... Credit Copyright: Igor Vin'yaminov Explanation: The dark, inner shadow of planet Earth is called the umbra . ... Still, this thoughtful composite illustrates the full extent of the circular shadow by utilizing images from both partial and total eclipses passing through different parts of the umbra. ... In the rightside bottom image, the Moon is entering the umbra for the total eclipse of September 1997. ... Publications with keywords: lunar eclipse - shadow - Moon . ... Micro Moon over Super Moon . ...

A full explanation of the motion of trapped particles would be too abstract and mathematical for this level, but some basic ideas may be described on an intuitive level. The magnetic force on a moving particle is always perpendicular to the motion, as well as to the magnetic field lines. That is why the basic pattern is motion in a circle, around a magnetic field line. ... The best-known periodic motion is the back-and-forth swing of a pendulum, say of a weight suspended by a string (drawing). ...

Contents. planet: 5 - Jupiter satellites: J10 - Lysithea : 3 J12 - Ananke : 3 J13 - Leda : 7 total number: 13 type: absolute dates: 1951,1975,1976 observatory: 672 - Mount Wilson 675 - Palomar Mountain 691 - Steward Observatory, Kitt Peak-Spacewatch 693 - Catalina Station, Tucson Reference. IAU Circular No. 1333, 1951 Nov 6 1951IAUC_1333____2H IAU Circular No. 2820, 1975 August 19 1975IAUC_2820____2R IAU Circular No. 2863, 1975 November 10 1975IAUC_2863____2R IAU Circular No. ...

Instrument . ... Scanning TV-sensor with on-board data recording system for global coverage mode . ... recording, direct transmission . ... IR-radiometer for global coverage and direct data transmission modes . ... The scientific instrument package onboard the Meteor-3 spacecraft provides for regular instant acquisition of images of cloudiness and Earth surface in visible and infra-red bands, data on air temperature and humidity, sea surface temperature and clouds temperature. ...

... Additional Credits to: Paul Davidson, for Hellmaker David Spencer, for the graphics catalog Clint Sago, for his excellent website Dave Kramer ... MacDoom Review id, for the best game ever ============================================================ *Play Information* Game: Doom2 Level #: 01 Single Player : yes Cooperative 2-4 Player : no Deathmatch 2-4 Player : no Difficulty Settings: not implemented New Sounds: no New Graphics: no ...

Follow-up observations with the University of Washington 0.76 m telescope at Manastash Ridge Observatory (MRO) of the Sloan Digital Sky Survey (SDSS) cataclysmic variable (CV) SDSS J170053+400358 are presented. ... They estimate that the dimming amounted to about 0.028 mag (using two comparison stars that were each about 4 mag fainter than HD 209458). only UW affiliated authors have been listed, student researchers are marked with an ``*'' . ... XTE J1859+226" UW affiliated authors: *Kevin Krisciunas. ...

The most recent leap second was added on 2012 June 30: The protocol files in this version have been updated to UTC1-TAI = -35. The following IAU Circular describes prior leap seconds. As announced by the IAU Central Bureau for Astronomical Telegrams in Circular No. 9004 on 11 December 2008, Bulletin C36 of the International Earth Rotation and Reference Systems Service announced that a positive leap second will be added on 1 January 2009. ...

RADIOASTROPHYSICAL DEPARTMENT  INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... Radioastrophysical Department , Institute of Solar-Terrestrial Physics, Siberian Division, Russian Academy of Science. ... Head of Laboratory dr. Gubin A.V. LABORATORY of INFORMATION SUPPLY and METHODOLOGY of RESEARCH . ... Head of Observatory Kitsanov S.V. SIBERIAN SOLAR RADIO TELESCOPE . Siberian solar radio telescope data at 5.7 GHz in I SOHO EIT 171 SOHO EIT 195 SOHO EIT 304 MDI Continuum MDI Magnetogram . ...

Triaxial Earth's rota.on: Chandler wobble, free core nuta.on and diurnal polar mo.on Rong Sun1, WenBin Shen1,2 1Key Laboratory of Geospace Environment and Geodesy, School of Geodesy and Geoma?cs, Wuhan University, Wuhan, China; 2 State Key Laboratory of Informa?on Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China Correspondence: WenBin Shen (wbshen@sgg.whu.edu.cn) 1 Introduc.on For a biaxial elas?c Earth, the free mo?ons CW and FCN are circular mo?ons. ...

