Refinements on precession, Nutation , and Wobble of the Earth VИronique Dehant, Royal Observatory of Belgium ROB rigid Earth nutation Forced Nutations oceanic/atmospheric corrections Non-rigid Earth nutation model Earth response comparison with observation Earth interior model ROB Earth rotation changes due to the core ; core - mantle coupling coupling mechanisms: topographic ...

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...

Comment on J0513-2159 . Our image shows an extension to about 5 mas SE from the brightest feature. The EVN 8 GHz image by Dallacasa et al. (1998), with about five times larger resolution, shows an extension from the brightest feature roughly opposite to our direction. As noted by Dallacasa et al. (1998), the structure detected has a highly inverted spectrum, which, together with the reported variability in the source, could explain the structural disagreement. ...

Альтернативный форум . ... Александр Тимофеев (@) - 05.04.2005 14:38 . ... Квантование гравитационного заряда в Солнечной системе Александр Тимофеев, Numerologist, 02.04.2005 16:04 . Re: Квантование гравитационного заряда в Солнечной системе - НА РУССКОМ Александр Тимофеев, Empiricist, 04.04.2005 14:12 . ... Re: НА РУССКОМ Александр Тимофеев, 05.04.2005 14:18 . ... Re: Квантование гравитационного заряда в Солнечной системе - НА РУССКОМ Александр Тимофеев, 04.04.2005 20:14 . ...

... The engine operates with all three propellants (lox, kerosene, hydrogen) in the booster mode (mode 1) and transitions to bipropellant operation (lox, hydrogen) for the latter portion of the trajectory (mode 2). ... In mode 1 operation the hydrogen enhances the combustion of the kerosene to provide to tripropellant specific impulse levels higher than obtainable with separate combustion of the fuels. ... mode 1) . ... DASA, Munchen, February 1994, приведены следующие параметры двигателя РД-701 : . ...

Molecular Engineering in Quantum Electronics, Lantanide Spectrtoscopy, Powedered Lasers . ... Doctor of Physics (1977, IRE RAS). Professor of Physics (1991, IRE RAS). Head of Research Group (IRE RAS). One of the authors of the monographs: Quantum Standards of Frequency (1968), Spectra of Europium Compounds (1974), Molecular Crystals in Nonlinear Optics. ... Ph.D., physics and mathematics (1984, IRE RAS). Senior research worker (IRE RAS). ... Ph.D. in Physics (1989, IRE RAS). ...

Stochastic Models of Hot Planetary and Satellite Coronas . ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. Nonequilibrium Processes in the Planetary and Cometary Atmospheres: Theory and Applications , Dordrecht : Kluwer Academic, 1997. ... Res. ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. A Kinetic Model of the Formation of the Hot Oxygen Geocorona . ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. A kinetic model of the formation of the hot oxygen geocorona . ...

... SphericalTexturedPolygon (const QVector< QVector< TextureVertex > > &contours) . ... SphericalTexturedPolygon (const QVector< TextureVertex > &contour) . Constructor from one contour. virtual StelVertexArray љ . ... setContours (const QVector< QVector< TextureVertex > > &contours) . ... setContour (const QVector< TextureVertex > &contour) . ... const QVector< QVector< TextureVertex > > &љ . ... Constructor from one contour. virtual StelVertexArray SphericalTexturedPolygon::getFillVertexArray . ...

... Satellite data ] . ... Data organization and access. ... The following data types are used for storage of information relevant to the project: . ... All data available within the Pavodok-96 project are copyright ї Space Monitoring Information Support laboratory (SMIS IKI RAN). Neither the data themselves nor any materials obtained with the use of these data can be used for commercial purposes and/or by any mass-media or public information system without prior writting permission from SMIS IKI RAN. ...

