IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

Охотники за потенциально опасными астероидами получили гранты на исследования . ... Получатели грантов Gene Shoemaker Near Earth Object Grants прошлых лет открыли много ранее неизвестных астероидов, в том числе астероид 2004 GA1, который является первым потенциально опасным астероидом размером более 1 км в поперечнике, открытый астрономом-любителем (им был Джон Броутон (John Broughton)). Кстати, получить грант имени Джина Шумейкера может и профессиональный астроном и астроном-любитель. ...

MINUTES of the RadioAstron Teleconference on December 13, 2011 Yu.Yu. ... IOC status update M. Popov informed the participants on the current IOC results. ... Kovalev added: we continue to observe pulsars and spectral line sources in radiointerferometer mode but only with spacecraft and we are also going to observing pulsars soon with space-ground baselines. ... Kovalev: It is fringe-fitting result. ... In RAFS05 we replace it with K-band observing (maser source Ori KL ­ spectral lines ~100000Jy). ...

Asteroid 2055 YU55 passes close by Earth; how close did it get? ... As Elizabeth Flock reported: An asteroid the size of an aircraft carrier missed Earth by only 200,000 miles as it flew by Tuesday night the closest an asteroid has been to Earth in 200 years Asteroid 2005 YU55, as it has been dubbed, streaked by at about 30,000 mph, but some scientists and lucky amateur astronomers caught a glimpse in their telescopes, where they saw strange structures on the asteroid\u2019s dark-colored surface. ...

... High-resolution Near-infrared Study of the Deeply Embedded Young Stellar Object S140 IRS 3 . ... P22P We explore the structures immediately surrounding the high-mass young stellar object S140 IRS 3 within the L1204 molecular cloud. ... The S-shaped structure of this feature can be well reproduced by a model assuming a precessing outflow from IRS 3a. Furthermore, we find several elongated features pointing away from IRS 3 in a southern direction. ...

... Astrophysics Group . ... Optical Interferometry . OIFITS: A Data Exchange Standard for Optical (Visible/IR) Interferometry . ... OIFITS is a standard for exchanging calibrated, time-averaged data from astronomical optical interferometers , based on the FITS Standard (OIFITS is a registered FITS convention ). ... The OIFITS standard is used in the biennial optical interferometry Imaging Beauty Contests: . ... A data exchange standard for optical (visible/IR) interferometry. ...

... NASA's Spitzer Images Out-of-This-World Galaxy . ... Earth Seen By NASA's Moon Mapper On India's Chandrayaan-1 Spacecraft . A new image of Earth taken from 200 kilometers (124 miles) above the lunar surface was taken by the Moon Mineralogy Mapper, one of two NASA instruments onboard the Indian Space Research Organization's Chandrayaan-1 spacecraft. ... ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ...

Pulkovo NEO Page . Central Astronomical Observatory at Pulkovo . of Russian Academy of Sciences, St.-Petersburg, Russia . Welcome to the NEO web page of the Central Astronomical Observatory at Pulkovo. Near-Earth objects are asteroids and comets that can approach the Earth's orbit . ... This web page contains information about various theoretical and observational aspects of the Pulkovo NEO activity. ...

... part 1 | ... The Basic Stages in Earth's Pre-geological Development . ... After fragments of the Vortex sleeves separated, whirlwinds of second and third orders ("NC" - new micro-vortex) were generated- future planet cores and their satellites - all of them developing independently, governed by the common laws of development of cosmogenic vortexes. ... Our planet's core today is comprised of considerably deteriorated cosmogenic vortex; consequently, the Earth has a moderated magnetic field. ...

Local Weather information(Mirror) . ... UofI - The Daily Planet . Real time weather . PLANET EARTH HOME PAGE . Weather Information . ... Current weather maps/movies . Weather movies . ... TIME Daily news . ... International press (Links of the editorial office 'Der Spiegel') . International press (Links of Gerben Vos) . ... White House Press Release . ...

... The ancient chronical said about the colour rings around the Sun and the Moon, about three suns in the sky, light columns, bright lightning, different "comets" rushing to the Earth, moving among the stars or round the Earth with the sky. All these occurrences may be divided into three categories: one that occur in the near or far space, processes going on in the Earth atmosphere under the influence of cosmic factors and at last the occurrences connected with the Earth atmosphere. ... Rainbow . ...

