Milky Way X-ray background emission « »: , . ... RXTE , . ... Using near-infrared Galaxy intensity measured with COBE/DIRBE experiment and X-ray data from RXTE and INTEGRAL it was shown that X-ray brightness of the Galactic background emission closely follows its stellar density and can be explained by a cumulative emission of a large number of weak Galactic X-ray sources. ... Map of Galactic background emission in hard X-ray energy band obtained with INTEGRAL observatory. ... 2006, &, 452, 169 ., ...

... The storm began quite unexpectedly. The strongest geomagnetic storm for the last seven months began on Earth almost precisely at the same time as the solar eclipse reached its maximal stage, the culmination of which occurred at GMT 02:35 (06:35 Moscow time). ... Oscillations of such amplitude in the magnetic field have not been observed since October, 11th of last year, which is more than seven months ago. ... We can only add that the magnetic storm lasted approximately 9 hours. ...

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

Aristarch is Copernic of Classic World. ... First Aristarch determined the fact for how many times the Sun was father then the Moon and then he compared the Sun and the Moon with the Earth. ... Only the Moon rotates around the Earth. ... Gipparch suggested that the Sun turned around the Earth steady and in circumference but the Earth is displaced according its centre. ... The orbit point in which the Sun is nearer to the Earth Gipparch called perigee and the most remote one he called apogee . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Май 1998 . ... год: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 . ... Дата: 19 мая 1998 (1998-05-19) От: Alexander Bondugin Тема: SpaceViews Update - 1998 May 15 [1/7] Привет всем! ... Originally scheduled for launch in early 1998, the launch date has slipped first to the end of 1998 and now to March or April of 1999 as assembly of the module falls further behind schedule. ...

... S. G. Pugacheva and V. V. Shevchenko, Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., 119992 Moscow, Russia, pugach@sai.msu.ru . ... 13, Moscow, 119899 Russia . ... Brown University - Vernadsky Institute Microsymposium 42, October 10-12, 2005, Moscow, Russia . ... Sternberg State Astronomical Institute, Moscow University, Russia, pugach@sai.msu.ru . Brown University - Vernadsky Institute Microsymposium 38, October 27-29, 2003, Moscow, Russia . ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... Integration of Earth images received from the ISS for the purpose of education and improvement of studying programs in order to support national and state educational standards; enabling possibility to participate in space mission for students and teachers. ... 2015 JSC "S.P. Korolev RSC "Energia"...

THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON MAY 2013 HAS MADE W may= 78.7, THAT GIVES FOR 49 MONTH (2012, NOVEMBER) DEVELOPMENT CURRENT 24 CYC- LES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*oct.= ... Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 27.05 - 01.06.2013, Forecast on 02 - 10.06.2013, Carrington Rotations 2137 (15,02.05.2013) SUNSPOT-FORMING ACTIVITY OF THE SUN REMAINED ON THE AVERAGE LEVEL. ...

. You can check if a file has already been sorted with the -c option. For example: sort -c +2 -3 accounts . This checks to see if the file accounts has already been sorted on the third field of each line. You will only get a message if the file is not sorted according to this sequence.

.

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... LX600 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... MeadeтАЩs LX90 ACF is a favorite of astronomers making the jump to their first, serious, larger aperture telescope. ... Astronomer InsideтДв then takes you on a guided multimedia tour of the best objects in your sky. ...

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

NAUTICAL ASTRONOMICAL YEARBOOK for 2011 (in Russian) . Foreword . ... The EPM2004 domestic numerical theory of movement of the Sun, the Moon, and major planets is used in т??Nautical Astronomical Yearbookт?? In NAY the positions of stars are published in the system of stellar catalogues FK6 and HIPPARCOS. ... conditions of visibility of the planets, apparent places of stars, star charts, tables of Polaris ? ...

. Album : asv-album :: Travels to distant places and countries :: 1998/06 Nauchny, Katsively (Crimea, Ukraine) :: Кацивели . Up . << Prev . Famous (among astronomers) mountain called "Cat" . Next >> . Photo album generated by album from Marginal Hacks by Dave on Tue Jun 23 14:46:48 2015 .

Astronomers in the ESA Space Telescope Division at the Space Telescope Science Institute The European Space Agen cy (ESA) provides scien tif ic personnel to the Space Telescope Science Institu te (STScI) as part of its co llaboration with NASA on the Hubble Space Telescope (HST) Project. There are curren tly open ings for astronomer s funded by the ESA H ST Mission w ith in the Scientific Program D irectorate of ESA, through a contract with the STScI. ...

... Visual Observing of Variable Stars - an Addict's Story . ... In Glenn’s words…I’ve been an avid amateur astronomer since the summer of 1963 when a high school friend showed me Saturn through his telescope. ... I’ve been a member of both the Amateur Telescope makers of Boston (currently Vice President) and the American Association of Variable Star Observers (AAVSO) since 1980. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

This page is devoted to information on Supernova 1999gn in NGC 4303 (= M61 ) Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... SEDS has a Supernova 1999gn page . ... Seiichi Yoshida has a 1999gn page . ... Kopernik 's M61 and supernova 1999gn page . ... vsnet-alert 3835 ] SN 1999gn in NGC 4303 = Messier 61 . ...

. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

... Students Life . ... February 14, 2014 . ... According to the Webometrics Ranking of World Universities that comes out twice a year, V. N. Karazin Kharkiv National University holds the third position among over 300 Ukrainian higher educational institutions and the 1,705 th position among almost 22,000 universities of the world. ... Statement of the Academic Board of V. N. Karazin Kharkiv National University as to Situation in Ukraine . ... Copyright 2010 V.љN. Karazin Kharkiv National University. ...