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. Families of periodic solutions of the planar restricted three-body problem and their application at designing the orbit for the space radio telescope . A. B. Kreisman . Astro Space Center of Lebedev Physical Institute of Russian Academy of Sciences, Moscow, Russia Abstract: . No abstract Key words: . Very Long Baseline Interferometry (VLBI), celestial mechanics, periodic solutions, planar restricted three-body problem, space radio telescope.

... 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. ...

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; . ...

... 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.) . ...

... Apache HTTP Server Version 2.2 . ... On systems with multiple users, each user can be permitted to have a web site in their home directory using the UserDir directive. Visitors to a URL http://example.com/~username/ will get content out of the home directory of the user " username ", out of the subdirectory specified by the UserDir directive. ... Per-user web directories . ... the URL http://example.com/~rbowen/file.html will be translated to the file path /home/rbowen/public_html/file.html . ...

... 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. ...

. Microwave Chains . The majority of the modified Nobeyama radio heliograms corresponds to the restricted range of the brightness temperature of Tb~5000-20000 K. On the negative Nobeyama radio heliograms, the white (i.e. absorption) features are radio filaments. October 30-31, 1992 . May 10-15, 1993 . November 1-4, 1993 . August 20-September 02, 1998 . Back to the parent page . Last update: 2 April 1999 . 

Next: Which filesystem should be Up: Filesystems Previous: What are filesystems? Linux supports several types of filesystems. ... The most featureful of the native Linux filesystems, currently also the most popular one. ... There is also the proc filesystem, usually accessible as the /proc љ directory, which is not really a filesystem at all, even though it looks like one. ... dr-xr-xr-x 4 root root 0 Jan 31 20:37 1 . ... r--r--r-- 1 root root 0 Jan 31 20:37 filesystems . ...

... 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...

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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 . ...

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. ...

... The XFreeOS2 mailing list deals with all aspects of the XFree86/OS2 port of the X Window System, including, but not restricted to . ... Please ensure that your email address is stable and reachable, so don't use for instance some PC in a university cluster which is occasionally offline, or which is good for sending mail only. To send a message to other list subscribers, send your mail to the address . ... Replies to mails from the list will be sent back to the list. ...

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. What is ChASeM33? . Purpose & Aims . Pictures . Links . Presentations . Scientific Publications . The ChASeM33 First Look Catalog . The ChASeM33 Final Source Catalog . Project web page (restricted access) . Last updated 2011-02-22 12:58:38 EST

. < Previous Figure < Main Page < Next Figure . The same as in Fig. 1. An analysis of the spectral range near the core of H_alpha is restricted to rapidly rotating stars. In other cases this range was deleted from the spectra. < Download average spectrum of o Per . < Download average spectrum of reddened stars . < Previous Figure < Main Page < Next Figure .

... 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. ...