Astronomy Picture of the Day Archive . AstroNet AstroNet: for authors Astronet: APoD. ... Astronomy Picture of the Day Archive at NASA . ... Astronomical News . ... Hot Space News at Jordanian Astronomical Society . ... Latest Hubble Space Telescope Observations . ... Science @ NASA: news . ... Scientific.ru . Popular news on www.scientific.ru . ... News Services: find out the latest news in astronomy and the other sciences. ... The latest space news from the Jet Propulsion Laboratory . ...

Space Radio Telescope . The space radio telescope antenna consists of a deployable parabolic reflector (10-m diameter) which is made of 27 carbon fiber petals and central solid portion (3 m in diameter). The radio telescope has focus to diameter ratio F/D=0.43 and overall RMS surface accuracy 0.7 mm. ... A concentric feed arrangement at prime focus will provide the possibility of observing at two frequencies or two circular polarizations simultaneously. ... Observing frequency (MHz) . ...

... It would be the ultimate backpacking trip: an exploration of Saturn's rings. ... The partly hidden Sun glinting off the field of ring chunks, the gentle gravitational symphony of collective motion that carries both chunks and explorers safely around the planet, the feeling of being surrounded yet freely floating -- all disguise the fact that everything is whirling around Saturn at tens of thousands of kilometers per hour. ... Dark side of the ringed planet. ... The rings are enormous. ...

... GCN 8471 | ... TITLE: GCN CIRCULAR NUMBER: 8516 SUBJECT: GRB 081102: MASTER refind and final results DATE: 08/11/11 15:50:10 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.Parkhomenko Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalognikh Ural State GCN Circ 8470, Lipunov et al., ...

International School "Frontiers in Numerical Gravitational Astrophysics" . Erice ( Italy ), june 27-july 5, 2008 . ... you and/or your students may be interested in the Course "Frontiers in . Numerical Gravitational Astrophysics" that will be held in Erice (Italy) . ... Univ. of Roma, La Sapienza , Italy . ... Univ. of Texas, Austin, USA . ... FRONTIERS IN NUMERICAL GRAVITATIONAL ASTROPHYSICS| . 2nd Course of the International School on | ... Joshua Barnes (Univ. of Hawaii, USA) . ...

The 25th International Symposium on Space Terahertz Technology , 27 ­ 30 April 2014, Moscow, Russia Capillary quasioptical highpass filter Valerian S. Edelman , Mikhail A. Tarasov and Artem M. Chekushkin . ... Matrix of capillaries can operate as a high pass filter at millimeter and submillimeter waves without additional adapters. ... For inner diameter of capillary of 0.7 mm and length of 3 mm the attenuation of such filter was over 40 dB at frequencies below 200 GHz. ...

Новости на 11 февраля. ... Звезда была обнаружена как объект 10.5 величины на двух последовательных снимках, полученных им 4.86 февраля, с помощью 300мм объектива (f/2.8) на пленке Фуджи G400. 6.81 февраля Yoshio and Reiki Kushida получили точные координаты объекта с помощью 0.40-m f/6.0 рефлектора Ньютона и ПЗС-камеры (блеск звезды 10.4m). Координаты Новой: . ... Я вам уже подробно рассказывал о том, в день святого Валентина (14 февраля) аппарат планируется перевести на околоастероидную орбиту. ...

The coordinates, diameters, altitudes and morphological features of all the craters of Mars exceeding 10 km in diameter, totaling 19 308, are compiled. ... The catalogue is intended for use by investigators of Mars, students, in comparative planetology and in the selection of craters for naming. ... 1 one terrace . 2 many terraces . ... 6 many hills and one ridge . 7 one hill and many ridges . ... 1 one crater . 2 many craters . ... Sample craters of different morphological categories . ...

... Satellite data ] . SMIS ] . ... the satellite tracking in the whole upper hemisphere using previously calculated satellite coordinates . tracking accuracy: 0,5 degree . ... power supply: single phase, 220 V, 50 Hz . power consumption: less than 800 Wt . weight: less than 250 kg . permissible ambient temperature: -50oC to +50o C . permissible wind speed: work - 22 m/s, limit - 40 m/s. Back to SMIS Home Page . ...