... Such particles are called ``optically soft'', and the corresponding approximation could be named that of optically soft particles. ... For the theory based on the assumption (1), there are a set of the names: Rayleigh-Gans [ 11 ], Rayleigh-Debye [ 274 , 397 ], Rayleigh-Gans-Born [ 474 ], Rayleigh-Gans-Debye [ 78 , 144 , 409 , 410 ], Rayleigh-Gans-Rokard [ 132 ], Rayleigh-Debye-Gans (RDG) [ 100 , 462 ], Born (or the first Born) [ 56 , 135 ] approximation. ...

Astronomers at Armagh Observatory observed the partial eclipse of the Sun on 29 March under unusually good conditions. ... The images, taken by astronomer Miruna Popescu, shows the eclipse as seen from the Armagh Observatory at around 11:30 (Summer Time) on 29th March, and the way it was observed by astronomer Apostolos Christou with a small portable telescope equipped with a filter to protect against the Sun's dangerous radiation. ... For more images from Armagh see: Miruna Popescu's Pages . ...

. Language [RU/EN] Search: . Home . UP . Research . Projects . Services . Info . News . Events . Personal . Archive . Ionosphere and radiowave propagation: structure . The main page . Information . Publications: . 2011 - 2015 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2000 - 2004 . 1995 - 1999 . Participation in International symposiums and conferences: . 2013 - 2015 . 2011 - 2012 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2002 - 2004 . N.V. Pushkov . 09/04/2016 23:52 MSK . webmaster@izmiran.ru .

... The goal of this course is to teach some basic methodologies for analysing problems of control of partial differential equations. ... When dealing with controllability problems, one has to distinguish between finite-dimensional systems modelled by ordinary differential equations and infinite-dimensional distributed systems described by means of partial differential equations. Most of this course deal with problems related with partial differential equations. ...

... Астронет | ... Словарь | ... О словаре . ... Термин "condition" . condition : . условие . ... aplanatic condition : . опт.) условие апланатизма . ... опт.) условие синусов . atmospheric(al) conditions : . атмосферные условия . Bohr frequency condition : . условие частот Бора . ... boundary conditions : . граничные условия . continuity condition : . ... физические условия . ... физические) условия на планетах . ... физические) условия на поверхности (напр. планеты) . ...

... ratios Evolution Equations with · Now write · Evolution equations now · Define trajectories via Cosmic Trajectories Dust =0 de Sitter phase Radiation =1/3 Initial singularity Cosmic Trajectories · For a range of initial conditions, models re-focus around the flat ... case · For decoupled matter and radiation can solve the equations exactly · Solutions governed by two constants: Non-Euclidean Geometry · Axioms of ...

TOOLS OF TEST GENERATION FOR SATELLITES CONTROL PROGRAMS Andrey Tyugashev, Ekaterina Myasnikova, Elena Sopchenko S.P. Korolyov Samara State Aerospace University (National Reseach University) The paper presents a research in the field of test automation for testing spacecraft control programs. ... Programmers or designers of spacecraft systems write tests manually. ... Tests are carried out by issuing the control actions on the spacecraft and condition monitoring systems parameters of the spacecraft. ...

... By accessing this web site, you are agreeing to be bound by these . web site Terms and Conditions of Use, all applicable laws and regulations, . ... The materials contained in this web site are . ... information or software) on Supernovae.net тАЩs web site for personal, . ... Supernovae.net may revise these terms of use for its web site at any time without notice. By using this web site you are agreeing to be bound by the then current version of these Terms of Service and Privacy Policy. ...

There is an obligation of team leaders to translate these rules and regulations to native language of participants in advance. Starting since 2004 this translation has to be done in written form as an obligatory part of application to the International Astronomy Olympiad.) ... Don't write the conditions of problem in rough copy or clean copy. ... All additional information for participants to be done in both official languages of the Olympiad: in Russian and in English. ... Rough copy. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Here we present the ionospheric parameters variations for quiet conditions. ...

Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...

... Research of an atmosphere of the Earth and other planets of Solar system by optical methods . ... The long-term experience of study of atmospheres of planets of Solar system in a department of physics of planets has defined directions and methods of researches spent for laboratory . ... The tasks of laboratory are researches by optical methods of structure of a Terrestrial atmosphere, namely study of spectra of absorption of its compound radiation of natural and artificial sources. ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... Submitted by Al Takeda on 11/21/2013 09:43:24 . Comet C/2012 S1 (ISON) - November 15, 2013 . Comet C/2012 S1 (ISON) was still rising early enough to clear the trees (approximately 7-degrees altitude) at the Clubhouse before astronomical twilight. ... The comet was still a binocular object under the local sky at the Clubhouse. 5 images x 35-second subframes, Total= 2.9 minutes. ... ATMoB Clubhouse, Westford, MA, 15 November 2013. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

A 2-D vision of the solar wind turbulence at the smallest scale seen yet, thanks to observations by Cluster satellites. ... The inset shows conditions as would be seen facing the solar wind, with current sheets forming at the border of turbulent eddies. The trajectory of the Cluster spacecraft is marked on the inset by the black line and the color gradients represent the magnetic field strength intensity from 4.8 nT (darkest shades) to 5.2 nT (white). ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... Apache HTTP Server Version 2.4 . ... Although the Apache HTTP Server provides generic error responses in the event of 4xx or 5xx HTTP status codes, these responses are rather stark, uninformative, and can be intimidating to site users. ... Additionally, a set of values are provided, so that the error document can be customized further based on the values of these variables, using Server Side Includes . ... Customizing Error Responses . ... ErrorDocument 500 http://error.example.com/server_error.html...

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

... Пластиковый соединитель FIT применяется для быстрого и надежного соединения шланга 3/4" с любой насадкой поливочной системы. ... особенности музыкального проектора chicco первые грезы: новый проектор для создания волшебной атмосферы во время nbsp ; сна. зная nbsp ; предпочтения nbsp ; своих nbsp ; малышей, nbsp ; вы сами выбираете nbsp ; nbsp ; классические nbsp ; nbsp ; мелодии nbsp ; nbsp ; и nbsp ; проецирование изображений звезд, которые помогают малышам уснуть. музыка nbsp ; баха ...

... Telescopes . ... Fig. ... Theoretical optical resolving power of the MSS, depending on the phases of the moon under typical weather conditions. ... The optical resolving power of the telescope with the MSS allows to observe stars of up to the 12 magnitude. ... Currently, more than 90% of observational time with the MSS spectrograph is used in the spectropolarimeter mode with a diffraction grating 24.7њ. ... wide spectral region with a reciprocal linear dispersion of 9 ?/mm (0.1215 ?/pix) at a time. ...