... Streaming Motions of Molecular Clouds, Ionized Hydrogen, and OB Stars in the Cygnus Arm T. G. Sitnik, A. M. Mel'nik, and V. V. Pravdikova Sternberg Astronomical Institute, Universitetskioe pr. 13, Moscow, 119899 Russia Received November 26, 1999 Abstract--The radial velocity fields of molecular clouds, OB stars, and ionized hydrogen in the Cygnus arm (l ~ 72°­85°) are analyzed. ... Like the molecular clouds, stars of the Cygnus arm form two kinematic groups with similar azimuthal velocities. ...

Красная планета и огненное Солнце . КОСМИЧЕСКАЯ ГАЛЛЕРЕЯ: МАРС и СОЛНЦЕ . Исследование Солнечной Системы - Космическая Галерея . ... На главную . Исследование Солнечной Системы - Любительские наблюдения Солнце . ... Любительские наблюдения Солнце . ... Телескоп с hydrogen-alpha фильтром, астроном любитель . ... 2005 - , Проект "Исследование Солнечной системы" . ...

... The spectrum of the brightest star, our Sun, shows several dark gaps perpendicular to the flow of it’s colours (figure 1). These so called spectral absorption lines where discovered in 1802 by the English scientist William Wollaston. ... Some stars as Pollux show a spectrum similar to that of our sun with strong Ca II and Fe II lines, others as Sirius or Vega show strong absorption lines of hydrogen, others, as Mira show very complicated spectra due to molecular absorption lines (see figure 5). ...

... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ­ 15.000 GHz; uplink synchronization ­ 7.2075 GHz; downlink synchronization ­ 8.400 GHz. ...

... Date : 9/02/2016 . ... Vixen Porta altazimuthale . ... Prix Г dГїbattreВ : 600 в'ѓ . F = 555 mm . ... Mise au point Crayford rotatif 360Вњ, vitesses 1 et 10 . Queue dв?Taronde type Vixen . Longueur pare-buГїe rГїtractГї : 375 mm . ... Oculaire Vixen 31,75 mm LV 9 mm . ... Prix : в'ѓ600 . ... 20-22 citГї Moynet / 75012 / Paris . 0143737111 ...

... EXPERIMENTS AND RESEARCHES . SCIENCE RESEARCH ON ISS RUSSIAN SEGMENT . ... DSM Delta Project . LSO-H EXPERIMENT . Experiment LSO-H is a part of the scientific research program to be conducted by ESA astronaut of the Dutch nationality Andre Kuipers onboard the ISS RS in the frame of DSM Delta Project, and is an extension of experiments LSO-S ( SSM Cervantes Project) and LSO-B ( Odissea Project). ... Microcameras unit on a rotary bracket . ... Cable set . ... Experiment control unit EGE 1 . ...

Contacting the Roundup . To submit story ideas or inform the Roundup of a change of address, please e-mail . jsc-roundup@mail.nasa.gov . The mailing address is: . NASA/JSC . Editor, Space Center Roundup AP151 . 2101 NASA Rd. ... Distribution . The distribution department in Building 227 maintains the Roundup distribution lists. ... Retirees must call (281) 244-6397 or e-mail jsc-roundup@mail.nasa.gov for address changes or to be added to the list. ... Contact the Roundup . ...

Here you see forward and right walls of the middeck. Now look to the aft end of the Shuttle. You see a big white construction with a hatch in it. It's an airlock. Let's go there . Now you are in the airlock. The next hatch leads to the tunnel extension . and further - to the Orbiter Docking System (ODS) .

... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...

The Database of Close Binary Systems . ... Team . ... This web-based interactive database is being developed and maintained by a team at the Sternberg Astronomical Institute of the Moscow State University . The project is an on-line extension of our catalogue on "Highly Evolved Close Binary Stars" (volumes I, II) published by Gordon and Breach in 1996. As of November 2009, the database (both the software and the content) is in its development/testing phase. Sternberg Astronomical Institute ...

Astronomy Discussion Forums . ... ONE MORE STATE CHARACTERISTIC OF THE MATTER . ... Post Message | ... 1)So, my conclussion is that the Gravitation mostly is the pressure by the bodies larger by size on the bodies relativly smaller by size, , at expense of bigger extension of the bigger by size bodies in the space. ... arkadiv@012.net.il . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...