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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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... A Web browser with Java support and an account to establish a secure Internet HTTP connection to the Goddard Space Flight Center (GSFC), is everything needed in order to use the new Control Center System (CCS). Then full access to the telemetry of the Hubble Space Telescope (HST) is given (Figure 2). A public version of CCS is also available. ... Rifkin, A. 1997, Reengineering the Hubble Space Telescope Control Center System, Institute of Electrical and Electronics Engineers Inc. ...

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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

... Home Observing Charles Dana Discovery Center, Central Park . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Charles Dana Discovery Center . ... 6:30тАУ8:00 p.m. The Charles Dana Discovery Center is just inside Central Park, near 110th Street between Lenox and Fifth avenues ( map ). ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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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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Next: CCD observations and data Up: Observations and data reduction Previous: Observations and data reduction . Spectra obtained in the IPCS mode with the grating B1 (600 grooves/mm) cover the range of 3600 - 5500 ? ... Sky spectrum was accumulated simultaneously in the aperture of the same size displaced by 20'' along the current azimuth direction. ... Next: CCD observations and data Up: Observations and data reduction Previous: Observations and data reduction root . ...

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• Introduction
• A 20 cm VLA survey of Abell clusters of galaxies
• The discovery of SN1998bv in blue compact galaxy HS 1035+4758

Astronomy Picture of the Day . ... 28.02.1996 . ... Credit: J. Schoemer ( NASM ) Explanation: Tremendous explosions near the center of our Galaxy were discovered just this past December and are being announced today by a paper in Nature and a press conference at NASA . Bursts like these have never been seen before, and so the exact cause is unknown and will likely be the source of astronomical speculations and observations for years to come. ... Publications with keywords: Galactic Center . ...

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• Journal "Peremennye Zvezdy"
• The Diner at the Center of the Galaxy
• Discovery Departs

... S-6.The X-ray Sun . S-7.The Sun's Energy . S-7A. The Black Hole at . our Galactic Center . ... Our Sun is part of a huge wheel-shaped collection of stars. ... 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. ... Far from being a voracious devourer of stars and of interstellar gas, "our own" black hole is rather benign. ... What holds galaxies together? ...

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• Brief History Introduction Brief History Introduction
• The Discovery of Atoms and Nuclei
• A Brief History of Magnetospheric Physics Before the Spaceflight Era

... Nova NGC 2403 2005 , ATEL 1638 discovered 2005/01/14.949 by K. Hornoch . ... Located 20".9 east and 74".9 south of the center of NGC 2403 ( Discovery image ) . ... Located 18' 6.6" east and 7' 2.5" north of the center of NGC 224 (= M31 ) ( Quimby discovery image ) ( Marco Fiaschi discovery image ) . ... Located 93" east and 240" north of the center of NGC 224 (= M31 ) ( Discovery image ) ( Koichi Itagaki prediscovery image ) ( Federico Manzini image ) . ... Nova M31 2005 images sub-page . ...

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• Extragalactic Novae
• Extragalactic Novae - 2001.
• Extragalactic Novae - 2002.

... PUL VLBI Analysis Center . ... Pulkovo EOP and Reference Systems Analysis Center (PERSAC) is located at the Pulkovo Observatory . ... Processing of VLBI , GPS, and optical observations aimed at analysis of the Earth rotation, station displacement, and celestial reference system. ... Celestial Pole Offset (CPO) and Free Core Nutation (FCN) . Four daily updated CPO and FCN series (models) are provided. ... File fcn1.dat contains the ZM1 FCN model with variable amplitude and phase. ...

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• Pulkovo VLBI Analysis Center
• Pulkovo NEO Page: General Information
• Pulkovo NEO Page: Estimation of Observational Accuracy

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

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• Comet Center of SAI: Our observations

... Nova NGC 2403 2005 , ATEL 1638 discovered 2005/01/14.949 by K. Hornoch . ... Located 20".9 east and 74".9 south of the center of NGC 2403 ( Discovery image ) . ... Located 18' 6.6" east and 7' 2.5" north of the center of NGC 224 (= M31 ) ( Quimby discovery image ) ( Marco Fiaschi discovery image ) . ... Located 93" east and 240" north of the center of NGC 224 (= M31 ) ( Discovery image ) ( Koichi Itagaki prediscovery image ) ( Federico Manzini image ) . ... Nova M31 2005 images sub-page . ...

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• APOD: August 8, 1995 - Columbia Waits, Discovery Launches
• APOD: 2011 December 30 - The Diner at the Center of the Galaxy
• APOD: February 28, 1996 - Explosions Discovered Near Galactic Center

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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• Siding Spring Survey 2003 XB22
• You are the NASA Goddard Space-Flight Center
• Siding Spring Survey 2004 CB

... After 1958, when scientific satellites began exploring the Earth magnetic environment, many puzzling phenomena could be directly examined, especially the polar aurora and disturbances of the Earth's magnetic field [see Stern , 1989a]. ... The large-scale structure of the magnetosphere, the space region dominated by the Earth's magnetic field, was gradually revealed within the next decade: its trapped particles, its boundary, and its long magnetic tail on the night side. ... Introduction . ...

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• Galileo to Jupiter
• Chronology of Solar System Discovery
• A Brief History of Magnetospheric Physics Before the Spaceflight Era

. This is a framed page, but your browser doesn't support frames. Get FireFox!

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• Natural Satellites Data Center. Objectiv.
• Data bases of Natural Satellites. Documentation. Structure
• Links to Sites Related to Solar Physics

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

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Data files used in analysis (supported by the IAA except other stated) . ... Database name-Experiment code cross-reference table (based on the IVS master files, updated with every new session) . ... Observations Statistics (updated near-daily) . ... Starting from June 2004 IAA AC regularly submits NGS cards to the IVS with a delay of several hours after appearing of the database in the IVS archive. ... Session tropospheric paremeters are regularly submitted to the IVS troposphere combining center ...

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• IAA EOP Service
• (Untitled)
• IAA GPS Analysis Center

... 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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• *imcnts* - Radial Profile of an extended source at the field center
• Chandra Images for G001.9+00.3
• SAO RSDC Home Page - RRA - PSPC