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... 11 лет назад 25 апреля 1990 г. с борта "шаттла" Discovery на околоземную орбиту был выведен космический телескоп Hubble. ... В честь очередного дня рождения NASA опубликовало эффектные снимки туманности "Конская голова", сделанные, правда, не только телескопом Hubble. ... Астрономы-любители часто используют "Конскую голову" для проверки своего оборудования и своих астрономических навыков, так как это один из самых трудных объектов для наблюдения в любительский телескоп. ... другие статьи .. ...

Cost Estimating Web Site . ... 2005 NASA Cost Analysis Symposium Databases . ... World , European Communities , Other European Countries , Americas , Asia , Africa , General US , US Federal Government , US Department of Defense , Aerospace Industry , NASA , Science & Engineering Handbooks . NASA Cost Estimating Handbook 2004 , Parametric Estimating Handbook .. ... Consumer Price Index , Employment Cost Index , GDP Deflator , Import Price Index , NASA New Start Index , Producer Price Index . ...

... Discovery of 47-s pulsations in the X-ray source 1RXS J225352.8+624354 / arXiv:1305.3439 , May 2013 . ... Optical spectroscopy of X-ray source IGR J22534+6243 / Atel # 4248 . ... Search for counterparts of newly discovered INTEGRAL/IBIS sources / Atel # 4166 . New INTEGRAL Galactic Plane Survey in SkyView / blog . Likely X-ray counterparts of newly discovered INTEGRAL/IBIS sources / Atel # 4165 . AGN in the INTEGRAL/IBIS 9-year Galactic hard X-ray survey / Atel # 4151 . ...

. Sternberg Astronomical Institute, Moscow, Russia . GENERAL CATALOGUE OF VARIABLE STARS: References . File Summary: . GCVS References . NSV References . NSV Supplement References . The list of the abbreviations in the References .

... The effect is strongest in the most evolved, high-latitude supergiant V5112 Sgr=IRAS19500-1709, which has an extended structured envelope (Figs.1 and 2). In the optical spectrum of this object, the BaII ion lines are split into three components (Figs.3 and 4). ... Thus, we discovered for the first time the enrichment of the stellar envelope with heavy metals produced at the AGB stage. ... Detection of heavy-metal lines in the spectrum of the circumstellar envelope of a post-AGB star. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Space Flight . ... A galaxy is born: This artist's impression shows a young galaxy, about two billion years after the Big Bang, accreting material from the surrounding hydrogen and helium gas and forming many young stars. ... Galaxies, distant from us in space and time, have been in the news recently. ... Astronomers at the European Southern Observatory have observed another process which helped primordial galaxies grow. ...

... 248, 2007 W. J. Jin, I. Platais & M. A. C. Perryman, eds. c 2008 Intern atio nal A stro nom ical U nion doi:10.1017/S1743921308018838 A compiled catalogue of reference stars around the selected ERS in the northern sky V. P. Ryl'kov1 , N. Narizhna ja1 , A. Dement'eva1 , N. Maigurova2 , G. I. Pinigin2 and Y. I. Protsyuk2 1 Main Astronomical Observatory of RuAS, MAO RuAS, Russia email: vryl@gao.spb.ru; 2 Nikolaev Astronomical Observatory, NAO, Ukraine email: pinigin@mao.nikolaev.ua Abstract. ... Pul...

... Students come to class with an understanding of how the world works. ... The teacher observes how the students are approaching a problem, the kind of questions they are asking and how they answer them, what concepts are solid and which ones are still evolving. ... In a constructivist class the activities the students do are relevant to them and the unit they are learning, i.e. they have to use the knowledge acquired as a tool to solve the larger question they are trying to answer. ...

The Ministry of Education and Science of the Russian Federation Samara State Aerospace University (National Research University) DETAIL DESIGN OF AIRFRAME PART List of suggested books and references 2011 1 Compiler: Reznichenko Gennadiy A. Detail Design Of Airframe Part = [Electronic resource]: List of suggested books and references / The Ministry of Education and Science of the Russian Federation, Samara State Aerospace University; Compiler Reznichenko G.A. - Electronic text (27 kb). ... 1 CD-ROM. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...