... If a triangle has sides of length ( a,b,c ), with sides ( a,b ) enclosing an angle of 90 degrees ("right angle"), then . ... A diagonal cut divides it into two right-angled triangles with short sides a and b , and the area of such a triangle is therefore (1/2) ab . Now look at the square on the left constructed out of four ( a,b,c ) triangles. ... As the drawing on the right shows, that area can be divided into 4 triangles like the ones before, plus a small square of side ( a-b ). ...

... Interstellar Molecular Clouds . E. Samuel Palmer - Harvard Smithsonian Center for Astrophysics . ... This telescope can see and interpret interstellar CO, a molecular mass tracer for what it can’t see, that is, molecular hydrogen which constitutes most of the mass in giant molecular clouds. ... Covering all the bases, he is also a fellow amateur astronomer, observing the handful of stars occasionally visible from his home in Arlington. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Latest Supernovae . ... Sorted by Name For the years covered, 7501 supernovae and 114 extragalactic novae were reported. 378 of these supernovae were named by CBAT, 1714 were given possible supernova designations, and 5409 were not reported to CBAT. 220 supernovae were found in NGC/IC galaxies, 875 were found in named galaxies 343 objects were discovered by amateurs 4 were brighter than 13th Magnitude 208 were brighter than 16th Magnitude 1080 were brighter than 18th Magnitude 1349 ...

A Simple Way to Estimate the Soft X-ray Class of Far-Side . Solar Flares Observed with STEREO/EUVI . ... Figure 1. The STEREO/EUVI 195 °A B-streaks typical of C-, M-, and X-class flares. Table 1: A list of flares registered both with GOES and STEREO/EUVI . ... Impulsive GOES M-class flares and their thin, single, long B-streaks. ... STEREO/EUVI B-streak and the peak of the SXR flux measured by GOES. ... A list of major far-side flares detected from B-streaks in STEREO/EUVI 195 °A images. ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... В 2007 году перигелий пройдут (и уже прошли) 16 уже открытых (или переоткрытых) комет, которые в максимальном блеске превысят 15 величину. ... Название и обозначение кометы . ... 2 января . P/2006 HR30 (Siding Spring) . ... C/2006 P1 (McNaught) . ... 185P/Petriew . ... 13 марта . ... C/2007 E2 (Lovejoy) . ... 4 апреля . ... C/2007 WD4 (Lemmon) . ... C/2007 E1 (Garradd) . ... C/2006 VZ13 (LINEAR) . ... 26 ноября . C/2006 V1 (Catalina) . ... C/2006 K4 (NEAT) . ... 6 декабря . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil 2000 ast†йro†пdesтАж et 2 com†иtes pour Claudine Rinner ! ... De l†а, sous le ciel des Alpes-de-Haute-Provence, Claudine Rinner avait rep†йr†й 1760 ast†йro†пdes... mais aucune com†иte. ... Йph†йm†иre com†иte...

... Home Lectures Lecture Series 2015-2016 . ... Lecture Series 2014-2015 . ... Beyond New York City . ... The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the public. ... Amateur Astronomer Association is pleased to announce we will be offering select, limited reserved seating for current AAA members for the Friday, January 8, 2015 AAA Lecture entitled Robert Nemiroff ?2015 Astronomy Picture of the Day?. ...

. To display a clear visual contrast between two text files use the command: sdiff file1 file2 . sdiff displays each line of the two files side by side, making it easier for you to see the difference between them. Lines that are different are shown with a | symbol. Lines unique to file1 are identified by a < symbol; lines unique to file2 with a > . A blank line indicates that the lines are identical. Example .

. Composition | Objectives | Capabilities and samples | Request for work | Back to main page . If you have any questions, please contact us: esceir@iszf.irk.ru , rp@iszf.irk.ru . http://esceir.iszf.irk.ru/isr/antenen.htm . Last modification: 25.06.02.

Astronomy Discussion Forums . Forums: . ... Harv Is An Anonymous Expert On All Things ...not . ... Post Message | ... Posted by M.W.Pearson on November 4, 2002 04:18:51 UTC . ... Harv, yesterday, you accused me of serious, longstanding ill intent on the other forum. ... Just for the record - harvey1 - November 5, 2002 - 14:57 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Objectives of the study . To survey and evaluate the technical and economical feasibility of European initiatives by start-up companies, for privately-funded crew vehicles for commercial human space flight. ... New commercial markets, among them space tourism, have a great potential to become major drivers in space technology development. This study aims at the assessment of the feasibility of European initiatives to address these new markets through the development of crewed space vehicles. ...

