. Precision increase for the theory of relative motion of a satellite's pair . K. V. Kholshevnikov . Astronomical Institute of St. Petersburg State University, and Institute of Applied Astronomy, St. Petersburg, Russia Abstract: . No abstract Key words: . Very Long Baseline Interferometry (VLBI), celestial mechanics, precision increase, relative motion of a satellite's pair.

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... GCR and SCR are primary cosmic rays. 10-15 years after the discovery of cosmic radiation (1919) there emerged two main avenues of investigation in the physics of cosmic rays (CR): 1) nuclear - elucidation of the origin of elementary particles and nuclear interactions; and 2) astrophysical (space physics) - solution of the problem related to the origin and variations (changes in intensity) of CR. ... Besides, the CR flux in interplanetary space is, strictly speaking, not isotropic. ...

A comparative study of type I and type II supernovae . ... Sternberg State Astronomical Institute, Moscow, U.S.S.R. (Received 26 November, 1985) . ... No significant difference between SNe I and SNe II has been found in their radial distribution and frequency of outbursts in spiral galaxies. ... The radial distribution of type Ia SNe in spiral galaxies is only slightly steeper than the one for SNe II, while SNe Ib/c are more concentrated towards the central regions. ...

... The possibility to use the electrostatic approximation to calculate the polarizability allows one to consider practically any shape scatterers - from the regular ones (ellipsoid, cylinder, disc) [ 7 , 274 ] to those with an arbitrary shape, structure and anisotropy [ 308 , 309 , 313 , 405 ] (in the last case the polarizability tensor should be found numerically) - using the theory of the Rayleigh scattering. ...

INTERELATION OF GEOMAGNETIC DISTURBANCES AND SOLAR WIND PARAMETERS Ivanov V.G., Miletsky E.V. Central astronomical observatory of RAS at Pulkovo Abstract Interrelations between characteristics of geomagnetic activity and parameters of the solar wind are investigated. ... Relatively simple relations that link variations of geomagnetic activity and solar wind parameters are found. The obtained models allow quantitative estimation of influence of the solar wind parameters upon geomagnetic activity. ...

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... Pre-university education . ... SSAU History . ... International relations . ... Thus, in different years the University entered into agreements with the universities of China (Harbin Politechnical Institute, Beijing Aerospace University , Beijing Politechnical University , North-West Politechnical University , Bradley University (USA), Sofia Technical University (Bulgaria), Stuttgart Technical University (Germany), Berlin Technical University (Germany), Carlow Technical ...