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... 0 ) = Z '' '' 0 [(1 \Gamma '')'' 1=2 sin 2 i sin 2!] ... We use the similarity theory to present the non--dimensional period T \ Lambda of the evolution of the parameters '' and i as a product of the independent factors: T \ Lambda = \ Gamma (4=15)(a \ Gamma3 =2 \ Lambda =LD )jL c (c 1 ; c 2 )j. Here LD = Ї k \ Lambda a \ Gamma3 k \ Lambda '' \ Gamma3 =2 k Ї \Gamma1=2 \ Lambda is the non-- dimensional parameter of disturbances similarity dependent on the dynamical characteristics of the ...

Magellanic Clouds in interaction evolutionary search for good models Adam Rzicka1, Jan Palous1, Christian Theis2 1Astronomical Institute, Prague; 2Institut fЭr Astronomie, Wien Idea investigate the LMC-SMC-Milky Way (MW) interaction by modeling the distribution of HI related to the Magellanic System (BrЭns et al. ... How much does the HI distribution tell about the LMC/SMC motion? ... It's all about proper motion... select a high-quality model (FF 0.5) and look around Tidal models don't work.. ...

... 2003 June 4 . Eclipse in the Mist . ... Explanation: The Sun and Moon rose together over much of Europe on the morning of May 31st with the first solar eclipse of 2003 already in progress. ... Last month was indeed a rewarding one for eclipse watchers as May's full Moon and (second) new Moon lined up for their respective lunar and solar eclipses. November 2003 will also host both a total lunar and total solar eclipse . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

NAME dbmmanage - Create and update user authentication files in DBM format SYNOPSIS dbmmanage filename [ command ] [ username [ encpasswd ] ] DESCRIPTION dbmmanage is used to create and update the DBM format files used to store usernames and password for basic authentica- tion of HTTP users. Resources available from the httpd Apache web server can be restricted to just the users listed in the files created by dbmmanage. ... This manual page only lists the command line arguments. ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Programs . ... dbmmanage is used to create and update the DBM format files used to store usernames and password for basic authentication of HTTP users via mod_authn_dbm . Resources available from the Apache HTTP server can be restricted to just the users listed in the files created by dbmmanage . ... One can usually use the file program supplied with most Unix systems to see what format a DBM file is in. ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Programs . ... dbmmanage is used to create and update the DBM format files used to store usernames and password for basic authentication of HTTP users via mod_authn_dbm . Resources available from the Apache HTTP server can be restricted to just the users listed in the files created by dbmmanage . ... One can usually use the file program supplied with most Unix systems to see what format a DBM file is in. ...

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

. XMM-Newton Science Analysis System . attfilter (attfilter-1.3.1) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page + select exposure and obtain exposure boundaries + cut out relevant part of attitude time series + calculate median values (RA/DEC/APA) on restricted set + compose selection expression using computed median values + invoke tabgtigen + add median attitude values to new GTI table . XMM-Newton SOC/SSC -- 2007-07-09

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

... Images and Data from the Shared Skies Partnership . ... Open access to selected images and data . Restricted access to user data . Restricted access for schools . Restricted access for the astronomy lab . Other Data and Image Resources . Sky View (internet virtual telescope) . SIMBAD Astronomical Database . ... International Astronomical Union Circulars (restricted access) . Sloan Digital Sky Survey Release 8 . Multimission Archive at Space Telescope . ...

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Появление жизни основанной на аминооксидах и РНК/ДНК на планетах земного типа требует довольно узкого диапазона физических параметров. Наиболее важные из параметров это масса планеты и температурные условия. Кроме того, только звезды спектральных классов от F до K могут иметь планеты пригодные для жизни. ... умеренную гравитацию; . ... умеренный период вращения; . умеренный экцентриситет орбиты; . умеренный наклон экваториальной плоскости к плоскости орбиты; . ...

Astronomy Picture of the Day . International Space Station in Transit . ... Credit: Tom Laskowski Explanation: A stunning telescopic image of the International Space Station crossing in front of an eight day old Moon, this picture was captured on April 11th. ... Seen below the lunar terminator at the lower left, the International Space Station appears here at a distance of just over 400 kilometers, with the Moon nearly 400,000 kilometers away. ... Publications with keywords: ISS - Moon - transit . ...

... The DT tag element specifies a term name, and you can have several terms per DD element. ... CLASS . This a space separated list of SGML NAME tokens and is used to subclass tag names. ... The CLASS attribute is most commonly used to attach a different style to some element, but it is recommended that where practical class names should be picked on the basis of the element's semantics, as this will permit other uses, such as restricting search through documents by matching on element class names. ...

... Доска объявлений (продам) (Модераторы: zlyden , Denk36 ) ? Продам МСТ-180 и камеры и прочие аксессуары . ... Сообщений: 3 739 . ... Restricted . ... Возможен торг. lumenera1.jpg (62.83 КБ, 567x722 - просмотрено 168 раз.) . lumenera2.jpg (57.26 КБ, 709x501 - просмотрено 130 раз.) ... Продам мою легендарную камеру Celestron NexImage, перешита в RAW, работает нормально, состояние хорошее (даже коробка сохранилась), 4200 рублей. neximage1.jpg (59.71 КБ, 314x425 - просмотрено 126 раз.) . ...

S AO's New Generation Multipurpose CCD Controller . ... In the 1990?s considerable advances have been made in the world over technology of manufacturing scientific image detectors with high photoelectric characteristics, which called for the creation of new complex array controllers to operate such detectors. ... very low readout noise; . ... Quite a few teams of researchers and engineers are ingaged in the development of controllers. ... development, SPICE modelling and design of modules; . ...

Next: A Universal Diagram for Up: ``Ecology'' of Magnetic Rotators Previous: The Corotation Radius . The interaction of a magnetic rotator with the surrounding plasma to a large extent depends on the relation between the four characteristic radii: the stopping radius, , the gravitational capture radius,   , the light cylinder radius,   , and the corotation radius,   . ... Hence, the classification of the interaction regimes may well mean the classification of magnetic rotators. ...