... 50--100 . ... 2000 . ... 70 ISSN 1027-3239. ... 2016. ... NASA Near Earth Objects Program, 540 . ... Near Earth Objects Program ', , ISSN 1027-3239. 2016, 3 100 [2]. ... 2 , 400 . ... 3) Near Earth Objects Program [2], 74 Britannica 70­100 . ... Report of the Task Force on Potentially Hazardous Near Earth Objects. ... Near Earth Objects Program. http://neo.jpl.nasa.gov/risk. ... It is shown that the asteroid hazard limits the period of existence of civilizations in the range 50--100 kyr. ...

... V.V. Busarev, Sternberg State Astronomical Institute, Moscow University, . ... V. V. Busarev1, M. N. Taran2, V. I. Fel’dman3 and V. S. Rusakov41 Lunar and Planetary Department, Sternberg State Astronomical Institute, Moscow State University, 119992 Moscow, Universitetskij pr., ... 1 Sternberg State Astronomical Institute, Moscow University, Universitetskij pr., ... V. V. BUSAREV, Sternberg State Astronomical Institute, Moscow University, Russian Federation (RF) (E-mail: busarev@sai.msu.ru); . ...

... Main page News People . ... Master . Master net Homepage . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . ... Latest news and news archive . ... Российская роботизированная сеть космического мониторинга МАСТЕР обнаружила опасный астероид типа Челябинского за орбитой Луны . ... лаборатории Космического мониторинга ГАИШ МГУ - первым обнаружил в списках робота МАСТЕР , расположенного у Байкала, новый двигающийся объект. ... Лаборатория космического мониторинга . ...

... This is DOOM!! ... Why you want this WAD : If you tried KILLME1, KILLME2, or KILLME3 you'll want this because the game play is better (UV is more difficult and easy is easier (except for E1 which was insanely easy at any skill level ), minor texture mistakes have been corrected, lines have been realigned with the grid, lighting has changed, dozens of new rooms have been added to most of the levels (there were some levels I thought didn't need many extra rooms, but every ...

... Базы данных . ... Новости астрономии . Изображения небесных тел . ... Астрономия в Интернете (общая база данных, поддерживаемая пятью институтами: CDS, MSSSO, NRAO, ST-ECF, STScI . ... Центр малых планет . MPC ( IAU Minor Planet Center) . Центр данных по естественным спутникам планет Института небесной механики (Бюро долгот) . ... Центр данных для инфракрасной астрономии . ... Планетные данные . ... Observatory Codes . ... Эфемериды Института небесной механики (Бюро долгот, Париж) . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Although their determination is based on the scattering process model, independent check-ups by rocket experiments have shown their correctness in experimental applications. ... Ionospheric data analysis, especially during strong disturbances, cannot be without some other kinds of diagnostic tools. ... The lack of data has always been a challange in this case. ...

... Astronomy search engine . ... PhysicsWeb Home Page . ... Sternberg Astronomical Institute . ... Astro Space Center Home Page . ... Landau Institute for Theoretical Physics . ... Astronomy and Space Physics Dept of Kiev University . ... NATIONAL RADIO ASTRONOMY OBSERVATORY Home Page . University of Hawaii - Institute for Astronomy . ... Space Telescope Science Institute Home Page . ... Sky & Telescope: The Essential Magazine of Astronomy . ... Springer LINK - Physics Online Library . ... Home . ...

... 03.32 AM - the first impulse is performed using the Progress M1-5 eight thrusters to construct the pre-descent orbit. ... maximal distance from earth surface - 219 km . minimal distance from earth surface - 188 km . ... 05.00.24 AM - the second impulse is performed using the Progress M1-5 eight thrusters to construct the pre- descent orbit. ... 08.08 AM - the final third breaking impulse is performed using a combination of the Progress M1-5 main engine and eight thrusters to deorbit Mir OC. ...

... Version 1.2 - 2002-10-14 (GV) ----------- + re-upload of 1.1 but with 1.x parameters. ... Version 1.1 - 2002-10-11 (UL) ----------- + doc fix Version 1.0 - 2002-10-08 (UL) ----------- + added description of ephemeris input table to movecalc doc + first official version ( iauephem not functional w/o ruby and rubylib package) Version 0.2 - 2001-07-04 (UL) ----------- + iauephem output table * added columns DELTA /R/ELONG/PHASE/M1 * changed units for RA/DEC from rad to deg + ...