... Old World First Asteroid Radar Echo. ... It testifies that 4179 Toutatis is a double object like asteroid 4769 Castalia. ... Interference of Radar Echo from the Binary Asteroid 4179 Toutatis. ... An analysis of the 6-cm radar data revealed quasi-harmonic oscillation of the echo’s “central” Doppler frequency with a period of about 14 sec and a deviation of about (0.7*B) Hz, where B is the echo bandwidth, which for 4179 Toutatis was equal to 2.1 Hz and 1.9 Hz for 1992 Dec 8 and 9, respectively. ...

. F IGURE . 2. The distribution of globular clusters projected onto the XY [(a) and (c)] and YZ [(b) and (d)] planes for metal-rich clusters of the thick disk with [Fe/H] -1.0 [(a) and (b)] and metal-poor clusters of the halo [(c) and (d)]. The closed curves are upper envelopes drawn by eye. Clusters lying far from the central concentrations in the diagrams are outlined and their numbers indicated. discussion in the text | previous figure | next figure .

... Enjoy a bit of astronomy history this month as we welcome Dr. Daniel W.E. Green, Astronomer at the Harvard-Smithsonian Center for Astrophysics, Editor of International Comet Quarterly, and Director of The Central Bureau for Astronomical Telegrams (CBAT). ... CBAT also maintains a Recent Comet Magnitudes Page which serves as a link between the work of amateur astronomers and the professional astronomical community. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... 318, P L35-L38 (1997). Abstract . ... 318, P L39-L42 (1997). ... 318, P L43-L46 (1997). ... 318, P L47-L50 (1997). ... 318, P L51-L54 (1997). ... 318, P L55-L58 (1997). ... 318, P L59-L61 (1997). ... 318, P 331-336 (1997). ... 318, P 337-346 (1997). ... 318, P 347-360 (1997). ... 318, P 361-375 (1997). ... 318, P 376-382 (1997). ... 318, P 383-389 (1997). ... 318, P 390-404 (1997). ... 318, P 405-415 (1997). ... 318, P 416-428 (1997). ... 318, P 429-442 (1997). ... helpdesk@link.springer.de . ...

... During all period of our investigations Dr. N.Sumzina from the Institute of Applied Astronomy of RAS had prepared the Numbered Minor Planet positions from MPC Database for our processing with kind permission of the Director of Minor Planet Center Prof. Braian Marsden. ... Our extensive processing of the MPC data allows us to conclude that CCD observations of the Numbered and Unnumbered Minor Planets have the errors, sometimes very crude. ...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...

... 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. ...

Central Bodies Masses of Selected Globular Clusters N.A.Shakht, A.A.Kiselev, Yu.N.Gnedin and E.A.Grosheva. The Main Astronomical (Pulkovo) Observatory RAS 47 Tuc ­NGC 104 RA 00 24 .1 Dec -72° 04 .9 Size = 30.9 mvis + 4. 0 m D from = 12,1 kpc, h m Cen - NGC 5139 NGC 6397 (Ara) RA 17 h40.m7 Dec -53o 40'.4 Size = 31',0 mvis + 5,3m D from =2.3 kpc RA 13h 26m .8 Dec -47° 28 6 Size = 36.3 m vis +3. 7 m D from =15.8 ±1.1 kpc, 12109 years, Age: 10109 years, (13.4 ± 0.8)109 years. ...

... Printed in U.S.A. ( YOUNG STELLAR NUCLEI IN THE LENTICULAR GALAXIES. ... We пnd a rather young stellar nucleus, with a mean population age of 1.5 ^ 0.5 Gyr, which is more metal­rich than the bulge at RB 1 kpc by an order of magnitude. ... But the center of a galaxy is a special place ; the stellar nucleus may have a particular evolution that di+ers from the evolution of the whole galaxy. ... We have detected intermediate­age stellar popu­ lations in the centers of these galaxies. ...

Dynamic Shack-Hartmann System RAPID V. G. Orlov, V. V. Voitsekhovich Instituto de AstronomМa, UNAM, MИxico CONACYT project E9507-1020P UNAM PAPIIT IN104910 Telescopes OAN OAN- SPM 2.1m telescope 1.5m telescope 0.84m telescope 2.1m telescope OAN-Tonanzintla 1m telescope Astronomical site SPM Observing statistics 1982-2002 (Tapia+ 2007 ) Photometric nights : 64.1% Spectroscopic ... Rapid - Dynamic Shack-Hartmann All modern telescopes demand installation of adaptive system. ...

... Новости астрономии и космонавтики (Модераторы: Karen , recarrion , LeMay ) ? Открытие года (по публикациям astro-ph) . ... 23.12.2005 [14:59:33] ? ... Использую ТОЛЬКО свой список http://xray.sai.msu.ru/~polar/sci_rev/best.html . ... P.S. 14. astro-ph/0504959 . ... Вы можете указать мне публикацию в astro-ph в этом году, посвященную данному открытию? ... Цитата: Сергей Попов от 23.12.2005 [17:05:16] Вы можете указать мне публикацию в astro-ph в этом году, посвященную данному открытию? ...

