Yu.V.Lunyova, A.F.Kholtygin . Chemical evolution of the system of galactic planetrary nebulae , Astrophysics , 45 , 451-463 (2002) . Chemical evolution of the system of galactic planetary nebulae beginning from the early age of the Galaxy is investigated. We calculate radial and vertical abundance gradients of C, N, O, Ne, Ar, Cl and S depending of different ages of the central star of the nebula. It have been founded statistically significant dependence of abundance gradients with the age of central star.

... CB3 0HA, U.K. The UCDs (Unified Content Descriptors) were first developed in the ESO/CDS data mining project, to describe precisely the contents of the individual fields (columns) of tables available from a data center. ... We present different applications of UCDs: selection of catalogues, based on their content; identification of catalogues having similar fields; automated data conversion allowing direct comparison of data in cross-identifications. ... a definition of the corresponding UCD; . ...

... Основная статья: Modules for Experiments in Stellar Astrophysics pdf файл статьи . ... Volume 192, Number 1 . ... 2011 ApJS 192 3 . ... Stellar physics and evolution calculations enable a broad range of research in astrophysics. ... A one-dimensional stellar evolution module, MESAstar, combines many of the numerical and physics modules for simulations of a wide range of stellar evolution scenarios ranging from very low mass to massive stars, including advanced evolutionary phases. ...

... A.V. Eliseev . ... V.V. Adushkin, A.V. Vityazev, D.O. Glazachev, G.V. Pechernikova . Exogenous factors in the evolution of the Earth. ... Cosmic rays as a factor of biospheric evolution . ... A.V. Yakushev, N.A. Churilin, V.S. Soina, A.G. Kudinova, E.A. Vorobyova, N.S. Mergelov . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Cosmic Adventures . ... Cosmic evolution in a computer . ... V irgo Consortium astrophysicists used a 25-terabyte databank to create a computer simulation showing cosmic structure's evolution. ... Get instant access to subscriber content on Astronomy.com...

... Вес 36.4 кг . ... Бренд: Изоком . ... Строительная изоляция . ... Позитивный качественный детский ковер с изображением сюжета из мультсериала 'Маша и Медведь' украсит интерьер детской комнаты и наполнит мир вашего ребенка яркими и живыми красками. ... Небольшой размер и вес позволит без труда перемещать ковер в разные места комнаты и легко производить уборку под ковром. ... Ковер Маша и Медведь" 80*133 см" - яркий красочный ковер, за которым легко ухаживать сделает уютной комнату вашего ребенка. ...

The Astro Space Center is conducting fundamental researches in astrophysics including cosmology, structure and evolution of astronomical objects, interstellar and interplanatary medium . The Astro Space Center is developing new ground and space astronomical systems to study the Universe in different ranges of electromagneric spectrum . ... 7-095-333-2378 . Postal address . 84/32 Profsoyuznaya st., Moscow, 117997, Russia . ... Copyright (c) Astro Space Center . ...

... The evolution of magnetic fields in OB-type stars from the study of open clusters of different ages . ... Wade G. A. The MiMeS Project: Magnetism in Massive Stars . ... Polosukhina N., Shavrina T., Drake N., Kudryavtsev D. Smirnova M. New results of the spectral observations of CPstars in the Li I 6708? spectral region with BTA telescope of SAO RAS . ... Magnetic Stars-2010 . ... List of participants . List of reports . ... Laboratory for the Stellar Magnetism Study of SAO of the RAS . ...

... Meta Index / Home Page / User-visible functionality The OAL provides functionality to expand a pair of two or a tuple of four identifiers into a valid ODF data set name which can then be used to physically open the set, e.g. with the dal open method. The corresponding OAL routine receives a string which is either a valid data set name or of the form . odf(<instr>, <mode>[, <expnr>, <ccdnr>[, scheduledFlag]]) . ... For data sets for which the field is not applicable a value of 0 must be given. ...

... 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 ...

... 101) Байки из Фидо (7) Литература (16) Листая страницы прошлого Выберите месяц Апрель 2016 (2) Март 2016 (4) Февраль 2016 (4) Январь 2016 (5) Декабрь 2015 (4) Ноябрь 2015 (3) Октябрь 2015 (5) Сентябрь 2015 (5) Август 2015 (5) Июль 2015 (5) Июнь 2015 (4) Май 2015 (8) Апрель 2015 (5) Март 2015 (4) Февраль 2015 (4) Январь 2015 (7) Декабрь 2014 (7) Ноябрь 2014 (4) Октябрь 2014 (5) Сентябрь 2014 (8) Август 2014 (8) Июль 2014 (6) Июнь 2014 (7) Май 2014 (11) Апрель 2014 ...

... 2000: . According to the BTA observations, the redshift Z=0.7063+-0.0017 was measured for a distant galaxy possessing the 24 magnitude, in which there occurred an explosion of a massive star, followed by a gamma-ray burst catalogued as GRB991208. ... In collaboration with the Space Telescope Science Institute (USA), the Institute of Astrophysics of Andalusia (Spain). ... According to the Palomar Sky Survey, about 600 new nearby dwarf galaxies were discovered. ... Archive . ...

A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

God Science Forum Message . Forums: . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... God and Science | Post . ... Why God Isn't Real . ... Post Message | ... Posted by pachee on June 19, 2009 01:33:50 UTC . ... God Darwin can Co-exist - frobertson - August 15, 2009 - 17:07 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... The study of the Large-scale structure of the Universe and measurements of the Dark Energy equation of state; The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe. ... In course of the all sky survey SRG will discover about 100 000 galaxy clusters and 3 million AGNs. Galaxy clusters are the largest gravitationally bounded objects in the Universe and are best explored through the study of X-ray emission from the hot intergalactic gas. ... 2016 IKI RAN ...

... Wiebe D.S., Shematovich V.I., and Shustov B.M.        Chemical and dynamical evolution of protostellar clouds: initial stages of collapse ( abstract ). ... Shematovich V.I., Wiebe D.S., and Shustov B.M.      Chemical and dynamical evolution of protostellar clouds: chemistry at early stages of collapse ( abstract ). ... Li, Z.-Y., Shematovich, V. I. , Wiebe , D. S., and Shustov , B. M.      A Coupled Dynamical and Chemical Model of Starless Cores of Magnetized Molecular Clouds. ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

... The department was founded in late sixties by Prof. D.Ya.Martynov, who for many years was also the director of Sternberg Astronomical Institute. At present time, the head of the department is Prof. A.M.Cherepashchuk, a pupil of D.Ya.Martynov and his successor as the director of SAI. Since Prof. Martynov, the scientific activity of the department was primarily related to binary stars. ... The department consists of 15 members most of which have Ph.D. in Astrophysics. ...

Магазин . ... Старейший магазин телескопов в России . ... Корзина 0 0 Р . ... Телескопы Celestron . ... Добавить в избранное . ... 49 990 Р . ... Мы рады приветствовать Вас в нашем специализированном магазине телескопов и других астрономических товаров. ... Интерес к звездам, к созерцанию неба, обычно приводит человека к желанию купить телескоп, который позволит ему увидеть своими глазами все далекие сокровища космоса, так красочно описываемые в книгах. ... Copyright TELESCOPE.RU, 2016. ...