct Observation of Two-Dimensional Self-Focusing of Spin Waves in Magnetic Films" // Phys. Rev. B. Brief Reports. 1997. ... Grimalsky V., Rapoport Yu., Slavin A.N. "Numerical difraction of magnetostatic waves in ferrite films" // Journal de Physique. ... Милиневский Г.П. "Научные исследования на украинской антарктической станции Академик Вернадский" // Радиофизика и радиоастрономия. ... технолог?я. 1997. ... Ки?в. 1997. вип. ...

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NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . This is on-line version of Russian magazine Novosti Kosmonavtiki. This electronic version covers Russian and International space news. Those who wish to obtain the full, translated copy of an article will be charged an additional price, which varies with the size of the article. If you'd like to subscribe to our journal and receive the full version (in Russian), please contact us at . ... 12 / 2002 [October, 2002] . ...

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• News of Cosmonautics - October, 2002 | Russian Space News | CosmoWorld.ru
• News of Cosmonautics - September, 2002 | Russian Space News | CosmoWorld.ru

An article on the base of oral presentation “Design and Implementation of the Teen-Age Message” at the 1 st International Workshop “THE ART AND SCIENCE OF INTERSTELLAR MESSAGE COMPOSITION”, March 18, 2002, Paris , France , http://publish.seti.org/art_science . ... A radio signal with constant frequency and so, with zero initial information content, uses the "language of nature" to report to Them some useful astrophysical data about the interstellar medium. ... Continuous Function . ...

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• Preface

. Home . Research . cv . Publications . Contact Me . Refereed Articles б б б б б б б  Conference Proceedings and Other Articles . Chronologically б б б б б б б б б б  By Citation Count . Template design by Andreas Viklund .

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• Home Page of Raquel Salmeron
• Worked Example 02
• Dougal Mackey - Conference Proceedings

... Г? l'occasion de l'AnnГїe mondiale de l'astronomie en 2009, Ciel & Espace lance sa nouvelle collection "L'encyclopГїdie", qui rassemble autour d'un sujet fort, historique ou thГїmatique, les meilleurs articles des archives de la revue. ... PrГїsenter en un seul "lieu" l'ensemble des connaissances sur le thГЕme choisi, en respectant l'impГїratif de pertinence au regard de l'actualitГї astronomique. ... GalilГїe en est le pivot, car c'est avec lui que naissent l'astronomie et la physique modernes. ...

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• http://www.cieletespace.fr/node/10435?width=400&thickbox=1
• http://www.cieletespace.fr/node/8732?width=400&thickbox=1
• http://www.cieletespace.fr/node/6620?width=400&thickbox=1

... Observing . ... Article submission guidelines . ... Observing features explain where to find and how to view celestial objects and include sky maps, diagrams, and illustrations. ... The magazine contains two broad types of articles: features on the science of astronomy and those on the hobby of astronomy. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Bright planets meet at dusk | Astronomy.com
• Jupiter joins Venus in the early evening | Astronomy.com
• Astronomers crowdfund effort to recreate "alien" signal | Astronomy.com

... Armagh Observatory's Human Orrery has recently been highlighted on the international stage by publication of an article about the exhibit in the prestigious USA-based journal Astronomy Education Review. The article, "The Armagh Human Orrery: A New Educational Tool for Astronomy", is part of the 10th issue of the electronic journal Astronomy Education Review (see Volume 5, No. 2, 2007 ), which receives an average of 130,000 to 270,000 hits per month from 91 countries around the world. ...

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• Terry Mosely's Bulletins
• Bibliography
• Stars Beyond Maturity

... VLTI/AMBER spectro-interferometry of the Herbig Be star MWC 297 with spectral resolution 12 000" , Weigelt G., Grinin V. P., Groh J. H., Hofmann K.-H., Kraus S., Miroshnichenko A. S., Schertl D., Tambovtseva L. V., Benisty M., Driebe T. and 5 coauthors; A 2011, 527, 103 pdf . ... Grinin V. P.; AstL 2010, 36, 422 pdf . ... Mechanism for cyclical activity of the Herbig Ae star BF Ori" , Grinin V.P., Rostopchina A.N., Barsunova O.Yu., ... Sergeev S. G., Tambovtseva L. V.; AstL 2009, 35, 114, pdf . ...