... 2014 . ... MAGNETIC FIELDS IN SOLAR ACTIVE REGIONS V.G.Lozitsky Taras Shevchenko National University of Kyiv, Astronomical Observatory lozitsky@observ.univ.kiev.ua, lozitsky_v@ukr.net Magnetic field measurements in solar active regions carry out on a base of the Zeeman effect. ... TRACKING OF RADIO BURST SOURCES IN SOLAR CORONA BY HELIOGRAPHIC MEANS Koval A.A. 1, Stanislavsky A.A. 1,2, Konovalenko A.A. 1 Institute of Radio Astronomy of NAS of Ukraine 2 V.N. Karazin Kharkiv National University 1 .. ...

Ozone formation in the troposphere: Basic mechanisms and photooxidant air pollution. ... 3: System of stratospheric and tropospheric gas phase chemistry: chemistry: Radical chain reaction Initiation: Formation of reactive radicals by photochemical reactions CFCl3 h Cl. + .... < 230 nm Propagation, radical chain: Conversion of Conversion reactive radicals (e.g. stratoshperic ozone depletion): Cl. ... By sequences of radical reactions the same radicals are formed again, leading to a radical chain. ...

... Remote Sensing of Fire Intensity and Burn Severity in Forests of Central Siberia . ... Increasingly sophisticated and comprehensive estimates of burned areas and of active fire areas are being produced using satellite imagery. However, accurate regional estimates of fire intensity, ecosystem fire effects, and fire emissions to the atmosphere require development of accurate remote-sensing based methods for estimating the intensity of active fires and the severity of fire impacts. ...

documentstyle[12pt]{article} \begin{document} \centerline{\bf {STRUCTURE AND STAR FORMATION}} \centerline{\bf {IN CIRCUMNUCLEAR REGIONS OF SPIRAL GALAXIES}} \bigskip \bigskip \begin{abstract} Photometric and kinematic properties of inner regions of spiral galaxies are considered. It is shown that the fast rotation of nuclear gaseous disks makes them gravitationally stable or marginally unstable. ... Nuclear disks are usually distinguished by high angular velocity of gas. ...

... Статус - астронавт НАСА . ... Погиб 27 января 1967 года в результате ожогового шока от пожара, возникшего во время тренировки в кабине корабля Apollo-1 (SA-204) на стартовой площадке LC-34 на мысе Канаверал. ... Во время учебы в Университете был курсантом службы подготовки офицеров резерва ВМС (Navy Reserve Officers Training Corps - ROTC). ... На службе в ВМС США с 1957 года. ... Лейтенант ВМС (в 1963 году). ... В октябре 1963 года был зачислен в отряд астронавтов НАСА во время третьего набора . ...

Solar Physics (2006) 233: 89-106 DOI: 10.1007/s11207-006-2850-y C Springer 2006 ON THE POSSIBLE CONNECTION BETWEEN PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION A. G. KISLYAKOV and V. V. ZAITSEV Institute of Applied Physics, Nizhny Novgorod, Russia (e-mails: agkis@appl.sci-nnov.ru; za130 Dynamic spectra of low-frequency modulation of microwave emission from solar flares are obtained. ... PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION 93 Figure 2. ...

Клуб Скептиков] [Конференция] . ... Прохожий : re: Кое что о Венере.. ... Вероятно он Венеру с Ураном перепутал. ... Venus Earth . Sidereal rotation period (hrs) -5832.5 23.9345 . ... Любопытствующий Венера Прохожий re: Венера 13-Ноя (17:10) Любопытствующий re: Венера 14-Ноя (06:20) Alex re: Венера 14-Ноя (10:32) Любопытствующий re: Венера 14-Ноя (14:22) Артем re: Венера 15-Ноя (18:28) Любопытствующий re: Венера 16-Ноя (12:29) Артем re: Венера 16-Ноя (13:47) . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Апрель 1998 . ... This is only one of over 20 galaxy lenses now known. ... This, and other new results from the LASCO (Large Angle Spectrometric Coronagraph) instrument on board the European Space Agency/NASA spacecraft SOHO (Solar and Heliospheric Observatory), will be presented at the UK National Astronomy Meeting at the University of St Andrews by Dr Mark Lyons from the University of Birmingham. ...

... The solar regions . ... The description of the solar regions . ... The fine bipolar formation was noticed between the groups 10498 and 10499 since 8.11 to 12.11.03. ... The bipolar group crossed the Sun disc along the equator since 13.11 to 25.11.03. ... The fine bipolar formation was observed at the high latitudes of the Southern hemisphere since 16.11 to 24.11.03. ... The high latitude bipolar chain of fine sunspots crossed the Sun disc in the Southern hemisphere since 23.11 to 6.12.03. ...