... IONOSPHERIC DATA IN THE INTERACTIVE SPIDR SYSTEM . ... The Ionosphere The ionosphere is that part of the upper atmosphere where free electrons occur in sufficient density to have an appreciable influence on the propagation of radio frequency electromagnetic waves. ... These regions may be further divided into several regularly occurring layers, such as F1 or F2. ... E Region: The region between about 95 and 150km above the Earth that marks the height of the regular daytime E layer. ...

Databases (NSDC) of the Natural Planetary Satellites. Sources and references of the data . NSDC: Database of astrometric observations of Natural Planetary Satellites . ... The observational data are taken from various sources: . ... The catalogue of observations of the Martian satellites published by Morley T.A. A catalogue of ground-based astrometric observations of the Martian satellites, 1877-1982, Astronomy and Astrophysics Supplement Series. 1989. vol. 77. n. 2. p. 209-226. ...

Pulkovo NEO Page . ... Pulkovo Names of Asteroids . ... Near Earth objects (NEOs) are asteroids (NEAs) and comets that can approach to the Earth in a motion along their orbits. ... If to take into account that the number of discovered asteroids is more than 400 thousand it is clear how important is the correct naming of these objects. ... Astrophysical observations (photometric, spectral, polarimetric, etc.) are oriented at derivation of information about physical properties of objects. ...

Personal Pages of Astronomers . ... home | ... Jarle Aasland (Comet Hale-Bopp: Norwegian Images) . ... Howard C. Anderson (Astrophotography Images and Information) . ... Patrick J. Anway (Lookum Observatory) . ... Peter Armstrong (ScanCam Home Page) . ... Bill Arnett's Astronomy Page . ... Astro Nights home page ( Australia ) . ... Alex Michael Bonnici (Space Exploration) . ... Michael Boschat . ... Brendan's Astronomy Page ( Republic of Ireland ) . ... Steve's Astronomy and Astrophotography page . ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

... Pre-university education . ... Samara region . ... A small spacecraft Aist-2D , developed by the scientists of Samara State Aerospace University (SSAU) and the experts of the Rocket and Space Centre Progress will see from outer space what is hidden under the thick top of trees and below the Earth's surface. The radar equipment was installed on Aist-2D , which was delivered to the space launcher complex Vostochniy on January 22. ... Tomography of the Earth's ionosphere will also be carried out. ...

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

... Солнечные затмения 2004-2024 . ... Short report about viewing of Venus Transit at 8 June 2004. ... The same situation was at Berdyansk at the June, 8, 2004, when Venus Transit occur. ... At the photo below, you can see how cloudy it was when the transit began. ... You can see it at the picture 1. ... I would like to thank Illya Pustovit, who kindly gave me a permission to use his digital camera for taking pictures of this Venus Transit and helped me a lot with working on gotten pictures. ...

The sections <Directory> , <Location> and <Files> can contain directives which only apply to specified directories, URLs or files respectively. Also htaccess files can be used inside a directory to apply directives to that directory. ... The order of merging is: . ... If multiple <Directory> sections apply to the same directory they are processed in the configuration file order. ... Using the options in question is only possible inside a <Directory> section (or a .htaccess file). ...

SDTP-2007 starts on June 30, 2007. ... The SDTP-2007 program was renewed. ... Our forums . Unofficial SDTP forum . Official YSC and SDTP forum. This forum means for news, dialogues and questions related to all YSCs' programs. (by Yaskevich Nikita). http://spacedtp.proboards61.com . Our galleries . SDTP-2006 Gallery . This's the gallery of most interesting photos from the annual international students' workshop SDTP. (by Elena Chernetsova) . ... Presented by Nikita Yaskevich.) ...

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

АНОНС НАУЧНЫХ КОНФЕРЕНЦИЙ 1998-99 гг. ... An AAS Electronic Announcement Dear Colleague: NASA has approved development of a Wide Field Camera 3 (WFC3) for installation in the HST on the 2002 Servicing Mission. A Scientific Oversight Committee (SOC) is being established to ensure that the broad interests of the scientific community are represented in the development of WFC3. The primary task of the SOC will be to advise the HST Project and STScI in all areas of scientific performance of WFC3. ...

... Baikonur Cosmodrome Yasny launch base Downloads . ... Town of Baikonur residential area of the Cosmodrome . ... For receipt, temporary storage and standalone processing of payloads (including, if necessary, filling with propellant and compressed gases), as well as for preparation, integration and encapsulation of the Space Head Module (SHM), ISC Kosmotras offers an Assembly, Integration and Test Building (AITB), Fueling Station and office premises located at Site 31 of the Baikonur Cosmodrome. ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

... Have you ever seen Siberian Nature? If you haven't take your chance and experience 10 days in heart of Russia, Siberian town Zelenogorsk. Have your students ever created an International Projects of their own? ... In the Thinking on Future, your students will communicate, share ideas about their future, future of the country, future of the Planet. There will be a great community of scientists and students from the Universities and teenagers from schools of our town. ... Future Lander | ...

... Yerga Expedition . ... Novaya Yerga Expedition . ... I n 1662 a meteorite shower fell near the village of Novaya Yerga. ... In 2002, the Meteoritics Laboratory of the Vernadsky Institute of Geochemistry And Analytical Chemistry of the Russian Academy of Sciences (GEOKHI) organized an expedition to search for the location and any traces of the Novaya Yerga meteorite shower. ... After visiting the town of Kirillov, the expedition returned to Novaya Yerga, i.e. to near the village of Nekrasovo. ...

Main News Phones Research area Brief history Institute Structure Experimental Base Observational data English/Russian . research on the site(Google) . ... 7(4112)390400 . Fax: . 7(4112)390450 . ... Optical Station . ... Phone: +7(4112) 390 460 . Address:Maimaga 678330 Namsky ulus, Sakha Republic, Russia . Fax: +7(4112) 390 450 . ... The optical polygon is located in the settlement of Maimaga at a distance of about 140 km to the north from Yakutsk. ... photometric facilities . ...

... Если ВЫ нашли метеорит . Статьи и сообщения . ... 25 октября 2004 года во время экспедиции, организованной для изучения находки нового российского метеорита, скоропостижно скончался Александр Евгеньевич Милановский, активно содействовавший развитию метеоритики в России, талантливый исследователь, популяризатор науки и автор идеи данного сайта. ... Он был многогранной личностью и после многих лет работы в геологии в нем не угасла "детская" увлеченность, желание познавать новое. ...