... 23 Algorithm fo r evalua tion of two burn maneuv ers using linearity Input information: ( t t E1 , rEI , v t1L , t E2 2L ( ) EI )T )T ­ ­ ­ ­ the time and the state vector of initial orbit for this time ; interval of possible thrusts for transition from initial orbit to the transfer on e; the time and the state vector of the target orbit for this time ; ... We cal culate the state vector for the initial orbit for the time t1a and the target one ­ for the time t2 a . ...

Astrology . Skepticism . ... Skeptics Newsgroup . ... Russian . ... Are you sure all these things even exist ? ... We need proof and evidence. ... Well, articles on this website are not proofs that paranormal and supernatural phenomena don't exist: their aim is simply to encourage skepticism. ... So welcome to the Russian Skeptics Club . ... But some articles are already translated into English. ... Right now there is one article about Skepticism and two articles about Astrology. ...

The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

... It is no great art to say something briefly when, like Tacitus, one has something to say; when one has nothing to say, however, and none the less writes a whole book and makes truth into a liar -- that I call an achievement. Georg Christoph Lichtenberg / . ... There are people who possess not so much genius as a certain talent for perceiving the desires of the century, or even of the decade, before it has done so itself. ... Георг Кристоф Лихтенберг , Выдающийся немецкий ученый и публицист . ...

... Войти на сайт: Имя: . ... Автор забыл указать имя ] . ... астрономия . ... Закон гласит, что длина волны, на которую приходится максимальная интенсивность электромагнитного излучения, испускаемого нагретым телом, обратно пропорциональна его температуре. ... Стратосферная обсерватория Sophia приступает к исследованиям. ... Это позволяет избежать поглощения излучения в ряде участков электромагнитного излучения ? ... Телескоп Sophia сможет проводить наблюдения в любом районе планеты на высотах 12 ? ...

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Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

... 30 - Наблюдения АСЗ 1993MF . ... Лютый В.М., Метлов В.Г.,Нестеров Н.С., Вольвач А.Е., Черных Н.C., Румянцев В.В., Журавлева Л.В., Черных Л.И. Оптические и радиоастрономические наблюдения результатов столкновения кометы Шумейкер- Леви 9 с Юпитером. ... Черных Н.С., Румянцев В.В., Черных Л.И., Журавлева Л.В. Визуальные наблюдения следов падения кометы Шумейкеров-Леви 9 . ... V.V. Rumyantsev . ... Черных Л.И., Черных Н.С., Румянцев В.В. Позиционные наблюдения кометы Хейла-Боппа в КрАО. ... В. Румянцев....

Главная Проекты Mars Exploration Rover . ... With far greater mobility than the 1997 Mars Pathfinder rover, these robotic explorers will be able to trek up to 100 meters (about 110 yards) across the surface in a Martian day. ... The rovers will be identical to each other, but will land at different regions of Mars. ... Where Pathfinder had scientific instruments on both the lander and the small Sojourner rover, these larger rovers will carry all their instruments with them. ...