... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

... Search . Email & phone search . ... Astrophysics Group . ... Galaxy Formation and Evolution . PhD Thesis Projects . ... Main Projects . ... 2013, Astrophysics Group, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE . ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

Main Publications Seminars Current measurements Personnel . ... RATAN-600 data for the BL Lacertae objects (multi-frequency catalogue, Version 1.0) . ... During many years the RATAN-600 radio telescope is used for the intensive studies of the active galactic nuclei (AGNs) at frequencies from 1 to 30 GHz. ... RATAN-600 multi-frequency measurements of flaring activity of BL Lacertae, ATel #5002 . RATAN-600 multi-frequency measurements of the gamma-ray blazar BL Lacertae , ATel #4600 . ...

... Postscript (34K) | Zipped postscript (13K) ] . ... Курс является вводным в теорию групп и алгебр Ли и рассчитан на студентов, начиная со второго курса. ... Четыре определения алгебры Ли данной группы Ли. ... Описание связных групп Ли с данной алгеброй Ли. ... Основные классы групп и алгебр Ли: разрешимые, нильпотентные, простые, полупростые. ... Структурная теория полупростых алгебр Ли: картановская подалгебра, форма Картана-Киллинга, система корней, группа Вейля, матрица Картана, схема Дынкина. ...

... As part of International Year of Astronomy 2009, the Irish Astronomical Association is pleased to announce a major public competition, with substantial prizes, for all ages, and in various categories, so that anyone can enter. ... Entries can be made in any one, or more than one, of the following subject areas and categories: . ... Senior: 16 years of age and above. ... Eligibility: this competition is open to anyone resident in the island of Ireland during the period 1 January to 31 October 2009. ...

Observational data on solar activity is a basement for investigation of processes that take place on the Sun and interplanetary space, with data of long-term observations being of special importance. ... Subsection "Sunspot groups" is the catalogue of all sunspot groups that were observed in the given year. ... For every day of observation of the group the area of the group, the area of the largest spot (both areas - in millionths of solar hemisphere) and number of spots in the group are presented. ...

... HST . ... Missions . ... Data . ... Hubble Heritage Project . Future Missions and . ... Missions Office . ... Journal Clubs and Research Groups . ... HST Peer Review Process . Hubble Fellowships . ... HST Overview . Overview . ... Servicing Missions . ... Cycle 24 Announcement . Cycle 23 Results . ... Mid Cycle Submission . ... Phase II Cycle 23 . ... Retrieving HST Data . Hubble Legacy Archive . Data Analysis . ... HST Science Year in Review . ...

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 ...

The 11 th Asian-Pacific Astronomy Olympiad (November 2015) : . ... Only students did not participated at the IAO-2015 may participate in the APAO-2015 (that is a student may participate in the 20 th IAO or in the 11 th APAO but not in both of these Olympiads). ... National representation quota at APAO-2015 is (up to) 8 students and 2 team leaders (the same number is at the Asian Physics Olympiad): not more than 4 participants for the group Alpha, not more than 4 participants for the group Beta. ...

... Large Sunspot Group AR 9393 . ... Credit: MDI , SOHO , ESA , NASA Explanation: The largest sunspot group of the past ten years crossed the surface of the Sun late last month and early this month. The group was designated Active Region 9393 as it was the 9393rd region identified since counting officially began in 1973. ... Just after the end of the movie, on April 2, AR 9393 unleashed the largest solar flare of the last 25 years . ... Publications with keywords: solar maximum - sunspot . ...

... Recent Topics . ... MAO main . ... ilrs-sta] New Space Debris Study Group / SDSG . ... Тема: [ilrs-sta] New Space Debris Study Group / SDSG . ... Space Debris Study Group (SDSG). We are inviting now all interested colleagues, SLR stations etc. to participate in this study group. ... Please send me a short mail if you want to participate in this SDSG / Space Debris Study Group ! ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ...

This home page belongs to small group of scientists working at . Sternberg Astronomical Institute which is a part of Moscow State University . ... Электронная библиотека научно-технической и художественной литературы (доступна только из ГАИШ) . ... Local staff . Dr. Edward Kononovich (konon -at- sai.msu.ru), Associate Professor . ... Dr. Sergey Ayukov (asv -at- sai.msu.ru), Research Fellow, Webmaster of the group . ... Joint seminar of Solar Studies Structure Group and Solar Photometry Group . ...

... Neutral hydrogen observations of the spiral galaxies NGC 6221 and NGC 6215 with the Australia Telescope Compact Array (ATCA) reveal a wide, two-stranded bridge of at least 3 x 10^8 Msun which can be traced between the two galaxies over a projected distance of 100 kpc. ... The color figure below shows the HI emission (blue) in the bridge velocity range overlaid onto an optical image. ... A tidal HI bridge is visible between NGC 6221 and its brightest neighbour, NGC 6215 (v_sys = 1555 km/s). ...

. Comments on some possible models of TMC-1 . T.W. Hartquist, D.A. Williams, P. Caselli . 1996, Astrophys. and Space Science, 238, 303 . A comment on "Chemical evolution in circumstellar structure of B5 IRS1" . D.A. Williams, T.W. Hartquist, P. Caselli . 1996, MNRAS, 282, 900 . Click to examine publications from other years . 1998 . 1997 . 1996 . 1995 . Star Formation Group . Radioastronomy Group . Infrared Group . Arcetri Home Page .

... In spring 1998, we finished our postgrad studing, ".. summer's almost gone" . ... Researcher at ASC. ... Researcher at SAI. ... PhD Dec 1998; Researcher at SAI, postdoc in US. E-mail: atim#sai.msu.ru . ... E-mail: gorshkov#sai.msu.ru . ... E-mail: andrew#sai.msu.ru . ... Phd Oct 1999; Assistant professor at Chicago. ... PhD Feb 1998; E-mail: polar#sai.msu.ru . ... E-mail: sunny#sai.msu.ru Researcher at SAI. ... People of our Great Group (Gr-Gr hereafter), e-mail me, what do you think about it. ...

... Get summary info for the files (can take a while!) nsum = masfilesum('',sumI,fnmI=fnmiar) print ,'Retrieved header information for ',nsum,' files.' if (nsum NE nfiles) then print ,'WARNING: number of file headers does not match number of files!' sumfound = sumI cont = 1 if (dosrc AND cont) then begin print ,'Matching srcname = ',srcname filefind = where(strmatch( sumfound .h.object,srcname,/fold_case)) ; sumfound .h.object EQ srcname) if ( ...

... Thus something which has a 5% rate of growth, doubles every 70/5 = 14 years. ... The rate of increase of CO 2 in our atmosphere is about 0.5% per year over the last 100 years. ... Your task is to take the following set of input parameters and assumptions and make a model prediction about what the effects of global warming will be in 100 and in 200 years (i.e. in the year 2100 and the year 2200). ... The combined biomass on the planet currently can process 15 ppm of CO 2 per year. ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...

JSC Turns 40 Home | ... Gallery . Johnson Space Center at 40 Years Imagery . ... S70-35014 --- A group of flight controllers gather around the console of Glynn S. Lunney, Shift 4 Flight Director for Apollo 13, in the Mission Operations Control Room of the Mission Control Center in Building 30. ... Curator: JSC Web Team | Responsible NASA Official: Amiko Kauderer | Updated 7/16/2010 . ...