... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

Optical Observatories . ... National Optical Astronomy Observatories . ... Adam Mickiewicz University - Astronomical Observatory . ... Astronomical Institute and National Observatory of Athens . ... Jagiellonian University Astronomical Observatory - Scientific research here comprises radio and extragalactic astronomy, solar radio emission, active galactic nuclei, interstellar matter, galaxies, cosmology, variable stars and comets. ... National Radio Astronomy Observatory Home Page . ...

. 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.

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

... Operating at a wavelength of 10 ?m, it produces a 135њx135њ image with a resolution of 0.9њ. ... The clouds move from the west-southwest. ... At the same time as the IR images, visible light images were taken with an Apple Computer QuickTake electronic camera. ... At 1540 MDT, the large central cloud is visible in both images. At 1544 MDT, a distinctive cloud is apparent near the center in the visible image and right of center in the IR. The performance of the SDSS cloud scanner is excellent. ...

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии . Supernovae: and How to Observe Them (Astronomers' Observing Guides) . ... Поиск . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. Околополюсные созвездия (поиск и описание) .. Весенние созвездия (поиск и описание).. Зимние созвездия (поиск и описание) .. ...

... Viewing the Universe with Infrared Eyes: The Spitzer Space Telescope . Dr Giovanni Fazio . ... He then lead the development of large balloon-borne telescopes for far-infrared astronomical observations above the atmosphere, as Principal Investigator for the 1-Meter Balloon-Borne Far-Infrared Telescope and also the first infrared astronomical telescope to fly on the Spacelab II flight of the Space Shuttle. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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. Telescope Making . Web Ring . Next | Previous | Random | List Sites . Next 5 | Previous 5 | Join . Page up-dated 08/31/2003

Hubble Family Homes . ... New Albany . ... New Albany High School . ... During the summer Edwin translated Spanish documents for an import company, and that fall he was hired to teach Spanish, physics, and mathematics, and to coach basketball, at New Albany High School. ... Gale E. Christianson has written an authoritative biography -- Edwin Hubble, Mariner of the Nebulae (Farrar, Straus, and Giroux, New York, 1995) -- that documents Hubble's career and describes the year he spent in Louisville. ...

... Space flight . ... Space Hotel . ... The program of deployment of small orbital station (SOS) consisting of a family of spacecrafts and module-spacecrafts represents a consecutive realization of flight scenarios with consecutive building up of functions. ... Scenario 1 - the regular and revised spacecrafts of class "Soyuz" - TMSC and MNMSC (MNMSC-cargo, MNMSC-MR) are used, pls. see fig fig.8 . ... The terms of transition to this scenario are determined by terms of readiness of one or another module....

. Comment on J2209-2331 . Not detected: the source is probably extended, and was also not detected at 2.3 GHz by Preston et al. (1985). VLBApls home page . Last modified: 16 Oct 2000

... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? Вопрос про двойные астероиды. предыдущая тема следующая тема . ... Ответ #60 : 26.10.2006 [16:34:57] ? ... Цитата: newfiz от 26.10.2006 [13:35:27] Дмитрий Вибе, Вы лично проделали это все и можете поручиться, что дяди не мухлюют? ... Цитата: newfiz от 26.10.2006 [16:34:57] Мне представляется, что это иллюзия. ... Цитата: Alexey_Smirnov от 26.10.2006 [17:05:01] . ... Вопрос про двойные астероиды. ...

Download Izmccd (~2.7 MB). The program Izmccd is intended for precision astrometric processing of a CCD frames. This program allows to determine an equatorial coordinates of minor planets, comets, satellites of major planets, visually double stars and other objects. Also you have an opportunity of identification of known minor planets and a detection of moving objects. ... Using of program. ... Solution of problems at identification of star field. Designation of objects on image. ...

... Astronomy in Ukraine Past, Present, and Future (MAO-2014) . ... Erik Hog (Niels Bohr Institute, Copenhagen, Denmark) Absolute astrometry in the next 50 years Abstract . ... In brief, the two Gaia-like missions would provide an astrometric foundation for all branches of astronomy from the solar system and stellar systems to compact galaxies, quasars and dark matter (DM) by data which cannot be surpassed the next 50 years. ... Is there any future for the ground based astrometry technique now? ...

... 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. ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... This new concept of cosmogony is based on two given conditions: unity of reason and unity in the nature of physical processes which determine the development of the galaxy and all of its affiliated elements: stars, solar systems, and satellites about the planets. ... That is why uniform physical laws determine the general development of the above structures. in detail . ...