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. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

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... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

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• Center for Linguistic Documentation
• Moscow Center for Continuous Mathematical Education - Independent University of

... These three bright nebulae are often featured in telescopic tours of the constellation Sagittarius and the view toward the center of our Milky Way galaxy. ... Molecular Torus Surrounds Black Hole . ... In the centers of active galaxies, supermassive black holes at least thousands of times the mass of our Sun dominate. ... C153 Takes the Plunge . ... Neutron Mars . ... Hurricane Frances Approaches Florida . ... The Dotted Dunes of Mars . ... What causes the black dots on dunes on Mars? ...

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... Институт прикладной математики им. М.В.Келдыша . БАЛЛИСТИЧЕСКИЙ ЦЕНТР . О Центре . ... Баллистический Центр Института прикладной математики им. М.В.Келдыша РАН . Баллистический центр (БЦ) ИПМ им. М.В. Келдыша создан по предложению С.П. Королева и М.В. Келдыша в 1965 году. На него были возложены работы по баллистико-навигационному обеспечению (БНО) управления полетом пилотируемых кораблей и автоматических космических аппаратов научного и народно-хозяйственного назначения. ...

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... 2000 May 27 . M51: The Center Of The Whirlpool . Credit: N. Panagia ( STScI , ESA ), NASA . Explanation: In the center of M51 , a spiral galaxy 23 million light-years away, astronomers have identified a dense region of young stars. ... This 1996 Hubble Space Telescope image of its nucleus reveals the light from millions of stars, perhaps one tenth the age of the Sun, packed into the bright central region. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

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• APOD: November 18, 1997 - In the Center of the Trapezium
• APOD: 2005 July 10 - In the Center of the Trapezium
• APOD: 2003 March 2 - In the Center of the Trapezium

home resources > books . SEARCH ASP SITE: Match ALL words Match ANY word . ... Buy The Black Hole at the Center of our Galaxy at Amazon.com! Reviewed by Terrell Kent Holmes . In 1974 astronomers discovered a bright radio source at the center of the Milky Way Galaxy, in the direction of the constellation Sagittarius. It was an unknown quantity then, but astronomers now know that the object is a supermassive black hole causing a maelstrom of activity at the galactic center. ...

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. [ Go back to Comet WWW site ] . Andrew A. Martis . martis @ sai.msu.ru .

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[ CATS home ] [ Back to CATS list ] [ ftp ] . 2000ApJS..131..335Rutledge+ . Division of Physics, Mathematics and Astronomy MS 220-47, California Institute of Technology, Pasadena, CA 91107 rutledge@srl.caltech.edu, rb@astro.caltech.edu, prince@srl.caltech.edu

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• The Galactic center region catalog
• Astronomical Data Center

HIPASS Name RA, DEC(J2000) l, b NED ID peak rms mom0 vsys w50 w20 vLG MHI Ref. ... Col(1,2) = HIPASS name (HIPASS Jhhmm-dd; A,B,C if needed) . Col(3,4) = HIPASS center position in RA, DEC (J2000) . ... NGC6822 0.490 Mpc (Mateo 1998) . DDO210 0.880 Mpc (Mateo 1998) . NGC0055 1.480 Mpc (Mateo 1998) . ... ESO594-G004 1.060 Mpc (Mateo 1998) . IC5152 1.590 Mpc (Mateo 1998) . WLM 0.925 Mpc (Mateo 1998) . NGC3109 1.250 Mpc (Mateo 1998) . SextansA 1.440 Mpc (Mateo 1998) . ...

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• Multiple Phase Centers
• CENTERS
• The Brightest Galaxies from HIPASS

... CfA Home . HCO Home . SAO Home . ... Welcome to CfA . CfA History . ... Laboratory Astrophysics . Extreme Astrophysics . ... 617) 495-7210 . ... 617) 495-7044 . ... 617) 495-7265 . ... HEA Research . ... HEA Home Page . CFA/HEA Home Page . ... High Energy Astrophysics Division (HEAD) . Chandra X-ray Center . ... Chandra Cluster Cosmology Project . Chandra Multiwavelength Project (ChaMP) . ... Chandra-Planck Clusters Project . ... CfA Virtual Observatory Project . ...

