. Christmas History Traditions Carols Celebration in UK Celebration in USA яhristmas Menu .

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• traditions
• The School Address

... Astronomy and Astrophysics, Pennsylvania State University, . ... The application of CCDs to X-ray imaging and spectroscopy for astronomy is described. ... Results of recent research programs to optimize CCD X-ray response are presented. It is shown that very high quantum efficiencies and Fano noise limited energy resolutions can be obtained. A number of issues related to the practical implementation of future instruments are reviewed. ... Contrasting optical and X-ray applications . ...

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• SciSim Release Track

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

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• To gravitational wave discovery with LIGO
• astro-ph authors/title/abstract search for 'galaxy merging' all years
• astro-ph authors/title/abstract search for 'galaxy evolution ' all years

Authors: V.A. Marsakov , Yu.G. Shevelev , . Journal: 1988, Astron Zh. ... Absolute magnitudes, metallicities, effective temperatures, surface gravities, distances, and tangential velocities are calculated for 5498 F stars with homogeneous data on uvby photometry and proper motion, and placed within 80 pc from the Sun. Components of space velocities, eccentricities of galactic orbits, perigalactic and apogalactic distances, and maximal remotness from galactic plane are presented for 1787 stars. ...

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... Astronomy search engine . ... PhysicsWeb Home Page . ... Sternberg Astronomical Institute . ... Astro Space Center Home Page . ... Landau Institute for Theoretical Physics . ... Astronomy and Space Physics Dept of Kiev University . ... NATIONAL RADIO ASTRONOMY OBSERVATORY Home Page . University of Hawaii - Institute for Astronomy . ... Space Telescope Science Institute Home Page . ... Sky & Telescope: The Essential Magazine of Astronomy . ... Springer LINK - Physics Online Library . ... Home . ...

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... In the light curve depicting their observations, definite trends are noted, here is a "thumb-nail" analysis of the the magnitude estimations of the bright SN (1989B) in the galaxy NGC 3627 (M66). ... 10 (IAUC # 4742) 2/25 13.3 16 j 2/27 13.5(*) 18 lc 2/28 13.8 19 p 3/1 13.2 20 w 3/2 13.5 21 a 3/4 13.8 23 p 3/6 13.3 25 c 3/7 13.3 26 c 3/8 14.1 27 m 3/8 13.3 27 r 3/9 13.4 28 c 3/9 14.1 28 m 3/10 13.6 29 j 3/10 14.0 29 a 3/11 13.6 30 c 3/11 13.5 30 r 3/11 13.7 30 s 3/13 [13.69 CCD Mag.] ...

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• Mees Observatory
• Supernova Links

... Tonight's Sky . ... Observing . ... Press Room . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Sky Events . ... Tune into the Asteroid Day press conference . ... Tune in tomorrow for the Asteroid Day press conference livestream at 9 a.m. EST. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• What would cause Earthт??s orbit to become more circular instead of its present
• Liquid saltwater is likely present on Mars | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,

... Head of the seminar: Prof. B.V. Somov, . ... The seminar considers the questions related to generation of magnetic fields in astrophysical plasmas, effect of the magnetic reconnection and particle acceleration in strong magnetic fields, the origin and propagation of cosmic rays, the flares and other non-stationary phenomena in the solar atmosphere and solar wind, Sun Earth connections and physical processes in the heliosphere. ... On the Topological Models and Topological Trigger of the Solar Flares...

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... About meteorites . ... About laboratory . ... Lunar sample collection . ... July 28 - August 1, 2003, Munster, Germany . Meteoritics and Planetary Science 38 (Supplement), A28. ... Meteoritics and Planetary Science 38 (Supplement), A30. LUNAR METEORITE DHOFAR 310: A POLYMICT BRECCIA WITH DEEP-SEATED LUNAR CRUSTAL MATERIAL . ... These studies present new evidence showing that NWA 011 is significantly different from HED meteorites. 34th Lunar and Planetary Science Conference . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Science Fiction . ... Armagh Planetarium is pleased to announce тАШMaths тАУ It Is Rocket ScienceтАЩ, a Summer Course for all primary school teachers. By signing up to the course Armagh Planetarium Primary Teachers can gain key insights into using Space to develop numeracy skills. ... The European Space Education Office (ESERO) Ireland , is offering places for teachers on a 5 day professional development. ...

