Subject of Celestial Mechanics. ... Differential Absolute Coordinates Equations of the Problem. ... General Integral of Non-Perturbed Motion. ... General Equation of Non-Perturbed Orbit. ... Other Integration Methods of Non-Perturbed Motion Differential Equations; Bine Equation for Case of Non-Perturbed Motion. ... Ellipsical Motion, Kepler Equation. ... Motion Differential Equations in Absolute Coordinates. ... Equation of System of Bodies Motion in Barycentric Coordinates, in Relative Coordinates. ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

... Uncovering the Chemistry of Earth-like Planets . ... An Earth-like planet, born from the same nebula as its host star, is composed primarily of silicate rocks and an iron-nickel metal core, and depleted in volatile content in a systematic manner. The more volatile (easier to vaporize or dissociate into gas form) an element is in an Earth-like planet, the more depleted the element is compared to its host star. ... Apr . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... What is information about an asteroid doing on a supernova web page? ... It was given the designation "1999 RH241" by the Minor Planet Center , and eventually the number "70401" when it was discovered to be a new object. In 2008 another friend of these web pages Doug Rich wrote an article about me and my adventure with this page. ... Alessandro Dimai (an amateur astronomer in Spain who has sent several images to my supernova page) found an asteroid on a DSS plate from 1950 (1950 04 22 675). ...

Добро пожаловать, Гость . ... Общероссийская неделя "Астрономия на тротуаре" - 15-17 апреля . ... Новости астрономии и космонавтики (Модераторы: Karen , recarrion , LeMay ) ? orbit@home . ... Открывается новый проект распределенных вычислений orbit@home . ... Записан . ... а не попадалась ли вам информация о проектах распределенных вычислений, которые платят участникам за аренду вычислительных мощностей? ... Поиск по форуму нашел родственные темы: Еще одна orbit@home и Распределенные вычисления . ...

To get an overview of section 1 (one) of the manual: man 1 intro . ... This displays a one line synopsis of each command that has this keyword in its description. To search the online manual for a command with the phrase "copy files": man -k 'copy files' . ... To check what a command does: whatis more more, page (1) - browse or page through a text file . ... To display the manual page for the cp (copy files) command: man cp . ... To print the manual page for the man command: man -t man . ...

General Information . ... We'd like to announce the forthcoming IAU Conference: . ... A conference organized by Sternberg Astronomical institute (Moscow, Russia) and Working group "Site-testing Instruments" of the International Astronomical Union on various aspects of site-testing techniques, approaches and results. RUSSIA, Kislovodsk (Caucasus Mineral Waters region), 4-9 October 2010. ... Victor Kornilov, Sternberg Astronomical Institute . ... 3-4 October: Registration and accommodation . ...

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . ... Cosmonauts. ... Space Science . ... History . ... Agencies. ... James Webb Space Telescope . ...

... About meteorites . ... Meteorite Dronino . ... New iron meteorite shower found! Meteorite Encyclopedia . ... About laboratory . ... Dronino iron meteorite . ... Mr. Gus'kov felt that further efforts by Milanovsky were likely to be unsuccessful, so he searched further and found our Meteorites Laboratory. The Laboratory's analysis showed that the Dronino Iron has a meteorite origin. ... Dronino is the 111th meteorite and only the third iron-meteorite shower found in Russia in the last 250 years. ...

... The Elephanta island looks like an elephant that lies in the Ocean. ... We arrive at the island. ... There are monkeys on the island. ... This girl was officially recognized as the most beautiful girl on the island. ... But there are wild cows on the island. ... There was a big armed British garrison on the island. ... A Hindu rajah lived on the island before the Portuguese. ... The tickets that we have bought in Mumbai are valid to return. ... And here are Gateway of India. We arrive in Mumbai. ...

... Украшение для стен и предметов интерьера Decoretto "Герберы в горшках" - это удивительно простой и быстрый способ оживить интерьер помещения. ... Decoretto".. Подгузники Active Вaby Джайнт 3 midi 4-9 кг, 96 шт. Памперс Pampers - огромная упаковка незаменимого аксессуара для младенцев. Подгузники Active Вaby позволят активным малышам ползать, спать и играть в сухости и комфорте. ...

... Our computer services are free. One of our main computer priorities is providing e-mail access. ... Moscow high schools, math teachers, IUM students, and mathematicians can request UUCP accounts from us, for sending and receiving email from home. ... To get a UUCP account, one should arrive to MCCME in person and contact system administrator assistants ( room 306 , phone 2410500). Users who visit MCCME often can use e-mail in our computer room . ... Sergey Dubov, <dubov (at) mccme.ru>. ...

. Sign In Sign-Up . Welcome! . Close . Would you like to make this site your homepage? It's fast and easy... Yes, Please make this my home page! . No Thanks . Don't show this to me again. Close .

... Hidden Hollow 2008 . ... Contests . ... ASTRONOMY BOWL at Hidden Hollow . ... To make matters easier on the organizers of Hidden Hollow, we ask that your team be registered by April 18, 2008. ... Because astrophotography is such a challenging field, we'll be sure to break the contests into categories, such as lunar, planetary, deep sky and youth. ... Why not offer a contest for the best of the best? ... Let's get a contest going for the astronomy group who brings the most members as well! ...

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

Free Space Optical Communication Systems . ... Airplane - geostationary satellite laser communication. ... Air ( space) optical communication systems ( AO ) . ... The Optical ground station was constructed at Teide observatory, Tenerife, Canary Islands for laser communication experiments from ground to geostationary (GEO) satellites. ... Laser communication experiments between ARTEMIS satellite and optical ground station (OGS) ESA at Canary Islands are performing also. ... CW laser test experiments . ...

... Under conditions of the Earth gravitation we are using the method of semi-natural simulation of linear accelerations in the centrifuges with a mobile cab for simulation of G-loads, originating in a space flight. ... The major factor of the orbital flight, affecting a cosmonaut, is a weightlessness state, which causes essential changes in cardiovascular and vestibular systems operation. ... Under the Earth conditions you can "execute" a short-term space flight according to the following cyclogram: . ...

European Astronomical Society(EAS): NEWS Dear Colleagues, Please find enclosed some information of interest. ... We would also like to remind you that the time is appropriate to renew your membership for 2006 (see our Web page for procedures). ... And do'nt forget that, in between messages, the latest news can always be found on our Web page: http://www.iap.fr/eas/index.html With kind regards, Michel Dennefeld ************************************************************ Content 1. ...

The Amateur Astronomers Association of Princeton invites its members to learn astro imaging! ... Well, here's your chance to kindle the motivation with like-minded AAAP members. ... Or you just want to learn more about astrophotography but you didn’t know where to turn. ... AAAP member and astrophotographer Brian Van Liew is preparing to host a AAAP SIG ( Special Interest Group ) covering digital astrophotography. ... Types of imaging equipment . ... All images on this page created by Brian Van Liew. ...

... In the median ; function of IDL, the higher of the two values is returned. ... Felix Stoehr, [ST-ECF] xxx = xx(sort(xx)) n = n_elements(xxx) if ((n mod 2) eq 0) then begin return , 0.5 * (max([0,xxx(n/2-1)])+xxx(n/2)) endif else begin return , xxx((n-1)/2) endelse end ;----------------------------------------------------------------------------------------- ; ;***************************************************************************************** function DER_SNR , ...