... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...

APAO is a relatively new Olympiad which was founded in the spring 2005 as an international regional programme in line with the International Astronomy Olympiad. The 11 th Asian-Pacific Astronomy Olympiad (XI APAO) took place in November 2015 in Ashulia , Savar, North-West suburban area in Dhaka province , Central part of Bangladesh ). ... Theoretical and Practical rounds were held in Daffodil International University auditoriums. ... For the best result in all the rounds . ...

... Solar Corona - Basic Level of Heliosphere. ... Solar Wind, Its Characteristics by Observation on the Terrestrial Orbit. ... Shock Waves in Heliosphere - General Physical Aspect and Features of Propagation of Solar Wind in Medium. ... Solar Cosmic Rays - Morphology, Origin, Energy Spectrum, Manifestrations in Outskirts of the Earth. ... Comets as Natural Heliosphere Probes. ... Dinamics of Heliosphere Dust - Light Pressure, Sublimation, Crashing, Sweeping by Solar Wind, Falling on Planetary Bodies. ...

ADC CATALOG HOLDINGS SHORT TITLE LIST March 29, 2002 (adapted from ftp://adc.gsfc.nasa.gov/pub/adc/archives/catalogs/key) Category 1: Astrometric and Positional Data - March 29, 2002 1090 Positions of 502 Stars in Pleiades Region (Eichhorn+ 1970) 1107A Washington Cat Visual Double Stars 1984.0 (Worley, Douglass 1984) 1131A SAO Star ...

... The New 1997 IEEE Standards Products Catalog features the complete listing of standards publica-tions and services IEEE Standards offers, along with the information you need to place your order. ... Books and Other Products on Standards - contains a detailed listing of informative print and electronic publications relevant to standards and their implementation in areas of electrical engineering, electronics and computer technology. ... IEEE Standards Products Listing 22 . ... Power Electronics 41 . ...

February 2008 Astronotes 1 Hot spots of Saturn pole of Saturn. ... But at the start of January 2008 another image was taken not of the planet's south pole, but of the north pole and a similar hot spot was discovered. "...for the past ten years it has been winter at Saturn's north pole " This warming came as a shock because for the past ten years it has been winter at the north Polar View This infra red composite of images from Cassini shows Saturn's mysterious polar hexagon. ...

... This book uses many authentic sources such as factual texts, newspaper articles, features and TV schedules, instruction manuals, everyday signs, stories, quizzes, emails and diary entries. ... Чернила для принтера HP HP Photosmart 425. цвета: Cyan, Magenta, Yellow, Black, емкость баночек - по 100 мл. ...

NOAA realtime data . NOAA X ray - 1 minute realtime data . ... NOAA Proton fluctuations - 5 minute realtime data . NOAA Solar wind . ... World Data Center for Solar-Terrestrial Physics (Moscow) . Latest Irkutsk Magnetogrammes . ... Millstone Hill . ... Latest Millstone elevation scan data . Latest Millstone azimuth scan data . ... Current auroral image from POLAR UVI . ... Canadian magnetometer data from the CANOPUS Chain . ... Current Dst Index . ... Latest Millstone digisonde data ...

... Sea Surface Temperature, restored from NOAA satellite data . You may use Java applet to view temperature maps in more detail. Using the applet, you can build "accumulated" temperature maps from selected data, get temperature values in any point and save the resulting image to your local disk. Date and time of the data . ... 14:25 (GMT) . 3.04.2016 . ... For information send a mail to: info@sputnik.infospace.ru . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des interviews, des portraits . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Des sources hydrothermales fossiles sur Mars . ... Pour en savoir plus sur ces sources hydrothermales et la recherche de la vie sur Mars, guettez le prochain num†йro de "Ciel & Espace", en kiosque le 24 novembre. ...

... The enumeration of singularities of differend kind is a classical subject of enumerative geometry. ... This problem was studied for last 30 years in the framework of intersection theory. ... The motivation for this formula came from topology, namely, from cobordism theory --- the field that looks rather far from algebraic geometry and intersection theory, perhaps, this was the reason why this formula were not observed before. ...

Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... The average annual indices of sunspot activity . Visual indices of solar activity by National Geophysical Data Center . ... 0.06 . ...

... Multifrequency study of radio sources with the Virual Obsevatory tools . ... We reliably identified 76 % of radio sources of the RCR catalogue. ... According to available photometric and spectral data for about a half of reliable identified sources we defined types of the host galaxies, and 45% of radiosources are quasars, 16 % are galaxies of late types, 22 % are galaxies of early types, 19 % are galaxies of early types with a high activity in radio range. ...

... Seminar archive . ... The structure of the X-ray sources in the hard spectral state of accreting black-hole binaries has been a subject of intense debate. The paradigm dominant for many years postulated that the accretion disc in the hard state is truncated at some radius >> the innermost stable orbit (ISCO) whereas the disc reaches the ISCO in the soft state. ... On the other hand, there have been numerous claims in recent years that the disc extends to the ISCO in the hard state. ...

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...

. Name . Last modified . Size . Description . Parent Directory . - . EmbedHTML.zip . 24-Jan-2006 13:24 . 72K . Telescope_C++.zip . 24-Jan-2006 13:25 . 44K . ValidatorSetup_0_9_6.exe . 24-Jan-2006 13:32 . 807K . ascomC++Sample.zip . 24-Jan-2006 13:25 . 124K . dotnetTelescopeNSerial.zip . 24-Jan-2006 13:24 . 6.3K . Apache/2.2.14 (Ubuntu) Server at vega.inp.nsk.su Port 80

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...