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• US Rockets, past, present and future | Astronotes
• Northern Ireland's New Space Science Technology Course | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

Due to technical issues, on September 11, 1998 the radiolink was switched to 465 MHz channel. Data acquisition is presently performed only by SRC "PLANETA", Data Receiving Center in Obninsk and Western Siberia Data Receiving Center in Nobosibirsk . For conditions of obtaining data from RESURS-01 N3 please contact SRC "PLANETA". ... Registration of full data stream (61.44 Mbit/s) is performed only by Data Receiving Center, SRC "PLANETA", Obninsk. ...

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Communications For Your Astronomy Event . Articles | ... John Huggins, December 19, 2005 . ... Citizens Band Radio - The original . Multi-Use Radio Service . Family Radio Service (FRS) . General Mobile Radio Service . Hybrid Radios . Amateur Radio Service . ... Does your event need communications? ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Polar Align Your Telescope, Here's How. - an Astronomy Net Article
• I Disagree, Dr. Dick! - an Astronomy Net Exploration Forum Message
• Wildridge Education, AstroGuide Listing

This is a progress report on the 2dF QSO Redshift Survey as was presented at the Second Coral Seas Cosmology Meeting on Dunk Island, September 1999. Three talks about the survey were presented at the conference. The others were.... QSO Clustering and Large-Scale Structure , Scott Croom et al . QSO Evolution and the Luminosity Function , B.J. Boyle et al . | << - Meeting Proceedings | Talk Overview - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

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• 2dF QSO Redshift Survey (Contact addresses)

... ОБ ОТДЕЛЕ . ... Cеминар теоретического отдела АКЦ ФИАН . ... Новости со школы 'Струны и дуальность' . ... Председатель д.ф.-м.н. В.Н.Лукаш. Секретарь к.ф.-м.н. Е.В.Михеева ( helen@lukash.asc.rssi.ru ), . ... Пропуска заказывать у секретаря АКЦ Страут Людмилы Георгиевны по телефону 333-25-12 до 12 часов предыдущего дня, для прохода в ИКИ при себе иметь паспорт. Новости . ...

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Добро пожаловать, Гость . ... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? Теория сжатия Вселенной . ... 0 Пользователей и 1 Гость просматривают эту тему. Гость . Ответ #340 : 21.01.2005 [12:18:10] ? ... Записан . ... Ответ #341 : 22.08.2005 [16:41:02] ? ... Министерство образования и науки Российской Федерации . ... Ущеко В. П. 'Теория сжатия Вселенной' . ... International conference on gravitation, cosmology and astrophysics Moscow March 2-6, 2006 . ... Moscow), O.Sh. ...

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• Девятый вал - Научная панорама
• Conference on Cosmic rays in MSU - Новости астрономии и космонавтики

Moscow Astronomical Plate Archives: . Contents, Digitization, Current and Possible Applications . ... We describe the astronomical plate archives in Moscow and Zvenigorod and the existing digitization projects. ... 2 The Plate Archive of the Sternberg Institute . The contents of the most important Moscow astronomical plate archive, that of the Sternberg Astronomical Institute, was briefly presented in Shugarov et al. [1] in 1999. ... THE MOSCOW PLATE COLLECTION (STERNBERG INSTITUTE) . ...

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SAI VO . ... SAI CAS . ... Access . ... We present the results of the development of Sternberg Astronomical Institute Catalog Access Services (SAI CAS) project - the first and the only project in Russia, which provides online access to the major astronomical catalogues and different services on top of them. ... SAI CAS is an open-source implementation of the general Catalogue access service (influenced by SDSS CAS CASjobs project), based on original algorithms and open-source software. ... SAI MSU | ...

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• astro-ph
• SAI Virtual Observatory Project - About

May 2013 Update on APO Imager Proposal J. Huehnerhoff, W. Ketzeback (APO) In March 2013, a proposal for an imager on the APO 3.5m telescope was presented to the users committee. ... From this feedback it was determined that the most important properties of this imager should include good throughput, good spatial resolution, fast readout, and capability to use narrow band filters (both existing and new). ... The CCD allows many binning modes but 2x2 or 3x3 is expected to be used in normal operation. ...

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• APO Home Page
• Untitled Document
• Offsetting a Telescope

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

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• News of Cosmonautics - August, 2002 | Russian Space News | CosmoWorld.ru
• News of Cosmonautics - September, 2002 | Russian Space News | CosmoWorld.ru
• News of Cosmonautics - May, 2002 | Russian Space News | CosmoWorld.ru

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

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