INTEGRABILITY OF HAMILTONIAN SYSTEMS . The necessary conditions of the existence of additional first integrals in Hamiltonian systems with n>=2 degrees of freedom are investigated. ... Ziglin S.L. Splitting of separatrices, branching of solutions and nonexistence of an integral in the dynamics of a rigid body. ... Ziglin S.L. Branching of solutions and nonexistence of first integrals in Hamiltonian systems. ... Зиглин С.Л ., ... Contact: Dr.Prof. Sergey L. Ziglin, tel. ... IRE RAS 1996-2006 ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

... Treaty concerning the Cession of the Russian Possessions in North America by his Majesty the Emperor of all the Russias to the United States of America; Concluded March 30, 1867; Ratified by the United States May 28, 1867; Exchanged June 20, 1867; Proclaimed by the United States June 20, 1867. ... But the cession, with the right of immediate possession, is nevertheless to be deemed complete and absolute on the exchange of ratifications, without waiting for such formal delivery. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The algorithm and appropriate program for decametric radiosignal propagation conditions prediction for paths from 500 to 9000 km have been developed at ISTP SB on the basis of normal wave method (AltyntsevaB.I,Iliyin N.V., Kurkin V.I. and others //Decameters channel simulation on the base of normal wave method . ... Solar activity indices are chosen automatically from the prediction date from the database . ...

... See "About ATMoB" / "Network" for more details on the clubhouse network. ... Direct viewing of a laser-pointer beam, even briefly and at a distance of a kilometer or two, has the potential to cause temporary flash blindness — the same effect you get right after a flash photo is taken — or afterimages. ... To help use our laser tools safely, the Amateur Telescope Makers of Boston, Inc. has adopted these recommendations as policy. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

You can make a symbolic link that points to a file that does not exist. The link becomes active when the file that it points to is created. ... Look at this example: ln -s $HOME/accounts/pending current (make a symbolic link to a non-existent file) more current cat: accounts/pending: No such file or directory (this is what happens if you try to page it) cp ~/accounts/may ~/accounts/pending (now to create the file that the symbolic link points to) more current XYZ Co. ...

... astro-ph . ... SAI VO . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . Normalized to: Points, S. 36 article(s) in total . 165 co-authors, from 1 to 18 common article(s). ... Babler, B. L.. Babler, Mr. Brian L.. ... Blum, Robert D.. ... Derwent, Mark. ... Elias, Jay. ... Frogel, Jay A.. Fukui, J. Lewis. Fukui, Yasuo. ... Mac Low, Mordecai-Mark. ... Mizuno, Akira. Mizuno, N.. ... Seaman, Robert. ... Trueblood, Mark. ...

Альтернативный форум . Scientific.ru Все форумы . Постоянные участники форумов [ .. ... The second law of Newton - Zhivotov, kinetic energy and work of forces. ... It is scarlet - work of tangential forces. ... Re: Второй закон Ньютона - Животова (Редактированное) (То) . ... Второй закон Ньютона - Животова, кинетическая энергия и работа сил. ... снова все то же Munin, 11.12.2007 13:39 . ... Re: Второй закон Ньютона - Животова, кинетическая энергия и работа сил. v_rtex, 08.12.2007 17:34 . ...

... 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...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

. Comment on J1239-1023 . No image is shown by Dallacasa et al. (1998) as they did not find the VLBI structure at 2.3 and 8.4 GHz prominent, just dominated by a compact region barely resolved in position angle about -45 . In our case the source is well resolved, with a jet pointing to the W-NW direction, in agreement with what is seen in the images at 2.3 and 8.4 GHz from the VLBA Calibrators database. VLBApls home page . Last modified: 16 Oct 2000

... 13 1000000000 2500000000 2000000000 500000000 1500000000 0 -1500000000 -1000000000 -500000000 0 500000000 1000000000 1500000000 1000000000 500000000 -500000000 0 -1500000000 -1000000000 -500000000 -1000000000 -500000000 0 500000000 1000000000 1500000000 -1500000000 -1000000000 2500000000 2000000000 1500000000 1000000000 500000000 0 -2000000000 -1500000000 -1000000000 -500000000 0 500000000 1000000000 -500000000 -1000000000 . ... 2012. ... URL: http://www.asc.rssi.ru/millimetron/millim.htm 8. ...

... Multimedia-проект . презентация Power Point) . учащихся 10-го класса . ... учащейся 10-го класса Алимовой Насти . Great Britan (London) . ... учащейся 10-го класса . ... учащейся 10-го класса Шмаковой Ольги . London . ... учащегося 10-го класса . ... учащейся 10-го класса Прохоровой Анны . ... учащейся 10-го класса Николаевой Ольги . ...

... Under conditions of the Earth gravitation we are using the method of semi-natural simulation of linear accelerations in the centrifuges with a mobile cab for simulation of G-loads, originating in a space flight. ... The major factor of the orbital flight, affecting a cosmonaut, is a weightlessness state, which causes essential changes in cardiovascular and vestibular systems operation. ... Under the Earth conditions you can "execute" a short-term space flight according to the following cyclogram: . ...

... Астрофорум - астрономический портал ? ... Астрономическое оборудование и аксессуары (Модераторы: zlyden , Denk36 ) ? Бюджетная камера от Point Grey Research . ... 01.12.2008 [20:39:07] ? ... Цитата: S.Fire от 01.12.2008 [21:26:02] Мне эта камера кажется достаточно перспективной. ... Цитировать The Chameleon camera, part number CMLN-13S2M/C-CS (mono/color), is priced at USD $375 (single quantity) and is available now from Point Grey Research and its network of distributors. ...

... The mount is also adjustable so you can orient the axis of rotation to make it parallel with the Earth's axis of rotation (see the section on Polar Alignment). ... Locate the opening in the equatorial mount on the DEC axis. ... To mount the telescope tube: 1. ... ADJUSTING THE MOUNT FOR POLAR ALIGNMENT In order for the clock drive to track accurately, the telescope's axis of rotation must be parallel to the Earth's axis of rotation, a process known as polar alignment. ... R.A. & DEC axis ! ...

... 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. ...

Atm 2 ospheric time constant with MASS and FADE 0 A. Tokovinin CTIO, Chile Adaptive Optics time constant 0 = 0.314 r0/V0 = 0.057 6/5 [ Cn2(h) V5/3(h) dh MASS time constant: 0, MASS, Numerical simulation 1. Set turbulent layer strength (seeing) & sp. response Definition (1 rad phase difference between wavefronts at t= 0) ] 3/5 = 0.175 (2 DESI ) 3/5 ; 2 DESI = < [ IA(1ms)/ IA(3ms) ] >2 0, MASS, This is an approximation! ... The MASS method is approximate! ...

... 2004: . ... An increase in star brightness is followed by a decrease in asphericity and wind velocity to the point where stationary and even accreting fraction of the wind appears in extremely bright objects together with a flowing out fraction. ... Based on an analysis of observations obtained with BTA and on the published data it was found that degree of abnormality of energy distribution in continuum of magnetic chemically peculiar stars increases with an increase of their rotation period. ...

... учитель информатики и информационных технологий, . ... В последние годы в нашем Центре были проведены эксперименты по использованию офисных информационных технологий для изучения астрономии в 11 классе. ... В проектной работе было решено использовать возможности процессора презентаций Power Point, который превращает введенную текстовую и числовую информацию в профессионально выполненные слайды, наполненные диаграммами, таблицами, графическими иллюстрациями, звуковыми фрагментами. ...