... In LABORATORY OF RADIO ASTROPHYSICS OF SPECIAL ASTROPHYSICAL OBSERVATORY OF RAS . ... History . ... Current problems of the group research interests: . study for cosmic microwave background, . study of radio galaxies (identification, evolution, statistical investigation of population), . investigation of the RATAN-600 antenna, . observations in the survey mode with RATAN-600 and their analysis, . creation of the software for data analysis. vo @ sao.ru ( Oleg Verkhodanov ) ...

... Project page . ... Project workpage . Turbulence in the Multiphase Interstellar Medium . Project I | ... Project highlight | ... Towards simulating turbulence with adaptive meshes . ... A. Kritsuk, P. Padoan, M. Norman . ... A. Kritsuk M. Norman . ... A. Kritsuk, M. Norman, P. Padoan . astro-ph/0411626 | ... P. Padoan, A. Kritsuk, M. Norman, A. Nordlund . ... Introducing Enzo, an AMR Cosmology Application . B. O'Shea, G. Bryan, J. Bordner, M. Norman, T. Abel, R. Harkness, A. Kritsuk . ...

... Исследование Солнечной Системы - Астероиды и Кометы . ... Кометы . ... О кометах . ... Комета С/2013 А1 Сайдинг-Спринг около Марса . 7 ноября 2014 г. NASA опубликовало отчет о результатах наблюдения уникального события - пролета вблизи Марса кометы С/2013 А1 Сайдинг-Спринг (как ее назвали в честь обсерватории-первооткрывательницы). ... Фотомонтаж из снимков, сделанных 'Хабблом' в день максимального сближения кометы и Марса. ... С поверхности за кометой могли следить роверы Opportunity и Curiosity. ...

... of the final phase of the Soyuz TMA-1 mission and at Chkalovsly airfield during the meeting of the crew of ISS-6 were: for the Russian side - Director General of Rosaviakosmos Yu.N.Koptev, the Technical Manager of the Russian manned programs, Designer General of S.P.Korolev RSC Energia , a member of the Russian Academy of Sciences Yu.P.Semenov, members of the State Commission (Co-chairmen: state secretary, first deputy general ...

... 14 июня 2000 . ... Ломтик Вселенной от 2dF . Благодарности: Matthew Colless ( ANU ) et al. , 2dF Galaxy Redshift Survey . Пояснение: Что можно увидеть, глядя сразу на 100000 галактик? ... Благодаря их работе теперь можно увидеть распределение галактик во Вселенной на расстояниях до 4 миллиардов световых лет. На приведенной выше 2dF-карте видны огромные кластеры , длинные нити и гигантские пустоты с характерными размерами более 100 миллионов световых лет . ...

Prague, August 16, 2006 . ... We can decide to merge the GCVS with automatic surveys now. I have already outlined the difficulties and will give some examples illustrating the problems slightly later. Steve Kawaler's suggestion: 'The GCVS personnel might play a role as a `meta-catalog' - a central `index' of survey-based catalogs of variable stars'. ... If we want to have a good meta-catalog, the difficulties I have mentioned in relation to merging the catalogues still should be considered. ...

Welcome to the AAAP Simpson Observatory 2016 season information page. The Simpson Observatory is located in Washington Crossing State Park, [on the NJ side] several miles south of Pennington, NJ. The observatory is a slide-roof design, allowing for optimal viewing of the sky in any direction. http://www.princetonastronomy.org/directions.html . ... THE OBSERVATORY WILL BE OPEN TO THE PUBLIC . ... Enter Washington Crossing State Park (NJ side) off of Bear Tavern Road . ...

... Average resolution at altitude H=668 km . ... Swath width at H=668 km and inclination of beginning of swath 20.48 degrees . ... Resolution at H=668 км . ... Наименование параметра . ... 1 канале . ... Полоса обзора при H=668 км . ... 1-5 спектральной зоне, не более . ... 1 спектральной зоне . 0,48-0,52 мкм . ... 0,915-0,997 мкм . ... 1-4 канал . ... 1-4 каналов . ... Спектральные характеристики каналов (по уровню 0,5): . ... For more information send a mail to: info@sputnik.infospace.ru . ...