... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...

... SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ... During this period, 7 AR's crossed the solar disk, in which 20 flares of importance ? ... Data on AR's and magnetic fields were received from the Sayan observatory by teletype. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... Информация Руководство и преподаватели Кричевский Сергей Васильевич . ... Публикации . ... Казанский Н.Л. , Колпаков В. А. , Колпаков А.И. и др. ... Кричевский С.В. , Колпаков В.А. , Колпаков А.И. Генератор широкоапертурного потока газоразрядной плазмы // Приборы и техника эксперимента. 2014. т.2. ... Колпаков В.А. , Колпаков А.И., Кричевский С.В. Устройство формирования внеэлектродной плазмы высоковольтного газового разряда // < , 15-17 мая 2012, Самара, Самара, 2012 г., С. 298-299 . ...

... 33, No. 5, pp. 332­339. i Young Nuclei in Dwarf Elliptical Galaxies I. V. Chilingarian1, 1 2 2 ** , O. K. Sil'chenko1, V. L. Afanasiev2 , and Ph. ... In all three galaxies, the luminosity-weighted age of the nuclei (4 Gyr) is considerably younger than that of the population in the outer regions of the galaxies. ... Kinematically decoupled structures associated with a young metal-rich stellar population can be formed precisely through a dissipative merger of gas-rich galaxies several Gyr ago. ...

... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...

A methodical and didactical complex "Sign Language" . ... ABSTRACT The process of communication of the deaf includes the wide use of the sign language. ... The aim of this work is to develop a tool that should facilitate process of sign language teaching and also give to the trainee a means for independent study of various normative variants of sign language - for example, Russian, English, International and so on. ... The process of dialogue of the deaf people includes wide use of sign languages. ...

ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

. Name . Last modified . Size . Description . Parent Directory . - . astronomy_calendar/ . 2004-03-06 16:10 . - . etudes_about_scientists/ . 2001-12-24 15:21 . - . fire_enthusiasts/ . 2001-12-20 21:24 . - . galaxies/ . 2002-11-22 13:50 . - . making_telescope_at_home/ . 2001-12-20 21:07 . - . return_from_space/ . 2001-08-29 13:13 . - . telescopes_for_amateur_astronomers/ . 2001-01-09 11:45 . - .

... 33, No. 1, pp. 62­71. i Formation of Power-Law Electron Spectra in Collapsing Magnetic Traps S. A. Bogachev 1 1* and B. V. Somov 2** Lebedev Institute of Physics, Russian Academy of Sciences, Leninski i pr. ... It is shown that if the electrons injected into the trap have a power-law spectrum, then their spectrum remains a power-law one with the same slope throughout the acceleration process for both the Fermi and betatron acceleration mechanisms. ... They do not coincide at energies below 20 keV. ...

... Printed in the U.S.A. doi:10.1088/0004-637X/691/2/1222 AUTOMATED LASCO CME CATALOG FOR SOLAR CYCLE 23: ARE CMEs SCALE INVARIANT? ... CME RATE DURING CYCLE 23 Figure 2 shows the daily CACTus CME rate for cycle 23 in red, with the International Sunspot Number (e.g., Vanlommel et al. 2004) superimposed in gray as solar cycle reference. ... The CACTus CME speeds Figure 12. ... A comparison of a sample of common events shows that on average the CDAW CME width is wider than the CACTus CME width. ...

... The Military Aspects of the Soviet Cosmonautics : A Side View . This book is the first effort in an unclassified Soviet publications to provide a comprehensive overview of the Soviet military space program. Presented here are the classification of the military space systems by functions performed (Chapter 1), the analysis of the organizational evolution of the Soviet space program (Chapter 2) and the description of all observable satellite systems of military or double destination (Chapter 3). ...

Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...

... Первая десятка | ... Первая десятка "Русского переплета" Темы дня: . ... PET: A Proton/Electron Telescope for Studies of Magnetospheric, Solar, and Galactic Particles. ... Geosciencies and Remote Sensing, 31, 535, 1993. ... 1 D T distributions, obtained in GAMMA-1, SAMPEX PET, MARIA-2 and ELECTRON experiments (M>4, D L< ± 0.1). Fig.2 D T distribution, obtained on board SAMPEX (M>5, D L< ± 0.05) . ...

ABSTRACTS 10-th International Gamow Summer School "Astronomy and beyond: Astrophysics, Cosmology and Gravitation, Cosmomicrophysics, Radio-astronomy and Astrobiology" (Ukraine, Odessa, Chernomorka, 23-28 August, 2010) MEMORIAL SESSION SERGEY ALEKSANDROVICH SNEGOV (1910-1994) ­ OUSTANDING PHYSICIST, COSMOLOGIST, ASTRONOMER AND WRITER ­ VISIONARY TO A 100-ANNIVERSARY FROM BIRTHDAY Pahomov A.G. PFUM, Moscow It is possible to judge a condition of an astronomical science on literary works of time. ...

... Contact Us . ... Planetarium Staff . ... History . Armagh Goes Digital . ... Freedom of Information . Accessibility . ... Armagh Links . ... Click on the thumbnail images for descriptions of Armagh Planetarium throughout different periods in its history. Documents are in PDF format. ... Eric Lindsay: The man who built Armagh Planetarium . ... Terence Murtagh of Armagh Planetarium makes history . ... The amazing Digistar 3 projection system . ... Amazing Armagh Planetarium facts . ...

RECREATIONAL TELESCOPES . ... TELESCOPE ACCESSORIES . ... Astele™ 60, 70, 95, 133.5 . ... German Equatorial Mount for Astele™ 133.5, 150, 102MN . Astele™ 102MN, 133.5, 150 . ... German Equatorial Mount for Astele™ 180, 203,152MN, 203MN . ... Astele™ 95, 102MN, 133.5, 150, 152MN, 203MN . ... Photo Adapter for Astele™ 133.5,150,180, and 203 . Astele™ 133.5, 150, 180, 203 . ... Astele™ 60, 70, 95, 102MN, 133.5, 150, 152MN, 180, 203, 203MN . ... Eyepiece Adapter, 2" – 1.25", Astele™ 152MN, 203MN . ...

The sky inhabitants - the constellations. ... The constellations of Zodiac. The constellations of Zodiac are very popular. ... They were counted from the point of vernal equinox. ... As a result all the Zodiac row of constellations as if displaced in the two positions the count traditionally begings from the constellation where the point of a vernal equinox is. ... That is why the Sun comes to each Zodiac sign two - five weeks before the time when it comes to the constellation of the same name. ...

The purpose of the space-physics lab exercises is to introduce the students to the methods of the measurements, to the modern conception of near-Earth space structure and the physical processes and phenomena occured in it. ... At present the reasearches and the teachers of the University and of other institutes participating in the project continue development of the the special space-physics lab exercises, and they are interested in your ideas concerning the future exercises. ...

Russian . ... Very Early Universe: inflation, generation of primordial perturbations, preheating . Very Early Universe: inflation, generation of initial perturbations, preheating . Cosmic Microwave Background Radiation: anisotropy and polarization . ... Dark Energy and Dark Matter models . High Energy Astrophysics: accretion discs, cosmic rays, gamma-ray bursts . ... Astrophysics of black holes and wormholes . ...