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• Wendy Roberts - Bibliography, Harvard-Smithsonian Center for Astrophysics
• Chandra Images for J0454.4-6713
• *imcnts* - Radial Profile of an extended source at the field center

The following are some standard questions that observers have about their fixed target confirmation charts. ... Why doesn't my target appear to be centered on the cross hairs? ... How is proper motion handled? ... Target well centered . If your target is not perfectly centered in the cross hairs, see the questions below for why it may not be centered and how well centered it must be . ... So, targets to be acquired by STIS should appear well centered in the cross hairs on the confirmation chart. ...

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• COS Instrument Handbook
• Conclusions
• Obsolescent Acquisition Parameters

PUL VLBI Analysis Center . ... IVS : International VLBI Service for Geodesy and Astrometry . ... An IVS VLBI Analysis Center at the Central Astronomical Observatory at Pulkovo of the Russian Academy of Sciences, also widely known as Pulkovo Observatory, has been organized in September 2006. ... The center is a part of the Pulkovo EOP and Reference Systems Analysis Center (PERSAC) . ... Results of VLBI data analysis can be found at Pulkovo EOP and Reference Systems Analysis Center (PERSAC) page. ...

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• Pulkovo EOP and Reference Systems Analysis Center (PERSAC)

... Credit: Don F. Figer (UCLA), and NASA A photo and caption are available via the World Wide Web at http://oposite.stsci.edu/pubinfo/PR/97/33.html and via links in http://oposite.stsci.edu/pubinfo/Latest.html or http://oposite.stsci.edu/pubinfo/Pictures.html. Images are available via the World Wide Web at http://oposite.stsci.edu/pubinfo/gif/pistol.gif (GIF), http://oposite.stsci.edu/pubinfo/jpeg/pistol.jpg (JPEG). ... A full resolution TIFF image is available in /pubinfo/tiff/1997/33.tif. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/Varie.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/Gl623b.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/halebopp.txt

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . The new Kopernik Space Education Center is New York State's first science laboratory facility designed for K-12 teachers, students and their families. ... Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• U.S. Space Camp U.S. Space Rocket Center, AstroGuide Listing
• Khan Scope Center, AstroGuide Listing

. A Hubble Space Telescope image shows the Ultraluminous Infrared Galaxy Arp 220, about 250 million light-years away in the constellation Serpens. The image shows the dust-obscured starlight from hundreds of star clusters in a small region of the galaxy about 5,000 light-years across. At the center of the image are two bright knots, where researchers detected magnetic fields. NASA, ESA, and C. Wilson (McMaster University, Hamilton, Ontario, Canada)

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3CD5629C-8916-4203-B970-CD073AE3494E%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B15D63973-78C1-4024-B311-6749F8B5521E%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BEC51FA31-61CD-4D63-8BA8-FACB95A54AFA%7D

... Мировой Центр Данных . ... Мировая система данных МЦД в России и Украине English . ... Данные . ... в Мировой Центр Данных по солнечно-земной физике в Москве ! МЦД по СЗФ является регулярным членом Мировой системы данных Международного совета по науке. ... Наш сайт содержит информацию о МЦД по СЗФ в Москве, его архивах и базах данных, о данных в прямом доступе и о возможности поиска данных, об участии центра в научных проектах и программах, а также ссылки на другие сайты с геофизическими данными. ...

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• Index of /stp/data/cosmic.ray
• World Data Center for Solar-Terrestrial Physics, Moscow

... 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. ...

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• V.G. Petukhov (Khrunichev State Research and Production Space Center).
• "The Profile Constellation"
• IKI Scientific-Educational Center

Results of analysis . ... IAA EOP Service . ... EOP series are regularly submitted to the IERS, and also are available at the IAA EOP Service page. EPN coordinate time series . EUREF Permanent GPS Network (EPN) coordinate time series is computed from analysis of available EUREF weekly solutions. ... Second solution is based on independent combination of individual EPN Analysis Centers' solutions . ... USNO GPS Timing Operations . ... GPS Time Series . ... EPN : European Permanent GPS Network . ...

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• Keywords_133
• IAA VLBI Analysis Center
• IAA SLR Analysis Center