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Next: Visitors and Seminars Up: Research Previous: M. de Groot, Consultant Contents . ... Zodiacal Cloud . ... The zodiacal cloud is a disc of dust orbiting within the inner planetary system. ... Existing models of the zodiacal cloud have always adopted an equilibrum assumption, in which the input from comet and asteroid disintegration balances the output from collisional grinding between the dust particles and their removal by the Poynting-Robertson effect. ...

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• The /proc filesystem
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... Restrictions ) are used. If specified form of output is EMP then astrometric equatorial coordinates are printed in the form usual for Ephemerides of Minor Planets, with formal precision of 0.01 minute of time in R.A. and 0.1 minute of arc in declination. ... It should be noted that the near-opposition ephemerides are not calculated for bodies/ points with numbers from –12 to 0 (in case they are included into task for computation of such ephemerides only their names are displayed in the results). ...

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... Astronomy index . ... This tour, of the world of astronomy, physics and spaceflight, may just as well end with a light-hearted 1878 poem by the Czech poet Jan Neruda . ... Do Frogs Exist there Too ?" . ... Like moles they dig for learning. ... They call one foot, that's all. ... Do frogs exist there too?" ... star? jim ?ab?k u?en? . ... teprv jim loket jeden. ... Foot" as used here, in Czech "loket," actually means "cubit," the distance from elbow to stretched fingertips, about a foot and a half. ...

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... Speed clips mount or disconnect pouches and other gear quickly and efficiently by weaving them under the webbing of the platform, alternately weaving it between the platform and pouch. ... Speed clips contain an accessory lanyard hole . ... simply cut the strap off or tuck it behind the Speed Clip) . ... Женские ботинки Thermoball Lace от The North Face займут достойное место среди вашей коллекции спортивной обуви. ... Ботинки Thermoball Lace - отличный выбор стильной и технологичной зимней обуви. ...

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• Грамматика русского языка. Часть 2. Пунктуация - MagnaMedia Developer -

In Actor Prolog a resident is a special mechanism that helps processes to inspect state of other processes. A resident observes the state of a specified (target) process and if the state of the process changes (for instance, after message handling) it proves a specified predicate of the process. ... Work of the resident. ... Any change of the list of target processes or arguments of resident function results in activation of the resident and repeated collection of information in the target worlds. ...

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... Engineering experiments aimed at testing and developing engineering solutions for a future interplanetary vehicle were a prominent activity during missions of Salyut and Mir space stations. ... In October 1998, cosmonauts placed on the outside surface of Mir space station some samples of film-type solar array, which constitutes a key element of the Martian vehicle, in order to study how they are affected by actual space environments. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

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Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... This trend has allowed projects and users to build customized processing systems from existing components. We present examples of user­customizable systems that can be built from existing tools, based on commonly­used infras­ tructure: a parameter interface library, FITS file format, Unix, and the X Windows environment. ... User Applications Users often need to sequence several tools. ...

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BOOK REVIEWS 607 attention and students. ... With the publication of Planets and Life, a textbook for graduate students and upper level undergraduates, astrobiology is taking another large step towards formalizing itself as an established multidisciplinary field. ... This book combines reviews of existing evidence for mantle plumes with the results from recent studies and uses them to understand the upper mantle structure beneath several of the world's volcanic regions. ... Planets and Life. ...

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TEMPERATURE OF REGOLITH IN COLD TRAPS ON THE MOON A.A. Berezhnoi Sternberg Astronomical Institute Moscow, Russia The hypothesis of the existence of the lunar ice in cold traps was stated in (Watson et al., ... Arnold, 1979) estimated the mean temperature on the surface of lunar cold traps as 40-90 K. We plotted the dependence of regolith mean temperature on depth for these two values of mean temperature on the surface (see figure 1). ... Arnold J.R. Ice in the lunar polar regions, J. Geophys. ...

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Computer Ephemeris. Reduction quantities for Dynamical time. Explanations. Each row contains for the date specified at 0 h of Time Dynamical Terrestrial: . interval from date to mean epoch T m expressed in julian years, . reduction quantities A+A', B+B', C, D, (all in seconds of arc), E (in 0.0001s), A' , B' (in 0.001). The same table, but for moments, expressed in Sidereal Dynamical Time is to be found on 'Reduction. Sidereal time.' page. ...

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JSC Turns 40 Home | ... Gallery . Johnson Space Center at 40 Years Imagery . ... JSC's Earth Science and Solar System Exploration Division within the Space and Life Sciences Directorate conducts frontier, world-class research in Earth space and planetary science; carries out scientific investigations on NASA missions; gives authoritative science and technology support to NASA and worldwide programs; and communicates NASA science to professional peers, to educators, and to the public. ...

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Molniya Triplane Aircraft . Molniya-1000 (Heracles) . ... It is intended for carrying large-sized cargo up to 450 tons or passenger modules with capacity up to 1200 persons at the external suspension. It can be used as an aircraft-carrier for aerospace systems. The HERACLES aircraft can be used on non-class as well as the first class airdromes with improved (if necessary) taxi ways. The use of low pressure pneumatics enables the aircraft operation from prepared ground airfields. ...

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June 3, 1998 . ... An example of the chain revealed by various space and ground-based images. A clear chain of relatively large and perhaps double, bright points goes from the N-E limb to the N-W sector of the disk or even to the N-W limb. ... This chain have being developed during June 2 and existed about two days. Some other chains can be seen as well, especially on the SOHO/EIT images. Back to the page of the SOHO/EIT and Yohkoh/SXT chains . Back to the parent page . ...

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• Figure 3

... Observatory . ... The Laboratory of Astrometry . Dept. for Physics of Stars&Galaxies . ... Astronomical Calendar . ... UkrVO . ... The purpose of research: Creating a stellar catalog to study the structure and kinematics of star systems, including open star clusters and stars with large proper motions; the enhancement ICRF / Hipparcos system to stars dawn to 17 m (V); Search of binary systems of brown dwarfs and determination of their parameters; astrometry of minor bodies of the Solar System. ...

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Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

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... A bright flare-up of emission (>1000 Jy) was found in OH-maser source during tests of 18cm receiver in observations with Kalyazin 64-m radio telescope (August 2004). ... Appendix (The list of used acronyms) ASC Cold Plate DC Astro Space Center of Lebedev Physical Instutute cooled LNAs and antenna feed hermetic device container (part of payload ); it contains Formatter, Rb oscillators, synthesizer, control unit and is placed under dish DM Device Module = DC + H-maser EGSE ...

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• MINUTES
• ОТЧЕТ

... This is perhaps the most common question asked by visitors to the planetarium. ... This is known as the Drake Equation and reads as follows: N = R* fp ne fl fi fc L N is the number of communicating civilizations in the galaxy R* represents the average rate of star formation in the Milky Way Galaxy fp is the fraction of those stars that have planets around them ne is the number of planets per star that are capable of sustaining life fl is the fraction of planets in ne where life ...

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