... In less then one day "Mir" station will finish its flight. ... Besides, the operability of motion control systems will be tested to ensure further dynamic operation at the final stage of "Mir" complex. ... The final third burn is given in daily orbit 2 using the "ProgressM1-5" 8 control engines and its main engine with the trust of 300 rg/s. Thus, to peform deorbit maneuver the OC"MIr" real-time tested manuevers involving control engines and their combination with the main engine are used. ...

... Home Articles Why is the Moon so high (or so Low)? ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Why is the Moon so high (or so Low)? ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... I would several points which we faced during our everysolved for better quality of individual ACs' and EOP products · There are two main EOP products provided by two IERS Product Centers on Earth Orientation (Earth Orientation Center (EOC) and Rapid Service/ Prediction Center (RSPC)). ... However, the latter is not provided by the IERS. ... ITRF · Using ITRF in computation of EOP series produced by various ACs seems to be a necessary condition to provide the consistency between the IERS products. ...

... Earth Satellites . ... By admin July 1, 2014 Posted in: Earth Satellites . A satellite can be defined as an artificial body which has been placed in orbit around the Earth or another planet in order to collect information or for communication purposes.€а It can also be described as a celestial body orbiting the Earth or another planet, for example our ownMoon.€а I will be looking at artificial satellites opposed to natural satellites. ... A replica of the first satellite sent to space . ...

A year is a time interval approximately equal to the period of the Earth's rotation around the Sun. ... 2) a tropical year is a time interval between the Sun's two centre successive passing through the medium point of the vernal equinox (365,2422 days); . 3) anomalistic year is a time interval between the Sun's two centre successive passing through the perihelion of its visible heliocentric orbit (365,2596 days); . ... 6) lunar year includes 12 lunar synodic months (about 354, 367 days); . ...

Lunar Base Development Issues, Technology Requirements, and Research Needs Peter Eckart[1] Abstract The development, design, and construction of a lunar base will be an extremely complex technical task. ... Eckart, 1999] Lunar Extra-vehicular Activities (EVAs) & Surface Transportation Systems The definition and development of space suits, portable life support systems (PLSS), and surface transportation systems can draw extensively from experiences gained during the Apollo missions. ...

... Spacecraft that will search for planetary systems around 40 million stars and observe the largest explosions in the universe have been chosen as the next two missions in NASA's medium-class Explorer (MIDEX) program. ... The first mission, to be launched in 2003, is the Swift Gamma Ray Burst Explorer, a three-telescope space observatory for studying gamma ray bursts. ... During its three-year mission, Swift will also survey the sky for new black holes and other sources of cosmic gamma rays. ...

... 2 Measurement of PMTs counting characteristics and selection of op erating p oint To select the operating point of the PMT, that is the optimal values of the high voltage supply and pulse discrimination threshold, the command run counting=hv value is provided in the program mass. ... Starting with the minimum voltage (say 550 V) run command run counting=550 for the measurement execution. ... It is recommended to take measurements for the set of values of 0.4, 0.6, 0.8, 1.0. ...

... System of Works on Numerical Modeling of the Dynamics of the Structure of the Space Radiotelescope in the RadioAstron Project M. Yu. ... In particu lar, it is impossible to perform experimental modeling of a factor such as the operation of an antenna orientation pointing mechanism of a radio complex and its effect on the distortion of the SRT reflecting surface. ... Figure 7 presents the results of modeling the deviations of the platform of sensors while pointing the antenna of the radio complex. ...

... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

Cairo, Egypt . Cairo is the capital of Egypt and the largest city in the Middle East. Although Cairo itself is only about 1,000 years old, parts of the metropolis date back to the time of the Pharaohs. ... In the 19th century, one of the city's rulers, Khedive Ismail (1863-1879), sought to transform Cairo into a European- style city. ... Although a housing crisis has been broadcast by the international news media, it is estimated that Cairo may have a surplus of some 1 million housing units. ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

... Киевский клуб любителей астрономии "Астрополис" > . ... Оборудование (Модераторы: LifeIsGood , Hornet ) > . Point Grey USB 3. Как вам новость? ... Новости . ... Бердянское общество любителей астрономии "ОРИОН" . ... Одесское общество любителей астрономии ?АСТРОДЕС? Портал белорусских любителей астрономии - BelAstro.Net . ... Благодарностей: 0 . ... 21 Сентябрь 2009, 11:57:58 ? ... Point_Grey_USB3.jpg (16.07 КБ, 278x395 - просмотрено 155 раз.) ... Ответ #1 : 21 Сентябрь 2009, 12:00:52 ? ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

Life Story of a Star Tour // //(c) 1999 Meade Instruments ////////////////////////////////////// TITLE "A Star's Life" AUTO SELECT TEXT "Introduction" "Stars, like everything else in the" "universe are born, live out their lives and die. ... Press MODE to view a ""stellar nursery""." AUTO SLEW ON PICK ONE AUTO SELECT USER 05:38:42 -69d06m "The Nursery" "The Tarantula" "Nebula is an example of a stellar nursery. Press MODE to continue" "the tour." ... Press MODE to view a middle aged star." ...

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...

... 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; . ...

Disastrous earthquakes happen 100 to 200 times a year. ... There is a chance that the data of ionospheric plasma observations hold an answer to the latter question. Satellites and ground-based facilities may detect earthquake precursors in the ionosphere a few hours or days before the main shock. ... ULF "Hz"-oscillations have been recorded several hours before the main shock in a narrow magnetic field tube (40...100 km along the satellite trajectory) conjugated with epicenter of the earthquake. ...

Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков . Искатель Star pointer . ... Поиск . Сообщения за день . ... Серега2000 . ... Отправить личное сообщение для Серега2000 . Найти еще сообщения от Серега2000 . ... Сообщение от Серега2000 . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. ... Зимние созвездия (поиск и описание) .. ...