Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... August . ... August, 2013 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...

... astro-ph . ... SAI VO . ... Spectra disentangling applied to the Hyades binary Theta^2 Tau AB: new orbit, orbital parallax and component properties . ... Theta^2 Tauri is a detached and single-lined interferometric-spectroscopic binary as well as the most massive binary system of the Hyades cluster. ... Due to the strategic position of the components in the turnoff region of the cluster, these new determinations imply stricter constraints for the age and the metallicity of the Hyades cluster. ...

... Russian KOI8 . Publications of Oleg Verkhodanov . ... O.V.Verkhodanov, E.K.Majorova, O.P.Zhelenkova, D.I.Solovyov, M.L.Khabibullina. ... O.V. Verkhodanov, A.G. Doroshkevich. ... M.L.Khabibullina, O.V.Verkhodanov , 2011, The Estimation of Black-Hole Masses in Distant Radio Galaxies Astronomy Reports, V. 55 , No. 4, pp. 302-309, arXiv:1108.4506 . ... In Proc. (Reports' theses in Russian) of the 23d All Union radio astronomical conference "Galactic and extragalactic radio astronomy". ... SAO RAS. ...

... Сегодня: 10 апреля 2016 г. В минувшую субботу в Лондоне в музее науки состоялся первый европейский предварительный показ первого трехмерного космического фильма Space Station 3D, сделанного в формате IMAX. ... Длительность фильма 45 минут, всем зрителям сначала раздали специальные трехмерные очки. Сюжет фильма - строительство Международной космической станции с запуска первого модуля с космодрома до монтажа конструкций станции на орбите. ... Первый трехмерный космический фильм Space Station 3D . ...

Skylab" (English: sky laboratory), the american orbital station for the flights in the Earth orbit; the programme of its design. It was put into the orbit in 14.5.73. ... The station was not aimed to returne to the Earth; the crew changing was carried by the transport spaceship "Apollo". In 1973 - 1974 the three crews were working on board the station (3 persons in one) the maximum duration of the flight was 84 days (the 3d crew). 11.7.1979 was the last day of this station. ...

Neutron Monitors ] [ Solar Neutrons ] [ Muon Telescopes ] [ Base Potchefstroom University ] [ Magnetometers ] [ GPS systems ] [ Ionosphere ] [ Related Data ] [ Space Weather ] . ... All Cosmic Ray Stations + InterPlanetary Data: WorldNet . Alma-AtaB (Mt.Tien Shan) DataBase of Kazakhstan Spectrograph Alma-AtaB (Mt.Tien Shan) new . ... Nagoya Muon Telescope and DATA or mail . ... Belgrade Muon Telescopes and DATA or ">mail . ... Real-Time database for Cosmic Ray Anisotropy (DB10) . ...

... Орбитальный модуль Sundancer . ... В 2010 году началась проверка систем жизнеобеспечения для космического отеля. ... 1М (космический аппарат) . ... 2МВ (космический аппарат) . 3МВ (космический аппарат) . ... AGILE (космический аппарат) . ... ANS (телескоп) . ... Dawn (космический аппарат) . ... SOHO (космический аппарат) . ... Spica (космический телескоп) . ... Swift (космический аппарат) . ... Астрон (космический аппарат) . ... Восток (космическая программа) . ... Союз (космический корабль) . ...

Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование > Что за фирма и что за стекло . ... Просмотр полной версии : Что за фирма и что за стекло . Timur . 02.06.2003, 11:28 . ... Может быть даже кварц. ... blockquote>Цитата:<hr />Автор - Timur: . ... Есть такая среди производителей оптического стекла? ... По крайней мере, эта фирма имеет похожее название и изготавливает стекло. ... A MASK, OR PHOTOMASK, IS A GLASS OR QUARTZ PLATE COATED . ...

... During all period of our investigations Dr. N.Sumzina from the Institute of Applied Astronomy of RAS had prepared the Numbered Minor Planet positions from MPC Database for our processing with kind permission of the Director of Minor Planet Center Prof. Braian Marsden. ... Our extensive processing of the MPC data allows us to conclude that CCD observations of the Numbered and Unnumbered Minor Planets have the errors, sometimes very crude. ...

... On the basis of hypothesis about Solar s ystem formating from endo-Galactic Vortex, stated by е.л. Trunaev, who have acquainted the author of the present work with his manuscript in 1991 during personal contact , the results of attempt to apply its main rules to some calculations at the Solar system actually and at planets satellite systems are below stated. ... orbit in . ... All satellite systems of planets, as well as the Solar system, are formed from two- branch pre-planetary (pre-Solar)...

... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...